文档首页> 云硬盘 EVS> API参考> API> 快照管理> 回滚快照到云硬盘
更新时间:2024-01-02 GMT+08:00
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回滚快照到云硬盘

功能介绍

将快照数据回滚到云硬盘。支持企业项目授权功能。

接口约束

  • 只支持快照回滚到源云硬盘,不支持快照回滚到其它指定云硬盘。

  • 只有云硬盘状态处于“available”或“error_rollbacking”状态才允许快照回滚到源云硬盘。

  • 名称以autobk_snapshot_为前缀的快照是创建云硬盘备份时系统自动创建的,请不要进行“回滚快照到云硬盘”操作。

调用方法

请参见如何调用API

URI

POST /v2/{project_id}/cloudsnapshots/{snapshot_id}/rollback

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID。 获取方法请参见"获取项目ID"。

snapshot_id

String

快照ID

请求参数

表2 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

用户Token。 通过调用IAM服务获取用户Token接口获取(响应消息头中X-Subject-Token的值)。

表3 请求Body参数

参数

是否必选

参数类型

描述

rollback

RollbackSnapshotOption object

快照回滚信息。

表4 RollbackSnapshotOption

参数

是否必选

参数类型

描述

name

String

回滚的目标云硬盘名称。

volume_id

String

回滚的目标云硬盘UUID。

响应参数

状态码: 202

表5 响应Body参数

参数

参数类型

描述

rollback

RollbackInfo object

快照回滚信息。

表6 RollbackInfo

参数

参数类型

描述

volume_id

String

回滚的目标云硬盘UUID。

状态码: 400

表7 响应Body参数

参数

参数类型

描述

error

Error object

出现错误时,返回的错误码。错误码和其对应的含义请参考错误码说明

表8 Error

参数

参数类型

描述

code

String

出现错误时,返回的错误码。错误码和其对应的含义请参考错误码说明

message

String

出现错误时,返回的错误消息。

请求示例

回滚快照到云硬盘,目标云硬盘的名称为test-001,UUID为5aa119a8-d25b-45a7-8d1b-88e127885635。

POST https://{endpoint}/v2/{project_id}/cloudsnapshots/{snapshot_id}/rollback

{
  "rollback" : {
    "name" : "test-001",
    "volume_id" : "5aa119a8-d25b-45a7-8d1b-88e127885635"
  }
}

响应示例

状态码: 202

Accepted

{
  "rollback" : {
    "volume_id" : "5aa119a8-d25b-45a7-8d1b-88e127885635"
  }
}

状态码: 400

Bad Request

{
  "error" : {
    "message" : "XXXX",
    "code" : "XXX"
  }
}

SDK代码示例

SDK代码示例如下。

Java

回滚快照到云硬盘,目标云硬盘的名称为test-001,UUID为5aa119a8-d25b-45a7-8d1b-88e127885635。

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.evs.v2.region.EvsRegion;
import com.huaweicloud.sdk.evs.v2.*;
import com.huaweicloud.sdk.evs.v2.model.*;


public class RollbackSnapshotSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        EvsClient client = EvsClient.newBuilder()
                .withCredential(auth)
                .withRegion(EvsRegion.valueOf("<YOUR REGION>"))
                .build();
        RollbackSnapshotRequest request = new RollbackSnapshotRequest();
        RollbackSnapshotRequestBody body = new RollbackSnapshotRequestBody();
        RollbackSnapshotOption rollbackbody = new RollbackSnapshotOption();
        rollbackbody.withName("test-001")
            .withVolumeId("5aa119a8-d25b-45a7-8d1b-88e127885635");
        body.withRollback(rollbackbody);
        request.withBody(body);
        try {
            RollbackSnapshotResponse response = client.rollbackSnapshot(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

回滚快照到云硬盘,目标云硬盘的名称为test-001,UUID为5aa119a8-d25b-45a7-8d1b-88e127885635。

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkevs.v2.region.evs_region import EvsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkevs.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.getenv("CLOUD_SDK_AK")
    sk = os.getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

    client = EvsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(EvsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = RollbackSnapshotRequest()
        rollbackbody = RollbackSnapshotOption(
            name="test-001",
            volume_id="5aa119a8-d25b-45a7-8d1b-88e127885635"
        )
        request.body = RollbackSnapshotRequestBody(
            rollback=rollbackbody
        )
        response = client.rollback_snapshot(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

回滚快照到云硬盘,目标云硬盘的名称为test-001,UUID为5aa119a8-d25b-45a7-8d1b-88e127885635。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    evs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := evs.NewEvsClient(
        evs.EvsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.RollbackSnapshotRequest{}
	nameRollback:= "test-001"
	rollbackbody := &model.RollbackSnapshotOption{
		Name: &nameRollback,
		VolumeId: "5aa119a8-d25b-45a7-8d1b-88e127885635",
	}
	request.Body = &model.RollbackSnapshotRequestBody{
		Rollback: rollbackbody,
	}
	response, err := client.RollbackSnapshot(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

202

Accepted

400

Bad Request

错误码

请参见错误码

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