Querying EVS Disks

Function

This API is used to query EVS disks.

URI

  • URI format

    GET /v2/{project_id}/volumes

  • 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.

  • Request filter parameters

    Parameter

    Type

    Mandatory

    Description

    marker

    String

    No

    The ID of the resource from which the pagination query starts. It is the ID of the last resource on the previous page.

    name

    String

    No

    The disk name. The value can contain a maximum of 255 bytes.

    limit

    Integer

    No

    The maximum number of query results that can be returned.

    The value ranges from 1 to 1000, and the default value is 1000. The returned value cannot exceed this limit.

    If the tenant has more than 50 disks in total, you are advised to use this parameter and set its value to 50 to improve the query efficiency. Examples are provided as follows:

    GET /v2/xxx/volumes?limit=50: Queries the 1-50 disks. GET /v2/xxx/volumes?offset=50&limit=50: Queries the 51-100 disks.

    sort_key

    String

    No

    The keyword based on which the returned results are sorted. The value can be id, status, size, or created_at, and the default value is created_at.

    sort_dir

    String

    No

    The result sorting order. The default value is desc.

    • desc: the descending order

    • asc: the ascending order

    offset

    Integer

    No

    The query offset.

    All disks after this offset will be queried. The value must be an integer greater than 0 but less than the number of disks.

    status

    String

    No

    The disk status. For details, see EVS Disk Status.

    metadata

    String

    No

    The disk metadata.

    availability_zone

    String

    No

    The AZ information.

Request

The following example shows how to query the disks in the available state.

  • Example request

    GET https://{endpoint}/v2/{project_id}/volumes?status=available
    

Response

  • Response parameters

    Parameter

    Type

    Description

    volumes

    list

    The list of queried disks. For details, see Parameters in the volumes field.

    volumes_links

    list

    The query position marker in the disk list. If only some disks are returned in this query, the URL of the last disk queried will be returned. You can use this URL to continue to query the remaining disks in the next query.

    error

    Object

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

  • Parameters in the volumes field

    Parameter

    Type

    Description

    id

    String

    The disk ID.

    links

    list<map<String, String>>

    The disk URI. For details, see Parameters in the links field.

    name

    String

    The disk name. The value can contain a maximum of 255 bytes.

  • Parameters in the links field

    Parameter

    Type

    Description

    href

    String

    The corresponding shortcut link.

    rel

    String

    The shortcut link marker name.

  • 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

    {
        "volumes": [
            {
                "id": "6b604cef-9bd8-4f5a-ae56-45839e6e1f0a",
                "links": [
                    {
                        "href": "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes/6b604cef-9bd8-4f5a-ae56-45839e6e1f0a",
                        "rel": "self"
                    },
                    {
                        "href": "https://volume.localdomain.com:8776/dd14c6ac581f40059e27f5320b60bf2f/volumes/6b604cef-9bd8-4f5a-ae56-45839e6e1f0a",
                        "rel": "bookmark"
                    }
                ],
                "name": "zjb_u25_test"
            },
            {
                "id": "2bce4552-9a7d-48fa-8484-abbbf64b206e",
                "links": [
                    {
                        "href": "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes/2bce4552-9a7d-48fa-8484-abbbf64b206e",
                        "rel": "self"
                    },
                    {
                        "href": "https://volume.localdomain.com:8776/dd14c6ac581f40059e27f5320b60bf2f/volumes/2bce4552-9a7d-48fa-8484-abbbf64b206e",
                        "rel": "bookmark"
                    }
                ],
                "name": "zjb_u25_test"
            },
            {
                "id": "3f1b98ec-a8b5-4e92-a727-88def62d5ad3",
                "links": [
                    {
                        "href": "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes/3f1b98ec-a8b5-4e92-a727-88def62d5ad3",
                        "rel": "self"
                    },
                    {
                        "href": "https://volume.localdomain.com:8776/dd14c6ac581f40059e27f5320b60bf2f/volumes/3f1b98ec-a8b5-4e92-a727-88def62d5ad3",
                        "rel": "bookmark"
                    }
                ],
                "name": "zjb_u25_test"
            }
        ],
        "volumes_links": [
            {
                "href": "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes?limit=3&marker=3f1b98ec-a8b5-4e92-a727-88def62d5ad3",
                "rel": "next"
            }
        ]
    }
    

    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.