pfsense-nagios-checks/check_pf_cpu
Dallas 7e814fef25
Update check_pf_cpu
Different output from top when upgraded from 2.45 to 2.5 (21.02). This modification works for both new and old.
2021-02-19 14:54:54 -06:00

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#!/bin/sh
if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ] ; then
warn=$2
crit=$4
IDLE=$(top -b -d2 | grep 'CPU:' | cut -d',' -f5 | cut -d'%' -f1 | cut -d'.' -f1 | sed -e 's/^[ \t]*//' | tail -1)||exit 3
#UTIL=`echo "100-$IDLE"| bc`
UTIL=`expr 100 - $IDLE`
#UTIL_RND=`echo "100-$IDLE"| bc | awk '{printf("%d\n",$1 + 0.5)}'`
#echo "DEBUG: IDLE:$IDLE"
#echo "DEBUG: UTIL:$UTIL"
#echo "DEBUG: UTIL_RND:$UTIL_RND"
if [ $UTIL -ge $warn ];then
if [ $UTIL -ge $crit ]; then
echo "CRITICAL - CPU Usage = $UTIL%|CPU=$UTIL;;;;"
exit 2
else
echo "WARNING - CPU Usage = $UTIL%|CPU=$UTIL;;;;"
exit 1
fi
else
echo "OK - CPU Usage = $UTIL%|CPU=$UTIL;;;;"
exit 0
fi
else
echo "check_cpu.sh - Nagios Plugin for checking CPU idle percentage "
echo ""
echo "Usage: check_pf_cpu.sh -w <warnlevel> -c <critlevel>"
exit 3
fi