创建主题
功能介绍
创建Topic,单用户默认配额为3000。高并发场景下,可能会出现Topic数量超过3000仍创建成功的情况,此为正常现象。
接口是幂等的,接口调用返回成功时,若已存在同名的Topic,返回的status code为200,否则返回的status code为201
调用方法
请参见如何调用API。
URI
POST /v2/{project_id}/notifications/topics
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。获取项目ID请参考 获取项目ID。 |
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(响应消息头中X-Subject-Token的值)。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
name |
是 |
String |
创建topic的名字。Topic名称只能包含大写字母、小写字母、数字、-和_,且必须由大写字母、小写字母或数字开头,长度为1到255个字符。 |
display_name |
是 |
String |
Topic的显示名,推送邮件消息时,作为邮件发件人显示。显示名的长度为192byte或64个中文。默认值为空。 |
enterprise_project_id |
否 |
String |
企业项目ID。非必选参数,当企业项目开关打开时需要传入该参数。 |
响应参数
状态码: 201
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
请求的唯一标识ID。 |
topic_urn |
String |
Topic的唯一的资源标识,可通过查询主题列表获取该标识。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
请求的唯一标识ID。 |
code |
String |
服务异常错误信息编码。 |
message |
String |
服务异常错误信息描述。 |
状态码: 403
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
请求的唯一标识ID。 |
code |
String |
服务异常错误信息编码。 |
message |
String |
服务异常错误信息描述。 |
状态码: 404
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
请求的唯一标识ID。 |
code |
String |
服务异常错误信息编码。 |
message |
String |
服务异常错误信息描述。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
请求的唯一标识ID。 |
code |
String |
服务异常错误信息编码。 |
message |
String |
服务异常错误信息描述。 |
请求示例
创建名称为test_topic_v2,且显示名为testtest的主题
POST https://{SMN_Endpoint}/v2/{project_id}/notifications/topics { "name" : "test_topic_v2", "display_name" : "testtest" }
响应示例
状态码: 201
OK
{ "request_id" : "6a63a18b8bab40ffb71ebd9cb80d0085", "topic_urn" : "urn:smn:regionId:f96188c7ccaf4ffba0c9aa149ab2bd57:test_topic_v2" }
SDK代码示例
SDK代码示例如下。
Java
创建名称为test_topic_v2,且显示名为testtest的主题
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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.smn.v2.region.SmnRegion; import com.huaweicloud.sdk.smn.v2.*; import com.huaweicloud.sdk.smn.v2.model.*; public class CreateTopicSolution { 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); SmnClient client = SmnClient.newBuilder() .withCredential(auth) .withRegion(SmnRegion.valueOf("<YOUR REGION>")) .build(); CreateTopicRequest request = new CreateTopicRequest(); CreateTopicRequestBody body = new CreateTopicRequestBody(); body.withDisplayName("testtest"); body.withName("test_topic_v2"); request.withBody(body); try { CreateTopicResponse response = client.createTopic(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()); } } } |
Python
创建名称为test_topic_v2,且显示名为testtest的主题
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdksmn.v2.region.smn_region import SmnRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdksmn.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 = SmnClient.new_builder() \ .with_credentials(credentials) \ .with_region(SmnRegion.value_of("<YOUR REGION>")) \ .build() try: request = CreateTopicRequest() request.body = CreateTopicRequestBody( display_name="testtest", name="test_topic_v2" ) response = client.create_topic(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
创建名称为test_topic_v2,且显示名为testtest的主题
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" smn "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/smn/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/smn/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/smn/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 := smn.NewSmnClient( smn.SmnClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.CreateTopicRequest{} request.Body = &model.CreateTopicRequestBody{ DisplayName: "testtest", Name: "test_topic_v2", } response, err := client.CreateTopic(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多
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 |
OK |
400 |
Bad Request |
403 |
Unauthorized |
404 |
Not Found |
500 |
Internal Server Error |
错误码
请参见错误码。