tencent cloud



Last updated: 2022-08-17 15:58:21

1. API Description

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

This API (DescribeDBInstanceConfig) is used to query the configuration information of a TencentDB instance, such as its synchronization mode and deployment mode.

A maximum of 100 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: DescribeDBInstanceConfig.
Version Yes String Common Params. The value used for this API: 2017-03-20.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
InstanceId Yes String Instance ID in the format of cdb-c1nl9rpv. It is the same as the instance ID displayed on the TencentDB Console page.

3. Output Parameters

Parameter Name Type Description
ProtectMode Integer Data protection mode of the primary instance. Value range: 0 (async replication), 1 (semi-sync replication), 2 (strong sync replication).
DeployMode Integer Master instance deployment mode. Value range: 0 (single-AZ), 1 (multi-AZ)
Zone String Instance AZ information in the format of "ap-shanghai-1".
SlaveConfig SlaveConfig Configurations of the replica node
Note: null may be returned for this field, indicating that no valid values can be obtained.
BackupConfig BackupConfig Configurations of the second replica node of a strong-sync instance
Note: null may be returned for this field, indicating that no valid values can be obtained.
Switched Boolean This parameter is only available for multi-AZ instances. It indicates whether the source AZ is the same as the one specified upon purchase. true: not the same, false: the same.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying the configuration information of a TencentDB instance

Input Example

&<Common request parameters>

Output Example

    "Response": {
        "RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7",
        "SlaveConfig": {
            "ReplicationMode": "async",
            "Zone": "ap-guangzhou-3"
        "BackupConfig": {
            "ReplicationMode": "sync",
            "Vip": "",
            "Vport": 0,
            "Zone": "ap-guangzhou-3"
        "ProtectMode": 0,
        "Zone": "ap-guangzhou-3",
        "DeployMode": 1,
        "Switched": false

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
AuthFailure CAM signature/authentication error.
CdbError Backend or process error.
InternalError.JSONError Failed to parse JSON.
InternalError.NetworkError Network error
InternalError.UnknownError Unknown error
InvalidParameter Parameter error.
InvalidParameter.InstanceNotFound The instance does not exist.
InvalidParameterValue.InvalidParameterValueError Invalid parameter value
OperationDenied Operation denied.
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