Add glusterfs hosts to oo_all_hosts so that hosts set initial facts.

playbooks/byo/openshift-cluster/cluster_hosts.yml

@@ -20,4 +20,5 @@ g_glusterfs_registry_hosts: "{{ groups.glusterfs_registry | default(g_glusterfs_
 g_all_hosts: "{{ g_master_hosts | union(g_node_hosts) | union(g_etcd_hosts)
                  | union(g_lb_hosts) | union(g_nfs_hosts)
                  | union(g_new_node_hosts)| union(g_new_master_hosts)
+                 | union(g_glusterfs_hosts)
                  | default([]) }}"