init

#!/bin/bash
#
# Startup script for BTSync
#
# chkconfig: 345 80 30
# description: Starts the btsync daemon for configured users.

### BEGIN INIT INFO
# Provides: btsync
# Required-Start: $local_fs $remote_fs
# Required-Stop: $local_fs $remote_fs
# Should-Start: $network
# Should-Stop: $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Multi-user daemonized version of btsync.
# Description: Starts the btsync daemon for users listed in /etc/btsync_users (one user per line).
### END INIT INFO

config=/etc/btsync_users
daemon=/usr/local/bin/btsync
name="BTSync"

start() {
  [ -x $daemon ] || exit 5
  [ -f $config ] || { echo "$config does not exist"; exit 1; }
  users=$(cat $config)
  for btsuser in ${users[@]}; do
    HOMEDIR=$(getent passwd $btsuser | cut -d: -f6)
    pidfile="$HOMEDIR/.sync/sync.pid"
    if [ -f $pidfile ]; then
        if ps -p $(cat $pidfile) >/dev/null; then
            echo "$name for $btsuser is already running"
            continue
        fi
    fi
    user_config="$HOMEDIR/.sync/config.json"
    if [ -f $user_config ]; then
      echo "Starting $name for $btsuser"
      su - $btsuser -c "$daemon --config $user_config"
    else
      echo "Couldn't start $name for $btsuser (no $user_config found)"
    fi
  done
}

stop() {
  [ -x $daemon ] || exit 5
  [ -f $config ] || { echo "$config does not exist"; exit 1; }
  users=$(cat $config)
  for btsuser in ${users[@]}; do
    HOMEDIR=$(getent passwd $btsuser | cut -d: -f6)
    pidfile="$HOMEDIR/.sync/sync.pid"
    if [ ! -f $pidfile ]; then
        echo "$name for $btsuser is not running"
        continue
    fi
    pid=$(cat $pidfile)
    if [ ! -z "$pid" ]
    then
      echo "Stopping $name for $btsuser"
      kill $pid 2>/dev/null
      rm -f $pidfile
    fi
  done
}

status() {
  [ -x $daemon ] || exit 5
  [ -f $config ] || { echo "$config does not exist"; exit 1; }
  users=$(cat $config)
  for btsuser in $users; do
    HOMEDIR=$(getent passwd $btsuser | cut -d: -f6)
    pidfile="$HOMEDIR/.sync/sync.pid"
    if [ ! -f $pidfile ]; then
        echo "$name for $btsuser is not running"
        continue
    fi
    pid=$(cat $pidfile)
    if ps -p $pid >/dev/null; then
      echo "$name for $btsuser: running (pid $pid)"
    else
      echo "$name for $btsuser: not running."
    fi
  done
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    status)
        status
        ;;
    *)
        echo "Usage: service btsync start|stop|restart|status"
        exit 1
esac

exit $?