Waiting for Cancellation of the Specification Change in the Maintenance Time Window

This API is used to wait for cancellation of the specification change in the maintenance time window.

For details, see Calling APIs.

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

POST /v2/{project_id}/instances/{instance_id}/resize/cancel/{task_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition: Project ID. For details, see Obtaining a Project ID. Constraints: N/A Range: N/A Default Value: N/A
instance_id	Yes	String	Definition: Instance ID. It can be viewed on the instance details page on the DCS console. Constraints: N/A Range: N/A Default Value: N/A
task_id	Yes	String	Definition: Task ID. It can be viewed on the background task page on the DCS console. Constraints: N/A Range: N/A Default Value: N/A

None

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
result	String	Definition: Result of canceling the specification change. Range: success: The specification change is canceled successfully.

Status code: 400

**Table 3** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

Status code: 401

**Table 4** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

Status code: 403

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

Status code: 404

**Table 6** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/resize/cancel/{task_id}

Status code: 200

The request for canceling the specification change is successful.

{
  "result" : "success"
}

Status code: 400

Invalid request.

{
  "error_code" : "DCS.4239",
  "error_msg" : "The instance status is not extending."
}

Status Code	Description
200	The request for canceling the specification change is successful.
400	Invalid request.
401	Invalid authentication information.
403	Rejected request.
404	The requested resource could not be found.
500	Internal service error.