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  4. OpenStack Cinder API v3
  5. EVS Disk
  6. Querying Metadata of an EVS Disk

Querying Metadata of an EVS Disk

Function

This API is used to query metadata of an EVS disk.

URI

  • URI format

    GET /v3/{project_id}/volumes/{volume_id}/metadata

  • Parameter description

    Parameter

    Mandatory

    Description

    project_id

    Yes

    Specifies the project ID.

    volume_id

    Yes

    Specifies the EVS disk ID.

Request

None

Response

  • Parameter description

    Parameter

    Type

    Description

    metadata

    map<string, string>

    Specifies the disk metadata, which is made up of key-value pairs.

    error

    string

    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"
        }
    }

Returned Values

  • Normal

    200

Error Codes

For details, see Error Codes.