指定节点类型缩容
功能介绍
该接口用于集群对不同类型实例的个数以及存储容量进行缩容。包周期类型的集群不支持通过api进行指定节点类型缩容操作。
![](https://support.huaweicloud.com/api-css/public_sys-resources/note_3.0-zh-cn.png)
在缩容前,建议备份所有关键数据,以免造成数据丢失。
调用方法
请参见如何调用API。
URI
POST /v1.0/extend/{project_id}/clusters/{cluster_id}/role/shrink
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
shrink |
是 |
Array of ShrinkNodeReq objects |
参数解释: 需要缩容的节点类型和数量集合。 |
agency_name |
否 |
String |
参数解释: 委托名称,委托给CSS服务,允许CSS调用您的其他云服务。 约束限制: 对接了IAM新平面时该参数必填,对接IAM旧平面时该参数可选。 取值范围: 委托需要有VPC的操作权限:"vpc:subnets:get","vpc:ports:*"。 默认取值: 不涉及 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
reducedNodeNum |
是 |
Integer |
参数解释: 需要缩容的节点数量。
|
type |
是 |
String |
参数解释: 指定节点类型。 取值范围:
|
响应参数
无
请求示例
缩容集群,通过指定当前节点类型缩容。
POST /v1.0/6204a5bd270343b5885144cf9c8c158d/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/role/shrink { "shrink" : [ { "type" : "ess", "reducedNodeNum" : 1 } ] }
响应示例
无
SDK代码示例
SDK代码示例如下。
缩容集群,通过指定当前节点类型缩容。
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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.css.v1.region.CssRegion; import com.huaweicloud.sdk.css.v1.*; import com.huaweicloud.sdk.css.v1.model.*; import java.util.List; import java.util.ArrayList; public class UpdateShrinkClusterSolution { 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(); UpdateShrinkClusterRequest request = new UpdateShrinkClusterRequest(); request.withClusterId("{cluster_id}"); ShrinkClusterReq body = new ShrinkClusterReq(); List<ShrinkNodeReq> listbodyShrink = new ArrayList<>(); listbodyShrink.add( new ShrinkNodeReq() .withReducedNodeNum(1) .withType("ess") ); body.withShrink(listbodyShrink); request.withBody(body); try { UpdateShrinkClusterResponse response = client.updateShrinkCluster(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()); } } } |
缩容集群,通过指定当前节点类型缩容。
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# 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 = UpdateShrinkClusterRequest() request.cluster_id = "{cluster_id}" listShrinkbody = [ ShrinkNodeReq( reduced_node_num=1, type="ess" ) ] request.body = ShrinkClusterReq( shrink=listShrinkbody ) response = client.update_shrink_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) |
缩容集群,通过指定当前节点类型缩容。
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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 := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := css.NewCssClient( css.CssClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.UpdateShrinkClusterRequest{} request.ClusterId = "{cluster_id}" var listShrinkbody = []model.ShrinkNodeReq{ { ReducedNodeNum: int32(1), Type: "ess", }, } request.Body = &model.ShrinkClusterReq{ Shrink: listShrinkbody, } response, err := client.UpdateShrinkCluster(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 |
请求已成功。 |
400 |
非法请求。 建议直接修改该请求,不要重试该请求。 |
409 |
服务器在完成请求时发生冲突。 返回该状态码,表明客户端尝试创建的资源已经存在,或者由于冲突请求的更新操作不能被完成。 |
412 |
未满足前提条件,服务器未满足请求者在请求中设置的其中一个前提条件。 |
错误码
请参见错误码。