Consulta de metadados do cluster do Kafka
Função
Essa API é usada para consultar metadados de cluster do Kafka.
Método de chamada
Para obter detalhes, consulte Chamada de APIs.
URI
GET /v2/{project_id}/instances/{instance_id}/management/cluster
Parâmetro |
Obrigatório |
Tipo |
Descrição |
---|---|---|---|
project_id |
Sim |
String |
ID do projeto. Para obter detalhes sobre como obtê-lo, consulte Obtenção de um ID de projeto. |
instance_id |
Sim |
String |
ID da instância. |
Parâmetros de solicitação
Nenhum
Parâmetros de resposta
Código de status: 200
Parâmetro |
Tipo |
Descrição |
---|---|---|
cluster |
cluster object |
Informações básicas do cluster. |
Parâmetro |
Tipo |
Descrição |
---|---|---|
controller |
String |
ID do controlador. |
brokers |
Array of brokers objects |
Lista de corretores. |
topics_count |
Integer |
Número de tópicos. |
partitions_count |
Integer |
Número de partições. |
online_partitions_count |
Integer |
Número de partições on-line. |
replicas_count |
Integer |
Número de réplicas. |
isr_replicas_count |
Integer |
Número total de réplicas sincronizadas (ISRs). |
consumers_count |
Integer |
Número de grupos de consumidores. |
Parâmetro |
Tipo |
Descrição |
---|---|---|
host |
String |
Endereço IP do corretor. |
port |
Integer |
Número da porta. |
broker_id |
String |
ID do corretor. |
is_controller |
Boolean |
Se o corretor é um controlador. |
version |
String |
Versão do servidor. |
register_time |
Long |
Tempo de registro do corretor, que é um carimbo de data/hora Unix. |
is_health |
Boolean |
Se os corretores de Kafka podem ser conectados. |
Exemplo de solicitações
GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/management/cluster
Exemplo de respostas
Código de status: 200
Os metadados do cluster do Kafka foram consultados com sucesso.
{ "cluster" : { "controller" : "2", "brokers" : [ { "host" : "192.168.0.159", "port" : 9093, "broker_id" : "0", "is_controller" : false, "version" : "1.1.0", "register_time" : 1588754647872, "is_health" : true }, { "host" : "192.168.0.48", "port" : 9093, "broker_id" : "1", "is_controller" : false, "version" : "1.1.0", "register_time" : 1588754647653, "is_health" : true }, { "host" : "192.168.0.212", "port" : 9093, "broker_id" : "2", "is_controller" : true, "version" : "1.1.0", "register_time" : 1588754647284, "is_health" : true } ], "topics_count" : 3, "partitions_count" : 9, "online_partitions_count" : 9, "replicas_count" : 27, "isr_replicas_count" : 27, "consumers_count" : 0 } }
Código de exemplo do SDK
O código de exemplo do SDK é o seguinte.
Java
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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 ShowClusterSolution { 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(); ShowClusterRequest request = new ShowClusterRequest(); request.withInstanceId("{instance_id}"); try { ShowClusterResponse response = client.showCluster(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()); } } } |
Python
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# coding: utf-8 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 = __import__('os').getenv("CLOUD_SDK_AK") sk = __import__('os').getenv("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 = ShowClusterRequest() request.instance_id = "{instance_id}" response = client.show_cluster(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
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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.ShowClusterRequest{} request.InstanceId = "{instance_id}" response, err := client.ShowCluster(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
Mais
Para obter o código de exemplo do SDK de mais linguagens de programação, consulte a guia Código de exemplo no API Explorer. O código de exemplo do SDK pode ser gerado automaticamente.
Códigos de status
Código de status |
Descrição |
---|---|
200 |
Os metadados do cluster do Kafka foram consultados com sucesso. |
Códigos de erro
Consulte Códigos de erro.