gateway check for pfSense

check_pfsense_dpinger

#!/bin/sh

# add this file as /usr/local/libexec/check_pfsense_dpinger

# apinger is gone.  This is a new RTT check based on output available from the dpinger sockets

FILES=$(find /var/run  | grep dpinger | grep sock)

stateid=0
message=''

OIFS=$IFS
IFS=$'\n'
temp=$FILES
for FILE in $temp
do
  name=$(cat $FILE | cut -d' ' -f1)
  rrt=$(cat $FILE | cut -d' ' -f2)
  rrts=$(cat $FILE | cut -d' ' -f3)
  loss=$(cat $FILE | cut -d' ' -f4)
#  echo $name $rtt $rtts $loss
  message="${message}${name}: ${loss}% "
  if  [ "$loss" -lt "5" ];    
   then
      if [ "$stateid" -lt "1" ];
      then
         status="OK"
         stateid=0
      fi
   elif [ "$loss" -gt "6" ] && [ "$loss" -lt "100" ];
   then
      if [ "$stateid" -lt "1" ];
      then
         status="WARNING"
         stateid=1
      fi
   elif [ "$loss" -eq "100" ];
   then
      if [ "$stateid" -lt "2" ];
      then
         status="CRITICAL"
         stateid=2
      fi
   fi
done 
echo "$status - $message"
exit $stateid

nrpe_local.cfg

# add to /usr/local/etc/nrpe.cfg and restart NRPE service

command[check_gateways]=/usr/local/libexec/nagios/check_pfsense_dpinger