Make ens4 static for ceph ovs model

* make ens4 static for ceph nodes
* remove file store for glance
* remove rgw pools as we do not deploy rgw here
* set reprilcation factor to 2 as we have only 2 osd nodes
* add missed keyring part for services

Change-Id: I4eab376aef7eaa69481c37c20009106464da805e
diff --git a/classes/cluster/virtual-mcp-ocata-ovs-ceph/ceph/osd.yml b/classes/cluster/virtual-mcp-ocata-ovs-ceph/ceph/osd.yml
index 8aab729..3a26d46 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs-ceph/ceph/osd.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs-ceph/ceph/osd.yml
@@ -3,6 +3,16 @@
 - system.linux.system.repo.ceph
 - cluster.virtual-mcp-ocata-ovs-ceph
 parameters:
+  linux:
+    network:
+      interface:
+        ens4:
+          enabled: true
+          type: eth
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
+
   ceph:
     osd:
       enabled: true