[CORD-1507] Refactor all the networks inside CORD 3.0

Change-Id: Ic93de178b65dce00473b7a953a6808c54559683b
diff --git a/roles/cord-profile/templates/shared-net.yaml.j2 b/roles/cord-profile/templates/shared-net.yaml.j2
new file mode 100644
index 0000000..f54ab9d
--- /dev/null
+++ b/roles/cord-profile/templates/shared-net.yaml.j2
@@ -0,0 +1,46 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/xos.yaml
+
+description: shared network config, generated by platform-install
+
+topology_template:
+  node_templates:
+
+# site, fully created in deployment.yaml
+    {{ site_name }}:
+      type: tosca.nodes.Site
+
+# shared network
+    shared_template:
+      type: tosca.nodes.NetworkTemplate
+      properties:
+          visibility: private
+          translation: none
+          vtn_kind: PRIVATE
+
+    shared_network:
+      type: tosca.nodes.network.Network
+      properties:
+          ip_version: 4
+          cidr: 100.0.0.0/24
+      requirements:
+          - network_template:
+              node: shared_template
+              relationship: tosca.relationships.UsesNetworkTemplate
+          - owner:
+              node: {{ site_name }}_shared
+              relationship: tosca.relationships.MemberOfSlice
+
+    {{ site_name }}_shared:
+      description: This slice exists solely to own the private network
+      type: tosca.nodes.Slice
+      properties:
+          network: noauto
+      requirements:
+          - site:
+              node: {{ site_name }}
+              relationship: tosca.relationships.MemberOfSite
+
+