列出快照

列出设备上的可用快照。列表可包含项目快照、文件系统快照或 LUN 快照，具体取决于请求 URI。

请求示例：

GET /api/storage/v1/pools/gold/projects/default/snapshots
Accept: application/json

响应示例：

HTTP/1.1 200 OK
Content-Type: application/json

{
    "snapshots": [{
        "id": "3fbbcccf-d058-4502-8844-6feeffdf4cb5",
        "display_name": "snap-001",
        “display_description": "Daily backup",
        "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
        "status": "available",
        "size": 30,
        "created_at": "2012-02-29T03:50:07Z"
    }, {
        "id": "e479997c-650b-40a4-9dfe-77655818b0d2",
        "display_name": "snap-002",
        "display_description": "Weekly backup",
        "volume_id": "76b8950a-8594-4e5b-8dce-0dfa9c696358",
        "status": "available",
        "size": 25,
        "created_at": "2012-03-19T01:52:47Z"
    }]
}