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nagios 监控 网卡流量 脚本
#!/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 "$community" ];then echo -e "Error:Parameter not enough.\n" Usage fi if [ -z "$warn" ];then warn="5000,5000" fi if [ -z "$crit" ];then crit="10000,10000" fi if [ -z "$version" ];then version=2c fi } GetResult(){ index=`snmpwalk -v $version -c $community $IP IF-MIB::ifDescr | grep "${nicdesc}$" |awk -F ‘.‘ ‘{print $2}‘ |awk ‘{print $1}‘` tempfile="/tmp/traffic.${IP}-$index" while [ 1 ] do if [ -f "$tempfile" ];then value=http://www.mamicode.com/`cat $tempfile`"$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)) else 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 $NF}‘` in_result=0 out_result=0 fi echo "$now_time $now_in_traffic $now_out_traffic" > $tempfile if [ $? -ne 0 ];then echo "$tempfile write fail." exit 2 fi if [ $in_result -le 0 -o $out_result -le 0 ];then sleep 10 else break fi done #warn vaule in_warn=`echo $warn |awk -F ‘,‘ ‘{print $1}‘` out_warn=`echo $warn |awk -F ‘,‘ ‘{print $2}‘` #crit value in_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 ];then exit 2 fi if [ $in_result -ge $in_warn -o $out_result -ge $out_warn ];then exit 1 fi exit 0 } while getopts H:P:N:W:C:V: args do case $args in H) IP="$OPTARG" ;; P) community="$OPTARG" ;; W) warn="$OPTARG" ;; C) crit="$OPTARG" ;; V) version="$OPTARG" ;; N) nicdesc="$OPTARG" ;; ?) Usage esac done DefaultValue GetResult
本文出自 “竹阴下” 博客,请务必保留此出处http://ftlynx.blog.51cto.com/2833447/1429865
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