Do not use hardcoded controller_node_names when setting up the cluster
Do not use hardcoded controller_node_names when setting up the cluster

Currently we chose the pacemaker cluster node by simply taking
hiera('controller_node_names'). We should instead use the
pacemaker_short_node_names array which is built dynamically
from all the nodes that include the pacemaker service.

Change-Id: I0a3e4acaab11e078da5eeb2ef2adde5387785927

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo