[CORD-1044] VTR as GUI Extension

Change-Id: I7509f9d0d4ba870efb406c2049e6e9523ad2a44f
diff --git a/deploy-xos-gui-extensions-playbook.yml b/deploy-xos-gui-extensions-playbook.yml
index 0275611..257c282 100644
--- a/deploy-xos-gui-extensions-playbook.yml
+++ b/deploy-xos-gui-extensions-playbook.yml
@@ -2,7 +2,7 @@
 # deploy-xos-gui-extensions-playbook.yml
 
 - name: Include vars
-  hosts: all
+  hosts: head
   tasks:
     - name: Include variables
       include_vars: "{{ item }}"