Définir un paramètre de nouvelle tentative pour une file d'attente

Exemple de définition d'un paramètre de nouvelle tentative d'une file d'attente pour migrer depuis des files d'attente de tâches.

Exemple de code

Java

Pour savoir comment installer et utiliser la bibliothèque cliente pour Cloud Tasks, consultez la page Bibliothèques clientes Cloud Tasks.

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

Pour savoir comment installer et utiliser la bibliothèque cliente pour Cloud Tasks, consultez la page Bibliothèques clientes Cloud Tasks.

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)