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

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

# Defaults.
: ${daily_status_mfi_raid_enable:=NO}
: ${daily_status_mfi_raid_verbose:=NO}
: ${daily_status_mfi_raid_persist_logs:=YES}

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

case "$daily_status_mfi_raid_enable" in
    [Yy][Ee][Ss])
	echo
	echo 'Checking status of MFI RAID controllers:'
	;;
    *)
	exit 0
	;;
esac

if test `id -u` -ne 0; then
	echo "You must be root to run `basename $0`." >&2
	exit 1
fi

ADPCOUNT=$(${megacli} -adpCount | \
	awk '/Controller Count:/ { gsub("\\.", ""); print $3 }')

case ${ADPCOUNT} in
	0)	echo "Error: Cannot find an adapter." >&2
		exit 1
		;;
	[1-9]|[1-9][0-9]|[1-2][0-9][0-9])
		;;
	*)
		echo "Error: Cannot get the number of adapters: ${ADPCOUNT}" >&2
		exit 1
		;;
esac

ADPMINIDX=0
ADPMAXIDX=`expr ${ADPCOUNT} - 1`

rc=0
for ctrl in `jot ${ADPCOUNT} ${ADPMINIDX} ${ADPMAXIDX}`; do
	echo "Adapter: ${ctrl}"

	# Print summary information.
	echo "------------------------------------------------------------------------"
	echo "Physical Drive Information:"
	echo "ENC SLO DEV SEQ MEC OEC PFC LPF STATE"
	${megacli} -PDList -a${ctrl} | \
	awk '
		BEGIN {
			E=-1; S=-1; D=-1; s=-1; mec=-1; oec=-1; pfc=-1; lpfeqn=-1;
			state="";
		}
		/^Enclosure (Number|Device ID):/ { E=$3; }
		/^Slot Number:/ { S=$3; }
		/^Device Id:/ { D=$3; }
		/^Sequence Number:/ { s=$3; }
		/^Media Error Count:/ { mec=$4; }
		/^Other Error Count:/ { oec=$4; }
		/^Predictive Failure Count:/ { pfc=$4; }
		/^Last Predictive Failure Event Seq Number:/ { lpfeqn=$7 }
		/^Firmware state:/ { state=$3; }
		/^$/ { 
			if (E!=-1 && S!=-1 && D!=-1) {
				printf "%-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d %s\n",
					E, S, D, s, mec, oec, pfc, lpfeqn, state;
			}
			E=-1; S=-1; D=-1; s=-1; mec=-1; oec=-1; pfc=-1; lpfeqn=-1;
			state="";
		}
	' | sort -n -k1 -k2 -k3
	echo
	echo "Virtual Drive Information:"
	${megacli} -LDInfo -lall -a${ctrl} | \
	awk '
		BEGIN {
			drvs=-1; vd=-1; state=""; name=""; s=-1; strs=-1;
			rlp=-1; rls=-1; rlq=-1;
			printf "VD  DRV RLP RLS RLQ STS    SIZE        STATE         NAME\n";
		}
		/^Name:/ { sub("^Name:", ""); name=$0; }
		/^RAID Level:/ {
			#Primary-1, Secondary-0, RAID Level Qualifier-0
			_p=_s=_q=$0;
			sub(".*Primary-", "", _p);
			sub(", Secondary.*", "", _p);
			rlp=_p;
			sub(".*Secondary-", "", _s);
			sub(", RAID Level.*", "", _s);
			rls=_s;
			sub(".*Qualifier-", "", _q);
			rlq=_q;
		}
		/^Size:/ { sub("^Size:", ""); s=$0; }
		/^State:/ { state=$2; }
		/^Stripe Size:/ { strs=$3; }
		/^Number Of Drives:/ { sub("Drives:", "", $3); drvs=$3; }
		/^Virtual Disk:/ {
			if (vd!=-1) {
				printf "%-3d %-3d %-3d %-3d %-3d %-6s %-11s %-13s %s\n",
					vd, drvs, rlp, rls, rlq, strs, s, state, name; 
			}
			drvs=-1; vd=-1; state=""; name=""; s=-1; strs=-1;
			rlp=-1; rls=-1; rlq=-1;
			vd=$3;
		}
		END {
			if (vd!=-1) {
				printf "%-3d %-3d %-3d %-3d %-3d %-6s %-11s %-13s %s\n",
					vd, drvs, rlp, rls, rlq, strs, s, state, name; 
			}
		}
	'
	# Print BBU Information, if we found something
	${megacli} -AdpBbuCmd -a${ctrl} | \
	awk '
		BEGIN {
			type=""; temp=-1; isok="-"; rsoc=-1; asoc=-1;
			rc=-1; cc=-1; me=-1;
		}
		/^BatteryType:/ { type=$2; }
		/^Temperature:/ { temp=$2; }
		/^isSOHGood:/ { isok=$2; }
		/^Relative State of Charge:/ { rsoc=$5; }
		/^Absolute State of charge:/ { asoc=$5; }
		/^Remaining Capacity:/ { rc=$3; }
		/^Cycle Count:/ { cc=$3; }
		/^Max Error:/ { me=$3; }
		END {
			if (type == "") { exit 0 };
			printf "\nBBU Information:\n"
			printf "TYPE  TEMP  OK   RSOC  ASOC      RC   CC  ME\n";
			printf "%-5s  %2dC  %-3s %4d%% %4d%% %4dmAh %4d %2d%%\n",
				type, temp, isok, rsoc, asoc, rc, cc, me;

		}
	'
	echo

	# Give very long outputs.
	case "$daily_status_mfi_raid_verbose" in
	[Yy][Ee][Ss])
		${megacli} -AdpAllInfo -a${ctrl}
		${megacli} -EncInfo -a${ctrl}
		${megacli} -PDList -a${ctrl}
		${megacli} -LDGetNUm -a${ctrl}
		${megacli} -LDInfo -Lall -a${ctrl}
		${megacli} -AdpBbuCmd -GetBbuStatus -a${ctrl}
		;;
	    *)
		;;
	esac

	# Diff daily logs.
	echo "Controller Logs:"
	ctrl_log=${logdir}/mfi_raid_${ctrl}
	case "$daily_status_mfi_raid_persist_logs" in
	[Yy][Ee][Ss])
		if test ! -f ${ctrl_log}.today; then
			touch ${ctrl_log}.today
		fi
		mv -f ${ctrl_log}.today ${ctrl_log}.yesterday
		;;
	*)
		;;
	esac
	${megacli} -AdpEventLog -GetEvents -f ${ctrl_log}.tmp -a${ctrl}
	awk '
		BEGIN {
			inrecord=0;
		}
		printed=0;
		/^seqNum: / {
			inrecord=0;
			print "";
			print "====================================" \
				"====================================";
		}
		/^Event Data:/ { inrecord=1; printed=1; }
		/^seqNum: /, /^Event Data:/
		/^===========/ { printed=1; }
		/^$/ { printed=1; }
		{ if (inrecord && !printed) { printf "\t%s\n", $0; } }
	' < ${ctrl_log}.tmp > ${ctrl_log}.today
	rm -f ${ctrl_log}.tmp
	# Now show the differences or the entire log.
	case "$daily_status_mfi_raid_persist_logs" in
	[Yy][Ee][Ss])
		cmp -s ${ctrl_log}.yesterday ${ctrl_log}.today
		raid_rc=$?
		if test $raid_rc -ne 0; then
			diff -u ${ctrl_log}.yesterday ${ctrl_log}.today | \
				grep -v '^-\|^$'
		fi
		;;
	*)
		# XXX we might consider clearing the logs here
		# ${megacli} -AdpEventLog -Clear -a${ctrl}
		raid_rc=0
		lines=`wc -l ${ctrl_log}.today | awk '{ print $1 }'`
		if test $lines -gt 4; then
			cat ${ctrl_log}.today
			raid_rc=1
		fi
	esac
	if test $raid_rc -eq 0; then
		echo "  No new log messages."
	fi
	[ $rc -eq 0 ] && [ $raid_rc -ne 0 ] && rc=3
done

exit ${rc}

# end