Querying Consumer Group Details
Function
This API is used to query consumer group details.
Calling Method
For details, see Calling APIs.
URI
GET /v2/{project_id}/instances/{instance_id}/management/groups/{group}
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. |
group |
Yes |
String |
Consumer group name. |
Request Parameters
None
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
group |
group object |
Consumer group information. |
Parameter |
Type |
Description |
---|---|---|
group_id |
String |
Consumer group name. |
state |
String |
Consumer group status. The value can be:
|
coordinator_id |
Integer |
Coordinator ID. |
members |
Array of members objects |
Consumer list. |
group_message_offsets |
Array of group_message_offsets objects |
Consumer offset. |
assignment_strategy |
String |
Partition assignment policy. |
Parameter |
Type |
Description |
---|---|---|
host |
String |
Consumer address. |
assignment |
Array of assignment objects |
Details about the partition assigned to the consumer. |
member_id |
String |
Consumer ID. |
client_id |
String |
Client ID. |
Parameter |
Type |
Description |
---|---|---|
topic |
String |
Topic name. |
partitions |
Array of integers |
Partition list. |
Parameter |
Type |
Description |
---|---|---|
partition |
Integer |
Partition number. |
lag |
Long |
Number of remaining messages that can be retrieved, that is, the number of accumulated messages. |
topic |
String |
Topic name. |
message_current_offset |
Long |
Consumer offset. |
message_log_end_offset |
Long |
Log end offset (LEO). |
Example Requests
GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/management/groups/{group}
Example Responses
Status code: 200
The consumer group details are queried successfully.
{ "group" : { "members" : [ { "host" : "/172.31.1.102", "assignment" : [ { "topic" : "test", "partitions" : [ 0, 1, 2 ] } ], "member_id" : "consumer-1-6b8ee551-d499-47d4-9beb-ba1527496785", "client_id" : "consumer-1" } ], "state" : "STABLE", "group_id" : "test-consumer-group", "coordinator_id" : 2, "group_message_offsets" : [ { "partition" : 0, "lag" : 31396, "topic" : "test", "message_current_offset" : 935, "message_log_end_offset" : 32331 }, { "partition" : 0, "lag" : 0, "topic" : "aaaa", "message_current_offset" : 0, "message_log_end_offset" : 0 }, { "partition" : 1, "lag" : 31279, "topic" : "test", "message_current_offset" : 1058, "message_log_end_offset" : 32337 }, { "partition" : 1, "lag" : 0, "topic" : "aaaa", "message_current_offset" : 0, "message_log_end_offset" : 0 }, { "partition" : 2, "lag" : 31603, "topic" : "test", "message_current_offset" : 739, "message_log_end_offset" : 32342 } ], "assignment_strategy" : "range" } }
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.kafka.v2.region.KafkaRegion; import com.huaweicloud.sdk.kafka.v2.*; import com.huaweicloud.sdk.kafka.v2.model.*; public class ShowGroupsSolution { 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(); ShowGroupsRequest request = new ShowGroupsRequest(); request.withInstanceId("{instance_id}"); request.withGroup("{group}"); try { ShowGroupsResponse response = client.showGroups(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 = ShowGroupsRequest() request.instance_id = "{instance_id}" request.group = "{group}" response = client.show_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) |
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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.ShowGroupsRequest{} request.InstanceId = "{instance_id}" request.Group = "{group}" response, err := client.ShowGroups(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 |
The consumer group details are queried successfully. |
Error Codes
See Error Codes.
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