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|
#!/bin/sh
#
# chkconfig: 2345 11 60
# description: start, stop, or query ipmi system monitoring tools
# config: /etc/sysconfig/ipmi
#
# For Redhat, Fedora, or similar systems. Handles both 2.4 and 2.6
# configurations. Requires an /etc/sysconfig/ipmi file to function,
# see below.
#
# Phil Hollenback
# philiph@pobox.com
# Source function library.
. /etc/init.d/functions
# Exit silently if we don't have a sysconfig file,
# and read IPMI setting from it to determine whether or
# not to continue.
# The only current setting is ipmi={YES|NO}, whether or not
# to enable IPMI.
[ -f /etc/sysconfig/ipmi ] || exit 0
. /etc/sysconfig/ipmi
[ "${IPMI}" = "yes" ] || exit 0
RETVAL=0
start() {
echo -n $"Starting ipmi: "
# If ipmidev isn't listed in /proc/devices, try
# loading the modules.
if ! grep -q ipmidev /proc/devices
then
/sbin/modprobe ipmi_msghandler || RETVAL=1
/sbin/modprobe ipmi_devintf || RETVAL=1
# Try loading new driver module, fall back to old
# module if that fails.
if ! /sbin/modprobe ipmi_si >/dev/null 2>&1
then
/sbin/modprobe ipmi_si_drv || RETVAL=1
fi
fi
# If ipmidev still isn't listed in /proc/devices after we load
# modules, this just isn't going to work. Set RETVAL to mark
# this failure.
grep -q ipmidev /proc/devices || RETVAL=1
# remove old device file always
# in case ipmi gets assigned new dynamic major number from kernel
if [ -c /dev/ipmi0 ]; then
rm -f /dev/ipmi0
fi
# Check if the device file exists and create if not.
if [ ! -c /dev/ipmi0 ] && [ $RETVAL -eq 0 ]
then
major=$(awk '/ ipmidev$/{print $1}' /proc/devices)
/bin/mknod -m 0600 /dev/ipmi0 c $major 0 || RETVAL=1
fi
if [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ipmi ; then
echo_success
echo
else
echo_failure
echo
fi
}
stop() {
echo -n $"Shutting down ipmi: "
# Stop doesn't actually do anything because we currently don't
# unload ipmi modules on stop. That might change in the future
# if we decide unloading the ipmi modules is safe.
RETVAL=0
if [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ipmi ; then
echo_success
echo
else
echo_failure
echo
fi
}
dostatus() {
# Extract cpu temperatures from ipmitool output.
# Abort if we don't have the ipmitool program.
if ! /usr/bin/ipmitool -V >/dev/null
then
echo "/usr/bin/ipmitool not found!" >&2
exit 1
fi
# Abort if ipmi isn't loaded.
if ! grep -q ipmidev /proc/devices
then
echo "ipmi not listed in /proc/devices!" >&2
exit 1
fi
# Check if we are running on a v1.0 IPMI system, and
# change our processor search string appropriately.
if /usr/bin/ipmitool -I open bmc info | \
grep -q "IPMI Version.*1.0"
then
IpmiVersion="1.0"
fi
# Determine # of running processors
NumProcs=$(grep -c processor /proc/cpuinfo)
if [ $NumProcs -eq 0 ]
then
echo "Can't determine number of processors!" >&2
exit 1
fi
# Now build the query string. Concatenate it into
# one string because that's more efficient on 2.4 systems.
Count=1
TempString=""
while [ $Count -le $NumProcs ]
do
if [ x$IpmiVersion = x"1.0" ]
then
TempString="$TempString CPU\ $Count"
else
TempString="$TempString Processor$Count\ Temp"
fi
Count=$((Count + 1))
done
# building TempString like this and eval'ing it is ugly, but
# it's the only way I could make the quoting work. Sorry.
TempString="/usr/bin/ipmitool -I open sensor get $TempString"
eval $TempString | awk -v "c=$Count" '
BEGIN {
n = 1
}
/Sensor Reading/ {
printf "CPU%s Temp: %s\n",n,$4
n++
}
END {
if ( n != c) {
printf "Error: found %s CPUs, but got temps for %s\n",--c,--n >"/dev/stderr"
exit 1
}
exit 0
}'
RETVAL=$((RETVAL + $?))
return $RETVAL
}
restart() {
stop
start
RETVAL=$?
}
condrestart() {
[ -e /var/lock/subsys/ipmi ] && restart || :
}
remove () {
# Actually remove the drivers. Don't do during stop in case
# this causes system to become unstable (a la lm_sensors)
if /sbin/lsmod | awk '{print $1}' | grep -q ipmi_
then
# Try removing both 2.4 and 2.6 modules.
/sbin/rmmod ipmi_si 2>/dev/null
/sbin/rmmod ipmi_si_drv 2>/dev/null
/sbin/rmmod ipmi_devintf
/sbin/rmmod ipmi_msghandler
else
echo "No ipmi modules loaded!" >&2
RETVAL=1
return $RETVAL
fi
# Wait a sec to give modules time to unload.
sleep 1
# Check if we failed to remove any modules, and complain if so.
if /sbin/lsmod | awk '{print $1}' | grep -q ipmi_
then
echo "ipmi modules still loaded!" >&2
RETVAL=1
return $RETVAL
fi
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
dostatus
;;
restart|reload)
restart
;;
condrestart)
condrestart
;;
remove)
remove
;;
*)
echo "Usage: ipmi {start|stop|status|restart|condrestart|remove}"
exit 1
esac
exit $RETVAL
|
