diff --git a/xos-services/onos-service/templates/_tosca.tpl b/xos-services/onos-service/templates/_tosca.tpl
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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-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.
+*/}}
+{{- define "onos-service.fabricAppTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/onosapp.yaml
+  - custom_types/onosservice.yaml
+description: ONOS service and app for fabric
+topology_template:
+  node_templates:
+    service#ONOS_Fabric:
+      type: tosca.nodes.ONOSService
+      properties:
+          name: ONOS_Fabric
+          kind: platform
+          no_container: true
+          rest_hostname: onos-fabric-ui
+          rest_port: 8181
+
+    Fabric_ONOS_app:
+      type: tosca.nodes.ONOSApp
+      requirements:
+          - owner:
+              node: service#ONOS_Fabric
+              relationship: tosca.relationships.BelongsToOne
+      properties:
+          name: Fabric_ONOS_app
+          dependencies: org.onosproject.drivers, org.onosproject.openflow, org.onosproject.netcfghostprovider, org.onosproject.segmentrouting, org.onosproject.vrouter
+{{- end -}}
+
+{{- define "onos-service.vtnAppTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/onosapp.yaml
+   - custom_types/onosservice.yaml
+   - custom_types/serviceinstanceattribute.yaml
+
+description: Configures the VTN ONOS service
+
+topology_template:
+  node_templates:
+
+    service#ONOS_CORD:
+      type: tosca.nodes.ONOSService
+      properties:
+          name: ONOS_CORD
+          kind: platform
+          no_container: true
+          rest_hostname: onos-cord-ui
+          rest_port: 8181
+
+    VTN_ONOS_app:
+      type: tosca.nodes.ONOSApp
+      requirements:
+          - owner:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.BelongsToOne
+      properties:
+          name: VTN_ONOS_app
+          install_dependencies: https://repo.maven.apache.org/maven2/org/opencord/cord-config/1.3.1/cord-config-1.3.1.oar, https://repo.maven.apache.org/maven2/org/opencord/vtn/1.5.0/vtn-1.5.0.oar
+          dependencies: org.onosproject.drivers, org.onosproject.drivers.ovsdb, org.onosproject.openflow-base, org.onosproject.ovsdb-base, org.onosproject.dhcp
+
+    VTN_ONOS_app_autogenerate:
+        type: tosca.nodes.ServiceInstanceAttribute
+        requirements:
+          - service_instance:
+              node: VTN_ONOS_app
+              relationship: tosca.relationships.BelongsToOne
+        properties:
+            name: autogenerate
+            value: vtn-network-cfg
+{{- end -}}