#!/bin/sh
NAGIOS_OK=0 NAGIOS_WARNING=1 NAGIOS_CRITICAL=2 #KEY_SNMP="public" #IP="10.14.0.20" #OID=".1.3.6.1.2.1.2.2.1.14" #NAME_OID="InErrors" print_usage() { PROGNAME=`basename $0` echo "Usage: $PROGNAME -h <IP ADDRESS SWITCH> -k <SNMP KEY> -o <OID> -n <NAME OID> -w <WARNING> -c <CRITICAL>" } if [ $# -lt 12 ]; then print_usage exit $NAGIOS_WARNING fi while getopts "h:k:o:n:w:c:" Option do case $Option in h) IP=$OPTARG;; k) KEY_SNMP=$OPTARG;; o) OID=$OPTARG;; n) NAME_OID=$OPTARG;; w) WARN=$OPTARG;; c) CRIT=$OPTARG;; esac done OID_PORTS="/tmp/$NAME_OID-ports-$IP" RES_NEW="/tmp/$NAME_OID-new_res-$IP" RES_OLD="/tmp/$NAME_OID-old_res-$IP" RESULT="/tmp/$NAME_OID-RESULT-$IP" new_to_old() { cp $RES_NEW $RES_OLD rm $RES_NEW } CMD=`snmpwalk -c $KEY_SNMP -v 2c $IP $OID | awk '{print $4}' > $RES_NEW` REQUEST=`cat $RES_NEW | wc -l | awk '{print $1}'` if [ "$REQUEST" -eq "0" ]; then echo "SNMP NOT CONNECTED" exit $NAGIOS_CRITICAL fi if [ -f $RES_OLD ]; then FIND_PORTS=`diff $RES_OLD $RES_NEW | grep "c" | sed -re 's/\c.*$//' > $OID_PORTS` TESTFILE=`wc -l $OID_PORTS | awk '{print $1}'` if [ $TESTFILE -eq 0 ]; then echo "All ports OK" new_to_old exit $NAGIOS_OK else IN=`cat $OID_PORTS` for i in $(echo $IN); do NEW=`cat $RES_NEW | head -n$i | tail -n1` OLD=`cat $RES_OLD | head -n$i | tail -n1` SUM=$(($NEW-$OLD)) if [ "$SUM" -gt "$CRIT" ]; then echo "port:$i count:$SUM status=CRIT;;" fi if [ "$SUM" -gt "$WARN" ]; then echo "port:$i count:$SUM status=WARN;;" else echo "port:$i count:$SUM status=OK;;" fi done > $RESULT cat $RESULT | xargs WC=`cat $RESULT | grep CRIT | wc -l | awk '{print $1}'` if [ $WC -gt "0" ]; then status=$NAGIOS_CRITICAL else status=$NAGIOS_WARNING fi new_to_old rm $RESULT exit $status fi else echo "First run!" new_to_old exit $NAGIOS_WARNING fi
