查询Topic的分区列表 - ListTopicPartitions
功能介绍
查询Topic的分区列表
调用方法
请参见如何调用API。
授权信息
账号具备所有API的调用权限,如果使用账号下的IAM用户调用当前API,该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权,具体权限要求请参见权限和授权项。
- 如果使用身份策略授权,需具备如下身份策略权限。
授权项
访问级别
资源类型(*为必须)
条件键
别名
依赖的授权项
dms:topic:get
Read
kafka
-
g:ResourceTag/<tag-key>
-
g:EnterpriseProjectId
- dms:instance:get
-
topic *
-
-
URI
GET /v2/{project_id}/kafka/instances/{instance_id}/topics/{topic}/partitions
|
参数 |
是否必选 |
参数类型 |
描述 |
|---|---|---|---|
|
project_id |
是 |
String |
项目ID,获取方式请参见获取项目ID。 |
|
instance_id |
是 |
String |
实例id |
|
topic |
是 |
String |
主题 |
|
参数 |
是否必选 |
参数类型 |
描述 |
|---|---|---|---|
|
offset |
否 |
Integer |
偏移量,表示查询该偏移量后面的记录 |
|
limit |
否 |
Integer |
查询返回记录的数量限制 |
请求参数
无
请求示例
查询topic的分区列表
GET https://{endpoint}/v2/{project_id}/kafka/instances/{instance_id}/topics/{topic}/partitions?start=1&limit=10
响应示例
状态码:200
查询topic的分区列表成功
{
"total" : 3,
"partitions" : [ {
"partition" : 0,
"start_offset" : 0,
"last_offset" : 1216303,
"message_count" : 1216303,
"last_update_time" : 1688011291458
}, {
"partition" : 1,
"start_offset" : 0,
"last_offset" : 985447,
"message_count" : 985447,
"last_update_time" : 1688011291469
}, {
"partition" : 2,
"start_offset" : 0,
"last_offset" : 923340,
"message_count" : 923340,
"last_update_time" : 1688011291526
} ]
}
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.kafka.v2.region.KafkaRegion; import com.huaweicloud.sdk.kafka.v2.*; import com.huaweicloud.sdk.kafka.v2.model.*; public class ListTopicPartitionsSolution { 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); KafkaClient client = KafkaClient.newBuilder() .withCredential(auth) .withRegion(KafkaRegion.valueOf("<YOUR REGION>")) .build(); ListTopicPartitionsRequest request = new ListTopicPartitionsRequest(); request.withInstanceId("{instance_id}"); request.withTopic("{topic}"); try { ListTopicPartitionsResponse response = client.listTopicPartitions(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 huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkkafka.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 = KafkaClient.new_builder() \ .with_credentials(credentials) \ .with_region(KafkaRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListTopicPartitionsRequest() request.instance_id = "{instance_id}" request.topic = "{topic}" response = client.list_topic_partitions(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" kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/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 := kafka.NewKafkaClient( kafka.KafkaClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListTopicPartitionsRequest{} request.InstanceId = "{instance_id}" request.Topic = "{topic}" response, err := client.ListTopicPartitions(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topic的分区列表成功 |
错误码
请参见错误码。