stijndehaes commented on issue #4931: [AIRFLOW-4109] Added support for passing the airflow fernet key to th… URL: https://github.com/apache/airflow/pull/4931#issuecomment-474387505 Hi @XD-DENG, That way you can indeed specify the `AIRFLOW__CORE__FERNET_KEY` to your scheduler and web server, however the launched worker nodes do not get these environment variables passed. So they don't have the fernet key. Let me try making an example later in the week so we have something tangible to discuss about. My reasoning was to pass minimal needed config to the workers the sql_alchemy_conn for example is passed in exactly the same way. But maybe that one is more special than fernet key since you need it to even start up the worker.
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