Add super basic machine normalization

In prep for ironic_client conversion to REST, make sure we're
removing the novaclient artifacts.

Change-Id: I8ef1c5e87492310821c1a0e8ab7e2144c6a10dbc

shade/_normalize.py

@@ -1014,3 +1014,21 @@ class Normalizer(object):
             name=ret['name'], id=ret['id'])
         ret['properties'] = stack
         return ret
+
+    def _normalize_machines(self, machines):
+        """Normalize Ironic Machines"""
+        ret = []
+        for machine in machines:
+            ret.append(self._normalize_machine(machine))
+        return ret
+
+    def _normalize_machine(self, machine):
+        """Normalize Ironic Machine"""
+        machine = machine.copy()
+
+        # Discard noise
+        self._remove_novaclient_artifacts(machine)
+
+        # TODO(mordred) Normalize this resource
+
+        return machine

shade/operatorcloud.py

@@ -76,7 +76,8 @@ class OperatorCloud(openstackcloud.OpenStackCloud):
             return None
 
     def list_machines(self):
-        return self.manager.submit_task(_tasks.MachineNodeList())
+        return self._normalize_machines(
+            self.manager.submit_task(_tasks.MachineNodeList()))
 
     def get_machine(self, name_or_id):
         """Get Machine by name or uuid
@@ -90,8 +91,9 @@ class OperatorCloud(openstackcloud.OpenStackCloud):
                   nodes are found.
         """
         try:
-            return self.manager.submit_task(
-                _tasks.MachineNodeGet(node_id=name_or_id))
+            return self._normalize_machine(
+                self.manager.submit_task(
+                    _tasks.MachineNodeGet(node_id=name_or_id)))
         except ironic_exceptions.ClientException:
             return None