Method: targetPools.getHealth

Gets the most recent health check results for each IP for the instance that is referenced by the given target pool.

HTTP request

POST https://compute.googleapis.com/compute/v1/projects/{project}/regions/{region}/targetPools/{targetPool}/getHealth

The URL uses gRPC Transcoding syntax.

Path parameters

Parameters
project

string

Project ID for this request.
region

string

Name of the region scoping this request.
targetPool

string

Name of the TargetPool resource to which the queried instance belongs.

Request body

The request body contains data with the following structure:

JSON representation 
{
  "instance": string
}
Fields
instance

string

The URL for a specific instance. @required compute.instancegroups.addInstances/removeInstances

Response body

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

JSON representation 
{
  "kind": string,
  "healthStatus": [
    {
      "weight": string,
      "weightError": enum,
      "ipAddress": string,
      "ipv6Address": string,
      "port": integer,
      "instance": string,
      "healthState": enum,
      "ipv6HealthState": enum,
      "annotations": {
        string: string,
        ...
      },
      "forwardingRuleIp": string,
      "forwardingRule": string
    }
  ]
}
Fields
kind

string

[Output Only] Type of resource. Always compute#targetPoolInstanceHealth when checking the health of an instance.
healthStatus[]

object
healthStatus[].weight

string
healthStatus[].weightError

enum
healthStatus[].ipAddress

string

For target pool based Network Load Balancing, it indicates the forwarding rule's IP address assigned to this instance. For other types of load balancing, the field indicates VM internal ip.
healthStatus[].ipv6Address

string
healthStatus[].port

integer

The named port of the instance group, not necessarily the port that is health-checked.
healthStatus[].instance

string

URL of the instance resource.
healthStatus[].healthState

enum

Health state of the IPv4 address of the instance.
healthStatus[].ipv6HealthState

enum

Health state of the IPv6 address of the instance.
healthStatus[].annotations

map (key: string, value: string)

Metadata defined as annotations for network endpoint.
healthStatus[].forwardingRuleIp

string

A forwarding rule IP address assigned to this instance.
healthStatus[].forwardingRule

string

URL of the forwarding rule associated with the health status of the instance.

Authorization scopes

Requires one of the following OAuth scopes:

  • https://www.googleapis.com/auth/compute.readonly
  • 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 IAM permissions:

  • compute.targetPools.get

To find predefined roles that contain those permissions, see Compute Engine IAM Roles.