# 元数据管理
| 权限                                                                                           | 对应的API接口                                                        | 授权项（Action）                     | 依赖的授权项          | IAM项目 (Project) | 企业项目 (Enterprise Project) | 实例授权 | 标签授权 |
|:---|:---|:---|:---|:---|:---|:---|:---|
| [查询云服务器元数据列表（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1004.html)     | GET /v2.1/{project_id}/servers/{server_id}/metadata             | ecs:servers:listMetadata        | -               | √                                           | ×                                                       | ×    | ×    |
| [获取云服务器指定Key的元数据（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1005.html) | GET /v2.1/{project_id}/servers/{server_id}/metadata/{key}       | ecs:servers:getMetadata         | ecs:servers:get | √                                           | ×                                                       | ×    | ×    |
| [删除云服务器指定元数据（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1003.html)     | DELETE /v2.1/{project_id}/servers/{server_id}/metadata/{key}    | ecs:servers:setMetadata         | ecs:servers:get | √                                           | ×                                                       | ×    | ×    |
| [修改云服务器指定Key的元数据（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1006.html) | PUT /v2.1/{project_id}/servers/{server_id}/metadata/{key}       | ecs:servers:setMetadata         | ecs:servers:get | √                                           | ×                                                       | ×    | ×    |
| [更新云服务器元数据（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1001.html)       | POST /v2.1/{project_id}/servers/{server_id}/metadata            | ecs:servers:setMetadata         | ecs:servers:get | √                                           | ×                                                       | ×    | ×    |
| [设置云服务器元数据（OpenStack原生）（废弃）](https://support.huaweicloud.com/api-ecs/ecs_03_1002.html)       | PUT /v2.1/{project_id}/servers/{server_id}/metadata             | ecs:servers:setMetadata         | ecs:servers:get | √                                           | ×                                                       | ×    | ×    |
| [更新云服务器元数据](https://support.huaweicloud.com/api-ecs/ecs_02_0701.html)                        | POST /v1/{project_id}/cloudservers/{server_id}/metadata         | ecs:cloudServers:updateMetadata | -               | √                                           | √                                                       | ×    | ×    |
| [删除云服务器指定元数据](https://support.huaweicloud.com/api-ecs/ecs_02_0702.html)                      | DELETE /v1/{project_id}/cloudservers/{server_id}/metadata/{key} | ecs:cloudServers:deleteMetadata | -               | √                                           | √                                                       | ×    | ×    |