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    AddDBInstanceToReadOnlyGroup

    最后更新时间：2024-11-28 11:24:44
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      1. API Description

      Domain name for API request: postgres.intl.tencentcloudapi.com.

      This API is used to add a read-only replica to an RO group.

      A maximum of 100 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: AddDBInstanceToReadOnlyGroup.
      Version Yes String Common Params. The value used for this API: 2017-03-12.
      Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-beijing, ap-chengdu, ap-chongqing, ap-guangzhou, ap-hongkong, ap-jakarta, ap-mumbai, ap-nanjing, ap-seoul, ap-shanghai, ap-shanghai-fsi, ap-shenzhen-fsi, ap-singapore, ap-tokyo, eu-frankfurt, na-ashburn, na-siliconvalley, sa-saopaulo.
      DBInstanceId Yes String Instance ID
      ReadOnlyGroupId Yes String RO group ID

      3. Output Parameters

      Parameter Name Type Description
      FlowId Integer Task ID
      RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

      4. Example

      Example1 Adding instance "postgres-k95qzetn" to RO group "pgrogrp-test"

      Input Example

      POST / HTTP/1.1
Host: postgres.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: AddDBInstanceToReadOnlyGroup
<Common request parameters>

{
    "ReadOnlyGroupId": "\"pgrogrp-test\"",
    "DBInstanceId": "\"postgres-k95qzetn\""
}

      Output Example

      {
    "Response": {
        "RequestId": "d43b2a9f-070c-480b-a0bb-7c210428cfe8",
        "FlowId": 912
    }
}

      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.CamAuthFailed CAM authentication failed.
      FailedOperation.CamSigAndAuthError Authentication failed. Please try again later. If the problem persists, please contact customer service.
      FailedOperation.DatabaseAccessError Failed to access database management service. Please try again later. If the problem persists, please contact customer service.
      FailedOperation.FailedOperationError Operation failed. Please try again later.
      FailedOperation.FlowCreateError Failed to create a task. Please try again later. If the problem persists, please contact customer service.
      FailedOperation.ROGroupMasterInstanceNotRight The primary instance information of the RO group is not matched.
      FailedOperation.ROGroupNotFoundError The RO group does not exist.
      FailedOperation.ROInstanceHasInROGroupError This read-only replica already belongs to another RO group.
      InstanceNotExist The current instance does not exist.
      InternalError.DBError Backend database execution error.
      InternalError.InternalHttpServerError An exception occurred while executing the request.
      InternalError.SystemError System error. When this error occurs, please contact customer service for assistance.
      InvalidParameterValue.InvalidParameterValueError Incorrect parameter value
      InvalidParameterValue.InvalidReadOnlyGroupStatus RO group in incorrect status
      InvalidParameterValue.ParameterHandleError Failed to process the parameter. Please check if the parameter value is valid.
      InvalidParameterValue.ReadOnlyGroupNotExist The RO group does not exist.
      OperationDenied.CamDeniedError This operation cannot be performed.
      OperationDenied.InstanceStatusLimitOpError This operation cannot be performed on an instance in this status.
      OperationDenied.ROGroupStatusError This operation cannot be performed on an RO group in this status.
      OperationDenied.ROInstanceStatusLimitOpError This operation cannot be performed on a read-only instance in this status.
      OperationDenied.RoInstanceCountExeedError The total number of read-only nodes should not exceed the upper limit.
      ResourceNotFound.InstanceNotFoundError The instance does not exist.
      ResourceUnavailable.InvalidInstanceStatus Incorrect instance status.
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