Domain name for API request: redis.tencentcloudapi.com.
This API is used to promote a replica node group to a master node group or a replica node to a master node for an instance.
A maximum of 20 requests can be initiated per second for this API.
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: ChangeReplicaToMaster. |
Version | Yes | String | Common Params. The value used for this API: 2018-04-12. |
Region | No | String | Common Params. This parameter is not required for this API. |
InstanceId | Yes | String | ID of the specified instance, such as "crs-xjhsdj****" Log in to the Redis console and copy the instance ID in the instance list. |
GroupId | No | Integer | ID of the replica node group. You can get more ID information of the multi-AZ replica node group though the DescribeInstanceZoneInfo API. This parameter is not required for a single-AZ replica node group. |
Parameter Name | Type | Description |
---|---|---|
TaskId | Integer | Async 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. |
This example shows you how to promote a replica to a master in single AZ or multiple AZs.
POST / HTTP/1.1Host: redis.tencentcloudapi.comContent-Type: application/jsonX-TC-Action: ChangeReplicaToMaster<Common request parameters>{ "InstanceId": "crs-sa5****", "GroupId": 301524}
{
"Response": {
"RequestId": "c4ed5948-d156-4931-b9c3-10133a0bb6c9",
"TaskId": 10856
}
}
TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
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. |
AuthFailure.InvalidAuthorization | Invalid authorization. |
FailedOperation.SystemError | Internal system error, which is irrelevant to the business. |
FailedOperation.UnSupportError | The instance does not support this API. |
InvalidParameter.IllegalParameterError | Invalid parameter. |
InvalidParameter.InvalidParameter | Invalid service parameter. |
InvalidParameter.PermissionDenied | The API has no CAM permissions. |
InvalidParameterValue | Incorrect parameter value. |
ResourceNotFound.InstanceNotExists | No Redis instance is found by the serialId. |
ResourceUnavailable.InstanceStatusError | Operation unsupported: the instance is exceptional. |
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