Add new NeutronFloatingIP object

Because floating IPs in Neutron have UUIDs for ids, a new object for
floating IPs needs to be made that can hold a UUID instead of an integer
in the id field. Fixed IPs also have UUIDs, so the fixed_ip_id field in
the floating IP object also needs to have a UUID.

Change-Id: I939c3b9d9c8f0bf5c9e441d054dc72ef8e8acd70

nova/objects/floating_ip.py

@@ -227,3 +227,16 @@ class FloatingIPList(obj_base.ObjectListBase, obj_base.NovaObject):
     @obj_base.remotable_classmethod
     def destroy(cls, context, ips):
         db.floating_ip_bulk_destroy(context, ips)
+
+
+# We don't want to register this object because it will not be passed
+# around on RPC, it just makes our lives a lot easier in the API when
+# dealing with floating IP operations
+@obj_base.NovaObjectRegistry.register_if(False)
+class NeutronFloatingIP(FloatingIP):
+    # Version 1.0: Initial Version
+    VERSION = '1.0'
+    fields = {
+        'id': fields.UUIDField(),
+        'fixed_ip_id': fields.UUIDField(nullable=True)
+    }

nova/tests/unit/objects/test_floating_ip.py

@@ -20,6 +20,7 @@ from oslo_versionedobjects import base as ovo_base
 from nova import exception
 from nova import objects
 from nova.objects import floating_ip
+from nova import test
 from nova.tests.unit.objects import test_fixed_ip
 from nova.tests.unit.objects import test_network
 from nova.tests.unit.objects import test_objects
@@ -263,3 +264,17 @@ class TestFloatingIPObject(test_objects._LocalTest,
 class TestRemoteFloatingIPObject(test_objects._RemoteTest,
                                  _TestFloatingIPObject):
     pass
+
+
+class TestNeutronFloatingIPObject(test.NoDBTestCase):
+    def test_create_with_uuid_id(self):
+        uuid = 'fc9b4956-fd97-11e5-86aa-5e5517507c66'
+        fip = objects.floating_ip.NeutronFloatingIP(id=uuid)
+
+        self.assertEqual(uuid, fip.id)
+
+    def test_create_with_uuid_fixed_id(self):
+        uuid = 'fc9b4c3a-fd97-11e5-86aa-5e5517507c66'
+        fip = objects.floating_ip.NeutronFloatingIP(fixed_ip_id=uuid)
+
+        self.assertEqual(uuid, fip.fixed_ip_id)