CORD-993
elasticstack role, installs on head node
fix elasticstack/java apt-cacher passthrough
reliability fix for download Glance VM images
more reliable reliability fix
simplify apt-cacher ssl passthrough
apt-cacher defaults in other roles

Change-Id: Ia78d256f562c30539240d12ba163f7af6e375131
diff --git a/roles/create-lxd/defaults/main.yml b/roles/create-lxd/defaults/main.yml
new file mode 100644
index 0000000..86dcbc2
--- /dev/null
+++ b/roles/create-lxd/defaults/main.yml
@@ -0,0 +1,5 @@
+---
+# create-lxd/defaults/main.yml
+
+apt_cacher_name: apt-cache
+