Ansible allows you to define variables in many ways, from a variable file within a playbook, by passing it from the Ansible command using the -e / --extra-vars option. You can also do it by passing it to an inventory file. You can define variables in an inventory file either on a per-host basis, for an entire group, or by creating a variable file in the directory where your inventory file exists.
Working with variables
Host variables
It's possible to declare variables for a specific host, declaring them in the hosts file. For instance, we may want to specify different engines for our web servers. Let's suppose that one needs to reply to a specific domain, while the other needs to reply to a different domain name...
