Add proxy configuration

config/common.cfg

@@ -6,6 +6,10 @@ MIRROR_ROOT="/var/www/nailgun"
 # Log dir
 LOG_ROOT="/var/log/mirror-sync"
 
+# In case of working behind http proxy uncomment the following parameters
+# RSYNC_PROXY=http://my-proxy-address:8080
+# http_proxy=$RSYNC_PROXY
+
 # Attempt to autodetect current Fuel version
 if hash fuel 2>/dev/null; then
     # working on Fuel node