o-nikolas commented on a change in pull request #16685:
URL: https://github.com/apache/airflow/pull/16685#discussion_r664939787
##########
File path: airflow/providers/amazon/aws/operators/ecs.py
##########
@@ -264,6 +276,21 @@ def _start_task(self):
self.log.info('ECS Task started: %s', response)
self.arn = response['tasks'][0]['taskArn']
+ ecs_task_id = self.arn.split("/")[-1]
+ self.log.info(f"ECS task ID is: {ecs_task_id}")
+
+ if self.reattach:
+ # Save the task ARN in XCom to be able to reattach it if needed
+ self._xcom_set(context, key="ecs_task_arn", value=self.arn,
task_id=f"{self.task_id}_task_arn")
+
+ def _xcom_set(self, context, key, value, task_id):
Review comment:
This just contains a single line and is only used once, do we need the
helper? Or did you use this mostly to make patching in your testing easier
(which is completely valid IMHO)?
##########
File path: airflow/providers/amazon/aws/operators/ecs.py
##########
@@ -264,6 +276,21 @@ def _start_task(self):
self.log.info('ECS Task started: %s', response)
self.arn = response['tasks'][0]['taskArn']
+ ecs_task_id = self.arn.split("/")[-1]
+ self.log.info(f"ECS task ID is: {ecs_task_id}")
+
+ if self.reattach:
+ # Save the task ARN in XCom to be able to reattach it if needed
+ self._xcom_set(context, key="ecs_task_arn", value=self.arn,
task_id=f"{self.task_id}_task_arn")
Review comment:
Minor nit: the magic string `"ecs_task_arn"` is used in a couple places.
Perhaps put this in a constant. You could also use a templated string constant
for the task_id
##########
File path: airflow/providers/amazon/aws/operators/ecs.py
##########
@@ -274,15 +301,14 @@ def _try_reattach_task(self):
)
running_tasks = list_tasks_resp['taskArns']
- running_tasks_count = len(running_tasks)
- if running_tasks_count > 1:
- self.arn = running_tasks[0]
- self.log.warning('More than 1 ECS Task found. Reattaching to %s',
self.arn)
- elif running_tasks_count == 1:
- self.arn = running_tasks[0]
- self.log.info('Reattaching task: %s', self.arn)
+ # Check if the ECS task previously launched is already running
+ previous_task_arn =
self.xcom_pull(task_ids=f"{self.task_id}_task_arn", key="ecs_task_arn")
+ self.log.info(f"Previously launched task = {previous_task_arn}")
Review comment:
Nit: It probably adds noise to log this if we're not going to use it. I
think the log line inside the if statement below is sufficient.
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