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|
#! /bin/sh
#
# wdt Enable & reset the IPMI watchdog timer via cron
#
# chkconfig: - 91 59
# description: wdt is a utility from ipmiutil.sf.net to configure the \
# IPMI watchdog timer.
#
# It enables watchdog for 90 second timeout, reset every 1 min (60 sec).
# It uses the cron daemon which reads files from /etc/cron.d
# Note that the $crond_sh variable is different for RedHat & SuSE.
#
### BEGIN INIT INFO
# Provides: ipmiutil_wdt
# Required-Start: $local_fs $remote_fs $syslog
# Required-Stop: $local_fs $remote_fs $syslog
# Default-Start: 3 4 5 3 4 5
# Default-Stop: 0 1 2 6 0 1 2 6
# Short-Description: ipmiutil watchdog timer init script
# Description: Init script to enable and reset ipmiutil watchdog timer via cron
### END INIT INFO
#
name=ipmiutil_wdt
prog="/usr/bin/ipmiutil wdt"
wdtcron=/etc/cron.d/wdt
LOCKFILE=/var/lock/subsys/$name
wdtlog=/var/log/$name
wdtsec=150 # default 150 seconds for watchdog timeout (2*60 + 30)
start() {
echo -n "Starting $prog: "
echo
# do not start if in driverless mode
ipmiutil cmd -k |grep "driverless" >/dev/null 2>&1
if [ $? -eq 0 ]; then
driverok=0
else
driverok=1
fi
if [ $driverok -eq 0 ]
then
echo "No ipmi driver loaded, aborting."
RETVAL=1
else
# configure the watchdog for a 150 second timeout
$prog -e -t $wdtsec >$wdtlog
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
# restart the watchdog every 60 seconds via /etc/cron.d
cat - <<%%% >$wdtcron
* * * * * root $prog -r >/dev/null
%%%
# make crond re-read the /etc/cron.d
$restart_cron >>$wdtlog
touch $LOCKFILE
fi
fi
echo
return $RETVAL
}
stop() {
echo -n "Stopping $prog: "
echo
# first disable the watchdog
$prog -d >>$wdtlog
RETVAL=$?
# now remove the wdt cron job
rm -f $wdtcron
# make crond re-read the /etc/cron.d
$restart_cron >>$wdtlog
rm -f ${LOCKFILE}
echo
return $RETVAL
}
restart() {
stop
start
}
get_status() {
$prog
if [ -f ${LOCKFILE} ]; then
if [ -f $wdtcron ]; then
echo "$name is running..."
retval=0
else
echo "$name is not running but ${LOCKFILE} exists"
retval=1
fi
else
echo "$name is stopped"
retval=3
fi
return $retval
}
# Begin mainline script here
if [ -x /bin/systemctl ]; then
restart_cron='systemctl restart crond.service'
elif [ -f /etc/redhat-release ]; then
restart_cron='/etc/init.d/crond restart'
else
# SuSE, MontaVista, etc.
restart_cron='/etc/init.d/cron restart'
fi
if [ ! -d /var/lock/subsys ]; then
LOCKFILE=/var/run/$name.pid
fi
case "$1" in
start)
start
;;
stop)
stop
;;
status)
get_status
;;
restart)
restart
;;
reload)
restart
;;
*)
echo "Usage: $0 {start|stop|status|restart|reload}"
exit 1
esac
|
