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

Change-Id: Icfecdc3ef9bb3691267a35644a5d5d1930a63a6f
(cherry picked from commit 8400e1151753e263b0fa3c506ffcba8c5bdca1b6)
diff --git a/xos/sdncontroller.xproto b/xos/sdncontroller.xproto
new file mode 100644
index 0000000..a471810
--- /dev/null
+++ b/xos/sdncontroller.xproto
@@ -0,0 +1,22 @@
+option name = "SDNController";
+option app_label = "sdncontroller";
+option kind = "vEPC";
+
+message SDNControllerService (Service){
+    option verbose_name = "SDN Controller Service for vSPGW";
+}
+
+message SDNControllerVendor (XOSBase){
+    option verbose_name = "SDN Controller Vendor for vSPGW";
+
+    required string name = 1 [help_text = "vendor name", max_length = 32, null = False, db_index = False, blank = False];
+    required manytoone image->Image:+ = 2 [help_text = "select image for this vendor", db_index = True, null = False, blank = False];
+    required manytoone flavor->Flavor:+ = 3 [help_text = "select openstack flavor for vendor image", db_index = True, null = False, blank = False];
+}
+
+message SDNControllerServiceInstance (TenantWithContainer){
+    option verbose_name = "SDN Controller Service Instance for vSPGW";
+
+    optional manytoone sdncontroller_vendor->SDNControllerVendor:vendor_tenants = 1 [help_text = "select vendor of choice, leave blank for slice default", db_index = True, null = True, blank = True];
+}
+