更新时间:2025-08-05 GMT+08:00

备份指定实例

功能介绍

备份指定的缓存实例。

只有主备和集群类型的缓存实例支持备份恢复操作,单机实例不支持备份恢复操作。

调用方法

请参见如何调用API

URI

POST /v2/{project_id}/instances/{instance_id}/backups

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

参数解释

项目ID。获取方法请参见获取项目ID

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

instance_id

String

参数解释

实例ID。可通过DCS控制台进入实例详情界面查看。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

请求参数

表2 请求Body参数

参数

是否必选

参数类型

描述

remark

String

参数解释

备份缓存实例的备注信息。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

backup_format

String

参数解释

备份缓存实例的格式。

约束限制

不涉及。

取值范围

  • aof

  • rdb

默认取值

rdb

响应参数

状态码:200

表3 响应Body参数

参数

参数类型

描述

backup_id

String

参数解释

备份记录ID。

取值范围

不涉及。

状态码:400

表4 响应Body参数

参数

参数类型

描述

error_msg

String

参数解释

错误信息。

取值范围

不涉及。

error_code

String

参数解释

错误码。

取值范围

请参见错误码

error_ext_msg

String

参数解释

扩展错误信息(暂未使用,赋值为null)。

取值范围

不涉及。

状态码:500

表5 响应Body参数

参数

参数类型

描述

error_msg

String

参数解释

错误信息。

取值范围

不涉及。

error_code

String

参数解释

错误码。

取值范围

请参见错误码

error_ext_msg

String

参数解释

扩展错误信息(暂未使用,赋值为null)。

取值范围

不涉及。

请求示例

备份指定的缓存实例,格式为aof。

POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/backups

{
  "remark" : "Backup instances",
  "backup_format" : "aof"
}

响应示例

状态码:200

参数解释

备份指定缓存实例成功。

{
  "backup_id" : "548ceeff-2cbb-47ab-9a1c-7b085a8c08d7"
}

SDK代码示例

SDK代码示例如下。

备份指定的缓存实例,格式为aof。

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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.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;


public class CopyInstanceSolution {

    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");
        String projectId = "{project_id}";

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

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        CopyInstanceRequest request = new CopyInstanceRequest();
        request.withInstanceId("{instance_id}");
        BackupInstanceBody body = new BackupInstanceBody();
        body.withBackupFormat(BackupInstanceBody.BackupFormatEnum.fromValue("aof"));
        body.withRemark("Backup instances");
        request.withBody(body);
        try {
            CopyInstanceResponse response = client.copyInstance(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());
        }
    }
}

备份指定的缓存实例,格式为aof。

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.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.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

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

    try:
        request = CopyInstanceRequest()
        request.instance_id = "{instance_id}"
        request.body = BackupInstanceBody(
            backup_format="aof",
            remark="Backup instances"
        )
        response = client.copy_instance(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

备份指定的缓存实例,格式为aof。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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")
    projectId := "{project_id}"

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

    client := dcs.NewDcsClient(
        dcs.DcsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CopyInstanceRequest{}
	request.InstanceId = "{instance_id}"
	backupFormatBackupInstanceBody:= model.GetBackupInstanceBodyBackupFormatEnum().AOF
	remarkBackupInstanceBody:= "Backup instances"
	request.Body = &model.BackupInstanceBody{
		BackupFormat: &backupFormatBackupInstanceBody,
		Remark: &remarkBackupInstanceBody,
	}
	response, err := client.CopyInstance(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

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

200

参数解释

备份指定缓存实例成功。

400

参数解释

非法请求。

500

参数解释

内部服务错误。

错误码

请参见错误码