Class: Google::Apis::ComputeAlpha::BackendService
- Inherits:
-
Object
- Object
- Google::Apis::ComputeAlpha::BackendService
- Includes:
- Google::Apis::Core::Hashable, Google::Apis::Core::JsonObjectSupport
- Defined in:
- lib/google/apis/compute_alpha/classes.rb,
lib/google/apis/compute_alpha/representations.rb,
lib/google/apis/compute_alpha/representations.rb
Overview
Represents a Backend Service resource. A backend service defines how Google Cloud load balancers distribute traffic. The backend service configuration contains a set of values, such as the protocol used to connect to backends, various distribution and session settings, health checks, and timeouts. These settings provide fine-grained control over how your load balancer behaves. Most of the settings have default values that allow for easy configuration if you need to get started quickly. Backend services in Google Compute Engine can be either regionally or globally scoped.
Instance Attribute Summary collapse
-
#affinity_cookie_ttl_sec ⇒ Fixnum
Lifetime of cookies in seconds.
-
#backends ⇒ Array<Google::Apis::ComputeAlpha::Backend>
The list of backends that serve this BackendService.
-
#cdn_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceCdnPolicy
Message containing Cloud CDN configuration for a backend service.
-
#circuit_breakers ⇒ Google::Apis::ComputeAlpha::CircuitBreakers
Settings controlling the volume of connections to a backend service.
-
#connection_draining ⇒ Google::Apis::ComputeAlpha::ConnectionDraining
Message containing connection draining configuration.
-
#connection_tracking_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceConnectionTrackingPolicy
Connection Tracking configuration for this BackendService.
-
#consistent_hash ⇒ Google::Apis::ComputeAlpha::ConsistentHashLoadBalancerSettings
This message defines settings for a consistent hash style load balancer.
-
#creation_timestamp ⇒ String
[Output Only] Creation timestamp in RFC3339 text format.
-
#custom_request_headers ⇒ Array<String>
Headers that the HTTP/S load balancer should add to proxied requests.
-
#custom_response_headers ⇒ Array<String>
Headers that the HTTP/S load balancer should add to proxied responses.
-
#description ⇒ String
An optional description of this resource.
-
#edge_security_policy ⇒ String
[Output Only] The resource URL for the edge security policy associated with this backend service.
-
#enable_cdn ⇒ Boolean
(also: #enable_cdn?)
If true, enables Cloud CDN for the backend service.
-
#failover_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceFailoverPolicy
Applicable only to Failover for Internal TCP/UDP Load Balancing and Network Load Balancing.
-
#fingerprint ⇒ String
Fingerprint of this resource.
-
#health_checks ⇒ Array<String>
The list of URLs to the healthChecks, httpHealthChecks (legacy), or httpsHealthChecks (legacy) resource for health checking this backend service.
-
#iap ⇒ Google::Apis::ComputeAlpha::BackendServiceIap
Identity-Aware Proxy Corresponds to the JSON property
iap
. -
#id ⇒ Fixnum
[Output Only] The unique identifier for the resource.
-
#kind ⇒ String
[Output Only] Type of resource.
-
#load_balancing_scheme ⇒ String
Specifies the load balancer type.
-
#locality_lb_policy ⇒ String
The load balancing algorithm used within the scope of the locality.
-
#log_config ⇒ Google::Apis::ComputeAlpha::BackendServiceLogConfig
The available logging options for the load balancer traffic served by this backend service.
-
#max_stream_duration ⇒ Google::Apis::ComputeAlpha::Duration
A Duration represents a fixed-length span of time represented as a count of seconds and fractions of seconds at nanosecond resolution.
-
#name ⇒ String
Name of the resource.
-
#network ⇒ String
The URL of the network to which this backend service belongs.
-
#outlier_detection ⇒ Google::Apis::ComputeAlpha::OutlierDetection
Settings controlling the eviction of unhealthy hosts from the load balancing pool for the backend service.
-
#port ⇒ Fixnum
Deprecated in favor of portName.
-
#port_name ⇒ String
A named port on a backend instance group representing the port for communication to the backend VMs in that group.
-
#protocol ⇒ String
The protocol this BackendService uses to communicate with backends.
-
#region ⇒ String
[Output Only] URL of the region where the regional backend service resides.
-
#security_policy ⇒ String
[Output Only] The resource URL for the security policy associated with this backend service.
-
#security_settings ⇒ Google::Apis::ComputeAlpha::SecuritySettings
The authentication and authorization settings for a BackendService.
-
#self_link ⇒ String
[Output Only] Server-defined URL for the resource.
-
#self_link_with_id ⇒ String
[Output Only] Server-defined URL for this resource with the resource id.
-
#session_affinity ⇒ String
Type of session affinity to use.
-
#subsetting ⇒ Google::Apis::ComputeAlpha::Subsetting
Subsetting configuration for this BackendService.
-
#timeout_sec ⇒ Fixnum
The backend service timeout has a different meaning depending on the type of load balancer.
Instance Method Summary collapse
-
#initialize(**args) ⇒ BackendService
constructor
A new instance of BackendService.
-
#update!(**args) ⇒ Object
Update properties of this object.
Constructor Details
#initialize(**args) ⇒ BackendService
Returns a new instance of BackendService.
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3598 def initialize(**args) update!(**args) end |
Instance Attribute Details
#affinity_cookie_ttl_sec ⇒ Fixnum
Lifetime of cookies in seconds. Only applicable if the loadBalancingScheme is
EXTERNAL, INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, the protocol is HTTP or
HTTPS, and the sessionAffinity is GENERATED_COOKIE, or HTTP_COOKIE.
If set to 0, the cookie is non-persistent and lasts only until the end of the
browser session (or equivalent). The maximum allowed value is one day (86,400).
Not supported when the backend service is referenced by a URL map that is
bound to target gRPC proxy that has validateForProxyless field set to true.
Corresponds to the JSON property affinityCookieTtlSec
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3311 def @affinity_cookie_ttl_sec end |
#backends ⇒ Array<Google::Apis::ComputeAlpha::Backend>
The list of backends that serve this BackendService.
Corresponds to the JSON property backends
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3316 def backends @backends end |
#cdn_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceCdnPolicy
Message containing Cloud CDN configuration for a backend service.
Corresponds to the JSON property cdnPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3321 def cdn_policy @cdn_policy end |
#circuit_breakers ⇒ Google::Apis::ComputeAlpha::CircuitBreakers
Settings controlling the volume of connections to a backend service.
Corresponds to the JSON property circuitBreakers
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3326 def circuit_breakers @circuit_breakers end |
#connection_draining ⇒ Google::Apis::ComputeAlpha::ConnectionDraining
Message containing connection draining configuration.
Corresponds to the JSON property connectionDraining
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3331 def connection_draining @connection_draining end |
#connection_tracking_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceConnectionTrackingPolicy
Connection Tracking configuration for this BackendService.
Corresponds to the JSON property connectionTrackingPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3336 def connection_tracking_policy @connection_tracking_policy end |
#consistent_hash ⇒ Google::Apis::ComputeAlpha::ConsistentHashLoadBalancerSettings
This message defines settings for a consistent hash style load balancer.
Corresponds to the JSON property consistentHash
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3341 def consistent_hash @consistent_hash end |
#creation_timestamp ⇒ String
[Output Only] Creation timestamp in RFC3339 text format.
Corresponds to the JSON property creationTimestamp
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3346 def @creation_timestamp end |
#custom_request_headers ⇒ Array<String>
Headers that the HTTP/S load balancer should add to proxied requests.
Corresponds to the JSON property customRequestHeaders
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3351 def custom_request_headers @custom_request_headers end |
#custom_response_headers ⇒ Array<String>
Headers that the HTTP/S load balancer should add to proxied responses.
Corresponds to the JSON property customResponseHeaders
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3356 def custom_response_headers @custom_response_headers end |
#description ⇒ String
An optional description of this resource. Provide this property when you
create the resource.
Corresponds to the JSON property description
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3362 def description @description end |
#edge_security_policy ⇒ String
[Output Only] The resource URL for the edge security policy associated with
this backend service.
Corresponds to the JSON property edgeSecurityPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3368 def edge_security_policy @edge_security_policy end |
#enable_cdn ⇒ Boolean Also known as: enable_cdn?
If true, enables Cloud CDN for the backend service. Only applicable if the
loadBalancingScheme is EXTERNAL and the protocol is HTTP or HTTPS.
Corresponds to the JSON property enableCDN
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3374 def enable_cdn @enable_cdn end |
#failover_policy ⇒ Google::Apis::ComputeAlpha::BackendServiceFailoverPolicy
Applicable only to Failover for Internal TCP/UDP Load Balancing and Network
Load Balancing. On failover or failback, this field indicates whether
connection draining will be honored. GCP has a fixed connection draining
timeout of 10 minutes. A setting of true terminates existing TCP connections
to the active pool during failover and failback, immediately draining traffic.
A setting of false allows existing TCP connections to persist, even on VMs no
longer in the active pool, for up to the duration of the connection draining
timeout (10 minutes).
Corresponds to the JSON property failoverPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3387 def failover_policy @failover_policy end |
#fingerprint ⇒ String
Fingerprint of this resource. A hash of the contents stored in this object.
This field is used in optimistic locking. This field will be ignored when
inserting a BackendService. An up-to-date fingerprint must be provided in
order to update the BackendService, otherwise the request will fail with error
412 conditionNotMet.
To see the latest fingerprint, make a get() request to retrieve a
BackendService.
Corresponds to the JSON property fingerprint
NOTE: Values are automatically base64 encoded/decoded in the client library.
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3399 def fingerprint @fingerprint end |
#health_checks ⇒ Array<String>
The list of URLs to the healthChecks, httpHealthChecks (legacy), or
httpsHealthChecks (legacy) resource for health checking this backend service.
Not all backend services support legacy health checks. See Load balancer
guide. Currently, at most one health check can be specified for each backend
service. Backend services with instance group or zonal NEG backends must have
a health check. Backend services with internet or serverless NEG backends must
not have a health check.
Corresponds to the JSON property healthChecks
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3410 def health_checks @health_checks end |
#iap ⇒ Google::Apis::ComputeAlpha::BackendServiceIap
Identity-Aware Proxy
Corresponds to the JSON property iap
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3415 def iap @iap end |
#id ⇒ Fixnum
[Output Only] The unique identifier for the resource. This identifier is
defined by the server.
Corresponds to the JSON property id
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3421 def id @id end |
#kind ⇒ String
[Output Only] Type of resource. Always compute#backendService for backend
services.
Corresponds to the JSON property kind
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3427 def kind @kind end |
#load_balancing_scheme ⇒ String
Specifies the load balancer type. Choose EXTERNAL for external HTTP(S), SSL
Proxy, TCP Proxy and Network Load Balancing. Choose INTERNAL for Internal TCP/
UDP Load Balancing. Choose INTERNAL_MANAGED for Internal HTTP(S) Load
Balancing. INTERNAL_SELF_MANAGED for Traffic Director. A backend service
created for one type of load balancer cannot be used with another. For more
information, refer to Choosing a load balancer.
Corresponds to the JSON property loadBalancingScheme
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3437 def load_balancing_scheme @load_balancing_scheme end |
#locality_lb_policy ⇒ String
The load balancing algorithm used within the scope of the locality. The possible values are:
- ROUND_ROBIN: This is a simple policy in which each healthy backend is selected in round robin order. This is the default.
- LEAST_REQUEST: An O(1) algorithm which selects two random healthy hosts and picks the host which has fewer active requests.
- RING_HASH: The ring/modulo hash load balancer implements consistent hashing to backends. The algorithm has the property that the addition/removal of a host from a set of N hosts only affects 1/N of the requests.
- RANDOM: The load balancer selects a random healthy host.
- ORIGINAL_DESTINATION: Backend host is selected based on the client connection metadata, i.e., connections are opened to the same address as the destination address of the incoming connection before the connection was redirected to the load balancer.
- MAGLEV: used as a drop in replacement for the ring hash load balancer. Maglev is not as stable as ring hash but has faster table lookup build times and host selection times. For more information about Maglev, see https://ai. google/research/pubs/pub44824 This field is applicable to either:
- A regional backend service with the service_protocol set to HTTP, HTTPS, or HTTP2, and load_balancing_scheme set to INTERNAL_MANAGED.
- A global backend service with the load_balancing_scheme set to
INTERNAL_SELF_MANAGED.
If sessionAffinity is not NONE, and this field is not set to MAGLEV or
RING_HASH, session affinity settings will not take effect.
Only the default ROUND_ROBIN policy is supported when the backend service is
referenced by a URL map that is bound to target gRPC proxy that has
validateForProxyless field set to true.
Corresponds to the JSON property
localityLbPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3469 def locality_lb_policy @locality_lb_policy end |
#log_config ⇒ Google::Apis::ComputeAlpha::BackendServiceLogConfig
The available logging options for the load balancer traffic served by this
backend service.
Corresponds to the JSON property logConfig
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3475 def log_config @log_config end |
#max_stream_duration ⇒ Google::Apis::ComputeAlpha::Duration
A Duration represents a fixed-length span of time represented as a count of
seconds and fractions of seconds at nanosecond resolution. It is independent
of any calendar and concepts like "day" or "month". Range is approximately 10,
000 years.
Corresponds to the JSON property maxStreamDuration
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3483 def max_stream_duration @max_stream_duration end |
#name ⇒ String
Name of the resource. Provided by the client when the resource is created. The
name must be 1-63 characters long, and comply with RFC1035. Specifically, the
name must be 1-63 characters long and match the regular expression [a-z]([-a-
z0-9]*[a-z0-9])?
which means the first character must be a lowercase letter,
and all following characters must be a dash, lowercase letter, or digit,
except the last character, which cannot be a dash.
Corresponds to the JSON property name
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3493 def name @name end |
#network ⇒ String
The URL of the network to which this backend service belongs. This field can
only be specified when the load balancing scheme is set to INTERNAL.
Corresponds to the JSON property network
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3499 def network @network end |
#outlier_detection ⇒ Google::Apis::ComputeAlpha::OutlierDetection
Settings controlling the eviction of unhealthy hosts from the load balancing
pool for the backend service.
Corresponds to the JSON property outlierDetection
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3505 def outlier_detection @outlier_detection end |
#port ⇒ Fixnum
Deprecated in favor of portName. The TCP port to connect on the backend. The
default value is 80.
Backend services for Internal TCP/UDP Load Balancing and Network Load
Balancing require you omit port.
Corresponds to the JSON property port
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3513 def port @port end |
#port_name ⇒ String
A named port on a backend instance group representing the port for
communication to the backend VMs in that group. Required when the
loadBalancingScheme is EXTERNAL (except Network Load Balancing),
INTERNAL_MANAGED, or INTERNAL_SELF_MANAGED and the backends are instance
groups. The named port must be defined on each backend instance group. This
parameter has no meaning if the backends are NEGs.
Backend services for Internal TCP/UDP Load Balancing and Network Load
Balancing require you omit port_name.
Corresponds to the JSON property portName
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3525 def port_name @port_name end |
#protocol ⇒ String
The protocol this BackendService uses to communicate with backends.
Possible values are HTTP, HTTPS, HTTP2, TCP, SSL, UDP or GRPC. depending on
the chosen load balancer or Traffic Director configuration. Refer to the
documentation for the load balancer or for Traffic Director for more
information.
Must be set to GRPC when the backend service is referenced by a URL map that
is bound to target gRPC proxy.
Corresponds to the JSON property protocol
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3536 def protocol @protocol end |
#region ⇒ String
[Output Only] URL of the region where the regional backend service resides.
This field is not applicable to global backend services. You must specify this
field as part of the HTTP request URL. It is not settable as a field in the
request body.
Corresponds to the JSON property region
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3544 def region @region end |
#security_policy ⇒ String
[Output Only] The resource URL for the security policy associated with this
backend service.
Corresponds to the JSON property securityPolicy
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3550 def security_policy @security_policy end |
#security_settings ⇒ Google::Apis::ComputeAlpha::SecuritySettings
The authentication and authorization settings for a BackendService.
Corresponds to the JSON property securitySettings
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3555 def security_settings @security_settings end |
#self_link ⇒ String
[Output Only] Server-defined URL for the resource.
Corresponds to the JSON property selfLink
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3560 def self_link @self_link end |
#self_link_with_id ⇒ String
[Output Only] Server-defined URL for this resource with the resource id.
Corresponds to the JSON property selfLinkWithId
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3565 def self_link_with_id @self_link_with_id end |
#session_affinity ⇒ String
Type of session affinity to use. The default is NONE. When the loadBalancingScheme is EXTERNAL: * For Network Load Balancing, the possible values are NONE, CLIENT_IP, CLIENT_IP_PROTO, or CLIENT_IP_PORT_PROTO.
- For all other load balancers that use loadBalancingScheme=EXTERNAL, the
possible values are NONE, CLIENT_IP, or GENERATED_COOKIE. * You can use
GENERATED_COOKIE if the protocol is HTTP, HTTP2, or HTTPS.
When the loadBalancingScheme is INTERNAL, possible values are NONE, CLIENT_IP,
CLIENT_IP_PROTO, or CLIENT_IP_PORT_PROTO.
When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED,
possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or
HTTP_COOKIE.
Not supported when the backend service is referenced by a URL map that is
bound to target gRPC proxy that has validateForProxyless field set to true.
Corresponds to the JSON property
sessionAffinity
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3582 def session_affinity @session_affinity end |
#subsetting ⇒ Google::Apis::ComputeAlpha::Subsetting
Subsetting configuration for this BackendService. Currently this is applicable
only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
Corresponds to the JSON property subsetting
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3588 def subsetting @subsetting end |
#timeout_sec ⇒ Fixnum
The backend service timeout has a different meaning depending on the type of
load balancer. For more information see, Backend service settings The default
is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647
seconds.
Corresponds to the JSON property timeoutSec
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3596 def timeout_sec @timeout_sec end |
Instance Method Details
#update!(**args) ⇒ Object
Update properties of this object
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# File 'lib/google/apis/compute_alpha/classes.rb', line 3603 def update!(**args) @affinity_cookie_ttl_sec = args[:affinity_cookie_ttl_sec] if args.key?(:affinity_cookie_ttl_sec) @backends = args[:backends] if args.key?(:backends) @cdn_policy = args[:cdn_policy] if args.key?(:cdn_policy) @circuit_breakers = args[:circuit_breakers] if args.key?(:circuit_breakers) @connection_draining = args[:connection_draining] if args.key?(:connection_draining) @connection_tracking_policy = args[:connection_tracking_policy] if args.key?(:connection_tracking_policy) @consistent_hash = args[:consistent_hash] if args.key?(:consistent_hash) @creation_timestamp = args[:creation_timestamp] if args.key?(:creation_timestamp) @custom_request_headers = args[:custom_request_headers] if args.key?(:custom_request_headers) @custom_response_headers = args[:custom_response_headers] if args.key?(:custom_response_headers) @description = args[:description] if args.key?(:description) @edge_security_policy = args[:edge_security_policy] if args.key?(:edge_security_policy) @enable_cdn = args[:enable_cdn] if args.key?(:enable_cdn) @failover_policy = args[:failover_policy] if args.key?(:failover_policy) @fingerprint = args[:fingerprint] if args.key?(:fingerprint) @health_checks = args[:health_checks] if args.key?(:health_checks) @iap = args[:iap] if args.key?(:iap) @id = args[:id] if args.key?(:id) @kind = args[:kind] if args.key?(:kind) @load_balancing_scheme = args[:load_balancing_scheme] if args.key?(:load_balancing_scheme) @locality_lb_policy = args[:locality_lb_policy] if args.key?(:locality_lb_policy) @log_config = args[:log_config] if args.key?(:log_config) @max_stream_duration = args[:max_stream_duration] if args.key?(:max_stream_duration) @name = args[:name] if args.key?(:name) @network = args[:network] if args.key?(:network) @outlier_detection = args[:outlier_detection] if args.key?(:outlier_detection) @port = args[:port] if args.key?(:port) @port_name = args[:port_name] if args.key?(:port_name) @protocol = args[:protocol] if args.key?(:protocol) @region = args[:region] if args.key?(:region) @security_policy = args[:security_policy] if args.key?(:security_policy) @security_settings = args[:security_settings] if args.key?(:security_settings) @self_link = args[:self_link] if args.key?(:self_link) @self_link_with_id = args[:self_link_with_id] if args.key?(:self_link_with_id) @session_affinity = args[:session_affinity] if args.key?(:session_affinity) @subsetting = args[:subsetting] if args.key?(:subsetting) @timeout_sec = args[:timeout_sec] if args.key?(:timeout_sec) end |