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/elasticstack/files/30-elasticsearch-output.conf b/roles/elasticstack/files/30-elasticsearch-output.conf
new file mode 100644
index 0000000..ab51625
--- /dev/null
+++ b/roles/elasticstack/files/30-elasticsearch-output.conf
@@ -0,0 +1,4 @@
+output {
+  elasticsearch { hosts => ["localhost:9200"] }
+  stdout { codec => rubydebug }
+}