[GitHub] [airflow] arkadiusz-bach commented on issue #21225: Tasks stuck in queued state

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

arkadiusz-bach commented on issue #21225:
URL: https://github.com/apache/airflow/issues/21225#issuecomment-1101345135

   In kubernetes_executor.py:
   
   - At the beginning import conf and SQLAlchemy 'and_' operator:
     ```
     from airflow.configuration import conf
     from sqlalchemy import and_
     ```
   - Inside \_\_init\_\_ of KubernetesExecutor class:
      ```
       self.is_celery_kubernetes_executor = conf.get('core', 'executor') == 'CeleryKubernetesExecutor': 
       self.kubernetes_queue = conf.get('celery_kubernetes_executor', 'kubernetes_queue')
      ```
    - Replace
       https://github.com/apache/airflow/blob/5a6a2d604979cb70c5c9d3797738f0876dd38c3b/airflow/executors/kubernetes_executor.py#L455
      With:
      ```
       if self.is_celery_kubernetes_executor:
           queued_tasks = session.query(TaskInstance).filter(and_(TaskInstance.state = State.QUEUED, TaskInstance.queue == self.kubernetes_queue)).all()
       else:
           queued_tasks = session.query(TaskInstance).filter(TaskInstance.state = State.QUEUED).all()
      ```
   
   PS: I just wrote that in notepad, so please check whether there are no syntax errors


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