[GitHub] [airflow] BobasB commented on issue #9722: Airflow can't import DAG in UI and logs, but manual DAG trigger works

[GitBox <gi...@apache.org>]

BobasB commented on issue #9722:
URL: https://github.com/apache/airflow/issues/9722#issuecomment-680962851


   Hi, 
   For those who interested in this issue. I have solved it for myself, and for short, the problem was init-container with git-sync for Webserver.
   In my deployment, I have Scheduler with init + side-car containers for git-sync, and for Webserver only side-car container for git-sync. 
   - Without network policies, git-sync container starts faster than Airflow Webserver and Airflow see this PATH for import and can import. (Also, if I start another Airflow Webserver with another PID/k8s port in already running container it works correctly).
   - When network policies were applied to Airflow, Airflow start faster than in side-car container (git-sync) and doesn't saw PATH for imports.
   
   By adding git-sync init container to Webserver and Scheduler, dags volume always will be initialized before Airflow starts.
   
   Maybe it is Airflow bug, but the problem is: when Airflow starts and PATH doesn't exist it will never be visible for import in future.


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