This could possibly be the most esoteric blog post I've ever written, but here it goes. So, for reasons even we have difficulty comprehending (hint: related to PXE booting in a Vagrant/Virtualbox environment) we had to find out which inactive vboxnet (hostonly) interface had the highest index. We wanted the code to (hopefully) run on […]
Writing static facts is fairly easy even with a low level of Ruby skills. Below is an example of a fact that returns true or false depending on whether the node has a /boot partition: As you can see above the required information was already inside the "mountpoints" fact of Facter. Using the fact is […]
I was recently in a situation where I needed to figure out which interface name matched a particular, static IPv4 address. On a single or a handful of nodes this could have been hardcoded in Hiera, for example, but there were dozens of nodes. The way I solved this was by creating a custom fact […]
