Five thousand hosts across two clouds and a datacentre: what does your Ansible inventory look like?

Static INI files die somewhere near two hundred hosts. Point inventory plugins at the systems that already know the truth, derive groups from tags with constructed inventory, and plan for stale hosts before they page you.

Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.