列出角色

每个角色都具有以下摘要属性。有关角色属性的完整说明，请参见 CLI 帮助。

请求示例：

GET /api/role/v1/roles HTTP/1.1
Authorization: Basic abcefgMWE=
Host: zfssa.example.com:215
Accept: application/json

响应示例：

{
    "roles": [{
        "description": "Basic administration",
        "href": "/api/role/v1/roles/basic",
        "name": "basic",
        "role": "basic"
    }, {
        "description": "a",
        "href": "/api/role/v1/roles/rola",
        "name": "rola",
        "role": "rola"
    }]
}