Se usó la API de Cloud Translation para traducir esta página.

Crea un tema con transferencia de AWS MSK

Explora más

Para obtener documentación en la que se incluye esta muestra de código, consulta lo siguiente:

Cómo crear un tema de importación de Amazon Managed Streaming para Apache Kafka

Muestra de código

C++

Antes de probar esta muestra, sigue las instrucciones de configuración de C++ que encontrarás en la guía de inicio rápido de Pub/Sub con bibliotecas cliente. Si quieres obtener más información, consulta la documentación de referencia de la API de C++ de Pub/Sub.

Para autenticarte en Pub/Sub, configura las credenciales predeterminadas de la aplicación. Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.

namespace pubsub = ::google::cloud::pubsub;
namespace pubsub_admin = ::google::cloud::pubsub_admin;
[](pubsub_admin::TopicAdminClient client, std::string project_id,
   std::string topic_id, std::string const& cluster_arn,
   std::string const& msk_topic, std::string const& aws_role_arn,
   std::string const& gcp_service_account) {
  google::pubsub::v1::Topic request;
  request.set_name(
      pubsub::Topic(std::move(project_id), std::move(topic_id)).FullName());
  auto* aws_msk =
      request.mutable_ingestion_data_source_settings()->mutable_aws_msk();
  aws_msk->set_cluster_arn(cluster_arn);
  aws_msk->set_topic(msk_topic);
  aws_msk->set_aws_role_arn(aws_role_arn);
  aws_msk->set_gcp_service_account(gcp_service_account);

  auto topic = client.CreateTopic(request);
  // Note that kAlreadyExists is a possible error when the library retries.
  if (topic.status().code() == google::cloud::StatusCode::kAlreadyExists) {
    std::cout << "The topic already exists\n";
    return;
  }
  if (!topic) throw std::move(topic).status();

  std::cout << "The topic was successfully created: " << topic->DebugString()
            << "\n";
}

Go

Antes de probar esta muestra, sigue las instrucciones de configuración de Go que encontrarás en la guía de inicio rápido de Pub/Sub con bibliotecas cliente. Si quieres obtener más información, consulta la documentación de referencia de la API de Go de Pub/Sub.

import (
	"context"
	"fmt"
	"io"

	"cloud.google.com/go/pubsub"
)

func createTopicWithAWSMSKIngestion(w io.Writer, projectID, topicID, clusterARN, mskTopic, awsRoleARN, gcpSA string) error {
	// projectID := "my-project-id"
	// topicID := "my-topic"

	// // AWS MSK ingestion settings.
	// clusterARN := "cluster-arn"
	// mskTopic := "msk-topic"
	// awsRoleARN := "aws-role-arn"
	// gcpSA := "gcp-service-account"

	ctx := context.Background()
	client, err := pubsub.NewClient(ctx, projectID)
	if err != nil {
		return fmt.Errorf("pubsub.NewClient: %w", err)
	}
	defer client.Close()

	cfg := &pubsub.TopicConfig{
		IngestionDataSourceSettings: &pubsub.IngestionDataSourceSettings{
			Source: &pubsub.IngestionDataSourceAmazonMSK{
				ClusterARN:        clusterARN,
				Topic:             mskTopic,
				AWSRoleARN:        awsRoleARN,
				GCPServiceAccount: gcpSA,
			},
		},
	}
	t, err := client.CreateTopicWithConfig(ctx, topicID, cfg)
	if err != nil {
		return fmt.Errorf("CreateTopic: %w", err)
	}
	fmt.Fprintf(w, "Created topic with AWS MSK ingestion settings: %v\n", t)
	return nil
}

Java

Antes de probar esta muestra, sigue las instrucciones de configuración de Java que encontrarás en la guía de inicio rápido de Pub/Sub con bibliotecas cliente. Si quieres obtener más información, consulta la documentación de referencia de la API de Java de Pub/Sub.


import com.google.cloud.pubsub.v1.TopicAdminClient;
import com.google.pubsub.v1.IngestionDataSourceSettings;
import com.google.pubsub.v1.Topic;
import com.google.pubsub.v1.TopicName;
import java.io.IOException;

public class CreateTopicWithAwsMskIngestionExample {
  public static void main(String... args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String topicId = "your-topic-id";
    // AWS MSK ingestion settings.
    String clusterArn = "cluster-arn";
    String mskTopic = "msk-topic";
    String awsRoleArn = "aws-role-arn";
    String gcpServiceAccount = "gcp-service-account";

    createTopicWithAwsMskIngestionExample(
        projectId, topicId, clusterArn, mskTopic, awsRoleArn, gcpServiceAccount);
  }

  public static void createTopicWithAwsMskIngestionExample(
      String projectId,
      String topicId,
      String clusterArn,
      String mskTopic,
      String awsRoleArn,
      String gcpServiceAccount)
      throws IOException {
    try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
      TopicName topicName = TopicName.of(projectId, topicId);

      IngestionDataSourceSettings.AwsMsk awsMsk =
          IngestionDataSourceSettings.AwsMsk.newBuilder()
              .setClusterArn(clusterArn)
              .setTopic(mskTopic)
              .setAwsRoleArn(awsRoleArn)
              .setGcpServiceAccount(gcpServiceAccount)
              .build();
      IngestionDataSourceSettings ingestionDataSourceSettings =
          IngestionDataSourceSettings.newBuilder().setAwsMsk(awsMsk).build();

      Topic topic =
          topicAdminClient.createTopic(
              Topic.newBuilder()
                  .setName(topicName.toString())
                  .setIngestionDataSourceSettings(ingestionDataSourceSettings)
                  .build());

      System.out.println("Created topic with AWS MSK ingestion settings: " + topic.getAllFields());
    }
  }
}

Node.js

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';
// const clusterArn = 'arn:aws:kafka:...';
// const mskTopic = 'YOUR_MSK_TOPIC';
// const roleArn = 'arn:aws:iam:...';
// const gcpServiceAccount = 'ingestion-account@...';

// Imports the Google Cloud client library
const {PubSub} = require('@google-cloud/pubsub');

// Creates a client; cache this for further use
const pubSubClient = new PubSub();

async function createTopicWithAwsMskIngestion(
  topicNameOrId,
  clusterArn,
  mskTopic,
  awsRoleArn,
  gcpServiceAccount
) {
  // Creates a new topic with AWS MSK ingestion.
  await pubSubClient.createTopic({
    name: topicNameOrId,
    ingestionDataSourceSettings: {
      awsMsk: {
        clusterArn,
        topic: mskTopic,
        awsRoleArn,
        gcpServiceAccount,
      },
    },
  });
  console.log(`Topic ${topicNameOrId} created with AWS MSK ingestion.`);
}

Node.js

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';
// const clusterArn = 'arn:aws:kafka:...';
// const mskTopic = 'YOUR_MSK_TOPIC';
// const roleArn = 'arn:aws:iam:...';
// const gcpServiceAccount = 'ingestion-account@...';

// Imports the Google Cloud client library
import {PubSub} from '@google-cloud/pubsub';

// Creates a client; cache this for further use
const pubSubClient = new PubSub();

async function createTopicWithAwsMskIngestion(
  topicNameOrId: string,
  clusterArn: string,
  mskTopic: string,
  awsRoleArn: string,
  gcpServiceAccount: string
) {
  // Creates a new topic with AWS MSK ingestion.
  await pubSubClient.createTopic({
    name: topicNameOrId,
    ingestionDataSourceSettings: {
      awsMsk: {
        clusterArn,
        topic: mskTopic,
        awsRoleArn,
        gcpServiceAccount,
      },
    },
  });
  console.log(`Topic ${topicNameOrId} created with AWS MSK ingestion.`);
}

Python

Antes de probar esta muestra, sigue las instrucciones de configuración de Python que encontrarás en la guía de inicio rápido de Pub/Sub con bibliotecas cliente. Si quieres obtener más información, consulta la documentación de referencia de la API de Python de Pub/Sub.

from google.cloud import pubsub_v1
from google.pubsub_v1.types import Topic
from google.pubsub_v1.types import IngestionDataSourceSettings

# TODO(developer)
# project_id = "your-project-id"
# topic_id = "your-topic-id"
# cluster_arn = "your-cluster-arn"
# msk_topic = "your-msk-topic"
# aws_role_arn = "your-aws-role-arn"
# gcp_service_account = "your-gcp-service-account"

publisher = pubsub_v1.PublisherClient()
topic_path = publisher.topic_path(project_id, topic_id)

request = Topic(
    name=topic_path,
    ingestion_data_source_settings=IngestionDataSourceSettings(
        aws_msk=IngestionDataSourceSettings.AwsMsk(
            cluster_arn=cluster_arn,
            topic=msk_topic,
            aws_role_arn=aws_role_arn,
            gcp_service_account=gcp_service_account,
        )
    ),
)

topic = publisher.create_topic(request=request)

print(f"Created topic: {topic.name} with AWS MSK Ingestion Settings")

¿Qué sigue?

Para buscar y filtrar muestras de código para otros productos de Google Cloud , consulta el navegador de muestras deGoogle Cloud .