Virtual server monitor:Debian init.d file

From Revolution Linux OpenSource projects

For the backend to work in Debian, you will need to replace /etc/init.d/vsmon-backend with the following file :

#!/bin/sh
#---------------------------------------------------------------
# Project         : VServerMonitor
# Module          : initscripts
# File            : vsmon-backend
# Version         : $Id$
# Author          : Guillaume Pratte
# Created On      : Thu Aug 29 2006
#---------------------------------------------------------------
# chkconfig: 35 90 20
# description: VServerMonitor backend.
#---------------------------------------------------------------

# Source function library.
#. /etc/rc.d/init.d/functions

DESCRIPTION="VServerMonitor backend"
BASEDIR="/usr/lib/python2.4/site-packages/vsmon/backend"
MAIN="backend.py"
PROGNAME="vsmon-backend"
PID="/var/run/${PROGNAME}.pid"
PY="/usr/bin/python"

ret=1

case $1 in
    start)
        echo Starting $DESCRIPTION
        pid_in_memory=`/usr/sbin/chcontext --ctx 1 ps auwwwwx | grep $MAIN | grep -v grep | awk '{print $2}'`
        if [ -n "$pid_in_memory" ]; then
                echo failure
                echo
                echo "Program is running.\n"
                exit
        fi

        chcontext --ctx 1 $PY $BASEDIR/$MAIN &
        pid_started=$!
        sleep 1
        pid_in_memory=`/usr/sbin/chcontext --ctx 1 ps auwwwwx | grep $MAIN | grep -v grep | awk '{print $2}'`

        if [ "$pid_in_memory" = "$pid_started" ]; then

                echo $pid_started > $PID
                echo success
                echo
        else
                echo failure
                echo
        fi

        ;;

    stop)
        echo "Stopping $DESCRIPTION: "
        if [ -r $PID ]; then
                /usr/sbin/chcontext --ctx 1 kill `cat $PID` > /dev/null 2>&1
                ret=$?
        fi
        if [ $ret = 0 ]; then
            echo "$DESCRIPTION shutdown ok"
            rm -f $PID
        else
            echo "$DESCRIPTION shutdown failed"
        fi
        echo
        ;;

    reload)
        ;;

    restart)
        $0 stop
        $0 start
        ret=$?
        ;;
    *)
        echo "Usage: $(basename $0) {start|stop|restart}"
        exit 0
        ;;
esac

exit $ret