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Crear un tema con la ingestión de Azure Event Hubs

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Para obtener documentación detallada que incluya este código de muestra, consulta lo siguiente:

Crear un tema de importación de Azure Event Hubs

Código de ejemplo

C++

Antes de probar este ejemplo, sigue las instrucciones de configuración de C++ que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API C++ Pub/Sub.

Para autenticarte en Pub/Sub, configura las credenciales predeterminadas de la aplicación. Para obtener más información, consulta el artículo Configurar la autenticación en 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& resource_group,
   std::string const& event_hubs_namespace, std::string const& event_hub,
   std::string const& client_id, std::string const& tenant_id,
   std::string const& subscription_id,
   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* azure_event_hubs = request.mutable_ingestion_data_source_settings()
                               ->mutable_azure_event_hubs();
  azure_event_hubs->set_resource_group(resource_group);
  azure_event_hubs->set_namespace_(event_hubs_namespace);
  azure_event_hubs->set_event_hub(event_hub);
  azure_event_hubs->set_client_id(client_id);
  azure_event_hubs->set_tenant_id(tenant_id);
  azure_event_hubs->set_subscription_id(subscription_id);
  azure_event_hubs->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";
}

C#

Antes de probar este ejemplo, sigue las instrucciones de configuración de C# que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API C# Pub/Sub.


using Google.Cloud.PubSub.V1;
using System;

public class CreateTopicWithAzureEventHubsIngestionSample
{
    public Topic CreateTopicWithAzureEventHubsIngestion(string projectId, string topicId, string resourceGroup, string nameSpace, string eventHub, string clientId, string tenantId, string subscriptionId, string gcpServiceAccount)
    {
        // Define settings for Azure Event Hubs ingestion
        IngestionDataSourceSettings ingestionDataSourceSettings = new IngestionDataSourceSettings
        {
            AzureEventHubs = new IngestionDataSourceSettings.Types.AzureEventHubs
            {
                ResourceGroup = resourceGroup,
                Namespace = nameSpace,
                EventHub = eventHub,
                ClientId = clientId,
                TenantId = tenantId,
                SubscriptionId = subscriptionId,
                GcpServiceAccount = gcpServiceAccount
            }
        };

        PublisherServiceApiClient publisher = PublisherServiceApiClient.Create();
        Topic topic = new Topic()
        {
            Name = TopicName.FormatProjectTopic(projectId, topicId),
            IngestionDataSourceSettings = ingestionDataSourceSettings
        };
        Topic createdTopic = publisher.CreateTopic(topic);
        Console.WriteLine($"Topic {topic.Name} created.");

        return createdTopic;
    }
}

Go

Antes de probar este ejemplo, sigue las instrucciones de configuración de Go que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API Go Pub/Sub.

import (
	"context"
	"fmt"
	"io"

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

func createTopicWithAzureEventHubsIngestion(w io.Writer, projectID, topicID, resourceGroup, namespace, eventHub, clientID, tenantID, subID, gcpSA string) error {
	// projectID := "my-project-id"
	// topicID := "my-topic"

	// // Azure Event Hubs ingestion settings.
	// resourceGroup := "resource-group"
	// namespace := "namespace"
	// eventHub := "event-hub"
	// clientID := "client-id"
	// tenantID := "tenant-id"
	// subID := "subscription-id"
	// 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.IngestionDataSourceAzureEventHubs{
				ResourceGroup:     resourceGroup,
				Namespace:         namespace,
				EventHub:          eventHub,
				ClientID:          clientID,
				TenantID:          tenantID,
				SubscriptionID:    subID,
				GCPServiceAccount: gcpSA,
			},
		},
	}
	t, err := client.CreateTopicWithConfig(ctx, topicID, cfg)
	if err != nil {
		return fmt.Errorf("CreateTopic: %w", err)
	}
	fmt.Fprintf(w, "Created topic with azure event hubs ingestion: %v\n", t)
	return nil
}

Java

Antes de probar este ejemplo, sigue las instrucciones de configuración de Java que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API Java 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 CreateTopicWithAzureEventHubsIngestionExample {
  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";
    // Azure Event Hubs ingestion settings.
    String resourceGroup = "resource-group";
    String namespace = "namespace";
    String eventHub = "event-hub";
    String clientId = "client-id";
    String tenantId = "tenant-id";
    String subscriptionId = "subscription-id";
    String gcpServiceAccount = "gcp-service-account";

    createTopicWithAzureEventHubsIngestionExample(
        projectId,
        topicId,
        resourceGroup,
        namespace,
        eventHub,
        clientId,
        tenantId,
        subscriptionId,
        gcpServiceAccount);
  }

  public static void createTopicWithAzureEventHubsIngestionExample(
      String projectId,
      String topicId,
      String resourceGroup,
      String namespace,
      String eventHub,
      String clientId,
      String tenantId,
      String subscriptionId,
      String gcpServiceAccount)
      throws IOException {
    try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
      TopicName topicName = TopicName.of(projectId, topicId);

      IngestionDataSourceSettings.AzureEventHubs azureEventHubs =
          IngestionDataSourceSettings.AzureEventHubs.newBuilder()
              .setResourceGroup(resourceGroup)
              .setNamespace(namespace)
              .setEventHub(eventHub)
              .setClientId(clientId)
              .setTenantId(tenantId)
              .setSubscriptionId(subscriptionId)
              .setGcpServiceAccount(gcpServiceAccount)
              .build();
      IngestionDataSourceSettings ingestionDataSourceSettings =
          IngestionDataSourceSettings.newBuilder().setAzureEventHubs(azureEventHubs).build();

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

      System.out.println(
          "Created topic with Azure Event Hubs ingestion settings: " + topic.getAllFields());
    }
  }
}

Node.js

Antes de probar este ejemplo, sigue las instrucciones de configuración de Node.js que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API Node.js Pub/Sub.

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';
// const resourceGroup = 'YOUR_RESOURCE_GROUP';
// const namespace = 'YOUR_NAMESPACE';
// const eventHub = 'YOUR_EVENT_HUB';
// const clientId = 'YOUR_CLIENT_ID';
// const tenantId = 'YOUR_TENANT_ID';
// const subscriptionId = 'YOUR_SUBSCRIPTION_ID';
// 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 createTopicWithAzureEventHubsIngestion(
  topicNameOrId,
  resourceGroup,
  namespace,
  eventHub,
  clientId,
  tenantId,
  subscriptionId,
  gcpServiceAccount,
) {
  // Creates a new topic with Azure Event Hubs ingestion.
  await pubSubClient.createTopic({
    name: topicNameOrId,
    ingestionDataSourceSettings: {
      azureEventHubs: {
        resourceGroup,
        namespace,
        eventHub,
        clientId,
        tenantId,
        subscriptionId,
        gcpServiceAccount,
      },
    },
  });
  console.log(
    `Topic ${topicNameOrId} created with Azure Event Hubs ingestion.`,
  );
}

Node.js

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';
// const resourceGroup = 'YOUR_RESOURCE_GROUP';
// const namespace = 'YOUR_NAMESPACE';
// const eventHub = 'YOUR_EVENT_HUB';
// const clientId = 'YOUR_CLIENT_ID';
// const tenantId = 'YOUR_TENANT_ID';
// const subscriptionId = 'YOUR_SUBSCRIPTION_ID';
// 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 createTopicWithAzureEventHubsIngestion(
  topicNameOrId: string,
  resourceGroup: string,
  namespace: string,
  eventHub: string,
  clientId: string,
  tenantId: string,
  subscriptionId: string,
  gcpServiceAccount: string,
) {
  // Creates a new topic with Azure Event Hubs ingestion.
  await pubSubClient.createTopic({
    name: topicNameOrId,
    ingestionDataSourceSettings: {
      azureEventHubs: {
        resourceGroup,
        namespace,
        eventHub,
        clientId,
        tenantId,
        subscriptionId,
        gcpServiceAccount,
      },
    },
  });
  console.log(
    `Topic ${topicNameOrId} created with Azure Event Hubs ingestion.`,
  );
}

PHP

Antes de probar este ejemplo, sigue las instrucciones de configuración de PHP que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API PHP Pub/Sub.

use Google\Cloud\PubSub\PubSubClient;

/**
 * Creates a Pub/Sub topic with Azure Event Hubs ingestion.
 *
 * @param string $projectId  The Google project ID.
 * @param string $topicName  The Pub/Sub topic name.
 * @param string $resourceGroup  The name of the resource group within the azure subscription.
 * @param string $namespace  The name of the Event Hubs namespace.
 * @param string $eventHub  The name of the Event Hub.
 * @param string $clientId  The client id of the Azure application that is being used to authenticate Pub/Sub.
 * @param string $tenantId  The tenant id of the Azure application that is being used to authenticate Pub/Sub.
 * @param string $subscriptionId  The Azure subscription id.
 * @param string $gcpServiceAccount  The GCP service account to be used for Federated Identity authentication.
 */
function create_topic_with_azure_event_hubs_ingestion(
    string $projectId,
    string $topicName,
    string $resourceGroup,
    string $namespace,
    string $eventHub,
    string $clientId,
    string $tenantId,
    string $subscriptionId,
    string $gcpServiceAccount
): void {
    $pubsub = new PubSubClient([
        'projectId' => $projectId,
    ]);

    $topic = $pubsub->createTopic($topicName, [
        'ingestionDataSourceSettings' => [
            'azure_event_hubs' => [
                'resource_group' => $resourceGroup,
                'namespace' => $namespace,
                'event_hub' => $eventHub,
                'client_id' => $clientId,
                'tenant_id' => $tenantId,
                'subscription_id' => $subscriptionId,
                'gcp_service_account' => $gcpServiceAccount
            ]
        ]
    ]);

    printf('Topic created: %s' . PHP_EOL, $topic->name());
}

Python

Antes de probar este ejemplo, sigue las instrucciones de configuración de Python que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API Python 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"
# resource_group = "your-resource-group"
# namespace = "your-namespace"
# event_hub = "your-event-hub"
# client_id = "your-client-id"
# tenant_id = "your-tenant-id"
# subscription_id = "your-subscription-id"
# 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(
        azure_event_hubs=IngestionDataSourceSettings.AzureEventHubs(
            resource_group=resource_group,
            namespace=namespace,
            event_hub=event_hub,
            client_id=client_id,
            tenant_id=tenant_id,
            subscription_id=subscription_id,
            gcp_service_account=gcp_service_account,
        )
    ),
)

topic = publisher.create_topic(request=request)

print(f"Created topic: {topic.name} with Azure Event Hubs Ingestion Settings")

Ruby

Antes de probar este ejemplo, sigue las instrucciones de configuración de Ruby que se indican en la guía de inicio rápido de Pub/Sub con bibliotecas de cliente. Para obtener más información, consulta la documentación de referencia de la API Ruby Pub/Sub.

# topic_id = "your-topic-id"
# resource_group = "resource-group"
# namespace = "namespace"
# event_hub = "event-hub"
# client_id = "11111111-1111-1111-1111-11111111111"
# tenant_id = "22222222-2222-2222-2222-222222222222"
# subscription_id = "33333333-3333-3333-3333-333333333333"
# gcp_service_account = "service-account@project.iam.gserviceaccount.com"

pubsub = Google::Cloud::Pubsub.new
topic_admin = pubsub.topic_admin

topic = topic_admin.create_topic name: pubsub.topic_path(topic_id),
                                 ingestion_data_source_settings: {
                                   azure_event_hubs: {
                                     resource_group: resource_group,
                                     namespace: namespace,
                                     event_hub: event_hub,
                                     client_id: client_id,
                                     tenant_id: tenant_id,
                                     subscription_id: subscription_id,
                                     gcp_service_account: gcp_service_account
                                   }
                                 }

puts "Topic with Azure Event Hubs Ingestion #{topic.name} created."

Siguientes pasos

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Crear un tema con la ingestión de Azure Event Hubs Organízate con las colecciones Guarda y clasifica el contenido según tus preferencias.

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Código de ejemplo

C++

C#

Go

Java

Node.js

Node.js

PHP

Python

Ruby

Siguientes pasos

Crear un tema con la ingestión de Azure Event Hubs