CORD-2964 Implement new openstack models and steps

Change-Id: I32ac438e799f563b721e19ad7ebc8a033796c88e
diff --git a/xos/synchronizer/steps/sync_openstack_service.py b/xos/synchronizer/steps/sync_openstack_service.py
new file mode 100644
index 0000000..79e2df8
--- /dev/null
+++ b/xos/synchronizer/steps/sync_openstack_service.py
@@ -0,0 +1,32 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from synchronizers.new_base.modelaccessor import OpenStackService
+from newopenstacksyncstep import NewOpenStackSyncStep
+
+class SyncOpenStackService(NewOpenStackSyncStep):
+    provides=[OpenStackService]
+    requested_interval=0
+    observes=OpenStackService
+
+    def sync_record(self, service):
+        # nothing to do
+        pass
+
+    def delete_record(self, service):
+        # nothing to do
+        pass
+