#!/bin/bash
#
# Check disk Win2003
# by Hadrien
#
# Usage : ./disk.sh <IP> <COMMUNITY> <ID SNMP DISK>

if [ "$1" != "" -a "$2" != "" -a "$3" != "" ]; then

        oid_used='.1.3.6.1.2.1.25.2.3.1.6'
        oid_size='.1.3.6.1.2.1.25.2.3.1.5'

        used=`/usr/bin/snmpwalk -v1 -c$2 $1 $oid_used.$3 |cut -d "=" -f2 |cut -d ":" -f2 |awk {'print $1'}`
        size=`/usr/bin/snmpwalk -v1 -c$2 $1 $oid_size.$3 |cut -d "=" -f2 |cut -d ":" -f2 |awk {'print $1'}`

        if [ "$used" != "0" -a "$size" != "0" -a "$used" != "" -a "$size" != "" ]; then
                percent=`echo $(($used*100/$size))`
        fi

        if [ "$percent" != "" ]; then

                if [ "$percent" -lt 90 ]; then
                        echo "OK - Disque $percent%"
                        exit 0
                elif [ "$percent" -ge 90 -a "$percent" -le 95 ]; then
                        echo "WARNING - Disque $percent%"
                        exit 1
                else
                        echo "CRITICAL - Disque $percent%"
                        exit 2
                fi

        else
                echo "Pas de retour"
                exit 3
        fi
else
        echo 'Erreur de syntax'
	echo "Usage : $0 <IP> <COMMUNITY> <ID SNMP DISK>"
        exit 3
fi