Automation makes things repeatable. If errors happen, in the "cattle not pets" mindset, you nuke it from orbit and let Ansible make you a new one from a clean

Automation makes things repeatable. If errors happen, in the "cattle not pets" mindset, you nuke it from orbit and let Ansible make you a new one from a clean Debian/RHEL image. As long as your backup of user data is good(Better double check that script, if you have a script for that) it doesn't matter. As long as you avoid technology that takes more than a few minutes to set up, rebuilding is trivial.