Creating a private network for exampleservice to make it composable with other CORD service

Change-Id: Ib85e4a109b367840aea37f4e7e26ed46126a1ea1
diff --git a/roles/xos-install/templates/exampleservice.yaml.j2 b/roles/xos-install/templates/exampleservice.yaml.j2
index 53c2173..9e5f4e5 100644
--- a/roles/xos-install/templates/exampleservice.yaml.j2
+++ b/roles/xos-install/templates/exampleservice.yaml.j2
@@ -49,6 +49,22 @@
         no-update: true
 
 # ExampleService/ExampleTenant
+    exampleservice_network:
+      type: tosca.nodes.network.Network.XOS
+      properties:
+          ip_version: 4
+          labels: exampleservice_private_network
+      requirements:
+          - network_template:
+              node: Private
+              relationship: tosca.relationships.UsesNetworkTemplate
+          - owner:
+              node: {{ site_name }}_exampleservice
+              relationship: tosca.relationships.MemberOfSlice
+          - connection:
+              node: {{ site_name }}_exampleservice
+              relationship: tosca.relationships.ConnectsToSlice
+
 
     {{ site_name }}_exampleservice:
       description: This slice holds the ExampleService