需求:获取交换机当前使用带宽 如果超过阀值就发短消息报警
主要利用公司的短信接口和snmpwalk命令来实现
一、基础环境
1、版本
cat /etc/debian_version
7.8
2、内核
uname -r
3.2.0-4-amd64
3、ip(eth0)
10.1.10.185
二、具体脚本
#!/bin/bash
#--------------------------------------------------
#Author:jimmygong
#Email:jimmygong@taomee.com
#FileName:shcnc.sh
#Function:获取交换机带宽超过阀值就发短消息
#Version:1.0
#Created:2015-11-12
#--------------------------------------------------
#apt-get -y install snmp curl links or yum -y install curl links net-snmp-utils
function get ()
{
hostip=‘111.111.111.111‘
snmpc="222222222222"
hostport="1111"
timed="15"
in1=$(snmpwalk -Ov -v 2c -c $snmpc $hostip IF-MIB::ifHCInOctets.$hostport)
in1=${in1#*: }
out1=$(snmpwalk -Ov -v 2c -c $snmpc $hostip IF-MIB::ifHCOutOctets.$hostport)
out1=${out1#*: }
sleep $timed
in2=$(snmpwalk -Ov -v 2c -c $snmpc $hostip IF-MIB::ifHCInOctets.$hostport)
in2=${in2#*: }
out2=$(snmpwalk -Ov -v 2c -c $snmpc $hostip IF-MIB::ifHCOutOctets.$hostport)
out2=${out2#*: }
in=$((($in2-$in1)*8/1000000/$timed))
out=$((($out2-$out1)*8/1000000/$timed))
echo $in:$out
}
function send ()
{
g=$(get)
i=${g%:*}
e=${g#*:}
c=95
telgroup=(11111111111)
sign="222222222222222"
if [[ $i -gt $c ]]
then
msg="shcnc%20ingress%20rate:%20${i}mbps%20>%20$c"
for tt in ${telgroup[@]}
do
/usr/bin/links -dump "http://111.111.111.111/aaa/back.send?mobile=$tt&msg=$msg&sms_sign=$sign"
done
fi
if [[ $e -gt $c ]]
then
msg="shcnc%20egress%20rate:%20${e}mbps%20>%20$c"
for tt in ${telgroup[@]}
do
/usr/bin/curl "http://111.111.111.111/aaa/back.send?mobile=$tt&msg=$msg&sms_sign=$sign"
done
fi
}
send
exit 0本文出自 “7928217” 博客，请务必保留此出处http://7938217.blog.51cto.com/7928217/1712358
原文：http://7938217.blog.51cto.com/7928217/1712358