tencent cloud



Last updated: 2023-03-03 15:53:59

1. API Description

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

This API is used to query the information of primary and replica nodes of an instance.

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

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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: DescribeInstanceNodeInfo.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region No String Common Params. This parameter is not required for this API.
InstanceId Yes String Instance ID, such as tdsql-6ltok4u9
Limit No Integer The maximum number of results returned at a time. By default, there is no upper limit to this value, that is, all results can be returned.
Offset No Integer Offset of the returned results. Default value: 0.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Total number of nodes
NodesInfo Array of NodeInfo Node information
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying the information of primary and replica nodes of an instance

Input Example

Host: mariadb.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeInstanceNodeInfo
<Common request parameters>

    "InstanceId": "tdsql-b43f8yjl"

Output Example

    "Response": {
        "RequestId": "186315",
        "NodesInfo": [
                "Role": "master",
                "NodeId": "5c2af09aeeb701fef6d5fef4329bb62d61f211ac"
                "Role": "slave",
                "NodeId": "dbedea66f4ba2b71e6816e3f9d0c2936e5448786"
                "Role": "slave",
                "NodeId": "1b40c8a28bec5c4af666d31b24119e319d68773e"
        "TotalCount": 3

5. Developer Resources


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.OssOperationFailed Failed to request the backend API.
InternalError.InnerSystemError Internal system error.
InvalidParameter.InstanceNotFound Failed to find the requested instance.
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