Introduction

Infrastructure is rarely static. Existing infrastructure is scaled out or up. New infrastructure is deployed to support new applications or services. And sometimes, new infrastructure shows up. You don’t always know what it’s for, but you manage it anyhow.

Each of those events requires modifications to the Ansible inventory. Adding hosts to the inventory requires you to create a new entry in the hosts file and assign it to the appropriate groups. While doable, this can be cumbersome. Ansible solves the problem of inventory management with dynamic inventories ...