重启实例或清空数据
功能介绍
重启运行中的DCS缓存实例。
清空Redis4.0及以上版本的实例数据,数据清空后,无法撤销,且无法恢复,请谨慎操作。
调用方法
请参见如何调用API。
URI
PUT /v2/{project_id}/instances/status
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。获取方法请参见获取项目ID。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
instances |
否 |
Array of strings |
实例的ID列表。 |
action |
否 |
String |
对实例的操作: restart: 强制重启 soft_restart: 软重启,只重启进程 flush: 清空数据 stop: 实例关机 start: 实例启动
说明:
目前只有Redis 4.0及以上版本实例支持清空数据、实例关机和实例启动功能。 |
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
results |
Array of BatchOpsResult objects |
删除/重启/清空实例的结果。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
请求示例
强制重启缓存实例。
PUT https://{dcs_endpoint}/v2/{project_id}/instances/status { "instances" : [ "2e803f66-fbb0-47ad-b6cb-fb87f5bed4ef" ], "action" : "restart" }
响应示例
状态码: 200
重启实例或清除实例数据成功。
{ "results" : [ { "instance" : "e3a7019c-8824-4c1a-8289-5300f19b9f64", "result" : "success" } ] }
SDK代码示例
SDK代码示例如下。
强制重启缓存实例。
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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.*; import java.util.List; import java.util.ArrayList; public class RestartOrFlushInstancesSolution { 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(); RestartOrFlushInstancesRequest request = new RestartOrFlushInstancesRequest(); ChangeInstanceStatusBody body = new ChangeInstanceStatusBody(); List<String> listbodyInstances = new ArrayList<>(); listbodyInstances.add("2e803f66-fbb0-47ad-b6cb-fb87f5bed4ef"); body.withAction("restart"); body.withInstances(listbodyInstances); request.withBody(body); try { RestartOrFlushInstancesResponse response = client.restartOrFlushInstances(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()); } } } |
强制重启缓存实例。
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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 = RestartOrFlushInstancesRequest() listInstancesbody = [ "2e803f66-fbb0-47ad-b6cb-fb87f5bed4ef" ] request.body = ChangeInstanceStatusBody( action="restart", instances=listInstancesbody ) response = client.restart_or_flush_instances(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
强制重启缓存实例。
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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.RestartOrFlushInstancesRequest{} var listInstancesbody = []string{ "2e803f66-fbb0-47ad-b6cb-fb87f5bed4ef", } actionChangeInstanceStatusBody:= "restart" request.Body = &model.ChangeInstanceStatusBody{ Action: &actionChangeInstanceStatusBody, Instances: &listInstancesbody, } response, err := client.RestartOrFlushInstances(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 |
重启实例或清除实例数据成功。 |
400 |
非法请求。 |
500 |
内部服务错误。 |
错误码
请参见错误码。