更新时间:2024-07-09 GMT+08:00

查询Kafka集群元数据信息

功能介绍

查询Kafka集群元数据信息。

调用方法

请参见如何调用API

URI

GET /v2/{project_id}/instances/{instance_id}/management/cluster

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID,获取方式请参见获取项目ID

instance_id

String

实例ID。

请求参数

响应参数

状态码: 200

表2 响应Body参数

参数

参数类型

描述

cluster

cluster object

集群基本信息。

表3 cluster

参数

参数类型

描述

controller

String

控制器ID。

brokers

Array of brokers objects

节点列表。

topics_count

Integer

主题数量。

partitions_count

Integer

分区数量。

online_partitions_count

Integer

在线分区数量。

replicas_count

Integer

副本数量。

isr_replicas_count

Integer

ISR(In-Sync Replicas) 副本总数。

consumers_count

Integer

消费组数量。

表4 brokers

参数

参数类型

描述

host

String

节点IP。

port

Integer

端口号。

broker_id

String

节点ID。

is_controller

Boolean

是否为contoller节点。

version

String

服务端版本。

register_time

Long

broker注册时间,为unix时间戳格式。

is_health

Boolean

Kafka实例节点的连通性是否正常。

请求示例

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/management/cluster

响应示例

状态码: 200

查询Kafka集群元数据信息成功。

{
  "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
  }
}

SDK代码示例

SDK代码示例如下。

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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());
        }
    }
}
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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 = 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)
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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)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

查询Kafka集群元数据信息成功。

错误码

请参见错误码