Add ironic-contrail model

This patch adds os_ha_contrail_ironic model to develop/test
ironic + contrail integration.

Change-Id: I272205d5054fd4431da17807c52bfd3c7c231561
Related-Prod: PROD-14290
diff --git a/classes/cluster/os-ha-contrail-ironic/openstack/dashboard.yml b/classes/cluster/os-ha-contrail-ironic/openstack/dashboard.yml
new file mode 100755
index 0000000..cdb2116
--- /dev/null
+++ b/classes/cluster/os-ha-contrail-ironic/openstack/dashboard.yml
@@ -0,0 +1,21 @@
+classes:
+- system.linux.system.repo.ubuntu
+- system.linux.system.repo.mcp.openstack
+- system.linux.system.repo.mcp.extra
+- system.linux.system.repo.saltstack.xenial
+- system.horizon.server.cluster
+- system.horizon.server.plugin.contrail
+- system.horizon.server.plugin.overrides
+- cluster.os-ha-contrail-ironic
+parameters:
+  _param:
+    horizon_site_branding: OpenStack Dashboard
+  linux:
+    network:
+      interface:
+        ens4:
+          enabled: true
+          type: eth
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0