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DescribeTargets

最后更新时间：2023-08-18 14:28:17

1. API Description

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

This API is used to query the list of the real servers bound to 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 Params. The value used for this API: DescribeTargets.
Version Yes String Common Params. The value used for this API: 2019-07-19.
Region No String Common Params. This parameter is not required for this API.
LoadBalancerId Yes String CLB instance ID
ListenerIds.N No Array of String List of listener IDs.
Protocol No Integer Listener protocol type.
Port No Integer Listener port.

3. Output Parameters

Parameter Name Type Description
Listeners Array of ListenerBackend Information of real servers bound to the listener.
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 the list of real servers bound to CLB instance

Input Example

https://ecm.tencentcloudapi.com/?Action=DescribeTargets
&LoadBalancerId=lb-f9zyj3kb
&<Common request parameters>

Output Example

{
    "Response": {
        "RequestId": "cbc4f5bf-589e-4102-a608-bef958372313",
        "Listeners": [
            {
                "Targets": [],
                "ListenerId": "lbl-43jbp1cc",
                "Port": 12345,
                "Protocol": "TCP"
            },
            {
                "Targets": [],
                "ListenerId": "lbl-aznj4uuk",
                "Port": 222,
                "Protocol": "TCP"
            },
            {
                "Targets": [
                    {
                        "EniId": "eni-i0qls00b",
                        "InstanceName": "",
                        "InstanceId": "ein-nu5sp1s4",
                        "PublicIpAddresses": [
                            "101.67.8.124"
                        ],
                        "Port": 23001,
                        "RegisteredTime": "2020-08-12 16:08:15",
                        "Weight": 100,
                        "PrivateIpAddresses": [
                            "172.16.0.74"
                        ]
                    },
                    {
                        "EniId": "eni-55sj7ug9",
                        "InstanceName": "Low-Profile test server",
                        "InstanceId": "ein-dqvc6c5g",
                        "PublicIpAddresses": [
                            "101.67.8.111"
                        ],
                        "Port": 23001,
                        "RegisteredTime": "2020-08-12 16:08:15",
                        "Weight": 100,
                        "PrivateIpAddresses": [
                            "172.16.0.11"
                        ]
                    }
                ],
                "ListenerId": "lbl-o0hptbhg",
                "Port": 13001,
                "Protocol": "TCP"
            },
            {
                "Targets": [
                    {
                        "EniId": "eni-i0qls00b",
                        "InstanceName": "",
                        "InstanceId": "ein-nu5sp1s4",
                        "PublicIpAddresses": [
                            "101.67.8.124"
                        ],
                        "Port": 23002,
                        "RegisteredTime": "2020-08-12 16:10:41",
                        "Weight": 100,
                        "PrivateIpAddresses": [
                            "172.16.0.74"
                        ]
                    },
                    {
                        "EniId": "eni-i0qls00b",
                        "InstanceName": "",
                        "InstanceId": "ein-nu5sp1s4",
                        "PublicIpAddresses": [
                            "101.67.8.124"
                        ],
                        "Port": 23012,
                        "RegisteredTime": "2020-08-12 16:10:41",
                        "Weight": 100,
                        "PrivateIpAddresses": [
                            "172.16.0.74"
                        ]
                    }
                ],
                "ListenerId": "lbl-jruukfae",
                "Port": 13002,
                "Protocol": "TCP"
            },
            {
                "Targets": [],
                "ListenerId": "lbl-6p9gf1nq",
                "Port": 13003,
                "Protocol": "TCP"
            }
        ]
    }
}

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

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.InternalOperationFailure Internal error.
InvalidParameter.FormatError The parameter format is incorrect.
InvalidParameter.InvalidDataFormat The data format is incorrect.
InvalidParameterValue.InvalidPublicParam The common parameter is invalid.
InvalidParameterValue.Length The parameter length is incorrect.
UnauthorizedOperation.ForbiddenOperation You don't have the permission to perform this operation.
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