Wiederholungsparameter für eine Warteschlange festlegen

Beispiel für das Festlegen eines Wiederholungsparameters für eine Warteschlange für die Migration aus Aufgabenwarteschlangen.

Codebeispiel

Java

Informationen zum Installieren und Verwenden der Clientbibliothek für Cloud Tasks finden Sie unter Cloud Tasks-Clientbibliotheken. 

import com.google.cloud.tasks.v2.CloudTasksClient;
import com.google.cloud.tasks.v2.LocationName;
import com.google.cloud.tasks.v2.Queue;
import com.google.cloud.tasks.v2.QueueName;
import com.google.cloud.tasks.v2.RateLimits;
import com.google.cloud.tasks.v2.RetryConfig;
import com.google.protobuf.Duration;

public class RetryTask {
  public static void retryTask(
      String projectId, String locationId, String fooqueue, String barqueue, String bazqueue)
      throws Exception {
    try (CloudTasksClient client = CloudTasksClient.create()) {
      // TODO(developer): Uncomment these lines and replace with your values.
      // String projectId = "your-project-id";
      // String locationId = "us-central1";
      // String fooqueue = "fooqueue";
      // String barqueue = "barqueue";
      // String bazqueue = "bazqueue";

      LocationName parent = LocationName.of(projectId, locationId);

      Duration retryDuration = Duration.newBuilder().setSeconds(2 * 60 * 60 * 24).build();
      Duration min = Duration.newBuilder().setSeconds(10).build();
      Duration max1 = Duration.newBuilder().setSeconds(200).build();
      Duration max2 = Duration.newBuilder().setSeconds(300).build();

      Queue foo =
          Queue.newBuilder()
              .setName(QueueName.of(projectId, locationId, fooqueue).toString())
              .setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
              .setRetryConfig(
                  RetryConfig.newBuilder().setMaxAttempts(7).setMaxRetryDuration(retryDuration))
              .build();

      Queue bar =
          Queue.newBuilder()
              .setName(QueueName.of(projectId, locationId, barqueue).toString())
              .setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
              .setRetryConfig(
                  RetryConfig.newBuilder()
                      .setMinBackoff(min)
                      .setMaxBackoff(max1)
                      .setMaxDoublings(0))
              .build();

      Queue baz =
          Queue.newBuilder()
              .setName(QueueName.of(projectId, locationId, bazqueue).toString())
              .setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
              .setRetryConfig(
                  RetryConfig.newBuilder()
                      .setMinBackoff(min)
                      .setMaxBackoff(max2)
                      .setMaxDoublings(3))
              .build();

      Queue[] queues = new Queue[] {foo, bar, baz};
      for (Queue queue : queues) {
        Queue response = client.createQueue(parent, queue);
        System.out.println(response);
      }
    }
  }
}

Python

Informationen zum Installieren und Verwenden der Clientbibliothek für Cloud Tasks finden Sie unter Cloud Tasks-Clientbibliotheken. 

from google.protobuf import duration_pb2

client = tasks.CloudTasksClient()

# TODO(developer): Uncomment these lines and replace with your values.
# project = 'my-project-id'
# location = 'us- central1'
# fooqueue = 'fooqueue'
# barqueue = 'barqueue'
# bazqueue = 'bazqueue'

parent = f"projects/{project}/locations/{location}"

max_retry = duration_pb2.Duration()
max_retry.seconds = 2*60*60*24

foo = {
    'name': client.queue_path(project, location, fooqueue),
    'rate_limits': {
        'max_dispatches_per_second': 1
    },
    'retry_config': {
        'max_attempts': 7,
        'max_retry_duration': max_retry
    }
}

min = duration_pb2.Duration()
min.seconds = 10

max = duration_pb2.Duration()
max.seconds = 200

bar = {
    'name': client.queue_path(project, location, barqueue),
    'rate_limits': {
        'max_dispatches_per_second': 1
    },
    'retry_config': {
        'min_backoff': min,
        'max_backoff': max,
        'max_doublings': 0
    }
}

max.seconds = 300
baz = {
    'name': client.queue_path(project, location, bazqueue),
    'rate_limits': {
        'max_dispatches_per_second': 1
    },
    'retry_config': {
        'min_backoff': min,
        'max_backoff': max,
        'max_doublings': 3
    }
}

queues = [foo, bar, baz]
for queue in queues:
    response = client.create_queue(parent=parent, queue=queue)
    print(response)

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser