check_snmp_qnap_temperature

#!/bin/bash
#
#    Program : check_snmp_qnap_disks
#            :
#     Author : Jason Rivers <jason@jasonrivers.co.uk>
#            :
#    Purpose : Nagios plugin to return Information about Disks in a QNAP NAS
#            :
# Parameters : --help
#            : --version
#            :
#    Returns : Standard Nagios status_* codes
#            :
#    Licence : GPL
#
#      Notes : See --help for details
#============:==============================================================

#set -x

STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3

EXITCODE=$STATE_UNKNOWN

OID_MODEL_NUMBER=".1.3.6.1.4.1.24681.1.2.12"
OID_SYS_TEMP=".1.3.6.1.4.1.24681.1.2.6"

SNMPWALK=/usr/bin/snmpwalk
SNMPGET=/usr/bin/snmpget
SNMP_COMMUNITY="public"
SNMP_VERSION="2c"
WARNING=42
CRITICAL=45

while getopts H:v:C:w:c:hV OPT
do
  case "$OPT" in
    H) REMOTE_HOSTNAME="$OPTARG" ;;
    v) SNMP_VERSION="$OPTARG" ;;
    C) SNMP_COMMUNITY="$OPTARG" ;;
    w) WARNING=$OPTARG ;;
    c) CRITICAL=$OPTARG ;;
    h) print_help
       exit "$STATE_UNKNOWN" ;;
    V) print_version
       exit "$STATE_UNKNOWN";;
   esac
done


DISK_COUNTER=1
EXITMSG=""

SYSTEM_TEMP=`$SNMPWALK -c $SNMP_COMMUNITY -v $SNMP_VERSION $REMOTE_HOSTNAME ${OID_SYS_TEMP} -Oav | cut -c "10-11"`
PERFDATA="temperature=${SYSTEM_TEMP}"

if [ $SYSTEM_TEMP -ge $CRITICAL ]; then
	EXITCODE=$STATE_CRITICAL
	EXITMSG="CRITICAL: System temperature ${SYSTEM_TEMP}C"
elif [ $SYSTEM_TEMP -ge $WARNING ]; then
	EXITCODE=$STATE_WARNING
	EXITMSG="WARNING: System temperature ${SYSTEM_TEMP}C"
elif [ $SYSTEM_TEMP -lt $WARNING ]; then
	EXITCODE=$STATE_OK
	EXITMSG="OK: System temperature ${SYSTEM_TEMP}C"
else
	EXITCODE=$STATE_UNKNOWN
	EXITMSG="UNKNOWN: Unable to get system temperature"
fi

echo "${EXITMSG}|${PERFDATA}"
exit $EXITCODE