potiuk commented on code in PR #36513: URL: https://github.com/apache/airflow/pull/36513#discussion_r1438929790
########## docs/apache-airflow/core-concepts/overview.rst: ########## @@ -43,13 +43,26 @@ An Airflow installation generally consists of the following components: Basic airflow architecture -------------------------- -This is the basic architecture of Airflow that you'll see in simple installations: +This is the basic architecture of Airflow that you'll see in simple installations. + +Note that even in the simple installation, Airflow Webserver does not access the DAG files directly +(the code you see in the Code tab of the UI is synchronized via the metadata database). + +This is to allow for a more secure deployment, where the webserver has never the need or even +possibility to executed code submitted by DAG authors, the only custom code that webserver can +execute are the plugins and those should be only installed and deployed by the Airflow Deployment Manager. .. image:: ../img/diagram_basic_airflow_architecture.png -Most executors will generally also introduce other components to let them talk to their workers - like a task queue - but you can still think of the executor and its workers as a single logical component in Airflow overall, handling the actual task execution. +Note that executor is only briefly mentioned as a link between Scheduler and workers. +The executors will generally also introduce other components to let them talk to their workers - +like a task queue - but you can still think of the executor and its workers as a single logical +component in Airflow overall, handling the actual task execution - where executor is controlled by the +scheduler. -Airflow itself is agnostic to what you're running - it will happily orchestrate and run anything, either with high-level support from one of our providers, or directly as a command using the shell or Python :doc:`operators`. +Airflow itself is agnostic to what you're running - it will happily orchestrate and run anything, +either with high-level support from one of our providers, or directly as a command using the shell Review Comment: Added more links to specific docs in the overview. -- 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. To unsubscribe, e-mail: commits-unsubscr...@airflow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
