start-stop-daemon init script for starting passenger

app_name.sh

#!/bin/sh

### BEGIN INIT INFO
# Provides:          app_name
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: start the app_name application
### END INIT INFO

APP="<%= current_path %>"
PASSENGER="/usr/local/bin/passenger"
PORT=3000
ENVIRONMENT=<%= rails_env %>
USER=<%= user %>
export PIDFILE=<%= shared_path %>/pids/passenger.$PORT.pid
ARGS="start $APP --log-file <%= shared_path %>/log/passenger.$PORT.log --pid-file $PIDFILE --user $USER -p $PORT -e $ENVIRONMENT -d"

. /lib/lsb/init-functions

case "$1" in
    start)
        log_daemon_msg "Starting the AppName server" "app_name"
        start-stop-daemon --start --quiet --oknodo --exec $PASSENGER -- $ARGS
        log_end_msg $?
        ;;

    stop)
        log_daemon_msg "Stopping the AppName server" "app_name"
        start-stop-daemon --stop --quiet --oknodo -p $PIDFILE
        log_end_msg $?
        ;;

    restart|force-reload)
        $0 stop && sleep 2 && $0 start
        ;;

    status)
        status_of_proc -p $PIDFILE $PASSENGER app_name && exit 0 || exit $?
        ;;

    *)
        echo "Usage: /etc/init.d/app_name {start|stop|restart|force-reload|status}"
        exit 1
        ;;
esac