Let's talk about passing extra Playbook variables from command line. First off, why would you want to do it? Maybe you want to execute task only if a variable is defined, which is handy for debugs and tasks with additional processing. Or maybe you have a more generic playbook that can work with more than one version of OS, and you want your user to decide which one OS he wants to run Playbook for. I will show in this post how we can tackle both of these problems. Contents Introduction to extra variables Execute task when variable is defined...
