#!/bin/sh
#
# Show status of LSI Logic's MegaRAID RAID controllers.

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

# Defaults.
: ${daily_status_amr_raid_enable:=NO}
: ${daily_status_amr_raid_megarc_enable:=NO}

amrstat=${amrstat:-%%PREFIX%%/sbin/amrstat}
megarc=${megarc:-%%PREFIX%%/sbin/megarc}
logdir=${logdir:-/var/log}

case "$daily_status_amr_raid_enable" in
    [Yy][Ee][Ss])
	echo
	echo 'Checking status of amr(4) raid controllers:'

	rc=0

	# Checking each controller.
	for ctrl in `ls -1 /dev/amr[0-9]* | sed -e 's,/dev/amr,,g'`
	     do
		echo ""
		echo "Controller ${ctrl}:"
		ctrl_log=${logdir}/amr_raid_${ctrl}
		if test ! -f ${ctrl_log}.today; then
			touch ${ctrl_log}.today
		fi
		mv -f ${ctrl_log}.today ${ctrl_log}.yesterday
		${amrstat} -c ${ctrl} -g > ${ctrl_log}.today
		if test -x ${megarc}; then
		case "$daily_status_amr_raid_megarc_enable" in
		    [Yy][Ee][Ss])
			${megarc} -dispCfg -a0 | col -b | grep -v Scanning | \
			    sed -e '/^A/s/.*/        .../g' >> ${ctrl_log}.today
		    ;;
		*)  ;;
		esac
		fi
		lines=`wc -l ${ctrl_log}.today | awk '{ print $1 }'`
		diff -U ${lines} ${ctrl_log}.yesterday ${ctrl_log}.today
		raid_rc=$?
		if test $raid_rc -eq 0; then
			cat  ${ctrl_log}.today
		fi
		[ $rc -eq 0 ] && [ $raid_rc -ne 0 ] && rc=3

		# Checking alarms.
		#if test -x ${megarc}; then
		#case "$daily_status_amr_raid_megarc_enable" in
		#    [Yy][Ee][Ss])
		#	echo "Alarms:"
		#	alarms_log=${logdir}/amr_raid_alarms
		# ----------------------------------------
		# There seems to be following option but does not seem to
		# show anything sor me so I cannot verify that it is what
		# I expect:
		#	${megarc} -getNVRAMLog -a${ctrl}
		# For me IPMI has some logs though:
		#   DATE sel[1]:
		#     A Drive - Slot/Connector - Fault - Drive Array - Slot 2
		# ----------------------------------------
		# Keep following commented out until someone confirms that it
		# does something useful for him.
		# ----------------------------------------
		#	if test ! -f ${alarms_log}.today; then
		#		touch ${alarms_log}.today
		#	fi
		#	mv -f ${alarms_log}.today ${alarms_log}.yesterday
		#	raid_rc=0
		#	${megarc} -getNVRAMLog -a${ctrl} > ${alarms_log}.today
		#	cmp -zs ${alarms_log}.yesterday ${alarms_log}.today
		#	raid_rc=$?
		#	if test $raid_rc -ne 0; then
		#		diff -u ${alarms_log}.yesterday ${alarms_log}.today
		#	else
		#		echo "  No new alarms."
		#	fi
		#	[ $rc -eq 0 ] && [ $raid_rc -ne 0 ] && rc=3
		#    ;;
		#*)  ;;
		#esac
		#fi

	     done
	;;

    *)  rc=0;;
esac

exit $rc

# end