This commit enables StarlingX Dashboard to display and allow
configuration of Ceph on a standard 2 controllers and 2 computes
configuration. For this to work we use deployment_model in the
'cluster' API of System Inventory and show or hide specific
panels and options from view.
Change-Id: I998bc8083720425bdca10c6876e1c2ed99235bf9
Implements: containerization-2002844-CEPH-persistent-storage-backend-for-Kubernetes
Story: 2002844
Task: 29113
Depends-On: https://review.openstack.org/633257
Signed-off-by: Ovidiu Poncea <Ovidiu.Poncea@windriver.com>