refactoring of ceph ha model

Change-Id: Ic1685dfba96bc39a3f0d300de58f5b315bc65b3f
diff --git a/classes/cluster/ceph_ha/ceph/mon.yml b/classes/cluster/ceph_ha/ceph/mon.yml
new file mode 100644
index 0000000..33e9d6d
--- /dev/null
+++ b/classes/cluster/ceph_ha/ceph/mon.yml
@@ -0,0 +1,3 @@
+classes:
+- system.ceph.mon.cluster
+- cluster.ceph_ha.ceph.common
\ No newline at end of file