#!/bin/bash

#
# /usr/sbin/healthd
#

. /etc/conf.d/healthd

cmd="${ALARM_CMD}"
addr="${ADMIN_EMAIL}"
slp="${ALARM_SLEEP}"
sensors="/usr/bin/sensors"


while [ $# -gt 0 ]
do
	case "${1}" in
		-c ) cmd="${2}";  shift 2 ;;
		-m ) addr="${2}"; shift 2 ;;
		-s ) slp="${2}";  shift 2 ;;
		*  ) shift 1 ;;
	esac
done

if ! which -- "${cmd%% *}" ||
   [ -z "${addr}" ]
then
	exit 1
fi

[ "${slp}" -ge 2 ] || slp=600

while :
do
	sleep 15
	message="$( $sensors )"
	case "$message" in
		''      ) message='Could not get any sensor values !' ;;
		*ALARM* ) : ;;
		*       ) message='' ;;
	esac
	if [ -n "$message" ]; then
		echo "$message" | mail -s \
			"Sensors ALARM detected at host: $( hostname )" \
			"${addr}"
		${cmd} &
		sleep ${slp}
	fi
done