Impostare il parametro dei nuovi tentativi per una coda

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Imposta il parametro Riprova per una coda per la migrazione da code di attività di esempio.

Per saperne di più

Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:

Esempio di codice

Java

Per scoprire come installare e utilizzare la libreria client per Cloud Tasks, consulta la pagina relativa alle librerie client di 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

Per scoprire come installare e utilizzare la libreria client per Cloud Tasks, consulta la pagina relativa alle librerie client di 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)

Passaggi successivi

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