Method: targetPools.get

Returns the specified target pool. Gets a list of available target pools by making a list() request.

HTTP request

GET https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/targetPools/{resourceId}

The URL uses Google API HTTP annotation syntax.

Path parameters

Parameters
project

string

Project ID for this request.

region

string

Name of the region scoping this request.

resourceId

string

Name of the TargetPool resource to return.

Request body

The request body must be empty.

Response body

If successful, the response body contains data with the following structure:

A TargetPool resource. This resource defines a pool of instances, an associated HttpHealthCheck resource, and the fallback target pool.

JSON representation
{
  "id": string,
  "creationTimestamp": string,
  "name": string,
  "description": string,
  "region": string,
  "healthChecks": [
    string
  ],
  "instances": [
    string
  ],
  "sessionAffinity": enum,
  "failoverRatio": number,
  "backupPool": string,
  "selfLink": string,
  "kind": string
}
Fields
id

string (fixed64 format)

[Output Only] The unique identifier for the resource. This identifier is defined by the server.

creationTimestamp

string

[Output Only] Creation timestamp in RFC3339 text format.

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.

description

string

An optional description of this resource. Provide this property when you create the resource.

region

string

[Output Only] URL of the region where the target pool resides.

healthChecks[]

string

The URL of the HttpHealthCheck resource. A member instance in this pool is considered healthy if and only if the health checks pass. An empty list means all member instances will be considered healthy at all times. Only HttpHealthChecks are supported. Only one health check may be specified.

instances[]

string

A list of resource URLs to the virtual machine instances serving this pool. They must live in zones contained in the same region as this pool.

sessionAffinity

enum

Sesssion affinity option, must be one of the following values:
NONE: Connections from the same client IP may go to any instance in the pool.
CLIENT_IP: Connections from the same client IP will go to the same instance in the pool while that instance remains healthy.
CLIENT_IP_PROTO: Connections from the same client IP with the same IP protocol will go to the same instance in the pool while that instance remains healthy.

failoverRatio

number

This field is applicable only when the containing target pool is serving a forwarding rule as the primary pool (i.e., not as a backup pool to some other target pool). The value of the field must be in [0, 1].

If set, backupPool must also be set. They together define the fallback behavior of the primary target pool: if the ratio of the healthy instances in the primary pool is at or below this number, traffic arriving at the load-balanced IP will be directed to the backup pool.

In case where failoverRatio is not set or all the instances in the backup pool are unhealthy, the traffic will be directed back to the primary pool in the "force" mode, where traffic will be spread to the healthy instances with the best effort, or to all instances when no instance is healthy.

backupPool

string

This field is applicable only when the containing target pool is serving a forwarding rule as the primary pool, and its failoverRatio field is properly set to a value between [0, 1]. backupPool and failoverRatio together define the fallback behavior of the primary target pool: if the ratio of the healthy instances in the primary pool is at or below failoverRatio, traffic arriving at the load-balanced IP will be directed to the backup pool.

In case where failoverRatio and backupPool are not set, or all the instances in the backup pool are unhealthy, the traffic will be directed back to the primary pool in the "force" mode, where traffic will be spread to the healthy instances with the best effort, or to all instances when no instance is healthy.

kind

string

[Output Only] Type of the resource. Always compute#targetPool for target pools.

Authorization Scopes

Requires one of the following OAuth scopes:

  • https://www.googleapis.com/auth/compute
  • https://www.googleapis.com/auth/cloud-platform

For more information, see the Authentication Overview.

IAM Permissions

In addition to any permissions specified on the fields above, authorization requires one or more of the following Google IAM permissions:

  • compute.targetPools.get
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