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
5 files changed