[CHANGE ME] Re-generated pubsub to pick up changes in the API or client library generator.

pubsub/google/cloud/pubsub_v1/gapic/subscriber_client.py

@@ -246,6 +246,7 @@ def create_subscription(
  labels=None,
  enable_message_ordering=None,
  expiration_policy=None,
+ dead_letter_policy=None,
  retry=google.api_core.gapic_v1.method.DEFAULT,
  timeout=google.api_core.gapic_v1.method.DEFAULT,
  metadata=None,
@@ -340,6 +341,20 @@ def create_subscription(
 
  If a dict is provided, it must be of the same form as the protobuf
  message :class:`~google.cloud.pubsub_v1.types.ExpirationPolicy`
+ dead_letter_policy (Union[dict, ~google.cloud.pubsub_v1.types.DeadLetterPolicy]): A policy that specifies the conditions for dead lettering messages in
+ this subscription. If dead\_letter\_policy is not set, dead lettering is
+ disabled.
+
+ The Cloud Pub/Sub service account associated with this subscriptions's
+ parent project (i.e.,
+ service-{project\_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+ have permission to Acknowledge() messages on this subscription.
+ EXPERIMENTAL: This feature is part of a closed alpha release. This API
+ might be changed in backward-incompatible ways and is not recommended
+ for production use. It is not subject to any SLA or deprecation policy.
+
+ If a dict is provided, it must be of the same form as the protobuf
+ message :class:`~google.cloud.pubsub_v1.types.DeadLetterPolicy`
  retry (Optional[google.api_core.retry.Retry]): A retry object used
  to retry requests. If ``None`` is specified, requests will
  be retried using a default configuration.
@@ -380,6 +395,7 @@ def create_subscription(
  labels=labels,
  enable_message_ordering=enable_message_ordering,
  expiration_policy=expiration_policy,
+ dead_letter_policy=dead_letter_policy,
  )
  if metadata is None:
  metadata = []
@@ -932,8 +948,9 @@ def pull(
  Args:
  subscription (str): The subscription from which messages should be pulled. Format is
  ``projects/{project}/subscriptions/{sub}``.
- max_messages (int): The maximum number of messages returned for this request. The Pub/Sub
- system may return fewer than the number specified.
+ max_messages (int): The maximum number of messages to return for this request. Must be a
+ positive integer. The Pub/Sub system may return fewer than the number
+ specified.
  return_immediately (bool): If this field set to true, the system will respond immediately even if
  it there are no messages available to return in the ``Pull`` response.
  Otherwise, the system may wait (for a bounded amount of time) until at

pubsub/google/cloud/pubsub_v1/proto/pubsub.proto

@@ -609,6 +609,52 @@ message Subscription {
  // *default policy* with `ttl` of 31 days will be used. The minimum allowed
  // value for `expiration_policy.ttl` is 1 day.
  ExpirationPolicy expiration_policy = 11;
+
+ // A policy that specifies the conditions for dead lettering messages in
+ // this subscription. If dead_letter_policy is not set, dead lettering
+ // is disabled.
+ //
+ // The Cloud Pub/Sub service account associated with this subscriptions's
+ // parent project (i.e.,
+ // service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
+ // permission to Acknowledge() messages on this subscription.
+ // <b>EXPERIMENTAL:</b> This feature is part of a closed alpha release. This
+ // API might be changed in backward-incompatible ways and is not recommended
+ // for production use. It is not subject to any SLA or deprecation policy.
+ DeadLetterPolicy dead_letter_policy = 13;
+}
+
+// Dead lettering is done on a best effort basis. The same message might be
+// dead lettered multiple times.
+//
+// If validation on any of the fields fails at subscription creation/updation,
+// the create/update subscription request will fail.
+message DeadLetterPolicy {
+ // The name of the topic to which dead letter messages should be published.
+ // Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
+ // account associated with the enclosing subscription's parent project (i.e.,
+ // service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
+ // permission to Publish() to this topic.
+ //
+ // The operation will fail if the topic does not exist.
+ // Users should ensure that there is a subscription attached to this topic
+ // since messages published to a topic with no subscriptions are lost.
+ string dead_letter_topic = 1;
+
+ // The maximum number of delivery attempts for any message. The value must be
+ // between 5 and 100.
+ //
+ // The number of delivery attempts is defined as 1 + (the sum of number of
+ // NACKs and number of times the acknowledgement deadline has been exceeded
+ // for the message).
+ //
+ // A NACK is any call to ModifyAckDeadline with a 0 deadline. Note that
+ // client libraries may automatically extend ack_deadlines.
+ //
+ // This field will be honored on a best effort basis.
+ //
+ // If this parameter is 0, a default value of 5 is used.
+ int32 max_delivery_attempts = 2;
 }
 
 // A policy that specifies the conditions for resource expiration (i.e.,
@@ -770,8 +816,9 @@ message PullRequest {
  // least one message is available, rather than returning no messages.
  bool return_immediately = 2;
 
- // The maximum number of messages returned for this request. The Pub/Sub
- // system may return fewer than the number specified.
+ // The maximum number of messages to return for this request. Must be a
+ // positive integer. The Pub/Sub system may return fewer than the number
+ // specified.
  int32 max_messages = 3;
 }