Planning an installation on a machine
There are two ways to install AAP. The first involves using servers, with the latter taking advantage of OpenShift clusters. The server can be installed using physical machines or any form of virtual machine (VM). Generally, it is recommended to use a virtual machine of some kind, be it a cloud instance, something on OpenStack, or even a VM that is running on your laptop. It is assumed you know how to create these instances, as their creation and maintenance are well beyond the scope of this book. For simplicity, the term node will be used to describe a virtual machine instance.
At a minimum, the Ansible Automation controller requires a single node. That node will host the database, the control plane, and the execution portion. The same thing can be said for Automation hub. It can be installed separately on a single node, hosting both the hub and the database it uses. Both the Automation controller and Automation hub must be installed on separate...