Querying All Consumer Groups

Function

This API is used to query all consumer groups.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/instances/{instance_id}/groups

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
offset	No	String	Offset, which is the position where the query starts. The value must be greater than or equal to 0.
limit	No	String	Maximum number of consumer group IDs returned in the current query. The default value is 10. The value ranges from 1 to 50.
group	No	String	Filter consumer group names that contain specific keywords.

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
groups	Array of GroupInfoSimple objects	All consumer groups.
total	Integer	Total number of consumer groups.

**Table 4** GroupInfoSimple
Parameter	Type	Description
createdAt	Long	Creation time.
group_id	String	Consumer group ID.
state	String	Consumer group status. The value can be: Dead: The consumer group has no members or metadata. Empty: The consumer group has metadata but has no members. PreparingRebalance: The consumer group is to be rebalanced. CompletingRebalance: All members have joined the group. Stable: Members in the consumer group can consume messages. "
coordinator_id	Integer	Coordinator ID.
group_desc	String	Consumer group description.
lag	Long	Number of accumulated messages.

Example Requests

Querying the consumer group list

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/groups?offest={offest}&limit={limit}&group={group}

Example Responses

Status code: 200

All consumer groups are queried successfully.

{
  "groups" : [ {
    "createdAt" : 1691401194847,
    "group_id" : "consumer-1",
    "state" : "EMPTY",
    "coordinator_id" : 1,
    "lag" : 0,
    "group_desc" : null
  }, {
    "createdAt" : 1691401194960,
    "group_id" : "consumer-2",
    "state" : "STABLE",
    "coordinator_id" : 2,
    "lag" : 0,
    "group_desc" : null
  }, {
    "createdAt" : 1691401207309,
    "group_id" : "consumer-3",
    "state" : "STABLE",
    "coordinator_id" : 3,
    "lag" : 0,
    "group_desc" : null
  } ],
  "total" : 3
}

SDK Sample Code

The SDK sample code is as follows.

      
       
         
         
           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 ListInstanceConsumerGroupsSolution {

    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();
        ListInstanceConsumerGroupsRequest request = new ListInstanceConsumerGroupsRequest();
        request.withInstanceId("{instance_id}");
        try {
            ListInstanceConsumerGroupsResponse response = client.listInstanceConsumerGroups(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());
        }
    }
}

          

        

      
     

      
       
         
         
           # 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 = ListInstanceConsumerGroupsRequest()
        request.instance_id = "{instance_id}"
        response = client.list_instance_consumer_groups(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

          

        

      
     

      
       
         
         
           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.ListInstanceConsumerGroupsRequest{}
	request.InstanceId = "{instance_id}"
	response, err := client.ListInstanceConsumerGroups(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

          

        

      
     