Adding Metadata of an EVS Disk

Function

This API is used to add or update the metadata of an EVS disk.

URI

• URI format

  POST /v2/{project_id}/volumes/{volume_id}/metadata

• Parameter description

  Parameter	Mandatory	Description
  project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
  volume_id	Yes	Specifies the disk ID.

Request

• Parameter description

  Parameter	Type	Mandatory	Description
  metadata	Object	Yes	Specifies the metadata to be updated. For details, see Parameter in the metadata field. The length of the key or value in the metadata cannot exceed 255 bytes.

• Parameter in the metadata field

  Parameter	Type	Mandatory	Description
  key_val	String	No	Specifies the metadata information, which is made up of one or multiple key-value pairs.

• Example request

  {
      "metadata": {
          "key1": "value1", 
          "key2": "value2"
      }
  }

Response

• Parameter description

  Parameter	Type	Description
  metadata	Object	Specifies the disk metadata, which is made up of key-value pairs.
  error	Object	Specifies the error message returned when an error occurs. For details, see Parameters in the error field.

• Parameters in the error field

  Parameter	Type	Description
  message	String	Specifies the error message returned when an error occurs.
  code	String	Specifies the error code returned when an error occurs. For details about the error code, see Error Codes.

• Example response

  {
      "metadata": {
          "key1": "value1", 
          "key2": "value2"
      }
  }

  or

  {
      "error": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

  In the preceding example, error indicates a general error, for example, badrequest or itemNotFound. An example is provided as follows:

  {
      "badrequest": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

Status Codes

• Normal

  200

Error Codes

For details, see Error Codes.