ashb commented on a change in pull request #7276: [AIRFLOW-5391] Do not run
skipped tasks when they are cleared
URL: https://github.com/apache/airflow/pull/7276#discussion_r381942951
##########
File path: airflow/models/skipmixin.py
##########
@@ -65,13 +68,53 @@ def skip(self, dag_run, execution_date, tasks,
session=None):
ti.end_date = now
session.merge(ti)
- session.commit()
+ @provide_session
+ def skip(
+ self, dag_run, execution_date, tasks, session=None,
+ ):
+ """
+ Sets tasks instances to skipped from the same dag run.
+ If `task_id` is a valid attribute, store the list of skipped task IDs
to XCom
+ so that NotPreviouslySkippedDep knows these tasks should be skipped
when they
+ are cleared.
+
+ :param dag_run: the DagRun for which to set the tasks to skipped
+ :param execution_date: execution_date
+ :param tasks: tasks to skip (not task_ids)
+ :param session: db session to use
+ """
+ if not tasks:
+ return
+
+ self._set_state_to_skipped(dag_run, execution_date, tasks, session)
+ session.commit()
+
+ # SkipMixin may not necessarily have a task_id attribute. Only store
to XCom if one is available.
+ try:
+ task_id = self.task_id
+ except AttributeError:
+ task_id = None
+
+ if task_id is not None:
+ from airflow.models.xcom import XCom
+
+ XCom.set(
+ key=XCOM_SKIPMIXIN_KEY,
+ value={XCOM_SKIPMIXIN_SKIPPED: [d.task_id for d in tasks]},
+ task_id=task_id,
+ dag_id=dag_run.dag_id,
+ execution_date=dag_run.execution_date,
Review comment:
```suggestion
execution_date=dag_run.execution_date,
session=session
```
----------------------------------------------------------------
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.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
