init.d-example.smib

#!/bin/sh
### BEGIN INIT INFO
# Provides:          smib
# Required-Start:    $local_fs $network $named $time $syslog
# Required-Stop:     $local_fs $network $named $time $syslog
# Default-Start:     3 4 5
# Default-Stop:      0 1 2 6
# Description:       So Make It Bot - a fast IRC bot which speaks only through user scripts.
### END INIT INFO

# configure the following and copy this file to: /etc/init.d/smib
# then run: update-rc.d smib defaults

SCRIPT=/home/smib/smib/smib.pl
RUNAS=smib
 
PIDFILE=/var/run/smib.pid
 
start() {
  if [ -f /var/run/$PIDNAME ] && kill -0 $(cat /var/run/$PIDNAME); then
    echo 'Service already running' >&2
    return 1
  fi
  echo 'Starting service…' >&2
  su -c "$SCRIPT 2>&1 | logger -t 'smib' & jobs -p" "$RUNAS" >"$PIDFILE"
  echo 'Service started' >&2
}
 
stop() {
  if [ ! -f "$PIDFILE" ] || ! kill -0 $(cat "$PIDFILE"); then
    echo 'Service not running' >&2
    return 1
  fi
  echo 'Stopping service…' >&2
  kill -15 $(cat "$PIDFILE") && rm -f "$PIDFILE"
  echo 'Service stopped' >&2
}
 
uninstall() {
  echo -n "Are you really sure you want to uninstall this service? That cannot be undone. [yes|No] "
  local SURE
  read SURE
  if [ "$SURE" = "yes" ]; then
    stop
    rm -f "$PIDFILE"
    echo "Notice: log file is not be removed: '$LOGFILE'" >&2
    update-rc.d -f smib remove
    rm -fv "$0"
  fi
}
 
case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  uninstall)
    uninstall
    ;;
  restart)
    stop
    start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|uninstall}"
esac