Rolling Back a DDM Kernel Version (a V3 API)

Function

Roll back a DDM kernel version. After a DDM instance is upgraded to a new version, the kernel version can be rolled back to the version before the last update.

Constraints

None

URI

• URL format

  POST /v3/{project_id}/instances/{instance_id}/database-version/rollback-version

• Parameter description

  Table 1 URI parameters

  Parameter	Mandatory	Type	Description
  project_id	Yes	String	Project ID of a tenant in a region To obtain this value, see Obtaining a Project ID.
  instance_id	Yes	String	DDM instance ID

Request Parameters

Example Request

Roll back a DDM kernel version.

POST https://{endpoint}/v3/{project_id}/instances/{instance_id}/database-version/rollback-version

Response

• Normal response

  Table 3 Response body parameters

  Parameter	Type	Description
  instance_id	String	DDM instance ID.
  job_id	String	Task ID for rolling back a kernel version.

• Normal response example

  { 
    "instance_id" : "28e8841d0b9c4f6a9a30742ee60e1055****", 
    "job_id" : "1eb697c0-1842-43a3-8671-f562d038****"
  }

• Abnormal response

  For details, see Abnormal Request Results.

Status Code

• Normal

  202

• Abnormal

  For details, see Status Codes.

Error Codes

For details, see Error Codes.