Help Center/ Elastic Volume Service/ API Reference/ OpenStack Cinder API v2/ EVS Snapshot/ Updating One Piece of Metadata for an EVS Snapshot
Updated on 2022-11-02 GMT+08:00

Updating One Piece of Metadata for an EVS Snapshot

Function

This API is used to update one piece of the EVS snapshot metadata.

URI

  • URI format

    PUT /v2/{project_id}/snapshots/{snapshot_id}/metadata/{key}

  • Parameter description

    Parameter

    Mandatory

    Description

    project_id

    Yes

    The project ID.

    For details about how to obtain the project ID, see Obtaining a Project ID.

    snapshot_id

    Yes

    The snapshot ID.

    key

    Yes

    The key of the metadata to be updated.

Request

  • Request parameters

    Parameter

    Type

    Mandatory

    Description

    meta

    Object

    Yes

    The metadata to be updated. For details, see Parameter in the metadata field.

  • Parameter in the metadata field

    Parameter

    Type

    Mandatory

    Description

    key_val

    String

    No

    A piece of metadata, which is made up of a key-value pair.

  • Example request
    {
        "meta": {
            "key1": "value1"
        }
    }

Response

  • Response parameters

    Parameter

    Type

    Description

    meta

    Object

    A piece of snapshot metadata, which is made up of a key-value pair.

    error

    Object

    The error message returned if an error occurs. For details, see Parameters in the error field.

  • Parameters in the error field

    Parameter

    Type

    Description

    message

    String

    The error message returned if an error occurs.

    code

    String

    The error code returned if an error occurs.

    For details about the error code, see Error Codes.

  • Example response
    {
        "meta": {
            "key1": "value1"
        }
    }

    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.