Class: Google::Cloud::Notebooks::V1::Instance

Inherits:

Object

Object
Google::Cloud::Notebooks::V1::Instance

show all

Extended by:: Protobuf::MessageExts::ClassMethods

Includes:: Protobuf::MessageExts

Defined in:: proto_docs/google/cloud/notebooks/v1/instance.rb

Overview

The definition of a notebook instance.

Defined Under Namespace

Modules: AcceleratorType, DiskEncryption, DiskType, NicType, State Classes: AcceleratorConfig, Disk, LabelsEntry, MetadataEntry, ShieldedInstanceConfig, UpgradeHistoryEntry

Instance Attribute Summary collapse

#accelerator_config ⇒ ::Google::Cloud::Notebooks::V1::Instance::AcceleratorConfig
The hardware accelerator used on this instance.
#boot_disk_size_gb ⇒ ::Integer
Input only.
#boot_disk_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskType
Input only.
#can_ip_forward ⇒ ::Boolean
Optional.
#container_image ⇒ ::Google::Cloud::Notebooks::V1::ContainerImage
Use a container image to start the notebook instance.
#create_time ⇒ ::Google::Protobuf::Timestamp readonly
Output only.
#creator ⇒ ::String readonly
Output only.
#custom_gpu_driver_path ⇒ ::String
Specify a custom Cloud Storage path where the GPU driver is stored.
#data_disk_size_gb ⇒ ::Integer
Input only.
#data_disk_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskType
Input only.
#disk_encryption ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskEncryption
Input only.
#disks ⇒ ::Array<::Google::Cloud::Notebooks::V1::Instance::Disk> readonly
Output only.
#install_gpu_driver ⇒ ::Boolean
Whether the end user authorizes Google Cloud to install GPU driver on this instance.
#instance_owners ⇒ ::Array<::String>
Input only.
#kms_key ⇒ ::String
Input only.
#labels ⇒ ::Google::Protobuf::Map{::String => ::String}
Labels to apply to this instance.
#machine_type ⇒ ::String
Required.
#metadata ⇒ ::Google::Protobuf::Map{::String => ::String}
Custom metadata to apply to this instance.
#name ⇒ ::String readonly
Output only.
#network ⇒ ::String
The name of the VPC that this instance is in.
#nic_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::NicType
Optional.
#no_proxy_access ⇒ ::Boolean
If true, the notebook instance will not register with the proxy.
#no_public_ip ⇒ ::Boolean
If true, no public IP will be assigned to this instance.
#no_remove_data_disk ⇒ ::Boolean
Input only.
#post_startup_script ⇒ ::String
Path to a Bash script that automatically runs after a notebook instance fully boots up.
#proxy_uri ⇒ ::String readonly
Output only.
#reservation_affinity ⇒ ::Google::Cloud::Notebooks::V1::ReservationAffinity
Optional.
#service_account ⇒ ::String
The service account on this instance, giving access to other Google Cloud services.
#service_account_scopes ⇒ ::Array<::String>
Optional.
#shielded_instance_config ⇒ ::Google::Cloud::Notebooks::V1::Instance::ShieldedInstanceConfig
Optional.
#state ⇒ ::Google::Cloud::Notebooks::V1::Instance::State readonly
Output only.
#subnet ⇒ ::String
The name of the subnet that this instance is in.
#tags ⇒ ::Array<::String>
Optional.
#update_time ⇒ ::Google::Protobuf::Timestamp readonly
Output only.
#upgrade_history ⇒ ::Array<::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry>
The upgrade history of this instance.
#vm_image ⇒ ::Google::Cloud::Notebooks::V1::VmImage
Use a Compute Engine VM image to start the notebook instance.

Instance Attribute Details

#accelerator_config ⇒ `::Google::Cloud::Notebooks::V1::Instance::AcceleratorConfig`

Returns The hardware accelerator used on this instance. If you use accelerators, make sure that your configuration has enough vCPUs and memory to support the machine_type you have selected.

Returns:

(::Google::Cloud::Notebooks::V1::Instance::AcceleratorConfig) —
The hardware accelerator used on this instance. If you use accelerators, make sure that your configuration has enough vCPUs and memory to support the machine_type you have selected.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#boot_disk_size_gb ⇒ `::Integer`

Returns Input only. The size of the boot disk in GB attached to this instance, up to a maximum of 64000 GB (64 TB). The minimum recommended value is 100 GB. If not specified, this defaults to 100.

Returns:

(::Integer) —
Input only. The size of the boot disk in GB attached to this instance, up to a maximum of 64000 GB (64 TB). The minimum recommended value is 100 GB. If not specified, this defaults to 100.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#boot_disk_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskType`

Returns Input only. The type of the boot disk attached to this instance, defaults to standard persistent disk (PD_STANDARD).

Returns:

(::Google::Cloud::Notebooks::V1::Instance::DiskType) —
Input only. The type of the boot disk attached to this instance, defaults to standard persistent disk (PD_STANDARD).

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#can_ip_forward ⇒ `::Boolean`

Returns Optional. Flag to enable ip forwarding or not, default false/off. https://cloud.google.com/vpc/docs/using-routes#canipforward.

Returns:

(::Boolean) —
Optional. Flag to enable ip forwarding or not, default false/off. https://cloud.google.com/vpc/docs/using-routes#canipforward

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#container_image ⇒ `::Google::Cloud::Notebooks::V1::ContainerImage`

Returns Use a container image to start the notebook instance.

Returns:

(::Google::Cloud::Notebooks::V1::ContainerImage) —
Use a container image to start the notebook instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#create_time ⇒ `::Google::Protobuf::Timestamp` (readonly)

Returns Output only. Instance creation time.

Returns:

(::Google::Protobuf::Timestamp) —
Output only. Instance creation time.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#creator ⇒ `::String` (readonly)

Returns Output only. Email address of entity that sent original CreateInstance request.

Returns:

(::String) —
Output only. Email address of entity that sent original CreateInstance request.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#custom_gpu_driver_path ⇒ `::String`

Returns Specify a custom Cloud Storage path where the GPU driver is stored. If not specified, we'll automatically choose from official GPU drivers.

Returns:

(::String) —
Specify a custom Cloud Storage path where the GPU driver is stored. If not specified, we'll automatically choose from official GPU drivers.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#data_disk_size_gb ⇒ `::Integer`

Returns Input only. The size of the data disk in GB attached to this instance, up to a maximum of 64000 GB (64 TB). You can choose the size of the data disk based on how big your notebooks and data are. If not specified, this defaults to 100.

Returns:

(::Integer) —
Input only. The size of the data disk in GB attached to this instance, up to a maximum of 64000 GB (64 TB). You can choose the size of the data disk based on how big your notebooks and data are. If not specified, this defaults to 100.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#data_disk_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskType`

Returns Input only. The type of the data disk attached to this instance, defaults to standard persistent disk (PD_STANDARD).

Returns:

(::Google::Cloud::Notebooks::V1::Instance::DiskType) —
Input only. The type of the data disk attached to this instance, defaults to standard persistent disk (PD_STANDARD).

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#disk_encryption ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskEncryption`

Returns Input only. Disk encryption method used on the boot and data disks, defaults to GMEK.

Returns:

(::Google::Cloud::Notebooks::V1::Instance::DiskEncryption) —
Input only. Disk encryption method used on the boot and data disks, defaults to GMEK.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#disks ⇒ `::Array<::Google::Cloud::Notebooks::V1::Instance::Disk>` (readonly)

Returns Output only. Attached disks to notebook instance.

Returns:

(::Array<::Google::Cloud::Notebooks::V1::Instance::Disk>) —
Output only. Attached disks to notebook instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#install_gpu_driver ⇒ `::Boolean`

Returns Whether the end user authorizes Google Cloud to install GPU driver on this instance. If this field is empty or set to false, the GPU driver won't be installed. Only applicable to instances with GPUs.

Returns:

(::Boolean) —
Whether the end user authorizes Google Cloud to install GPU driver on this instance. If this field is empty or set to false, the GPU driver won't be installed. Only applicable to instances with GPUs.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#instance_owners ⇒ `::Array<::String>`

Returns Input only. The owner of this instance after creation. Format: alias@example.com

Currently supports one owner only. If not specified, all of the service account users of your VM instance's service account can use the instance.

Returns:

(::Array<::String>) —
Input only. The owner of this instance after creation. Format: alias@example.com

Currently supports one owner only. If not specified, all of the service account users of your VM instance's service account can use the instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#kms_key ⇒ `::String`

Returns Input only. The KMS key used to encrypt the disks, only applicable if disk_encryption is CMEK. Format: projects/{project_id}/locations/{location}/keyRings/{key_ring_id}/cryptoKeys/{key_id}

Learn more about using your own encryption keys.

Returns:

(::String) —
Input only. The KMS key used to encrypt the disks, only applicable if disk_encryption is CMEK. Format: projects/{project_id}/locations/{location}/keyRings/{key_ring_id}/cryptoKeys/{key_id}

Learn more about using your own encryption keys.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#labels ⇒ `::Google::Protobuf::Map{::String => ::String}`

Returns Labels to apply to this instance. These can be later modified by the setLabels method.

Returns:

(::Google::Protobuf::Map{::String => ::String}) —
Labels to apply to this instance. These can be later modified by the setLabels method.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#machine_type ⇒ `::String`

Returns Required. The Compute Engine machine type of this instance.

Returns:

(::String) —
Required. The Compute Engine machine type of this instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#metadata ⇒ `::Google::Protobuf::Map{::String => ::String}`

Returns Custom metadata to apply to this instance.

Returns:

(::Google::Protobuf::Map{::String => ::String}) —
Custom metadata to apply to this instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#name ⇒ `::String` (readonly)

Returns Output only. The name of this notebook instance. Format: projects/{project_id}/locations/{location}/instances/{instance_id}.

Returns:

(::String) —
Output only. The name of this notebook instance. Format: projects/{project_id}/locations/{location}/instances/{instance_id}

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#network ⇒ `::String`

Returns The name of the VPC that this instance is in. Format: projects/{project_id}/global/networks/{network_id}.

Returns:

(::String) —
The name of the VPC that this instance is in. Format: projects/{project_id}/global/networks/{network_id}

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#nic_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::NicType`

Returns Optional. The type of vNIC to be used on this interface. This may be gVNIC or VirtioNet.

Returns:

(::Google::Cloud::Notebooks::V1::Instance::NicType) —
Optional. The type of vNIC to be used on this interface. This may be gVNIC or VirtioNet.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#no_proxy_access ⇒ `::Boolean`

Returns If true, the notebook instance will not register with the proxy.

Returns:

(::Boolean) —
If true, the notebook instance will not register with the proxy.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#no_public_ip ⇒ `::Boolean`

Returns If true, no public IP will be assigned to this instance.

Returns:

(::Boolean) —
If true, no public IP will be assigned to this instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#no_remove_data_disk ⇒ `::Boolean`

Returns Input only. If true, the data disk will not be auto deleted when deleting the instance.

Returns:

(::Boolean) —
Input only. If true, the data disk will not be auto deleted when deleting the instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#post_startup_script ⇒ `::String`

Returns Path to a Bash script that automatically runs after a notebook instance fully boots up. The path must be a URL or Cloud Storage path (gs://path-to-file/file-name).

Returns:

(::String) —
Path to a Bash script that automatically runs after a notebook instance fully boots up. The path must be a URL or Cloud Storage path (gs://path-to-file/file-name).

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#proxy_uri ⇒ `::String` (readonly)

Returns Output only. The proxy endpoint that is used to access the Jupyter notebook.

Returns:

(::String) —
Output only. The proxy endpoint that is used to access the Jupyter notebook.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#reservation_affinity ⇒ `::Google::Cloud::Notebooks::V1::ReservationAffinity`

Returns Optional. The optional reservation affinity. Setting this field will apply the specified Zonal Compute Reservation to this notebook instance.

Returns:

(::Google::Cloud::Notebooks::V1::ReservationAffinity) —
Optional. The optional reservation affinity. Setting this field will apply the specified Zonal Compute Reservation to this notebook instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#service_account ⇒ `::String`

Returns The service account on this instance, giving access to other Google Cloud services. You can use any service account within the same project, but you must have the service account user permission to use the instance.

If not specified, the Compute Engine default service account is used.

Returns:

(::String) —
The service account on this instance, giving access to other Google Cloud services. You can use any service account within the same project, but you must have the service account user permission to use the instance.

If not specified, the Compute Engine default service account is used.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#service_account_scopes ⇒ `::Array<::String>`

Returns Optional. The URIs of service account scopes to be included in Compute Engine instances.

If not specified, the following scopes are defined:

https://www.googleapis.com/auth/cloud-platform
https://www.googleapis.com/auth/userinfo.email If not using default scopes, you need at least: https://www.googleapis.com/auth/compute.

Returns:

(::Array<::String>) —
Optional. The URIs of service account scopes to be included in Compute Engine instances.

If not specified, the following scopes are defined:
- https://www.googleapis.com/auth/cloud-platform
- https://www.googleapis.com/auth/userinfo.email If not using default scopes, you need at least: https://www.googleapis.com/auth/compute

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#shielded_instance_config ⇒ `::Google::Cloud::Notebooks::V1::Instance::ShieldedInstanceConfig`

Returns Optional. Shielded VM configuration. Images using supported Shielded VM features.

Returns:

(::Google::Cloud::Notebooks::V1::Instance::ShieldedInstanceConfig) —
Optional. Shielded VM configuration. Images using supported Shielded VM features.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#state ⇒ `::Google::Cloud::Notebooks::V1::Instance::State` (readonly)

Returns Output only. The state of this instance.

Returns:

(::Google::Cloud::Notebooks::V1::Instance::State) —
Output only. The state of this instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#subnet ⇒ `::String`

Returns The name of the subnet that this instance is in. Format: projects/{project_id}/regions/{region}/subnetworks/{subnetwork_id}.

Returns:

(::String) —
The name of the subnet that this instance is in. Format: projects/{project_id}/regions/{region}/subnetworks/{subnetwork_id}

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#tags ⇒ `::Array<::String>`

Returns Optional. The Compute Engine tags to add to runtime (see Tagging instances).

Returns:

(::Array<::String>) —
Optional. The Compute Engine tags to add to runtime (see Tagging instances).

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#update_time ⇒ `::Google::Protobuf::Timestamp` (readonly)

Returns Output only. Instance update time.

Returns:

(::Google::Protobuf::Timestamp) —
Output only. Instance update time.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#upgrade_history ⇒ `::Array<::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry>`

Returns The upgrade history of this instance.

Returns:

(::Array<::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry>) —
The upgrade history of this instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

#vm_image ⇒ `::Google::Cloud::Notebooks::V1::VmImage`

Returns Use a Compute Engine VM image to start the notebook instance.

Returns:

(::Google::Cloud::Notebooks::V1::VmImage) —
Use a Compute Engine VM image to start the notebook instance.

# File 'proto_docs/google/cloud/notebooks/v1/instance.rb', line 220

class Instance
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Definition of a hardware accelerator. Note that not all combinations
  # of `type` and `core_count` are valid. Check [GPUs on Compute
  # Engine](https://cloud.google.com/compute/docs/gpus/#gpus-list) to find a
  # valid combination. TPUs are not supported.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::Notebooks::V1::Instance::AcceleratorType]
  #     Type of this accelerator.
  # @!attribute [rw] core_count
  #   @return [::Integer]
  #     Count of cores of this accelerator.
  class AcceleratorConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # An instance-attached disk resource.
  # @!attribute [rw] auto_delete
  #   @return [::Boolean]
  #     Indicates whether the disk will be auto-deleted when the instance is
  #     deleted (but not when the disk is detached from the instance).
  # @!attribute [rw] boot
  #   @return [::Boolean]
  #     Indicates that this is a boot disk. The virtual machine will use the
  #     first partition of the disk for its root filesystem.
  # @!attribute [rw] device_name
  #   @return [::String]
  #     Indicates a unique device name of your choice that is reflected into the
  #     `/dev/disk/by-id/google-*` tree of a Linux operating system running
  #     within the instance. This name can be used to reference the device for
  #     mounting, resizing, and so on, from within the instance.
  #
  #     If not specified, the server chooses a default device name to apply to
  #     this disk, in the form persistent-disk-x, where x is a number assigned by
  #     Google Compute Engine.This field is only applicable for persistent disks.
  # @!attribute [rw] disk_size_gb
  #   @return [::Integer]
  #     Indicates the size of the disk in base-2 GB.
  # @!attribute [rw] guest_os_features
  #   @return [::Array<::Google::Cloud::Notebooks::V1::Instance::Disk::GuestOsFeature>]
  #     Indicates a list of features to enable on the guest operating system.
  #     Applicable only for bootable images. Read  Enabling guest operating
  #     system features to see a list of available options.
  # @!attribute [rw] index
  #   @return [::Integer]
  #     A zero-based index to this disk, where 0 is reserved for the
  #     boot disk. If you have many disks attached to an instance, each disk
  #     would have a unique index number.
  # @!attribute [rw] interface
  #   @return [::String]
  #     Indicates the disk interface to use for attaching this disk, which is
  #     either SCSI or NVME. The default is SCSI. Persistent disks must always
  #     use SCSI and the request will fail if you attempt to attach a persistent
  #     disk in any other format than SCSI. Local SSDs can use either NVME or
  #     SCSI. For performance characteristics of SCSI over NVMe, see Local SSD
  #     performance.
  #     Valid values:
  #
  #     * `NVME`
  #     * `SCSI`
  # @!attribute [rw] kind
  #   @return [::String]
  #     Type of the resource. Always compute#attachedDisk for attached
  #     disks.
  # @!attribute [rw] licenses
  #   @return [::Array<::String>]
  #     A list of publicly visible licenses. Reserved for Google's use.
  #     A License represents billing and aggregate usage data for public
  #     and marketplace images.
  # @!attribute [rw] mode
  #   @return [::String]
  #     The mode in which to attach this disk, either `READ_WRITE` or
  #     `READ_ONLY`. If not specified, the default is to attach the disk in
  #     `READ_WRITE` mode. Valid values:
  #
  #     * `READ_ONLY`
  #     * `READ_WRITE`
  # @!attribute [rw] source
  #   @return [::String]
  #     Indicates a valid partial or full URL to an existing Persistent Disk
  #     resource.
  # @!attribute [rw] type
  #   @return [::String]
  #     Indicates the type of the disk, either `SCRATCH` or `PERSISTENT`.
  #     Valid values:
  #
  #     * `PERSISTENT`
  #     * `SCRATCH`
  class Disk
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Guest OS features for boot disk.
    # @!attribute [rw] type
    #   @return [::String]
    #     The ID of a supported feature. Read  Enabling guest operating system
    #     features to see a list of available options.
    #     Valid values:
    #
    #     * `FEATURE_TYPE_UNSPECIFIED`
    #     * `MULTI_IP_SUBNET`
    #     * `SECURE_BOOT`
    #     * `UEFI_COMPATIBLE`
    #     * `VIRTIO_SCSI_MULTIQUEUE`
    #     * `WINDOWS`
    class GuestOsFeature
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A set of Shielded Instance options.
  # Check [Images using supported Shielded VM
  # features](https://cloud.google.com/compute/docs/instances/modifying-shielded-vm).
  # Not all combinations are valid.
  # @!attribute [rw] enable_secure_boot
  #   @return [::Boolean]
  #     Defines whether the instance has Secure Boot enabled.
  #
  #     Secure Boot helps ensure that the system only runs authentic software by
  #     verifying the digital signature of all boot components, and halting the
  #     boot process if signature verification fails. Disabled by default.
  # @!attribute [rw] enable_vtpm
  #   @return [::Boolean]
  #     Defines whether the instance has the vTPM enabled. Enabled by default.
  # @!attribute [rw] enable_integrity_monitoring
  #   @return [::Boolean]
  #     Defines whether the instance has integrity monitoring enabled.
  #
  #     Enables monitoring and attestation of the boot integrity of the instance.
  #     The attestation is performed against the integrity policy baseline. This
  #     baseline is initially derived from the implicitly trusted boot image when
  #     the instance is created. Enabled by default.
  class ShieldedInstanceConfig
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The entry of VM image upgrade history.
  # @!attribute [rw] snapshot
  #   @return [::String]
  #     The snapshot of the boot disk of this notebook instance before upgrade.
  # @!attribute [rw] vm_image
  #   @return [::String]
  #     The VM image before this instance upgrade.
  # @!attribute [rw] container_image
  #   @return [::String]
  #     The container image before this instance upgrade.
  # @!attribute [rw] framework
  #   @return [::String]
  #     The framework of this notebook instance.
  # @!attribute [rw] version
  #   @return [::String]
  #     The version of the notebook instance before this upgrade.
  # @!attribute [rw] state
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::State]
  #     The state of this instance upgrade history entry.
  # @!attribute [rw] create_time
  #   @return [::Google::Protobuf::Timestamp]
  #     The time that this instance upgrade history entry is created.
  # @!attribute [rw] target_image
  #   @deprecated This field is deprecated and may be removed in the next major version update.
  #   @return [::String]
  #     Target VM Image. Format: `ainotebooks-vm/project/image-name/name`.
  # @!attribute [rw] action
  #   @return [::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry::Action]
  #     Action. Rolloback or Upgrade.
  # @!attribute [rw] target_version
  #   @return [::String]
  #     Target VM Version, like m63.
  class UpgradeHistoryEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The definition of the states of this upgrade history entry.
    module State
      # State is not specified.
      STATE_UNSPECIFIED = 0

      # The instance upgrade is started.
      STARTED = 1

      # The instance upgrade is succeeded.
      SUCCEEDED = 2

      # The instance upgrade is failed.
      FAILED = 3
    end

    # The definition of operations of this upgrade history entry.
    module Action
      # Operation is not specified.
      ACTION_UNSPECIFIED = 0

      # Upgrade.
      UPGRADE = 1

      # Rollback.
      ROLLBACK = 2
    end
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class LabelsEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # @!attribute [rw] key
  #   @return [::String]
  # @!attribute [rw] value
  #   @return [::String]
  class MetadataEntry
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Definition of the types of hardware accelerators that can be used on this
  # instance.
  module AcceleratorType
    # Accelerator type is not specified.
    ACCELERATOR_TYPE_UNSPECIFIED = 0

    # Accelerator type is Nvidia Tesla K80.
    NVIDIA_TESLA_K80 = 1

    # Accelerator type is Nvidia Tesla P100.
    NVIDIA_TESLA_P100 = 2

    # Accelerator type is Nvidia Tesla V100.
    NVIDIA_TESLA_V100 = 3

    # Accelerator type is Nvidia Tesla P4.
    NVIDIA_TESLA_P4 = 4

    # Accelerator type is Nvidia Tesla T4.
    NVIDIA_TESLA_T4 = 5

    # Accelerator type is Nvidia Tesla A100.
    NVIDIA_TESLA_A100 = 11

    # Accelerator type is NVIDIA Tesla T4 Virtual Workstations.
    NVIDIA_TESLA_T4_VWS = 8

    # Accelerator type is NVIDIA Tesla P100 Virtual Workstations.
    NVIDIA_TESLA_P100_VWS = 9

    # Accelerator type is NVIDIA Tesla P4 Virtual Workstations.
    NVIDIA_TESLA_P4_VWS = 10

    # (Coming soon) Accelerator type is TPU V2.
    TPU_V2 = 6

    # (Coming soon) Accelerator type is TPU V3.
    TPU_V3 = 7
  end

  # The definition of the states of this instance.
  module State
    # State is not specified.
    STATE_UNSPECIFIED = 0

    # The control logic is starting the instance.
    STARTING = 1

    # The control logic is installing required frameworks and registering the
    # instance with notebook proxy
    PROVISIONING = 2

    # The instance is running.
    ACTIVE = 3

    # The control logic is stopping the instance.
    STOPPING = 4

    # The instance is stopped.
    STOPPED = 5

    # The instance is deleted.
    DELETED = 6

    # The instance is upgrading.
    UPGRADING = 7

    # The instance is being created.
    INITIALIZING = 8

    # The instance is getting registered.
    REGISTERING = 9

    # The instance is suspending.
    SUSPENDING = 10

    # The instance is suspended.
    SUSPENDED = 11
  end

  # Possible disk types for notebook instances.
  module DiskType
    # Disk type not set.
    DISK_TYPE_UNSPECIFIED = 0

    # Standard persistent disk type.
    PD_STANDARD = 1

    # SSD persistent disk type.
    PD_SSD = 2

    # Balanced persistent disk type.
    PD_BALANCED = 3

    # Extreme persistent disk type.
    PD_EXTREME = 4
  end

  # Definition of the disk encryption options.
  module DiskEncryption
    # Disk encryption is not specified.
    DISK_ENCRYPTION_UNSPECIFIED = 0

    # Use Google managed encryption keys to encrypt the boot disk.
    GMEK = 1

    # Use customer managed encryption keys to encrypt the boot disk.
    CMEK = 2
  end

  # The type of vNIC driver.
  # Default should be UNSPECIFIED_NIC_TYPE.
  module NicType
    # No type specified.
    UNSPECIFIED_NIC_TYPE = 0

    # VIRTIO
    VIRTIO_NET = 1

    # GVNIC
    GVNIC = 2
  end
end

Class: Google::Cloud::Notebooks::V1::Instance

Overview

Defined Under Namespace

Instance Attribute Summary collapse

Instance Attribute Details

#accelerator_config ⇒ ::Google::Cloud::Notebooks::V1::Instance::AcceleratorConfig

#boot_disk_size_gb ⇒ ::Integer

#boot_disk_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskType

#can_ip_forward ⇒ ::Boolean

#container_image ⇒ ::Google::Cloud::Notebooks::V1::ContainerImage

#create_time ⇒ ::Google::Protobuf::Timestamp (readonly)

#creator ⇒ ::String (readonly)

#custom_gpu_driver_path ⇒ ::String

#data_disk_size_gb ⇒ ::Integer

#data_disk_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskType

#disk_encryption ⇒ ::Google::Cloud::Notebooks::V1::Instance::DiskEncryption

#disks ⇒ ::Array<::Google::Cloud::Notebooks::V1::Instance::Disk> (readonly)

#install_gpu_driver ⇒ ::Boolean

#instance_owners ⇒ ::Array<::String>

#kms_key ⇒ ::String

#labels ⇒ ::Google::Protobuf::Map{::String => ::String}

#machine_type ⇒ ::String

#metadata ⇒ ::Google::Protobuf::Map{::String => ::String}

#name ⇒ ::String (readonly)

#network ⇒ ::String

#nic_type ⇒ ::Google::Cloud::Notebooks::V1::Instance::NicType

#no_proxy_access ⇒ ::Boolean

#no_public_ip ⇒ ::Boolean

#no_remove_data_disk ⇒ ::Boolean

#post_startup_script ⇒ ::String

#proxy_uri ⇒ ::String (readonly)

#reservation_affinity ⇒ ::Google::Cloud::Notebooks::V1::ReservationAffinity

#service_account ⇒ ::String

#service_account_scopes ⇒ ::Array<::String>

#shielded_instance_config ⇒ ::Google::Cloud::Notebooks::V1::Instance::ShieldedInstanceConfig

#state ⇒ ::Google::Cloud::Notebooks::V1::Instance::State (readonly)

#subnet ⇒ ::String

#tags ⇒ ::Array<::String>

#update_time ⇒ ::Google::Protobuf::Timestamp (readonly)

#upgrade_history ⇒ ::Array<::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry>

#vm_image ⇒ ::Google::Cloud::Notebooks::V1::VmImage

#accelerator_config ⇒ `::Google::Cloud::Notebooks::V1::Instance::AcceleratorConfig`

#boot_disk_size_gb ⇒ `::Integer`

#boot_disk_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskType`

#can_ip_forward ⇒ `::Boolean`

#container_image ⇒ `::Google::Cloud::Notebooks::V1::ContainerImage`

#create_time ⇒ `::Google::Protobuf::Timestamp` (readonly)

#creator ⇒ `::String` (readonly)

#custom_gpu_driver_path ⇒ `::String`

#data_disk_size_gb ⇒ `::Integer`

#data_disk_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskType`

#disk_encryption ⇒ `::Google::Cloud::Notebooks::V1::Instance::DiskEncryption`

#disks ⇒ `::Array<::Google::Cloud::Notebooks::V1::Instance::Disk>` (readonly)

#install_gpu_driver ⇒ `::Boolean`

#instance_owners ⇒ `::Array<::String>`

#kms_key ⇒ `::String`

#labels ⇒ `::Google::Protobuf::Map{::String => ::String}`

#machine_type ⇒ `::String`

#metadata ⇒ `::Google::Protobuf::Map{::String => ::String}`

#name ⇒ `::String` (readonly)

#network ⇒ `::String`

#nic_type ⇒ `::Google::Cloud::Notebooks::V1::Instance::NicType`

#no_proxy_access ⇒ `::Boolean`

#no_public_ip ⇒ `::Boolean`

#no_remove_data_disk ⇒ `::Boolean`

#post_startup_script ⇒ `::String`

#proxy_uri ⇒ `::String` (readonly)

#reservation_affinity ⇒ `::Google::Cloud::Notebooks::V1::ReservationAffinity`

#service_account ⇒ `::String`

#service_account_scopes ⇒ `::Array<::String>`

#shielded_instance_config ⇒ `::Google::Cloud::Notebooks::V1::Instance::ShieldedInstanceConfig`

#state ⇒ `::Google::Cloud::Notebooks::V1::Instance::State` (readonly)

#subnet ⇒ `::String`

#tags ⇒ `::Array<::String>`

#update_time ⇒ `::Google::Protobuf::Timestamp` (readonly)

#upgrade_history ⇒ `::Array<::Google::Cloud::Notebooks::V1::Instance::UpgradeHistoryEntry>`

#vm_image ⇒ `::Google::Cloud::Notebooks::V1::VmImage`