减少数据库代理节点的数量
功能介绍
缩容数据库代理节点的数量。
DeC专属云账号暂不支持数据库代理。
调用方法
请参见如何调用API。
URI
PUT /v3/{project_id}/instances/{instance_id}/proxy/{proxy_id}/reduce
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
租户在某一Region下的project ID。 获取方法请参见获取项目ID。 |
instance_id |
是 |
String |
实例ID,严格匹配UUID规则。 |
proxy_id |
是 |
String |
数据库代理ID,严格匹配UUID规则。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
用户Token。 通过调用IAM服务获取用户Token接口获取。 请求响应成功后在响应消息头中包含的“X-Subject-Token”的值即为Token值。 |
X-Language |
否 |
String |
请求语言类型。默认en-us。 取值范围:
|
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
node_num |
是 |
Integer |
数据库代理节点缩容操作需要减少的节点数。 缩容的节点数的取值范围:1~14之间的整数。 限制条件:该实例的数据库代理节点的总数量小于等于16,大于等于2。 |
响应参数
状态码: 201
参数 |
参数类型 |
描述 |
---|---|---|
job_id |
String |
任务ID。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码。 |
error_msg |
String |
错误消息。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码。 |
error_msg |
String |
错误消息。 |
请求示例
缩容数据库代理节点。
PUT https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/61a4ea66210545909d74a05c27a7179ein07/proxy/151c14381ac14ecfb9703a745b992677po01/reduce { "node_num" : 1 }
响应示例
状态码: 201
Success.
{ "job_id" : "04efe8e2-9255-44ae-a98b-d87cae411890" }
SDK代码示例
SDK代码示例如下。
缩容数据库代理节点。
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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.gaussdb.v3.region.GaussDBRegion; import com.huaweicloud.sdk.gaussdb.v3.*; import com.huaweicloud.sdk.gaussdb.v3.model.*; public class ShrinkGaussMySqlProxySolution { 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); GaussDBClient client = GaussDBClient.newBuilder() .withCredential(auth) .withRegion(GaussDBRegion.valueOf("<YOUR REGION>")) .build(); ShrinkGaussMySqlProxyRequest request = new ShrinkGaussMySqlProxyRequest(); request.withInstanceId("{instance_id}"); request.withProxyId("{proxy_id}"); ShrinkGaussMySqlProxyRequestBody body = new ShrinkGaussMySqlProxyRequestBody(); body.withNodeNum(1); request.withBody(body); try { ShrinkGaussMySqlProxyResponse response = client.shrinkGaussMySqlProxy(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()); } } } |
缩容数据库代理节点。
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkgaussdb.v3 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 = GaussDBClient.new_builder() \ .with_credentials(credentials) \ .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShrinkGaussMySqlProxyRequest() request.instance_id = "{instance_id}" request.proxy_id = "{proxy_id}" request.body = ShrinkGaussMySqlProxyRequestBody( node_num=1 ) response = client.shrink_gauss_my_sql_proxy(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
缩容数据库代理节点。
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/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 := gaussdb.NewGaussDBClient( gaussdb.GaussDBClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ShrinkGaussMySqlProxyRequest{} request.InstanceId = "{instance_id}" request.ProxyId = "{proxy_id}" request.Body = &model.ShrinkGaussMySqlProxyRequestBody{ NodeNum: int32(1), } response, err := client.ShrinkGaussMySqlProxy(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 |
---|---|
201 |
Success. |
400 |
Client error. |
500 |
Server error. |
错误码
请参见错误码。