#!/bin/bash
#
#
#   Copyright Toby Sears 2012
#  
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# Script to remotely check the status of a raid
# - Requires that the server has the "megaclisas-status --nagios" application available
# - Requires passwordless login via SSH (key auth)
# - Syntax: check_raid HOSTNAME USERNAME
#

if [ $1 == "-h" ]
then

	echo "

Script to remotely check the status of a raid.
 - Requires that the server has the \"megaclisas-status --nagios\" application available
 - Requires passwordless login via SSH (key auth)
Useage:
check_raid [HOSTNAME] [USERNAME]

"
	exit 0

elif [ -z "$1" ]
then
	echo "UNKNOWN: Missing argument HOSTNAME"
	exit 3
elif [ -z "$2" ]
then
	echo "UNKNOWN: Missing argument USERNAME"
	exit 3
fi

HOST=$1
USER=$2

RAID_STATUS=$(ssh -q $USER@$HOST "sudo megaclisas-status --nagios")

if [ -z "$RAID_STATUS" ]
then
	echo "WARNING: megasas-status not responding"
	exit 1
fi

if [[ "$RAID_STATUS" == "RAID OK"* ]]
then
	STATUS="OK: "
	EX=0
else
	STATUS="CRITICAL: "
	EX=2
fi

echo "$STATUS $RAID_STATUS"
exit $EX