指定节点缩容
功能介绍
该接口可以对集群现有节点中指定节点进行缩容。包周期类型的集群不支持通过api进行指定节点缩容操作。
调用方法
请参见如何调用API。
URI
POST /v1.0/{project_id}/clusters/{cluster_id}/node/offline
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和名称。 |
cluster_id |
是 |
String |
指定待缩容的集群ID。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
migrate_data |
否 |
String |
是否迁移数据。默认为"true"。
|
shrinkNodes |
是 |
Array of strings |
需要缩容的节点ID。 通过查询集群详情获取instances中的id属性。 |
响应参数
无
请求示例
缩容集群,通过指定节点方式缩容。
POST /v1.0/6204a5bd270343b5885144cf9c8c158d/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/node/offline { "shrinkNodes" : [ "2077bdf3-b90d-412e-b460-635b9b159c11" ], "migrate_data" : "true" }
响应示例
无
SDK代码示例
SDK代码示例如下。
缩容集群,通过指定节点方式缩容。
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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 UpdateShrinkNodesSolution { 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); CssClient client = CssClient.newBuilder() .withCredential(auth) .withRegion(CssRegion.valueOf("<YOUR REGION>")) .build(); UpdateShrinkNodesRequest request = new UpdateShrinkNodesRequest(); ShrinkNodesReq body = new ShrinkNodesReq(); List<String> listbodyShrinkNodes = new ArrayList<>(); listbodyShrinkNodes.add("2077bdf3-b90d-412e-b460-635b9b159c11"); body.withShrinkNodes(listbodyShrinkNodes); body.withMigrateData("true"); request.withBody(body); try { UpdateShrinkNodesResponse response = client.updateShrinkNodes(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,通过指定节点方式缩容。
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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"] credentials = BasicCredentials(ak, sk) client = CssClient.new_builder() \ .with_credentials(credentials) \ .with_region(CssRegion.value_of("<YOUR REGION>")) \ .build() try: request = UpdateShrinkNodesRequest() listShrinkNodesbody = [ "2077bdf3-b90d-412e-b460-635b9b159c11" ] request.body = ShrinkNodesReq( shrink_nodes=listShrinkNodesbody, migrate_data="true" ) response = client.update_shrink_nodes(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,通过指定节点方式缩容。
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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") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := css.NewCssClient( css.CssClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.UpdateShrinkNodesRequest{} var listShrinkNodesbody = []string{ "2077bdf3-b90d-412e-b460-635b9b159c11", } migrateDataShrinkNodesReq:= "true" request.Body = &model.ShrinkNodesReq{ ShrinkNodes: listShrinkNodesbody, MigrateData: &migrateDataShrinkNodesReq, } response, err := client.UpdateShrinkNodes(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。