Querying a Specified Consumer Group
Function
This API is used to query a specified consumer group.
Calling Method
For details, see Calling APIs.
URI
GET /v2/{engine}/{project_id}/instances/{instance_id}/groups/{group}
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
engine |
Yes |
String |
Engine. |
project_id |
Yes |
String |
Project ID. For details, see Obtaining a Project ID. |
instance_id |
Yes |
String |
Instance ID. |
group |
Yes |
String |
Filter query by 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. |
member_id |
String |
Consumer ID. |
client_id |
String |
Client ID. |
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/{engine}/{project_id}/instances/{instance_id}/groups/{group}
Example Responses
Status code: 200
Successful
{
"group" : {
"members" : [ {
"host" : "/172.31.1.102",
"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 ListInstanceConsumerGroupSolution {
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();
ListInstanceConsumerGroupRequest request = new ListInstanceConsumerGroupRequest();
request.withEngine("{engine}");
request.withInstanceId("{instance_id}");
request.withGroup("{group}");
try {
ListInstanceConsumerGroupResponse response = client.listInstanceConsumerGroup(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());
}
}
}
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
# 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 = ListInstanceConsumerGroupRequest()
request.engine = "{engine}"
request.instance_id = "{instance_id}"
request.group = "{group}"
response = client.list_instance_consumer_group(request)
print(response)
except exceptions.ClientRequestException as e:
print(e.status_code)
print(e.request_id)
print(e.error_code)
print(e.error_msg)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 |
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.ListInstanceConsumerGroupRequest{}
request.Engine = "{engine}"
request.InstanceId = "{instance_id}"
request.Group = "{group}"
response, err := client.ListInstanceConsumerGroup(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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 |
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 ListInstanceConsumerGroupSolution {
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();
ListInstanceConsumerGroupRequest request = new ListInstanceConsumerGroupRequest();
request.withEngine("{engine}");
request.withInstanceId("{instance_id}");
request.withGroup("{group}");
try {
ListInstanceConsumerGroupResponse response = client.listInstanceConsumerGroup(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());
}
}
}
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
# 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 = ListInstanceConsumerGroupRequest()
request.engine = "{engine}"
request.instance_id = "{instance_id}"
request.group = "{group}"
response = client.list_instance_consumer_group(request)
print(response)
except exceptions.ClientRequestException as e:
print(e.status_code)
print(e.request_id)
print(e.error_code)
print(e.error_msg)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 |
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.ListInstanceConsumerGroupRequest{}
request.Engine = "{engine}"
request.InstanceId = "{instance_id}"
request.Group = "{group}"
response, err := client.ListInstanceConsumerGroup(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 |
Successful |
Error Codes
See Error Codes.
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