查询实例是否可以扩容
功能介绍
查询实例是否可以扩容。
调用方法
请参见如何调用API。
URI
GET /v2/{project_id}/instances/{instance_id}/operations
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。 |
instance_id |
是 |
String |
实例ID。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
operation |
是 |
String |
操作信息。扩容即extend。 |
请求参数
无
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
instance_id |
String |
实例ID。 |
operations |
Array of Operations objects |
支持的操作列表,目前只支持扩容。 |
参数 |
参数类型 |
描述 |
---|---|---|
operation |
String |
操作信息。 |
is_support |
Boolean |
是否支持该操作。 |
cause_id |
String |
不支持该操作的错误原因。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 401
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 403
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 404
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
请求示例
GET https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/operations?operation=extend
响应示例
状态码: 200
查询实例是否可以扩容成功。
{ "instance_id" : "dacf949d-7f8a-4244-a4e8-6a4119186ac3", "operations" : [ { "operation" : "extend", "is_support" : true, "cause_id" : null } ] }
状态码: 400
非法请求。
{ "error_code" : "111400063", "error_msg" : "Invalid {0} parameter in the request." }
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.dcs.v2.region.DcsRegion; import com.huaweicloud.sdk.dcs.v2.*; import com.huaweicloud.sdk.dcs.v2.model.*; public class ListInstanceOperationsSolution { 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); DcsClient client = DcsClient.newBuilder() .withCredential(auth) .withRegion(DcsRegion.valueOf("<YOUR REGION>")) .build(); ListInstanceOperationsRequest request = new ListInstanceOperationsRequest(); request.withInstanceId("{instance_id}"); try { ListInstanceOperationsResponse response = client.listInstanceOperations(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 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdcs.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.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = DcsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DcsRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListInstanceOperationsRequest() request.instance_id = "{instance_id}" response = client.list_instance_operations(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" dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := dcs.NewDcsClient( dcs.DcsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListInstanceOperationsRequest{} request.InstanceId = "{instance_id}" response, err := client.ListInstanceOperations(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 |
查询实例是否可以扩容成功。 |
400 |
非法请求。 |
401 |
认证信息非法。 |
403 |
请求被拒绝访问。 |
404 |
所请求的资源不存在。 |
500 |
内部服务错误。 |
错误码
请参见错误码。