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CreateCloneInstance

Last updated: 2022-10-27 17:11:42

1. API Description

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

This API is used to create a clone of a specific instance, and roll back the clone by using a physical backup file of the instance or roll back the clone to a point in time.

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: CreateCloneInstance.
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 ID of the instance to be cloned from
SpecifiedRollbackTime No String To roll back the cloned instance to a specific point in time, set this parameter to a value in the format of "yyyy-mm-dd hh:mm:ss".
SpecifiedBackupId No Integer To roll back the cloned instance to a specific physical backup file, set this parameter to the ID of the physical backup file. The ID can be obtained by the DescribeBackups API.
UniqVpcId No String VPC ID, which can be obtained by the DescribeVpcs API. If this parameter is left empty, the classic network will be used by default.
UniqSubnetId No String VPC subnet ID, which can be obtained by the DescribeSubnets API. If UniqVpcId is set, UniqSubnetId will be required.
Memory No Integer Memory of the cloned instance in MB, which should be equal to (by default) or larger than that of the original instance
Volume No Integer Disk capacity of the cloned instance in GB, which should be equal to (by default) or larger than that of the original instance
InstanceName No String Name of the cloned instance
SecurityGroup.N No Array of String Security group parameter, which can be obtained by the DescribeProjectSecurityGroups API
ResourceTags.N No Array of TagInfo Information of the cloned instance tag
Cpu No Integer The number of CPU cores of the cloned instance. It should be equal to (by default) or larger than that of the original instance.
ProtectMode No Integer Data replication mode. Valid values: 0 (async), 1 (semi-sync), 2 (strong sync). Default value: 0.
DeployMode No Integer Multi-AZ or single-AZ. Valid values: 0 (single-AZ), 1 (multi-AZ). Default value: 0.
SlaveZone No String Availability zone information of replica 1 of the cloned instance, which is the same as the value of Zone of the original instance by default
BackupZone No String Availability zone information of replica 2 of the cloned instance,
which is left empty by default. Specify this parameter when cloning a strong sync source instance.
DeviceType No String Resource isolation type of the clone. Valid values: UNIVERSAL (general instance), EXCLUSIVE (dedicated instance). Default value: UNIVERSAL.
InstanceNodes No Integer The number of nodes of the clone. If this parameter is set to 3 or the BackupZone parameter is specified, the clone will have three nodes. If this parameter is set to 2 or left empty, the clone will have two nodes.
DeployGroupId No String Placement group ID.
DryRun No Boolean Whether to check the request without creating any instance. Valid values: true, false (default). After being submitted, the request will be checked to see if it is in correct format and has all required parameters with valid values. An error code is returned if the check failed, and RequestId is returned if the check succeeded. After a successful check, no instance will be created if this parameter is set to true, whereas an instance will be created and if it is set to false.
CageId No String Financial cage ID.
ProjectId No Integer Project ID. Default value: 0.

3. Output Parameters

Parameter Name Type Description
AsyncRequestId String LimitAsync task request ID, which can be used to query the execution result of an async task
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Cloning an instance and rolling back the clone to a specific point in time

Input Example

https://cdb.tencentcloudapi.com/?Action=CreateCloneInstance
&InstanceId=cdb-9303wd4x
&SpecifiedRollbackTime=2020-08-0116:27:43
&UniqVpcId=vpc-594gwq4l
&UniqSubnetId=subnet-dz5pj862
&Memory=1000
&Volume=50
&<Common request parameters>

Output Example

{
    "Response": {
        "RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7",
        "AsyncRequestId": "256117ed-efa08b54-61784d44-91781bbd"
    }
}

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
CdbError Backend or process error.
CdbError.DatabaseError Backend database error.
FailedOperation.StatusConflict Task status conflict.
InternalError.DfwError Security group operation error.
InternalError.TradeError Transaction system error.
InternalError.UndefinedError Unknown error
InternalError.VpcError VPC or subnet error.
InvalidParameter Parameter error.
InvalidParameter.InstanceNotFound The instance does not exist.
OperationDenied Operation denied.
OperationDenied.OtherOderInProcess There are other orders being submitted. Please try again later.
OperationDenied.UserHasNoStrategy This account is not authorized to access the requested resource.
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