# 编辑主机集群 - UpdateHostCluster
#### 功能介绍
编辑主机集群。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-deployman/CloudDeploy_api_1001.html)。
#### URI
PUT /v1/resources/host-groups/{group_id}
表1路径参数 
| 参数       | 是否必选 | 参数类型   | 描述     |
|:---|:---|:---|:---|
| group_id | 是    | String | 主机集群id |
   
#### 请求参数
表2请求Header参数 
| 参数           | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|:---|:---|:---|:---|
| Content-Type | 是    | String | **参数解释**： 消息体的类型（格式）。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： application/json。                                                                                                            |
| X-Auth-Token | 是    | String | **参数解释**： 用户Token。 通过调用IAM服务[获取用户Token](https://support.huaweicloud.com/api-iam/iam_30_0001.html)接口获取（响应消息头中X-Subject-Token的值）。 **约束限制**： 不涉及。 **取值范围**： 字符串，长度不超过20000个字符。 **默认取值**： 不涉及。 |
   
表3请求Body参数 
| 参数               | 是否必选 | 参数类型   | 描述                         |
|:---|:---|:---|:---|
| name             | 是    | String | 主机集群名称                     |
| description      | 否    | String | 主机集群描述                     |
| slave_cluster_id | 否    | String | slave集群id，默认为空，为空时使用默认资源池。 |
   
#### 响应参数
**状态码：200**
表4响应Body参数 
| 参数     | 参数类型   | 描述       |
|:---|:---|:---|
| status | String | 请求成功失败状态 |
| id     | String | 主机集群id   |
   
#### 请求示例
编辑主机集群，可更新主机集群描述信息、主机集群名称、自定义资源池id等信息。
```
https://{endpoint}/v1/resources/host-groups/f8421b5e91684258afc1d92ec46f67a2
{
  "description" : "更新描述信息",
  "name" : "更新主机集群名称",
  "slave_cluster_id" : ""
}
```
#### 响应示例
**状态码：200**
OK 请求响应成功
```
{
  "status" : "success",
  "id" : "f8421b5e91684258afc1d92ec46f67a2"
}
```
#### SDK代码示例
SDK代码示例如下。
#### Java
编辑主机集群，可更新主机集群描述信息、主机集群名称、自定义资源池id等信息。
```
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.codeartsdeploy.v2.region.CodeArtsDeployRegion;
import com.huaweicloud.sdk.codeartsdeploy.v2.*;
import com.huaweicloud.sdk.codeartsdeploy.v2.model.*;
public class UpdateHostClusterSolution {
    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);
        CodeArtsDeployClient client = CodeArtsDeployClient.newBuilder()
                .withCredential(auth)
                .withRegion(CodeArtsDeployRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateHostClusterRequest request = new UpdateHostClusterRequest();
        request.withGroupId("{group_id}");
        HostClusterRequest body = new HostClusterRequest();
        body.withSlaveClusterId("");
        body.withDescription("更新描述信息");
        body.withName("更新主机集群名称");
        request.withBody(body);
        try {
            UpdateHostClusterResponse response = client.updateHostCluster(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
编辑主机集群，可更新主机集群描述信息、主机集群名称、自定义资源池id等信息。
```
# coding: utf-8
import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcodeartsdeploy.v2.region.codeartsdeploy_region import CodeArtsDeployRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcodeartsdeploy.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"]
    credentials = BasicCredentials(ak, sk)
    client = CodeArtsDeployClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CodeArtsDeployRegion.value_of("<YOUR REGION>")) \
        .build()
    try:
        request = UpdateHostClusterRequest()
        request.group_id = "{group_id}"
        request.body = HostClusterRequest(
            slave_cluster_id="",
            description="更新描述信息",
            name="更新主机集群名称"
        )
        response = client.update_host_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
编辑主机集群，可更新主机集群描述信息、主机集群名称、自定义资源池id等信息。
```
package main
import (
"fmt"
"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    codeartsdeploy "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/codeartsdeploy/v2"
"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/codeartsdeploy/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/codeartsdeploy/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 := codeartsdeploy.NewCodeArtsDeployClient(
        codeartsdeploy.CodeArtsDeployClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())
    request := &model.UpdateHostClusterRequest{}
request.GroupId = "{group_id}"
slaveClusterIdHostClusterRequest:= ""
descriptionHostClusterRequest:= "更新描述信息"
request.Body = &model.HostClusterRequest{
SlaveClusterId: &slaveClusterIdHostClusterRequest,
Description: &descriptionHostClusterRequest,
Name: "更新主机集群名称",
}
response, err := client.UpdateHostCluster(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/CodeArtsDeploy/sdk?api=UpdateHostCluster)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 | OK 请求响应成功 |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-deployman/ErrorCode.html)。