mangos init daemon

Quickly whipped this up (currently setting up mangos on ubuntu, albeit slowly)

Anyone want to review it? (I'll update this post)

Possible area's of improvement -

security in this script? path?

Provide 'status' option.

Cleanup variables / overall script

#!/bin/sh

### BEGIN INIT INFO

# Provides: mangosd

# Required-Start: $network $local_fs

# Required-Stop: $network $local_fs

# Default-Start: 2 3 4 5

# Default-Stop: 0 1 6

# Short-Description: Daemonized version of mangos wow server.

# Description: Daemon for mangosd and realmd processes.

### END INIT INFO

# installing this init;

#sudo chmod 755 /etc/init.d/mangosd

#sudo update-rc.d mangosd defaults

#sudo invoke-rc.d mangosd start

DAEMON_USER="mangouser" # !!!CHANGE THIS!!!!

RUN_AT_STARTUP="YES"

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/opt/mangos/bin

DESC="Mangos Daemon"

NAME1="mangos-realmd"

NAME2="mangos-worldd"

DAEMON1=/opt/mangos/bin/mangos-realmd

DAEMON2=/opt/mangos/bin/mangos-worldd

PIDFILE1=/var/run/$NAME1.pid

PIDFILE2=/var/run/$NAME2.pid

UMASK=022 # Change this to 0 if running daemon as its own user

PKGNAME=mangosd

SCRIPTNAME=/etc/init.d/$PKGNAME

# Exit if the package is not installed

[ -x "$DAEMON1" -a -x "$DAEMON2" ] || exit 0

# 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.

. /lib/lsb/init-functions

if [ -z "$RUN_AT_STARTUP" -o "$RUN_AT_STARTUP" != "YES" ]

then

log_warning_msg "Not starting $PKGNAME, edit /etc/default/$PKGNAME to start it."

exit 0

fi

if [ -z "$DAEMON_USER" ]

then

log_warning_msg "Not starting $PKGNAME, DAEMON_USER not set."

exit 0

fi

#

# Function that starts the daemon/service

#

do_start()

{

# 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 $PIDFILE1 --exec $DAEMON1 \\

--chuid $DAEMON_USER --user $DAEMON_USER --umask $UMASK --test > /dev/null

RETVAL1="$?"

start-stop-daemon --start --background --quiet --pidfile $PIDFILE2 --exec $DAEMON2 \\

--chuid $DAEMON_USER --user $DAEMON_USER --umask $UMASK --test > /dev/null

RETVAL2="$?"

[ "$RETVAL1" = "0" -a "$RETVAL2" = "0" ] || return 1

start-stop-daemon --start --background --quiet --pidfile $PIDFILE1 --make-pidfile --exec $DAEMON1 \\

--chuid $DAEMON_USER --user $DAEMON_USER --umask $UMASK

RETVAL1="$?"

sleep 2

start-stop-daemon --start --background --quiet --pidfile $PIDFILE2 --make-pidfile --exec $DAEMON2 \\

--chuid $DAEMON_USER --user $DAEMON_USER --umask $UMASK

RETVAL2="$?"

[ "$RETVAL1" = "0" -a "$RETVAL2" = "0" ] || return 2

}

#

# 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 --user $DAEMON_USER --pidfile $PIDFILE2

RETVAL2="$?"

start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --user $DAEMON_USER --pidfile $PIDFILE1

RETVAL1="$?"

[ "$RETVAL1" = "2" -o "$RETVAL2" = "2" ] && return 2

rm -f $PIDFILE1 $PIDFILE2

[ "$RETVAL1" = "0" -a "$RETVAL2" = "0" ] && return 0 || return 1

}

case "$1" in

start)

[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME1"

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 $DESC" "$NAME1"

do_stop

case "$?" in

0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;

2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;

esac

;;

restart|force-reload)

log_daemon_msg "Restarting $DESC" "$NAME1"

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|restart|force-reload}" >&2

exit 3

;;

esac

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