更新时间:2024-05-17 GMT+08:00
集群缩容
功能介绍
该接口用于缩容集群。
调用方法
请参见如何调用API。
URI
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POST /v1.0/{project_id}/clusters/{cluster_id}/cluster-shrink |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
shrink_number |
是 |
Integer |
缩容数。
|
online |
是 |
Boolean |
在线缩容。 |
type |
是 |
String |
数据库类型。
|
retry |
否 |
Boolean |
重试。 |
force_backup |
是 |
Boolean |
执行备份。 |
need_agency |
是 |
Boolean |
是否需要委托。缩容长时间执行需要用户授权委托,未授权委托可能缩容失败。 |
响应参数
参数 |
参数类型 |
描述 |
---|---|---|
job_id |
String |
缩容的任务ID。 |
请求示例
离线缩容ID为“4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90”的标准数仓集群3个节点,并执行备份,不执行委托:
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POST https://{Endpoint} /v1.0/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/cluster-shrink { "shrink_number": 3, "online": false, "type": "dws", "force_backup": true, "need_agency": false } |
响应示例
状态码: 200
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{ "job_id":"89cd04f168b84af6be287f71730fdb4b" } |
SDK代码示例
SDK代码示例如下。
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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.dws.v2.region.DwsRegion; import com.huaweicloud.sdk.dws.v2.*; import com.huaweicloud.sdk.dws.v2.model.*; public class ShrinkClusterSolution { 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); DwsClient client = DwsClient.newBuilder() .withCredential(auth) .withRegion(DwsRegion.valueOf("cn-north-4")) .build(); ShrinkClusterRequest request = new ShrinkClusterRequest(); ClusterShrinkReq body = new ClusterShrinkReq(); body.withNeedAgency(false); body.withForceBackup(true); body.withType("dws"); body.withOnline(false); body.withShrinkNumber(3); request.withBody(body); try { ShrinkClusterResponse response = client.shrinkCluster(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()); } } } |
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# coding: utf-8 from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdws.v2.region.dws_region import DwsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdws.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.getenv("CLOUD_SDK_AK") sk = os.getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = DwsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DwsRegion.value_of("cn-north-4")) \ .build() try: request = ShrinkClusterRequest() request.body = ClusterShrinkReq( need_agency=False, force_backup=True, type="dws", online=False, shrink_number=3 ) response = client.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) |
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/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 := dws.NewDwsClient( dws.DwsClientBuilder(). WithRegion(region.ValueOf("cn-north-4")). WithCredential(auth). Build()) request := &model.ShrinkClusterRequest{} request.Body = &model.ClusterShrinkReq{ NeedAgency: false, ForceBackup: true, Type: "dws", Online: false, ShrinkNumber: int32(3), } response, err := client.ShrinkCluster(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 |
缩容请求下发成功。 |
400 |
请求错误。 |
401 |
鉴权失败。 |
403 |
没有操作权限。 |
404 |
找不到资源。 |
500 |
服务内部错误。 |
503 |
服务不可用。 |