
# 重启集群（已废弃） - RestartCluster
#### 功能介绍
此接口用于重启Elasticsearch或OpenSearch集群的数据节点，重启过程中将导致业务中断。如果要重启集群的全部节点或其他节点类型，建议使用[重启集群V2](https://support.huaweicloud.com/api-css/RestartClusterMultiRole.html)。
#### 接口约束
当集群处于可用状态时，确认集群已停止处理业务数据（如导入数据、搜索数据），否则重启集群时可能导致数据丢失等。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-css/css_03_0077.html)。
#### 授权信息
账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-css/css_03_0096.html)。
- 如果使用身份策略授权，需具备如下身份策略权限。
  
  | 授权项                 | 访问级别  | 资源类型（\*为必须） | 条件键                                                                                                                                                                                                                                                                                                                                      | 别名 | 依赖的授权项 |
  |:---|:---|:---|:---|:---|:---|
  | css:cluster:restart | Write | cluster \*  | - g:EnterpriseProjectId   - g:ResourceTag/\<tag-key\>    | -  | -      |
     
  
 
#### URI
POST /v1.0/{project_id}/clusters/{cluster_id}/restart
表1路径参数 
| 参数         | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                            |
|:---|:---|:---|:---|
| project_id | 是    | String | **参数解释**： 项目ID。获取方法请参见[获取项目ID和名称](https://support.huaweicloud.com/api-css/css_03_0071.html)。 **约束限制**： 不涉及 **取值范围**： 账户的项目ID，长度为32个字符，由小写字母和数字组成。 **默认取值**： 不涉及 |
| cluster_id | 是    | String | **参数解释**： 指定重启的集群ID。获取方法请参见[获取集群ID](https://support.huaweicloud.com/api-css/css_03_0101.html)。 **约束限制**： 不涉及 **取值范围**： UUID格式，36个字符。 **默认取值**： 不涉及              |
   
#### 请求参数
无
#### 响应参数
**状态码：200**
请求成功。
无
#### 请求示例
重启集群的数据节点。
```
POST https://{Endpoint}/v1.0/{project_id}/clusters/47e49a5e-8ced-4d0d-ae15-2af62ac468e3/restart
```
#### 响应示例
无
#### SDK代码示例
SDK代码示例如下。
- [Java]
  ```
  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.css.v1.region.CssRegion;
  import com.huaweicloud.sdk.css.v1.*;
  import com.huaweicloud.sdk.css.v1.model.*;
  public class RestartClusterSolution {
      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);
          CssClient client = CssClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(CssRegion.valueOf("<YOUR REGION>"))
                  .build();
          RestartClusterRequest request = new RestartClusterRequest();
          request.withClusterId("{cluster_id}");
          try {
              RestartClusterResponse response = client.restartCluster(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]
  ```
  # coding: utf-8
  import os
  from huaweicloudsdkcore.auth.credentials import BasicCredentials
  from huaweicloudsdkcss.v1.region.css_region import CssRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdkcss.v1 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 = CssClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(CssRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = RestartClusterRequest()
          request.cluster_id = "{cluster_id}"
          response = client.restart_cluster(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]
  ```
  package main
  import (
  "fmt"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
      css "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/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, err := basic.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          WithProjectId(projectId).
          SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      hcClient, err := css.CssClientBuilder().
           WithRegion(region.ValueOf("<YOUR REGION>")).
           WithCredential(auth).
           SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      client := css.NewCssClient(hcClient)
      request := &model.RestartClusterRequest{}
  request.ClusterId = "{cluster_id}"
  response, err := client.RestartCluster(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](https://console.huaweicloud.com/apiexplorer/#/openapi/CSS/sdk?api=RestartCluster&version=v1)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 | 请求成功。                                                           |
| 400 | 非法请求。 建议直接修改该请求，不要重试该请求。      |
| 404 | 所请求的资源不存在。 建议直接修改该请求，不要重试该请求。 |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-css/css_03_0076.html)。
