更新时间:2025-06-10 GMT+08:00
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查询指定消费组的Topic

功能介绍

查询指定消费组的Topic。

调用方法

请参见如何调用API

URI

GET /v2/{engine}/{project_id}/instances/{instance_id}/groups/{group}/topics

表1 路径参数

参数

是否必选

参数类型

描述

engine

String

引擎。

project_id

String

项目ID,获取方式请参见获取项目ID

instance_id

String

实例ID。

group

String

消费组ID。

表2 Query参数

参数

是否必选

参数类型

描述

offset

Integer

偏移量,表示从此偏移量开始查询, offset大于等于0。

limit

Integer

当次查询返回的最大Topic个数,默认值为10,取值范围为1~50。

sort_key

String

排序规则:

  • topic:按Topic名称排序。

  • partition:按分区数排序。

  • messages:按消息数量排序,默认方式。

sort_dir

String

排序方式。

  • asc:升序。

  • desc:降序,默认方式。

topic

String

Topic名称。

请求参数

响应参数

状态码:200

表3 响应Body参数

参数

参数类型

描述

topics

Array of GroupTopicEntity objects

消费组Topic

total

Integer

统计数量

表4 GroupTopicEntity

参数

参数类型

描述

topic

String

Topic名称

partitions

Integer

分区

lag

Integer

消息堆积数量

请求示例

GET https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/groups/{group}/topics

响应示例

状态码:200

查询成功。

{
  "topics" : [ {
    "topic" : "topic-1",
    "partitions" : 1,
    "lag" : 0
  }, {
    "topic" : "topic-2",
    "partitions" : 2,
    "lag" : 10
  } ],
  "total" : 2
}

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 ListInstanceConsumerGroupTopicsSolution {

    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();
        ListInstanceConsumerGroupTopicsRequest request = new ListInstanceConsumerGroupTopicsRequest();
        request.withEngine("{engine}");
        request.withInstanceId("{instance_id}");
        request.withGroup("{group}");
        try {
            ListInstanceConsumerGroupTopicsResponse response = client.listInstanceConsumerGroupTopics(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 = ListInstanceConsumerGroupTopicsRequest()
        request.engine = "{engine}"
        request.instance_id = "{instance_id}"
        request.group = "{group}"
        response = client.list_instance_consumer_group_topics(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.ListInstanceConsumerGroupTopicsRequest{}
	request.Engine = "{engine}"
	request.InstanceId = "{instance_id}"
	request.Group = "{group}"
	response, err := client.ListInstanceConsumerGroupTopics(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

查询成功。

错误码

请参见错误码

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