pacemaker: create Mysql_user once Galera is ready (puppet4)
pacemaker: create Mysql_user once Galera is ready (puppet4)

Puppet 4 ordering make things more strict in catalog, which is good.
Resources have to be orchestrated or Puppet will take them in the order
they are found in catalog.

This patch makes sure we create MySQL users only when Galera is actually
ready.

Closes-Bug: #1645787
Change-Id: I536a1a128c3a7eca49bcc4f34a1307bcd60b029e

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