[CORD-2088] Create a new service, sdn-controller, for vSPGW

Change-Id: Icfecdc3ef9bb3691267a35644a5d5d1930a63a6f
(cherry picked from commit 8400e1151753e263b0fa3c506ffcba8c5bdca1b6)
diff --git a/xos/synchronizer/steps/sdncontrollerserviceinstance_playbook.yaml b/xos/synchronizer/steps/sdncontrollerserviceinstance_playbook.yaml
new file mode 100644
index 0000000..35148b5
--- /dev/null
+++ b/xos/synchronizer/steps/sdncontrollerserviceinstance_playbook.yaml
@@ -0,0 +1,23 @@
+# 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.
+
+---
+- hosts: {{ instance_name }}
+  gather_facts: False
+  connection: ssh
+  user: ubuntu
+  sudo: yes
+  tasks:
+  vars:
+
diff --git a/xos/synchronizer/steps/sync_sdncontrollerserviceinstance.py b/xos/synchronizer/steps/sync_sdncontrollerserviceinstance.py
new file mode 100644
index 0000000..49d4dd0
--- /dev/null
+++ b/xos/synchronizer/steps/sync_sdncontrollerserviceinstance.py
@@ -0,0 +1,39 @@
+# 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.
+
+import os
+import sys
+from django.db.models import Q, F
+from synchronizers.new_base.modelaccessor import *
+from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
+
+parentdir = os.path.join(os.path.dirname(__file__), "..")
+sys.path.insert(0, parentdir)
+
+class SyncSDNControllerServiceInstance(SyncInstanceUsingAnsible):
+
+    provides = [SDNControllerServiceInstance]
+
+    observes = SDNControllerServiceInstance
+
+    requested_interval = 0
+
+    template_name = "sdncontrollerserviceinstance_playbook.yaml"
+
+    service_key_name = "/opt/xos/configurations/mcord/mcord_private_key"
+
+    def __init__(self, *args, **kwargs):
+        super(SyncSDNControllerServiceInstance, self).__init__(*args, **kwargs)
+
+