Merge pull request nimmis#3 from davide/master

Add RSLSYNC_PATH environment variable to improve usage with --volumes-from

Author: nimmis

Diff for: README.md

@@ -92,6 +92,14 @@ The sync mode version is made for syncing one directory only (you can manualy co
 
 This variable contains the secret key fore this directory, if empty or missing a new secret key is generated. This key can then be used to start more sync klient for the data.
 
+### RSLSYNC_PATH
+
+This variable controls which folder is synced (default = /data) and comes in handy when using data containers.
+To use it add the necessary --volumes-from option and set the RSLSYNC_PATH value to a VOLUME path from the the data container:
+
+	docker run -d --volumes-from <data-container> -e RSLSYNC_PATH=/other/location/in/data/container --name sync -p 33333:33333 nimmis/resilio-sync
+
+
 ### Run container on first sync node
 
 The first nod creates a uniq secret used to sync all nodes, map the directory you wan't to be syncronized to /data in the container.

Diff for: root/etc/run_once/config_rslsync

@@ -15,6 +15,12 @@ if [ -z $RSLSYNC_NAME ]; then
   RSLSYNC_NAME=`hostname`
 fi
 
+# check sync path
+
+if [ -z $RSLSYNC_PATH ]; then
+  RSLSYNC_PATH="/data"
+fi
+
 # create base configuration
 
 cat <<EOT > /etc/rslsync/rslsync.conf
@@ -33,7 +39,7 @@ EOT
 if [ -z $RSLSYNC_USER ] ; then
   # non webui version
 
-  echo "non-WEBUI mode activated, /data is synced"
+  echo "non-WEBUI mode activated, $RSLSYNC_PATH is synced"
 
   # handle secret key
   if [ -z $RSLSYNC_SECRET ]; then                                                                             
@@ -47,7 +53,7 @@ if [ -z $RSLSYNC_USER ] ; then
   [
     {
       "secret" : "$RSLSYNC_SECRET", // required field - use --generate-secret in command line to create new secret
-      "dir" : "/data", // * required field
+      "dir" : "$RSLSYNC_PATH", // * required field
       "use_relay_server" : true, //  use relay server when direct connection fails
       "use_tracker" : true,
       "search_lan" : true,