#!/bin/sh

# NOTE: Must be run as root, so you probably need to setup sudo for this.

if test -f /tmp/dres; then rm -f /tmp/dres; fi
if test -f /tmp/dscan; then rm -f /tmp/dscan; fi

# Get the list of all available devices
smartctl --scan > /tmp/dscan

while IFS= read -r LINE; do
	## Get device and type
	DISK=$(echo "${LINE}" | cut -d" " -f1)
	TYPE=$(echo "${LINE}" | cut -d" " -f3)

	## Get SMART Health Status and return code
	DRES=$(/usr/sbin/smartctl -H -d "${TYPE}" -n standby "${DISK}")
	DCODE=$?
	DSTBY=$(( DCODE & 2 ))
	DFAIL=$(( DCODE & 8 ))
	DWARN=$(( DCODE & 32 ))

	## Give a weight to each to color to easily get the page status
	if test $DSTBY -ne 0
	then
		COLOR="4&clear"
	elif test $DFAIL -ne 0
	then
		COLOR="1&red"
	elif test $DWARN -ne 0
	then
		COLOR="2&yellow"
	else
		COLOR="3&green"
	fi

	echo "${COLOR} $DISK ${TYPE}"

	echo "${COLOR} $DISK ${TYPE}" | cut -c2- >>/tmp/dres
	echo "" >>/tmp/dres
	echo "$DRES" | grep -v -E "^smartctl|^Copyright|^$|^===" >>/tmp/dres
	echo "------------------------------------------------------------" >>/tmp/dres
	echo "" >>/tmp/dres
	echo "" >>/tmp/dres
done < /tmp/dscan >/tmp/dcheck

# Set the global color according to the highest alert
COLOR=$(< /tmp/dcheck awk '{print $1}' | sort | uniq | head -1 | cut -c3-)

$XYMON "${XYMSRV}" "status ${MACHINE}.smart ${COLOR} SMART health check

$(< /tmp/dcheck cut -c2-)

==================== Detailed status ====================

$(cat /tmp/dres)
"

rm -f /tmp/dres /tmp/dcheck /tmp/dscan

exit 0