Get machine if it is missing properties

Ironicclient, by default, does not return a detailed list of
nodes and shade does not provide the mechanism needed to request
a detailed list.

If the machine properties are missing then the machine details
will be requested again.

Change-Id: I46b58ae9f8ee6cbe676947b43cae7db040498c68
Closes-Bug: #1474514

playbooks/inventory/bifrost_inventory.py

@@ -307,6 +307,8 @@ def _process_shade(groups, hostvars):
     cloud = shade.operator_cloud(**options)
     machines = cloud.list_machines()
     for machine in machines:
+        if 'properties' not in machine:
+            machine = cloud.get_machine(machine['uuid'])
         if machine['name'] is None:
             name = machine['uuid']
         else: