start/stop/restart JRuby application running on Kirk

rackup-kirk

#! /bin/sh

set -u

NAME=<set your application name here>
DIRECTORY=<set your application directory here>

PIDFILE=/var/run/$NAME.pid
DAEMON="/usr/local/rvm/bin/rvm exec rackup"
DAEMON_ARGS="-s Kirk config.ru -p 3000 -P $PIDFILE"

SCRIPTNAME=/etc/init.d/$NAME

do_start()
{
  start-stop-daemon --start --background --quiet -d $DIRECTORY --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS
}

do_stop()
{
  start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
  RETVAL="$?"
  rm -f $PIDFILE
  return "$RETVAL"
}

case "$1" in
  start)
    echo "Starting $NAME..."
    do_start
    if [ "$?" -eq 0 ] ; then
            echo "OK!"
    else
            echo "Failed..."
    fi
    ;;

  stop)
    echo "Stopping $NAME..."
    do_stop
    if [ "$?" -eq 0 ] ; then
            echo "OK!"
    else
            echo "Failed..."
    fi
    ;;

  restart|force-reload)
      echo "Restarting $NAME..."
      do_stop
      sleep 2
      do_start
      ;;

  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
    exit 3
    ;;
esac