I recently came across this talk from Southeast Linux Fest by Jeff Propes. The talk mostly goes over the shortcomings of Ansible and various tips on how you can mitigate them (hence the name of the talk “Make Ansible Suck Less”). In particular, I found the trick he demonstrated at the beginning to mitigate the possibility of erroneously affecting multiple hosts when running a playbook quite useful. First, you add a “dummy host” to your inventory, that looks something like this: