#!/bin/sh

PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
export PATH
PROGNAME=`basename $0`
REVISION="2.3.1"

. /usr/lib/nagios/plugins/utils.sh

print_usage() {
	echo "Usage: $PROGNAME" [--ignore-fault]
}

print_help() {
	print_revision $PROGNAME $REVISION
	echo ""
	print_usage
	echo ""
	echo "This plugin checks hardware status using" \
		"the lm_sensors package."
	echo ""
	support
	exit $STATE_OK
}

brief_data() {
    echo "$1" | sed -n -E -e '
  /^temp[0-9]+: +[-+][0-9.]+.?C/ {
    s/^temp[0-9]+: +([-+][0-9.]+).?C.*/ \1/; H }
  $ { x; s/\n//g; p }'
}

case "$1" in
--help)
	print_help
	exit $STATE_OK
	;;
-h)
	print_help
	exit $STATE_OK
	;;
--version)
	print_revision $PROGNAME $REVISION
	exit $STATE_OK
	;;
-V)
	print_revision $PROGNAME $REVISION
	exit $STATE_OK
	;;
*)
	sensordata=`sensors 2>&1`
	status=$?
	if test ${status} -eq 127; then
		text="SENSORS UNKNOWN - command not found"
		text="$text (did you install lmsensors?)"
		exit=$STATE_UNKNOWN
	elif test ${status} -ne 0; then
		text="WARNING - sensors returned state $status"
		exit=$STATE_WARNING
	elif echo ${sensordata} | egrep ALARM > /dev/null; then
		text="SENSOR CRITICAL -`brief_data "${sensordata}"`"
		exit=$STATE_CRITICAL
	elif echo ${sensordata} | egrep FAULT > /dev/null \
	    && test "$1" != "-i" -a "$1" != "--ignore-fault"; then
		text="SENSOR UNKNOWN - Sensor reported fault"
		exit=$STATE_UNKNOWN
	else
		text="SENSORS OK -`brief_data "${sensordata}"`"
		exit=$STATE_OK
	fi

	echo "$text"
	if test "$1" = "-v" -o "$1" = "--verbose"; then
		echo ${sensordata}
	fi
	exit $exit
	;;
esac