Nagios Monitor network card traffic script

#!/bin/bash# #Time      : 2014-06-23#author   : ftlynx# Function : use net-snmp get nic traffic on nagios. Usage () {echo  "Usage: check_traffic.sh [options" "echo "      -h      host ip. " echo  "     -p     net-snmp community string." echo  "     -n     nic desc." echo  "     -W     nagios warning value.  Format: 200,300.  200 is in traffic. 300 is out traffic.  unit:kb. default: 5000,5000 "echo "      -C      nagios crit    value. Reference -W. Default:  10000,10000 "echo "      -v     net-snmp version. default 2c. " Exit 2}defaultvalue () {if [ -z  "$IP"  -o -z  "$nicdesc"  -o -z  " $community " ];thenecho -e " error:parameter not enough.\n "usagefiif [ -z   "$warn"  ];thenwarn= "5000,5000" fiif [ -z  "$crit"  ];thencrit= "10000,10000" Fiif  [ -z  "$version"  ];thenversion=2cfi}getresult () {index= ' snmpwalk -v  $version  -c  $community   $IP  IF-MIB::ifDescr | grep  "${nicdesc}$"  |awk -f   '. '   ' {print $2} '  |awk  ' {print $1} ' tempfile= '/tmp/traffic.${ip}-$index ' while [  1 ]doif [ -f  "$tempfile"  ];thenvalue= ' cat  $tempfile ' last_time= ' echo  " $value '  | awk  ' {print $1} ' last_in_traffic= ' echo  ' $value '  |awk  ' {print  $2} ' last_out_traffic= ' echo  "$Value " |awk  ' {print $3} ' now_time= ' date +%s ' now_in_traffic= ' snmpwalk -v  $version  -c  $community   $IP  IF-MIB::ifInOctets.${index} |awk  ' {print  $NF} ' Now_out_ Traffic= ' snmpwalk -v  $version  -c  $community   $IP  if-mib::ifoutoctets.${index}  |awk  ' {print  $NF} ' in_traffic=$ (($now _in_traffic -  $last _in_traffic)) out_traffic=$ (( $now _out_traffic -  $last _out_traffic)) second=$ (($now _time -  $last _time)) in_result=$ (($in _ traffic /  $second  / 1024 * 8)) out_result=$ (($out _traffic /  $second  / 1024 * 8)) elsenow_time= ' date +%s ' now_in_traffic= ' snmpwalk -v  $version  -c  $community   $IP  IF-MIB::ifInOctets.${index} |awk  ' {print  $NF} ' Now_out_ Traffic= ' snmpwalk -v  $version  -c  $community   $IP  if-mib::ifoutoctets.${index}  |awk  ' {print  $NF} ' in_result=0out_result=0fiecho  ' $now _time  $now _in_traffic  $now _out_traffic " >   $tempfileif  [ $? -ne 0 ];thenecho  "$tempfile  write fail." exit 2fiif [  $in _result -le 0 -o  $out _result -le 0 ]; Thensleep 10elsebreakfidone#warn vaulein_warn= ' echo  $warn  |awk -F  ', '   ' { print $1} ' out_warn= ' echo  $warn  |awk -F  ', '   ' {print $2} ' #crit  valuein _crit= ' echo  $crit  | awk -F  ', '   ' {print $1} ' out_crit= ' echo  $crit   | awk -f  ', '   ' {print $2} ' echo  ' In: ${in_result}kbps[${in_warn}kbps][${in_ Crit}kbps]  out: ${out_result}kbps[${out_warn}kbps][${out_crit}kbps] | in=${in_result }kb; out=${out_result}kb; " if [  $in _result -ge  $in _crit -o  $out _result -ge  $in _crit ]; Thenexit 2fiif [  $in _result -ge  $in _warn -o   $out _result -ge  $out _ warn ];thenexit 1fiexit 0}while getopts h:p:n:w:c:v: argsdocase  $args   InH) ip= "$OPTARG";; P) community= "$OPTARG";; W) warn= "$OPTARG";; C) crit= "$OPTARG";; V) version= "$OPTARG";; N) nicdesc= "$OPTARG";;?) Usageesacdonedefaultvaluegetresult

This article is from the "Bamboo Yin" blog, please be sure to keep this source http://ftlynx.blog.51cto.com/2833447/1429865