扩容数据库代理节点的数量
功能介绍
扩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
POST /v3/{project_id}/instances/{instance_id}/proxy/enlarge
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
参数解释: 租户在某一Region下的project ID。 获取方法请参见获取项目ID。 约束限制: 不涉及。 取值范围: 只能由英文字母、数字组成,且长度为32个字符。 默认取值: 不涉及。 |
instance_id |
是 |
String |
参数解释: 实例ID,此参数是实例的唯一标识。 约束限制: 不涉及。 取值范围: 只能由英文字母、数字组成,后缀为in07,长度为36个字符。 默认取值: 不涉及。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
参数解释: 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。 约束限制: 不涉及。 取值范围: 不涉及。 默认取值: 不涉及。 |
X-Language |
否 |
String |
参数解释: 请求语言类型。 约束限制: 不涉及。 取值范围:
默认取值: en-us。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
node_num |
是 |
Integer |
参数解释: 数据库代理节点扩容操作需要扩容的节点数。 约束限制: 该实例的数据库代理节点的总数量小于等于16。 取值范围: 1-14。 默认取值: 不涉及。 |
proxy_id |
否 |
String |
参数解释: 数据库代理ID。 约束限制: 如果实例只开启了一个代理,可不传该参数;如果实例开启了多个代理,则必须指定一个数据库代理,扩容新的代理节点。 取值范围: 只能由英文字母、数字组成,后缀为po01,长度为36个字符。 默认取值: 不涉及。 |
响应参数
状态码:201
参数 |
参数类型 |
描述 |
---|---|---|
job_id |
String |
参数解释: 任务ID。 取值范围: 不涉及。 |
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
扩容数据库代理节点。
POST https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/61a4ea66210545909d74a05c27a7179ein07/proxy/enlarge { "node_num" : 2, "proxy_id" : "151c14381ac14ecfb9703a745b992677po01" }
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。
扩容数据库代理节点。
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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 ExpandGaussMySqlProxySolution { 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(); ExpandGaussMySqlProxyRequest request = new ExpandGaussMySqlProxyRequest(); request.withInstanceId("{instance_id}"); EnlargeProxyRequest body = new EnlargeProxyRequest(); body.withProxyId("151c14381ac14ecfb9703a745b992677po01"); body.withNodeNum(2); request.withBody(body); try { ExpandGaussMySqlProxyResponse response = client.expandGaussMySqlProxy(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()); } } } |
扩容数据库代理节点。
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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 = ExpandGaussMySqlProxyRequest() request.instance_id = "{instance_id}" request.body = EnlargeProxyRequest( proxy_id="151c14381ac14ecfb9703a745b992677po01", node_num=2 ) response = client.expand_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) |
扩容数据库代理节点。
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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.ExpandGaussMySqlProxyRequest{} request.InstanceId = "{instance_id}" proxyIdEnlargeProxyRequest:= "151c14381ac14ecfb9703a745b992677po01" request.Body = &model.EnlargeProxyRequest{ ProxyId: &proxyIdEnlargeProxyRequest, NodeNum: int32(2), } response, err := client.ExpandGaussMySqlProxy(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。