==== Unit (instance) examples ====
we should use the Expand '''sstOpenStackUnit''' with '''sstServer''' object classattributes.
...
<source lang="ldif">
dn: uid=3733327,ou=units,ou=openstack,ou=services,dc=stoney-cloud,dc=org
objectclass: top
objectclass: sstServer
objectclass: sstOpenStackUnit
objectclass: sstProvisioning