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示例1：创建弹性云服务器备份

场景描述

本章节指导用户通过API创建云服务器备份。API的调用方法请参见如何调用API 。

创建备份时，支持云服务器或磁盘等资源备份。本节以云服务器为例，介绍如何创建云服务器备份。

约束限制

该接口以创建按需计费的存储库为例。

涉及接口

创建云服务器备份时，需要进行创建备份的容器存储库，将服务器或磁盘等资源挂载至存储库，为服务器或磁盘等资源创建备份。涉及的接口如下：

操作步骤

  1. 创建存储库。
    1. 创建简单配置的存储库。
      • 接口相关信息

        URI格式：POST /v3/{project_id}/vaults

        详情请参见创建存储库。

      • 请求示例

        POST: https://{endpoint}/v3/{project_id}/vaults

        {endpoint}信息请从地区和终端节点获取。

        Body:

        {
    "vault": {
           "billing": {
                  "cloud_type": "public",
                  "consistent_level": "crash_consistent",
                  "object_type": "server",
                  "protect_type": "backup",
                  "size": 200
           },
           "name": "my_vault",
           "resources": []
    }
}
      • 响应示例 
        {
    "vault": {
        "id": "ea7b8717-2543-478a-a92d-3ca7ee448f67",
        "name": "my_vault",
        "description": null,
        "resources": [],
        "provider_id": "0daac4c5-6707-4851-97ba-169e36266b66",
        "created_at": "2020-08-17T03:51:24.678916",
        "project_id": "0605767b5780d5762fc5c0118072a564",
        "enterprise_project_id": "0",
        "auto_bind": false,
        "bind_rules": {},
        "user_id": "aa2999fa5ae640f28926f8fd79188934",
        "billing": {
            "allocated": 0,
            "cloud_type": "public",
            "consistent_level": "crash_consistent",
            "frozen_scene": null,
            "charging_mode": "post_paid",
            "order_id": null,
            "product_id": null,
            "protect_type": "backup",
            "object_type": "server",
            "spec_code": "vault.backup.server.normal",
            "used": 0,
            "storage_unit": null,
            "status": "available",
            "size": 200
        },
        "tags": []
    }
}
    2. 创建包周期存储库并直接绑定服务器。
      • 接口相关信息

        URI格式：POST /v3/{project_id}/vaults

        接口与步骤a保持一致。

      • 请求示例

        POST: https://{endpoint}/v3/{project_id}/vaults

        {endpoint}信息请从地区和终端节点获取。

        Body：

        {
    "vault": {
           "billing": {
                  "cloud_type": "public",
                  "consistent_level": "crash_consistent",
                  "object_type": "server",
                  "protect_type": "backup",
                  "size": 100,
                  "charging_mode": "pre_paid",
                  "period_type": "month",
                  "period_num": 1,
                  "is_auto_renew": false,
                  "is_auto_pay": false
           },
           "description": "vault_description",
           "name": "vault_name",
           "resources": [{
                  "id": "97595625-198e-4e4d-879b-9d53f68ba551",
                  "type": "OS::Nova::Server"
           }]
    }
}
    3. 记录响应消息体中存储库ID。
  2. 为存储库添加保护资源，将服务器/磁盘绑定到存储库中。
    1. 添加资源
      • 接口相关信息

        URI格式：POST /v3/{project_id}/vaults/{vault_id}/addresources

        详情请参见添加资源。

      • 请求示例

        POST: https://{endpoint}/v3/0605767b5780d5762fc5c0118072a564 /vaults/ea7b8717-2543-478a-a92d-3ca7ee448f67/addresources

        {endpoint}信息请从地区和终端节点获取。

        Body：

        {
    "resources": [{
           "id": "e8cc6bfd-d324-4b88-9109-9fb0ba70676f",
           "type": "OS::Nova::Server",
           "name": "server-4690-0002" 
    }]
}
      • 响应示例 
        {
    "add_resource_ids": [
        "e8cc6bfd-d324-4b88-9109-9fb0ba70676f"
    ]
}
    2. 请求体中根据需要选择运行中且没有绑定存储库的云服务器ID。
  3. 创建备份还原点。
    1. 创建备份还原点。
      • 接口相关信息

        URI格式：POST /v3/{project_id}/checkpoints

        详情请参见创建备份还原点。

      • 请求示例

        POST: https://{endpoint}/v3/0605767b5780d5762fc5c0118072a564/checkpoints

        {endpoint}信息请从地区和终端节点获取。

        Body：

        {
    "checkpoint": {
        "parameters": {
            "auto_trigger": false,
            "description": "backupauto",
            "incremental": true,
            "name": "backup_auto",
            "resources": ["e8cc6bfd-d324-4b88-9109-9fb0ba70676f"]
          },
        "vault_id": "ea7b8717-2543-478a-a92d-3ca7ee448f67"
    }
}
      • 响应示例 
        {
    "checkpoint": {
        "id": "d9ce6924-d753-4132-bd16-a9f8838ea7d2",
        "project_id": "0605767b5780d5762fc5c0118072a564",
        "status": "protecting",
        "vault": {
            "id": "ea7b8717-2543-478a-a92d-3ca7ee448f67",
            "name": "my_vault",
            "resources": [
                {
                    "id": "e8cc6bfd-d324-4b88-9109-9fb0ba70676f",
                    "type": "OS::Nova::Server",
                    "name": "ecs-9f93-0002",
                    "extra_info": "{}",
                    "resource_size": "40",
                    "backup_size": "0",
                    "backup_count": "0",
                    "protect_status": "available"
                }
            ],
            "skipped_resources": []
        },
        "created_at": "2020-08-17T06:49:06.307378",
        "extra_info": {
            "name": "backup_auto",
            "description": "backupauto",
            "retention_duration": -1
        }
    }
}
    2. 记录响应消息体中备份还原点ID。
  4. 确认服务器备份成功。
    • 接口相关信息

      URI格式：GET /v3/{project_id}/checkpoints/{checkpoint_id}

      详情请参见查询备份还原点 。

      {endpoint}信息请从地区和终端节点获取。

    • 请求示例

      GET: https://{endpoint}/v3/0605767b5780d5762fc5c0118072a564/checkpoints/d9ce6924-d753-4132-bd16-a9f8838ea7d2

    • 响应示例 
      {
    "checkpoint": {
        "id": "d9ce6924-d753-4132-bd16-a9f8838ea7d2",
        "project_id": "0605767b5780d5762fc5c0118072a564",
        "status": "available",
        "vault": null,
        "created_at": "2020-08-17T06:49:06.260790",
        "extra_info": null
    }
}
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