syedahsn commented on code in PR #30853:
URL: https://github.com/apache/airflow/pull/30853#discussion_r1186398503
##########
airflow/providers/amazon/aws/operators/redshift_cluster.py:
##########
@@ -524,64 +527,52 @@ def __init__(
aws_conn_id: str = "aws_default",
deferrable: bool = False,
poll_interval: int = 10,
+ max_attempts: int = 15,
**kwargs,
):
super().__init__(**kwargs)
self.cluster_identifier = cluster_identifier
self.aws_conn_id = aws_conn_id
self.deferrable = deferrable
+ self.max_attempts = max_attempts
self.poll_interval = poll_interval
- # These parameters are added to address an issue with the boto3 API
where the API
+ # These parameters are used to address an issue with the boto3 API
where the API
# prematurely reports the cluster as available to receive requests.
This causes the cluster
# to reject initial attempts to pause the cluster despite reporting
the correct state.
self._attempts = 10
self._attempt_interval = 15
def execute(self, context: Context):
redshift_hook = RedshiftHook(aws_conn_id=self.aws_conn_id)
+ while self._attempts >= 1:
+ try:
+
redshift_hook.get_conn().pause_cluster(ClusterIdentifier=self.cluster_identifier)
+ break
+ except
redshift_hook.get_conn().exceptions.InvalidClusterStateFault as error:
+ self._attempts = self._attempts - 1
+ if self._attempts > 0:
+ self.log.error("Unable to pause cluster. %d attempts
remaining.", self._attempts)
+ time.sleep(self._attempt_interval)
+ else:
+ raise error
if self.deferrable:
self.defer(
- timeout=self.execution_timeout,
- trigger=RedshiftClusterTrigger(
- task_id=self.task_id,
+ trigger=RedshiftPauseClusterTrigger(
+ cluster_identifier=self.cluster_identifier,
poll_interval=self.poll_interval,
+ max_attempts=self.max_attempts,
Review Comment:
Thinking about it a bit more, does Airflow support emitting a TriggerEvent
on Trigger timeout? There is a `cleanup` method that executes after `run` but
can we emit a TriggerEvent from there? Or is there a better way?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
