adding vars_files for nginx

playbooks/edx-east/edx_provision.yml

@@ -27,6 +27,11 @@
         path=/var/log/cloud-init.log
         timeout=15
         search_regex="final-message"
+  vars_files:
+    - roles/edxapp/defaults/main.yml
+    - roles/ora/defaults/main.yml
+    - roles/xqueue/defaults/main.yml
+    - roles/xserver/defaults/main.yml
   roles:
     # rerun common to set the hostname, nginx to set basic auth
     - common