Ben Nemec e5a2e07301 Check for epel before installing it
instack runs this script on a system where epel has already been
installed, which causes the yum command to fail.  Only installing
the epel-release rpm when it isn't already present addresses the
issue.

Change-Id: Ia179d7c7ed69ea5f785b5dcd16394c7663a145cc
2014-10-09 13:00:12 -05:00
..

This element installs the Extra Packages for Enterprise Linux (EPEL) repository GPG key as well as configuration for yum.