Case study: Imagine that firewalld needs to be configured on multiple servers with Ansible. Different servers might have different ports and services are allowed through the firewall. But at the same time some settings are same across all servers, for example the default zone. This article will attempt to provide the best way to configure host_vars and group_vars for firewalld configuration. Since the main focus of this article is on variables, only localhost will be used in examples below.
