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ASF GitHub Bot commented on AIRFLOW-3383: ----------------------------------------- jmcarp opened a new pull request #4225: [AIRFLOW-3383] Rotate fernet keys. URL: https://github.com/apache/incubator-airflow/pull/4225 Make sure you have checked _all_ steps below. ### Jira - [x] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR" - https://issues.apache.org/jira/browse/AIRFLOW-3383 - In case you are fixing a typo in the documentation you can prepend your commit with \[AIRFLOW-XXX\], code changes always need a Jira issue. ### Description - [x] Here are some details about my PR, including screenshots of any UI changes: As far as I can tell, it's not straightforward to rotate the fernet key for encrypted passwords and extras. A user would have to generate a new key, restart airflow, and manually re-enter each value to be encrypted via the web interface. It should be possible to specify multiple fernet keys at once, and to easily re-encrypt values with a new key. The cryptography package provides a MultiFernet class with a rotate method that handles this use case, so I wrote up a patch that uses MultiFernet to support multiple keys and rotation via the command line. With this approach, we can rotate keys by adding a new key at the start of the FERNET_KEYS config variable, then running the rotate_credentials command from the command line. If the approach makes sense, I'll write up some documentation. ### Tests - [x] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason: ### Commits - [x] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)": 1. Subject is separated from body by a blank line 1. Subject is limited to 50 characters (not including Jira issue reference) 1. Subject does not end with a period 1. Subject uses the imperative mood ("add", not "adding") 1. Body wraps at 72 characters 1. Body explains "what" and "why", not "how" ### Documentation - [ ] In case of new functionality, my PR adds documentation that describes how to use it. - When adding new operators/hooks/sensors, the autoclass documentation generation needs to be added. ### Code Quality - [x] Passes `flake8` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Simplify fernet key rotation > ---------------------------- > > Key: AIRFLOW-3383 > URL: https://issues.apache.org/jira/browse/AIRFLOW-3383 > Project: Apache Airflow > Issue Type: Improvement > Reporter: Josh Carp > Priority: Minor > > As far as I can tell, it's not straightforward to rotate the fernet key for > encrypted passwords and extras. A user would have to generate a new key, > restart airflow, and manually re-enter each value to be encrypted via the web > interface. It should be possible to specify multiple fernet keys at once, and > to easily re-encrypt values with a new key. The cryptography package provides > a MultiFernet class with a rotate method that handles this use case, so I > wrote up a patch that uses MultiFernet to support multiple keys and rotation > via the command line. -- This message was sent by Atlassian JIRA (v7.6.3#76005)