[GitHub] [airflow] ashb commented on issue #16398: Enhance impersonation on Restful API

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

ashb commented on issue #16398:
URL: https://github.com/apache/airflow/issues/16398#issuecomment-875489732


   Do you want the run_as_user value of the dag to change based on which user submits the trigger DAG API call?
   
   That is not currently possible at all, so this is a bigger feature request than you might realise -- the run_as_user and all other task properties for a DAG come from the python file, and the python file only, so there's no real mechansim to control this.
   
   So first step on this: we need to come up with a design for letting some properties of the dag be overridden based on the DagRun.
   
   We have `dagrun.conf` already, which is one possible way, but that is only accessible to DAGs via template (i.e. `{{
   dag_run.conf.some_param }}`) which only applies to some fields.
   
   🤔 


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