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Codebeispiel

Go

Richten Sie zur Authentifizierung bei Pub/Sub Lite die Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.

import (
	"context"
	"fmt"
	"io"

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

func deleteSubscription(w io.Writer, projectID, region, location, subID string) error {
	// projectID := "my-project-id"
	// region := "us-central1"
	// NOTE: location can be either a region ("us-central1") or a zone ("us-central1-a")
	// For a list of valid locations, see https://cloud.google.com/pubsub/lite/docs/locations.
	// location := "us-central1"
	// subID := "my-subscription"
	ctx := context.Background()
	client, err := pubsublite.NewAdminClient(ctx, region)
	if err != nil {
		return fmt.Errorf("pubsublite.NewAdminClient: %w", err)
	}
	defer client.Close()

	err = client.DeleteSubscription(ctx, fmt.Sprintf("projects/%s/locations/%s/subscriptions/%s", projectID, location, subID))
	if err != nil {
		return fmt.Errorf("client.DeleteSubscription got err: %w", err)
	}
	fmt.Fprintf(w, "Deleted subscription\n")
	return nil
}

Java

import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.pubsublite.AdminClient;
import com.google.cloud.pubsublite.AdminClientSettings;
import com.google.cloud.pubsublite.CloudRegion;
import com.google.cloud.pubsublite.CloudRegionOrZone;
import com.google.cloud.pubsublite.CloudZone;
import com.google.cloud.pubsublite.ProjectNumber;
import com.google.cloud.pubsublite.SubscriptionName;
import com.google.cloud.pubsublite.SubscriptionPath;
import java.util.concurrent.ExecutionException;

public class DeleteSubscriptionExample {

  public static void main(String... args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String cloudRegion = "your-cloud-region";
    char zoneId = 'b';
    // Choose an existing subscription.
    String subscriptionId = "your-subscription-id";
    long projectNumber = Long.parseLong("123456789");
    // True if using a regional location. False if using a zonal location.
    // https://cloud.google.com/pubsub/lite/docs/topics
    boolean regional = false;

    deleteSubscriptionExample(cloudRegion, zoneId, projectNumber, subscriptionId, regional);
  }

  public static void deleteSubscriptionExample(
      String cloudRegion, char zoneId, long projectNumber, String subscriptionId, boolean regional)
      throws Exception {

    CloudRegionOrZone location;
    if (regional) {
      location = CloudRegionOrZone.of(CloudRegion.of(cloudRegion));
    } else {
      location = CloudRegionOrZone.of(CloudZone.of(CloudRegion.of(cloudRegion), zoneId));
    }

    SubscriptionPath subscriptionPath =
        SubscriptionPath.newBuilder()
            .setLocation(location)
            .setProject(ProjectNumber.of(projectNumber))
            .setName(SubscriptionName.of(subscriptionId))
            .build();

    AdminClientSettings adminClientSettings =
        AdminClientSettings.newBuilder().setRegion(CloudRegion.of(cloudRegion)).build();

    try (AdminClient adminClient = AdminClient.create(adminClientSettings)) {
      adminClient.deleteSubscription(subscriptionPath).get();
      System.out.println(subscriptionPath + " deleted successfully.");
    } catch (ExecutionException e) {
      try {
        throw e.getCause();
      } catch (NotFoundException notFound) {
        System.out.println("This subscription is not found.");
      } catch (Throwable throwable) {
        throwable.printStackTrace();
      }
    }
  }
}

Python

from google.api_core.exceptions import NotFound
from google.cloud.pubsublite import AdminClient
from google.cloud.pubsublite.types import CloudRegion, CloudZone, SubscriptionPath

# TODO(developer):
# project_number = 1122334455
# cloud_region = "us-central1"
# zone_id = "a"
# subscription_id = "your-subscription-id"
# regional = True

if regional:
    location = CloudRegion(cloud_region)
else:
    location = CloudZone(CloudRegion(cloud_region), zone_id)

subscription_path = SubscriptionPath(project_number, location, subscription_id)

client = AdminClient(cloud_region)
try:
    client.delete_subscription(subscription_path)
    print(f"{subscription_path} deleted successfully.")
except NotFound:
    print(f"{subscription_path} not found.")

Nächste Schritte

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