move OLT service from XOS repo
diff --git a/xos/tosca/resources/VOLTTenant.py b/xos/tosca/resources/VOLTTenant.py
new file mode 100644
index 0000000..cbc3837
--- /dev/null
+++ b/xos/tosca/resources/VOLTTenant.py
@@ -0,0 +1,48 @@
+import os
+import pdb
+import sys
+import tempfile
+sys.path.append("/opt/tosca")
+from translator.toscalib.tosca_template import ToscaTemplate
+import pdb
+
+from core.models import User
+from services.volt.models import VOLTTenant, VOLTService, CordSubscriberRoot, VOLT_KIND
+
+from xosresource import XOSResource
+
+class XOSVOLTTenant(XOSResource):
+    provides = "tosca.nodes.VOLTTenant"
+    xos_model = VOLTTenant
+    copyin_props = ["service_specific_id", "s_tag", "c_tag"]
+    name_field = None
+
+    def get_xos_args(self, throw_exception=True):
+        args = super(XOSVOLTTenant, self).get_xos_args()
+
+        provider_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception)
+        if provider_name:
+            args["provider_service"] = self.get_xos_object(VOLTService, throw_exception=throw_exception, name=provider_name)
+
+        subscriber_name = self.get_requirement("tosca.relationships.BelongsToSubscriber")
+        if subscriber_name:
+            args["subscriber_root"] = self.get_xos_object(CordSubscriberRoot, throw_exception=throw_exception, name=subscriber_name)
+
+        return args
+
+    def get_existing_objs(self):
+        args = self.get_xos_args(throw_exception=False)
+        provider_service = args.get("provider_service", None)
+        service_specific_id = args.get("service_specific_id", None)
+        if (provider_service) and (service_specific_id):
+            existing_obj = self.get_xos_object(VOLTTenant, kind=VOLT_KIND, provider_service=provider_service, service_specific_id=service_specific_id, throw_exception=False)
+            if existing_obj:
+                return [ existing_obj ]
+        return []
+
+    def postprocess(self, obj):
+        pass
+
+    def can_delete(self, obj):
+        return super(XOSVOLTTenant, self).can_delete(obj)
+