CreateCloneInstance

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Last updated: 2022-04-26 16:25:21

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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

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.
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.
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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