DescribeTargetHealth

Prev Next

search by keyword

Recent Pages

Documentation

Download PDF

Last updated: 2021-11-16 16:47:17

Download PDF

1. API Description

Domain name for API request: clb.tencentcloudapi.com.

This API (DescribeTargetHealth) is used to query the health check result of a real server of a CLB instance.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer

Try it

API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name	Required	Type	Description
Action	Yes	String	Common parameter. The value used for this API: DescribeTargetHealth.
Version	Yes	String	Common parameter. The value used for this API: 2018-03-17.
Region	Yes	String	Common parameter. For more information, please see the list of regions supported by the product.
LoadBalancerIds.N	Yes	Array of String	List of IDs of CLB instances to be queried

3. Output Parameters

Parameter Name	Type	Description
LoadBalancers	Array of LoadBalancerHealth	CLB instance list Note: This field may return `null`, indicating that no valid values can be obtained.
RequestId	String	The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying real server health status of a CLB instance

Input Example

https://clb.tencentcloudapi.com/?Action=DescribeTargetHealth
&LoadBalancerIds.0=lb-qc2iq5yc
&<Common request parameters>

Output Example

{
  "Response": {
    "LoadBalancers": [
      {
        "Listeners": [
          {
            "Rules": [
              {
                "Url": "/",
                "Domain": "www.123.com",
                "LocationId": "loc-5t7526km",
                "Targets": []
              }
            ],
            "Port": 666,
            "Protocol": "HTTP",
            "ListenerId": "lbl-j36caqde",
            "ListenerName": "http-111"
          },
          {
            "Rules": [
              {
                "Url": null,
                "Domain": null,
                "LocationId": "loc-ewygg6i0",
                "Targets": [
                  {
                    "HealthStatus": false,
                    "IP": "172.16.0.6",
                    "TargetId": "ins-19425500",
                    "Port": 2020
                  },
                  {
                    "HealthStatus": true,
                    "IP": "172.16.0.12",
                    "TargetId": "ins-19425y2y",
                    "Port": 80
                  }
                ]
              }
            ],
            "Port": 789,
            "Protocol": "TCP",
            "ListenerId": "lbl-fs9naq76",
            "ListenerName": "tcp_test"
          },
          {
            "Rules": [
              {
                "Url": "/",
                "Domain": "www.456.com",
                "LocationId": "loc-8gdc4qcq",
                "Targets": []
              }
            ],
            "Port": 777,
            "Protocol": "HTTP",
            "ListenerId": "lbl-9nj07x0m",
            "ListenerName": "http-222"
          },
          {
            "Rules": [],
            "Port": 1949,
            "Protocol": "HTTPS",
            "ListenerId": "lbl-087wrv48",
            "ListenerName": "https-000"
          }
        ],
        "LoadBalancerName": "lb-test123",
        "LoadBalancerId": "lb-qc2iq5yc"
      }
    ],
    "RequestId": "9d45e1ec-720c-4ce1-860e-e338e273e77e"
  }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code	Description
FailedOperation	Operation failed.
InternalError	Internal error.
InvalidParameter	Parameter error.
InvalidParameter.FormatError	Wrong parameter format.
InvalidParameter.LBIdNotFound	Wrong CLB instance ID.
InvalidParameterValue	Incorrect parameter value.
InvalidParameterValue.Length	Wrong parameter length.
UnauthorizedOperation	Unauthorized operation.

Recent Pages