have vm's use apt-cache
diff --git a/vars/cord_defaults.yml b/vars/cord_defaults.yml
index 23b22b2..3ced8b2 100644
--- a/vars/cord_defaults.yml
+++ b/vars/cord_defaults.yml
@@ -7,6 +7,12 @@
 
 xos_configuration: cord-pod
 
+apt_cacher_name: apt-cache
+
+apt_ssl_sites:
+  - apt.dockerproject.org
+  - butler.opencloud.cs.arizona.edu
+
 docker_compose_pull_list:
   - name: 'onos-cord-1'
     path: 'cord'
@@ -16,7 +22,6 @@
     path: 'xos/xos/configurations/cord-pod'
     up: no
 
-
 charm_versions:
   ceilometer: "cs:trusty/ceilometer-17"
   ceilometer-agent: "cs:trusty/ceilometer-agent-13"