列出 Kafka 集群

获取 Kafka 集群列表

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

代码示例

Go

试用此示例之前，请按照 Managed Service for Apache Kafka 快速入门：使用客户端库中的 Go 设置说明进行操作。 如需了解详情，请参阅 Managed Service for Apache Kafka Go API 参考文档。

如需向 Managed Service for Apache Kafka 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

import (
	"context"
	"fmt"
	"io"

	"cloud.google.com/go/managedkafka/apiv1/managedkafkapb"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"

	managedkafka "cloud.google.com/go/managedkafka/apiv1"
)

func listClusters(w io.Writer, projectID, region string, opts ...option.ClientOption) error {
	// projectID := "my-project-id"
	// region := "us-central1"
	ctx := context.Background()
	client, err := managedkafka.NewClient(ctx, opts...)
	if err != nil {
		return fmt.Errorf("managedkafka.NewClient got err: %w", err)
	}
	defer client.Close()

	locationPath := fmt.Sprintf("projects/%s/locations/%s", projectID, region)
	req := &managedkafkapb.ListClustersRequest{
		Parent: locationPath,
	}
	clusterIter := client.ListClusters(ctx, req)
	for {
		res, err := clusterIter.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("clusterIter.Next() got err: %w", err)
		}
		fmt.Fprintf(w, "Got cluster: %v", res)
	}
	return nil
}

Java

试用此示例之前，请按照 Managed Service for Apache Kafka 快速入门：使用客户端库中的 Java 设置说明进行操作。 如需了解详情，请参阅 Managed Service for Apache Kafka Java API 参考文档。

如需向 Managed Service for Apache Kafka 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

import com.google.api.gax.rpc.ApiException;
import com.google.cloud.managedkafka.v1.Cluster;
import com.google.cloud.managedkafka.v1.LocationName;
import com.google.cloud.managedkafka.v1.ManagedKafkaClient;
import java.io.IOException;

public class ListClusters {

  public static void main(String[] args) throws Exception {
    // TODO(developer): Replace these variables before running the example.
    String projectId = "my-project-id";
    String region = "my-region"; // e.g. us-east1
    listClusters(projectId, region);
  }

  public static void listClusters(String projectId, String region) throws Exception {
    try (ManagedKafkaClient managedKafkaClient = ManagedKafkaClient.create()) {
      LocationName locationName = LocationName.of(projectId, region);
      // This operation is being handled synchronously.
      for (Cluster cluster : managedKafkaClient.listClusters(locationName).iterateAll()) {
        System.out.println(cluster.getAllFields());
      }
    } catch (IOException | ApiException e) {
      System.err.printf("managedKafkaClient.listClusters got err: %s", e.getMessage());
    }
  }
}

Python

试用此示例之前，请按照 Managed Service for Apache Kafka 快速入门：使用客户端库中的 Python 设置说明进行操作。 如需了解详情，请参阅 Managed Service for Apache Kafka Python API 参考文档。

如需向 Managed Service for Apache Kafka 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

from google.cloud import managedkafka_v1

# TODO(developer)
# project_id = "my-project-id"
# region = "us-central1"

client = managedkafka_v1.ManagedKafkaClient()

request = managedkafka_v1.ListClustersRequest(
    parent=client.common_location_path(project_id, region),
)

response = client.list_clusters(request=request)
for cluster in response:
    print("Got cluster:", cluster)

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅Google Cloud 示例浏览器。