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./check_snmp_temp: řádek 113: [: 13.93: očekáván celočíselný výraz
Not recieving a sane temperature!

#!/bin/bash

# Exit codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3

#This will check the temperature and compare it to
#supplied warning and critical levels. Output will be parsable by nagios.
#
#Options:
#
#-w INTEGER
#   Exit with WARNING status if the temp is less than INTEGER
#
#-c INTEGER
#   Exit with CRITICAL status if the temp is less than INTEGER
#
#-i STRING
#   IP to check
#
#-C STRING
#   SNMP community to check

WARNINGFLAG=false
CRITICALFLAG=false
IPFLAG=false
COMMUNITYFLAG=false
ARGUEMENTFLAG=false

#This block will test the arguements as parsed
while getopts 'w:c:i:C:' opt; do
        case $opt in
                w) WARNING=$OPTARG
                if ! [ $WARNING -eq $WARNING ] 2>/dev/null; then
                        echo "Warning value is not an integer!" >&2
                        ARGUEMENTFLAG=true
                fi
                WARNINGFLAG=true
                ;;
                c) CRITICAL=$OPTARG
                if ! [ $CRITICAL -eq $CRITICAL ] 2>/dev/null; then
                        echo "Critical value is not an integer!" >&2
                        ARGUEMENTFLAG=true
                fi
                CRITICALFLAG=true
                ;;
                i) IP=$OPTARG
                #Tests if ip is in correct format
                #First check if basic format is correct
                if [[ $IP =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
                        #Then test if IP is in sensible range
                        iterator=1
                        while [ $iterator -le 4 ]; do
                                number=`echo $IP | cut -d . -f $iterator`
                                if [ $number -ge 256 ]; then
                                        echo "The IP supplied is not in a valid format" >&2
                                        ARGUEMENTFLAG=true
                                fi
                                iterator=$(($iterator+1))
                        done
                else
                        echo "The IP supplied is not in a valid format" >&2
                        exit 1
                fi
                IPFLAG=true
                ;;
                C) COMMUNITY=$OPTARG
                COMMUNITYFLAG=true
                ;;
                \?) echo "Invalid option: -$OPTARG" >&2
                exit 1
                ;;
                :) echo "Option -$OPTARG requires an argument." >&2
                exit 1
                ;;
        esac
done

#Checks to see if any arguments are missing:
if ! $WARNINGFLAG; then
        echo "A Warning level is required!" >&2
        ARGUEMENTFLAG=true
fi
if ! $CRITICALFLAG; then
        echo "A Critical level is required!" >&2
        ARGUEMENTFLAG=true
fi
if ! $IPFLAG; then
        echo "An IP address is required!" >&2
        ARGUEMENTFLAG=true
fi
if ! $COMMUNITYFLAG; then
        echo "A community name is required!" >&2
        ARGUEMENTFLAG=true
fi
if $ARGUEMENTFLAG; then
        exit $STATE_UNKNOWN
fi

#Checks for sane Warning/Critical levels
if [ $WARNING -gt $CRITICAL ]; then
        echo "Warning level should not be higher than Critical level"
        exit $STATE_UNKNOWN
fi

#grabs the current temperature using snmpwalk from the ip and snmp community provided
FULLTEMP=`snmpwalk -v2c -c $COMMUNITY $IP 1.3.6.1.4.1.33283.1.2.6.1.5.1 | cut -d ' ' -f 4`
CURRENTTEMP=$(echo "scale=2; $FULLTEMP/100" | bc)

#Checks for sane temperature
if ! [ $CURRENTTEMP -eq $CURRENTTEMP ]; then
        echo "Not recieving a sane temperature!"
        exit $STATE_UNKNOWN
fi

#Checks the temperature against the warning and critical levels and gives a nagios compatible response
if [ $CURRENTTEMP -lt $WARNING ]; then
        echo "TEMP OK - Current Temperature is $CURRENTTEMP"
        exit $STATE_OK
elif [ $CURRENTTEMP -lt $CRITICAL ]; then
        echo "TEMP WARNING - Current Temperature is $CURRENTTEMP"
        exit $STATE_WARNING
else
        echo "TEMP CRITICAL - Current Temperature is $CURRENTTEMP"
        exit $STATE_CRITICAL
fi