[CORD-1685] Adding copyright informations
Change-Id: Id035a8f8d02432c9dfc7aab6457976d9868212fc
diff --git a/xos/models.py b/xos/models.py
index 43dbd3c..8c0a8b0 100644
--- a/xos/models.py
+++ b/xos/models.py
@@ -1,3 +1,19 @@
+
+# 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 django.db import models
from django.core.validators import URLValidator
from core.models import Service, XOSBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, ServiceDependency, ServiceMonitoringAgentInfo