base_epel is a role that other base roles depend on.
RHEL- like system
define or undefine the yum proxy
yum_proxy_url: http:https://proxy.example.com:3128
base_common is a role that other base roles depend on for RHEL behind a proxy.
Refer to a complete build server https://github.com/bbaassssiiee/buildserver
MIT
Bas Meijer @bbaassssiiee