tencent cloud

1. API Description

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

This API (DescribeTargets) is used to query the list of real servers bound to some listeners of a CLB instance.

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

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.

3. Output Parameters

4. Example

Example1 Querying the Real Server List by Location

This example shows you how to query the server list under a specific rule through filtering by location-id when the Layer-7 listener of CLB has too many rules.

Input Example

https://clb.tencentcloudapi.com/?Action=DescribeTargets
&LoadBalancerId=lb-12345678
&Filters.0.Name=location-id
&Filters.0.Values.0=loc-12345678
&<Common request parameters>

Output Example

{
    "Response": {
        "Listeners": [
            {
                "ListenerId": "lbl-4fo6k8na",
                "Protocol": "HTTP",
                "Port": 80,
                "Rules": [
                    {
                        "LocationId": "loc-o9732aw0",
                        "Domain": "www.123.com",
                        "Url": "/",
                        "Targets": [
                            {
                                "Type": "cvm",
                                "PrivateIpAddresses": [
                                    "172.16.0.12"
                                ],
                                "EniId": "",
                                "PublicIpAddresses": null,
                                "InstanceName": "abcd1234",
                                "Port": 555,
                                "Weight": 10,
                                "InstanceId": "ins-19425y2y",
                                "RegisteredTime": "2019-07-12 16:22:02"
                            }
                        ],
                        "FunctionTargets": []
                    }
                ],
                "Targets": null
            },
            {
                "ListenerId": "lbl-4ue2rpl2",
                "Protocol": "TCP",
                "Port": 888,
                "Rules": null,
                "Targets": [
                    {
                        "Type": "cvm",
                        "PrivateIpAddresses": [
                            "172.16.0.12"
                        ],
                        "EniId": "",
                        "PublicIpAddresses": null,
                        "InstanceName": "abcd1234",
                        "Port": 666,
                        "Weight": 40,
                        "InstanceId": "ins-19425y2y",
                        "RegisteredTime": "2019-07-12 16:22:54"
                    }
                ]
            }
        ],
        "RequestId": "a5cbe92d-c7f2-41d4-8343-3cb42c3fd1dd"
    }
}

Example2 Querying All Real Servers Bound to a CLB Instance

This example shows you how to query all real servers bound to a CLB instance.

Input Example

https://clb.tencentcloudapi.com/?Action=DescribeTargets
&LoadBalancerId=lb-10iq9lou
&<Common request parameters>

Output Example

{
    "Response": {
        "Listeners": [
            {
                "ListenerId": "lbl-12345678",
                "Protocol": "HTTP",
                "Port": 80,
                "Rules": [
                    {
                        "LocationId": "loc-12345678",
                        "Domain": "123.com",
                        "Url": "/",
                        "Targets": [
                            {
                                "Type": "CVM",
                                "InstanceId": "ins-12345678",
                                "Port": 80,
                                "Weight": 10,
                                "PublicIpAddresses": null,
                                "PrivateIpAddresses": [
                                    "172.16.0.100"
                                ],
                                "InstanceName": "123",
                                "RegisteredTime": "2023-01-01",
                                "EniId": "eni-12345678"
                            }
                        ],
                        "FunctionTargets": null
                    }
                ],
                "Targets": null,
                "EndPort": 0
            }
        ],
        "RequestId": "038afb75-7303-48da-abdc-e25f0cbfda0f"
    }
}

5. Developer Resources

SDK

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

• Tencent Cloud SDK 3.0 for Python
• Tencent Cloud SDK 3.0 for Java
• Tencent Cloud SDK 3.0 for PHP
• Tencent Cloud SDK 3.0 for Go
• Tencent Cloud SDK 3.0 for Node.js
• Tencent Cloud SDK 3.0 for .NET
• Tencent Cloud SDK 3.0 for C++

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.