Deluged debian/Ubuntu init script

deluged

#!/bin/sh
### BEGIN INIT INFO
# Provides:          deluged
# 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: Start or stop the Deluge BitTorrent daemon.
# Description:       Start or stop the Deluge BitTorrent daemon.
### END INIT INFO

# Authors: Tanguy Ortolo <tanguy+debian@ortolo.eu>,
# Cristian Greco <cristian@regolo.cc>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Deluge BitTorrent Daemon"
NAME="deluged"
DAEMON=/usr/bin/$NAME
DAEMON_ARGS="-d -c /var/lib/deluged/config -l /var/log/deluged/daemon.log -L info"
USER=debian-deluged
MASK=0027
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

ENABLE_DELUGED=1

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
  if [ $ENABLE_DELUGED != 1 ]; then
    log_progress_msg "Not starting ${DESC} ${NAME}, disabled in /etc/default/${NAME}"
  else
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started
    start-stop-daemon --start --background --quiet --pidfile $PIDFILE --exec $DAEMON \
      --chuid $USER --umask $MASK --test > /dev/null \
      || return 1

    start-stop-daemon --start --background --quiet --pidfile $PIDFILE --make-pidfile --exec $DAEMON \
      --chuid $USER --umask $MASK -- $DAEMON_ARGS \
      || return 2
  fi
}

#
# Function that stops the daemon/service
#
do_stop()
{
  # Return
  #   0 if daemon has been stopped
  #   1 if daemon was already stopped
  #   2 if daemon could not be stopped
  #   other if a failure occurred

  start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
  RETVAL="$?"
  [ "$RETVAL" = "2" ] && return 2

  rm -f $PIDFILE
  return "$RETVAL"
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  stop)
    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  status)
    status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
    ;;
  restart|force-reload)
    log_daemon_msg "Restarting $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1)
        do_start
        case "$?" in
          0) log_end_msg 0 ;;
          1) log_end_msg 1 ;; # Old process is still running
          *) log_end_msg 1 ;; # Failed to start
        esac
        ;;
      *)
        # Failed to stop
        log_end_msg 1
        ;;
    esac
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
    exit 3
    ;;
esac

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