建立 Pub/Sub Sink 連接器

resource "google_managed_kafka_connector" "example-pubsub-sink-connector" {
  project         = data.google_project.default.project_id
  connector_id    = "my-pubsub-sink-connector"
  connect_cluster = google_managed_kafka_connect_cluster.default.connect_cluster_id
  location        = "us-central1"

  configs = {
    "connector.class" = "com.google.pubsub.kafka.sink.CloudPubSubSinkConnector"
    "name"            = "my-pubsub-sink-connector"
    "tasks.max"       = "3"
    "topics"          = "TOPIC_NAME"
    "cps.topic"       = "CPS_TOPIC_NAME"
    "cps.project"     = "CPS_PROJECT_NAME"
    "value.converter" = "org.apache.kafka.connect.storage.StringConverter"
    "key.converter"   = "org.apache.kafka.connect.storage.StringConverter"
  }

  provider = google-beta
}

import (
	"context"
	"fmt"
	"io"

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

// createPubSubSinkConnector creates a Pub/Sub Sink connector.
func createPubSubSinkConnector(w io.Writer, projectID, region, connectClusterID, connectorID, topics, valueConverter, keyConverter, cpsTopic, cpsProject, tasksMax string, opts ...option.ClientOption) error {
	// TODO(developer): Update with your config values. Here is a sample configuration:
	// projectID := "my-project-id"
	// region := "us-central1"
	// connectClusterID := "my-connect-cluster"
	// connectorID := "CPS_SINK_CONNECTOR_ID"
	// topics := "GMK_TOPIC_ID"
	// valueConverter := "org.apache.kafka.connect.storage.StringConverter"
	// keyConverter := "org.apache.kafka.connect.storage.StringConverter"
	// cpsTopic := "CPS_TOPIC_ID"
	// cpsProject := "GCP_PROJECT_ID"
	// tasksMax := "3"
	ctx := context.Background()
	client, err := managedkafka.NewManagedKafkaConnectClient(ctx, opts...)
	if err != nil {
		return fmt.Errorf("managedkafka.NewManagedKafkaConnectClient got err: %w", err)
	}
	defer client.Close()

	parent := fmt.Sprintf("projects/%s/locations/%s/connectClusters/%s", projectID, region, connectClusterID)

	// Pub/Sub Sink sample connector configuration
	config := map[string]string{
		"connector.class": "com.google.pubsub.kafka.sink.CloudPubSubSinkConnector",
		"name":            connectorID,
		"tasks.max":       tasksMax,
		"topics":          topics,
		"value.converter": valueConverter,
		"key.converter":   keyConverter,
		"cps.topic":       cpsTopic,
		"cps.project":     cpsProject,
	}

	connector := &managedkafkapb.Connector{
		Name:    fmt.Sprintf("%s/connectors/%s", parent, connectorID),
		Configs: config,
	}

	req := &managedkafkapb.CreateConnectorRequest{
		Parent:      parent,
		ConnectorId: connectorID,
		Connector:   connector,
	}

	resp, err := client.CreateConnector(ctx, req)
	if err != nil {
		return fmt.Errorf("client.CreateConnector got err: %w", err)
	}
	fmt.Fprintf(w, "Created Pub/Sub sink connector: %s\n", resp.Name)
	return nil
}

import com.google.api.gax.rpc.ApiException;
import com.google.cloud.managedkafka.v1.ConnectClusterName;
import com.google.cloud.managedkafka.v1.Connector;
import com.google.cloud.managedkafka.v1.ConnectorName;
import com.google.cloud.managedkafka.v1.CreateConnectorRequest;
import com.google.cloud.managedkafka.v1.ManagedKafkaConnectClient;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class CreatePubSubSinkConnector {

  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
    String connectClusterId = "my-connect-cluster";
    String connectorId = "my-pubsub-sink-connector";
    String pubsubProjectId = "my-pubsub-project-id";
    String pubsubTopicName = "my-pubsub-topic";
    String kafkaTopicName = "kafka-topic";
    String connectorClass = "com.google.pubsub.kafka.sink.CloudPubSubSinkConnector";
    String maxTasks = "3";
    String valueConverter = "org.apache.kafka.connect.storage.StringConverter";
    String keyConverter = "org.apache.kafka.connect.storage.StringConverter";
    createPubSubSinkConnector(
        projectId,
        region,
        connectClusterId,
        connectorId,
        pubsubProjectId,
        pubsubTopicName,
        kafkaTopicName,
        connectorClass,
        maxTasks,
        valueConverter,
        keyConverter);
  }

  public static void createPubSubSinkConnector(
      String projectId,
      String region,
      String connectClusterId,
      String connectorId,
      String pubsubProjectId,
      String pubsubTopicName,
      String kafkaTopicName,
      String connectorClass,
      String maxTasks,
      String valueConverter,
      String keyConverter)
      throws Exception {

    // Build the connector configuration
    Map<String, String> configMap = new HashMap<>();
    configMap.put("connector.class", connectorClass);
    configMap.put("name", connectorId);
    configMap.put("tasks.max", maxTasks);
    configMap.put("topics", kafkaTopicName);
    configMap.put("value.converter", valueConverter);
    configMap.put("key.converter", keyConverter);
    configMap.put("cps.topic", pubsubTopicName);
    configMap.put("cps.project", pubsubProjectId);

    Connector connector = Connector.newBuilder()
        .setName(
            ConnectorName.of(projectId, region, connectClusterId, connectorId).toString())
        .putAllConfigs(configMap)
        .build();

    try (ManagedKafkaConnectClient managedKafkaConnectClient = ManagedKafkaConnectClient.create()) {
      CreateConnectorRequest request = CreateConnectorRequest.newBuilder()
          .setParent(ConnectClusterName.of(projectId, region, connectClusterId).toString())
          .setConnectorId(connectorId)
          .setConnector(connector)
          .build();

      // This operation is being handled synchronously.
      Connector response = managedKafkaConnectClient.createConnector(request);
      System.out.printf("Created Pub/Sub Sink connector: %s\n", response.getName());
    } catch (IOException | ApiException e) {
      System.err.printf("managedKafkaConnectClient.createConnector got err: %s\n", e.getMessage());
    }
  }
}

from google.api_core.exceptions import GoogleAPICallError
from google.cloud.managedkafka_v1.services.managed_kafka_connect import (
    ManagedKafkaConnectClient,
)
from google.cloud.managedkafka_v1.types import Connector, CreateConnectorRequest

connect_client = ManagedKafkaConnectClient()
parent = connect_client.connect_cluster_path(project_id, region, connect_cluster_id)

configs = {
    "connector.class": "com.google.pubsub.kafka.sink.CloudPubSubSinkConnector",
    "name": connector_id,
    "tasks.max": tasks_max,
    "topics": topics,
    "value.converter": value_converter,
    "key.converter": key_converter,
    "cps.topic": cps_topic,
    "cps.project": cps_project,
}

connector = Connector()
connector.name = connector_id
connector.configs = configs

request = CreateConnectorRequest(
    parent=parent,
    connector_id=connector_id,
    connector=connector,
)

try:
    operation = connect_client.create_connector(request=request)
    print(f"Waiting for operation {operation.operation.name} to complete...")
    response = operation.result()
    print("Created Connector:", response)
except GoogleAPICallError as e:
    print(f"The operation failed with error: {e}")