#!/bin/bash
# Adaptec AAC-RAID  plugin for Nagios
# Written by M.Koettenstorfer (mko@lihas.de)
# Last Modified: 06-11-2008

# set -x

#
# Description:
#
# This plugin will check the status of a local
# Adaptec AAC-RAID. It will provide how errors happen
#
# where arcconf lives 
RUNARCONF="/usr/StorMan/arcconf"
ARCONFLISTSTATE="$RUNARCONF GETLOGS 1 DEVICE tabular"


# Nagios return codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
STATE_DEPENDENT=4

if [ ! -x "$RUNARCONF" ]
then
	echo "UNKNOWN: $ARCONFLISTSTATE not found or is not executable by the nagios user"
	exitstatus=$STATE_UNKNOWN
	exit $exitstatus
fi

PROGNAME=`basename $0`

print_usage() {
	echo "Usage: $PROGNAME SOME OPTIONS>"
	echo ""
	echo "Notes:"
	echo "-w: WARNING level for errors"
	echo "-c: CRITICAL level for errors"
	echo ""
}

print_help() {
	print_usage
	echo ""
	echo "This plugin will check the howmany errors happend on Raid Controller."
	echo ""
	exit 0
}



check_error_count()
{
                        if [ "$allerrors" -ge "$critlevel" ]
                        then
                                MESSAGE="RAID CRITICAL, $numParityErrors numParityErrors, $hwErrors hwErrors, $mediumErrors mediumErrors"
                                exitstatus=$STATE_CRITICAL
                        elif [ "$allerrors" -ge "$critlevel" ]
                        then
                                MESSAGE="RAID WARNING, $numParityErrors numParityErrors, $hwErrors hwErrors, $mediumErrors mediumErrors"
                                exitstatus=$STATE_WARNING
                        else
                                MESSAGE="RAID OK, $numParityErrors numParityErrors, $hwErrors hwErrors, $mediumErrors mediumErrors"
                                exitstatus=$STATE_OK
                        fi 
}

if [ $# -lt 4 ]; then
	print_usage
	exit $STATE_UNKNOWN
fi

exitstatus=$STATE_UNKNOWN #default

while test -n "$1"; do
	case "$1" in
		--help)
			print_help
			exit $STATE_OK
			;;
		-h)
			print_help
			exit $STATE_OK
			;;
		-w)
			warnlevel=$2
			shift
			;;
		-c)	
			critlevel=$2
			shift
			;;
	esac
	shift
done

# Check arguments for validity
if [ $warnlevel -lt $critlevel ] # Do the warn/crit values make sense?
then	
	echo "CRITICAL value of $warnlevel less than WARNING level of $critlevel"
	print_usage
	exitstatus=$STATE_UNKNOWN
	exit $exitstatus
elif [ -n $library ]
then
	TMP=`mktemp -t numerrors.XXXXXX` # Create a tmpfile to store the full test result
	HTMP=`mktemp -t hwerrors.XXXXXX` # Create a tmpfile to store the full test result
	MTMP=`mktemp -t mediumerrors.XXXXXX` # Create a tmpfile to store the full test result
	$ARCONFLISTSTATE | grep Err | grep -v smart | grep -v drive | grep numParityErrors| awk '{print $3}' > $TMP 
	$ARCONFLISTSTATE | grep Err | grep -v smart | grep -v drive | grep hwErrors | awk '{print $3}' > $HTMP 
	$ARCONFLISTSTATE | grep Err | grep -v smart | grep -v drive | grep mediumErrors | awk '{print $3}' > $MTMP 
	numParityErrors=`a=$(cat $TMP) ; echo $a | tr ' ' '+'| bc`
	hwErrors=`a=$(cat $HTMP) ; echo $a | tr ' ' '+'| bc`
	mediumErrors=`a=$(cat $MTMP) ; echo $a | tr ' ' '+'| bc`
	allerrors=`echo "$numParityErrors + $hwErrors + $mediumErrors" | bc`
	
		check_error_count
	
	rm -rf $TMP
	rm -rf $HTMP
	rm -rf $MTMP
fi

echo $MESSAGE
exit $exitstatus