Querying the Topic Consumer Group List
Function
This API is used to query the topic consumer group list.
Calling Method
For details, see Calling APIs.
URI
GET /v2/{project_id}/instances/{instance_id}/topics/{topic}/groups
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
project_id |
Yes |
String |
Definition Project ID. For details about how to obtain it, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A |
|
instance_id |
Yes |
String |
Definition Instance ID. You can call the API for querying all instances to obtain the instance ID. The instance ID is in the response body. Constraints N/A Range N/A Default Value N/A |
|
topic |
Yes |
String |
Definition Topic name. Constraints N/A Range N/A Default Value N/A |
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
limit |
No |
Integer |
Definition Maximum number of records returned in a query. Constraints N/A Range 1–50 Default Value 10 |
|
offset |
No |
Integer |
Definition Offset where the query starts. Constraints N/A Range ≥ 0 Default Value N/A |
Request Parameters
None
Response Parameters
Status code: 200
|
Parameter |
Type |
Description |
|---|---|---|
|
groups |
Array of strings |
Definition Consumer group list. |
Example Requests
Querying the consumer group list of a specified topic
GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/topics/{topic}/groups
Example Responses
Status code: 200
Topic consumer group list queried successfully.
{
"groups" : [ "CID_JODIE_1", "test_consumer" ]
}
SDK Sample Code
The SDK sample code is as follows.
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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.rocketmq.v2.region.RocketMQRegion; import com.huaweicloud.sdk.rocketmq.v2.*; import com.huaweicloud.sdk.rocketmq.v2.model.*; public class ListConsumerGroupOfTopicSolution { 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); RocketMQClient client = RocketMQClient.newBuilder() .withCredential(auth) .withRegion(RocketMQRegion.valueOf("<YOUR REGION>")) .build(); ListConsumerGroupOfTopicRequest request = new ListConsumerGroupOfTopicRequest(); request.withInstanceId("{instance_id}"); request.withTopic("{topic}"); try { ListConsumerGroupOfTopicResponse response = client.listConsumerGroupOfTopic(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 huaweicloudsdkrocketmq.v2.region.rocketmq_region import RocketMQRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkrocketmq.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 = RocketMQClient.new_builder() \ .with_credentials(credentials) \ .with_region(RocketMQRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListConsumerGroupOfTopicRequest() request.instance_id = "{instance_id}" request.topic = "{topic}" response = client.list_consumer_group_of_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) |
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" rocketmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/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 := rocketmq.NewRocketMQClient( rocketmq.RocketMQClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListConsumerGroupOfTopicRequest{} request.InstanceId = "{instance_id}" request.Topic = "{topic}" response, err := client.ListConsumerGroupOfTopic(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
|
Status Code |
Description |
|---|---|
|
200 |
Topic consumer group list queried successfully. |
Error Codes
See Error Codes.
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