CreateRoInstanceIp

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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: CreateRoInstanceIp.
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	Read-only instance ID in the format of "cdbro-3i70uj0k". Its value is the same as the read-only instance ID in the TencentDB Console.
UniqSubnetId	No	String	Subnet descriptor, such as "subnet-1typ0s7d".
UniqVpcId	No	String	VPC descriptor, such as "vpc-a23yt67j". If this field is passed in, `UniqSubnetId` will be required.

3. Output Parameters

Parameter Name	Type	Description
RoVpcId	Integer	VPC ID of the read-only instance.
RoSubnetId	Integer	Subnet ID of the read-only instance.
RoVip	String	Private IP address of the read-only instance.
RoVport	Integer	Private port number of the read-only instance.
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 Creating a VIP exclusive to a TencentDB read-only replica

Input Example

https://cdb.intl.tencentcloudapi.com/?Action=CreateRoInstanceIp
&InstanceId=cdbro-c1nl9rpv
&UniqSubnetId=subnet-1typ0s7d
&<Common request parameters>

Output Example

{
    "Response": {
        "RoVpcId": 511512,
        "RoSubnetId": 115839,
        "RoVip": "172.0.0.1",
        "RoVport": 3306,
        "RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7"
    }
}

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

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.

Error Code	Description
CdbError	Backend or process error.
FailedOperation.CreateRoVipError	Failed to assign an exclusive VIP to the read-only replica.
FailedOperation.StatusConflict	Task status conflict.
InternalError.CdbError	System error.
InternalError.DatabaseAccessError	Internal database error.
InternalError.DesError	Internal system error.
InternalError.HttpError	Exceptional HTTP request
InternalError.InternalHttpServerError	An exception occurred while executing the request.
InternalError.UnknownError	Unknown error
InvalidParameter	Parameter error.
InvalidParameter.InstanceNotFound	The instance does not exist.
InvalidParameter.ResourceNotFound	The resource is not found.
InvalidParameterValue.InvalidParameterValueError	Invalid parameter value
OperationDenied	Operation denied.
OperationDenied.ActionInProcess	The instance is performing another task.
OperationDenied.WrongStatus	The backend task status is invalid.
ResourceNotFound.CdbInstanceNotFoundError	The instance cannot be found. Please check whether your instance status is normal.

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1. API Description