检测IP地址冲突的shell脚本-check_server_ip_conflict.sh
check_server_ip_conflict.sh
使用arping获取对应IP地址的MAC地址,如果和预料的不一致则报警;
#!/bin/bash
epg_addr_01="00:50:56:B7:64:2A"
epg_addr_02="00:50:56:B7:44:43"
vod_addr_01="00:50:56:B7:28:AB"
vod_addr_02="00:50:56:B7:02:6C"
epg_ip_01="10.108.144.1"
epg_ip_02="10.108.144.2"
vod_ip_01="10.108.144.3"
vod_ip_02="10.108.144.4"
epg_vip="10.108.144.5"
vod_vip="10.108.144.6"
log_check="/var/log/sunlight/check_ip_conflict.log"
log_time=$(date "+%Y/%m/%d %H:%M:%S")
log_date=$(date "+%Y%m%d")
event_check=0
function send_email()
{
echo " " >> $log_check
ping_count=$(ping -W 3 -c 1 baidu.com | grep ttl | wc -l)
if [ $ping_count -eq 1 ];then
echo "[ info ] Begin to send mail......" >> $log_check
echo "[ info ] `date "+%Y/%m/%d %H:%M:%S"` send mail content : $1" >> $log_check
if [ -f /sunlight/python/slt_send_mail.py ];then
python /sunlight/python/slt_send_mail.py "$1"
if [ $? -eq 0 ];then
echo "[ SUCCESS ] `date "+%Y/%m/%d %H:%M:%S"` send mail finished!" >> $log_check
else
echo " [ Error ] `date "+%Y/%m/%d %H:%M:%S"` send mail failed! " >> $log_check
fi
else
echo " [ Error ] `date "+%Y/%m/%d %H:%M:%S"` /sunlight/python/slt_send_mail.py does not exist! " >> $log_check
fi
else
echo " [ Error ] `date "+%Y/%m/%d %H:%M:%S"` can't connect to the Internet! " >> $log_check
fi
}
function send_email_use_epg()
{
echo " " >> $log_check
ping_count=$(ssh -o StrictHostKeyChecking=no -i /usr/local/sunlight/sshkeys/init.pk -p2222 10.108.144.1 "ping -W 3 -c 1 baidu.com | grep ttl | wc -l")
if [ $ping_count -eq 1 ];then
echo "[ info ] Begin to send mail......" >> $log_check
echo "[ info ] `date "+%Y/%m/%d %H:%M:%S"` send mail content : $1" >> $log_check
ssh -o StrictHostKeyChecking=no -i /usr/local/sunlight/sshkeys/init.pk -p2222 10.108.144.1 "python /sunlight/python/slt_send_mail.py \"$1\""
if [ $? -eq 0 ];then
echo "[ SUCCESS ] `date "+%Y/%m/%d %H:%M:%S"` send mail finished!" >> $log_check
else
echo " [ Error ] `date "+%Y/%m/%d %H:%M:%S"` send mail failed! " >> $log_check
fi
else
echo " [ Error ] `date "+%Y/%m/%d %H:%M:%S"` can't connect to the Internet! " >> $log_check
fi
}
while true
do
echo " " >> $log_check
echo "-----------------------------------------------" >> $log_check
check_epg_01_ip=$( ip addr | grep $epg_ip_01 | wc -l)
if [ $check_epg_01_ip -eq 1 ];then
peer_ip=$epg_ip_02
peer_mac=$epg_addr_02
send_warn="send_email"
else
peer_ip=$epg_ip_01
peer_mac=$epg_addr_01
send_warn="send_email_use_epg"
fi
#master and slave node need to arping peer ip;
echo "[ INFO ] `date "+%Y/%m/%d %H:%M:%S"` target IP : ${peer_ip} correct Mac : ${peer_mac}" >> $log_check
arping -w 20 -c 10 -I eth0 ${peer_ip} | ( while read line
do
if [ "${line:0:7}" == "Unicast" ];then
grep_peer_mac=$(echo $line | grep -o ${peer_mac} | wc -l)
if [ $grep_peer_mac -eq 0 ];then
event_check=1
error_mac=$(echo $line | grep -E -o "\[(.*)\]")
echo "[ Error ] `date "+%Y/%m/%d %H:%M%S"` ${peer_ip} find conflict!!!! error mac: $error_mac " >> $log_check
break
else
echo $line >> $log_check
fi
fi
done
if [ $event_check -eq 1 ];then
event_string="<p><span style='color:#FF0000'>亚特兰蒂斯报警监控</span></p>"
event_string="$event_string<hr/>"
event_string="$event_string<p>报警内容: 出现IP地址冲突!</p>"
event_string="$event_string<p>冲突IP:${peer_ip}</p>"
event_string="$event_string<p>正确的Mac地址:${peer_mac}</p>"
event_string="$event_string<p>检测到的Mac地址: $error_mac</p>"
event_string="$event_string<hr/><p>请登录检查!</p>"
eval "$send_warn \"$event_string\""
fi
)
check_vip=$( ip addr | grep $epg_vip | wc -l)
#use slave node to check all the other ip;
if [ $check_vip -ne 1 ];then
#check vod_ip_01
echo "[ INFO ] `date "+%Y/%m/%d %H:%M:%S"` target IP : ${vod_ip_01} correct Mac : ${vod_addr_01}" >> $log_check
arping -w 20 -c 10 -I eth0 ${vod_ip_01} | ( while read line
do
if [ "${line:0:7}" == "Unicast" ];then
grep_vod_01=$(echo $line | grep -o ${vod_addr_01} | wc -l)
if [ $grep_vod_01 -eq 0 ];then
event_check=1
error_mac=$(echo $line | grep -E -o "\[(.*)\]")
echo "[ Error ] `date "+%Y/%m/%d %H:%M%S"` ${vod_ip_01} find conflict!!!! error mac: $error_mac " >> $log_check
break
else
echo $line >> $log_check
fi
fi
done
if [ $event_check -eq 1 ];then
event_string="<p><span style='color:#FF0000'>亚特兰蒂斯报警监控</span></p>"
event_string="$event_string<hr/>"
event_string="$event_string<p>报警内容: 出现IP地址冲突!</p>"
event_string="$event_string<p>冲突IP:${vod_ip_01}</p>"
event_string="$event_string<p>正确的Mac地址:${vod_addr_01}</p>"
event_string="$event_string<p>检测到的Mac地址: $error_mac</p>"
event_string="$event_string<hr/><p>请登录检查!</p>"
eval "$send_warn \"$event_string\""
fi
)
#check vod_ip_02
echo "[ INFO ] `date "+%Y/%m/%d %H:%M:%S"` target IP : ${vod_ip_02} correct Mac : ${vod_addr_02}" >> $log_check
arping -w 20 -c 10 -I eth0 ${vod_ip_02} | ( while read line
do
if [ "${line:0:7}" == "Unicast" ];then
grep_vod_02=$(echo $line | grep -o ${vod_addr_02} | wc -l)
if [ $grep_vod_02 -eq 0 ];then
event_check=1
error_mac=$(echo $line | grep -E -o "\[(.*)\]")
echo "[ Error ] `date "+%Y/%m/%d %H:%M%S"` ${vod_ip_02} find conflict!!!! error mac: $error_mac " >> $log_check
break
else
echo $line >> $log_check
fi
fi
done
if [ $event_check -eq 1 ];then
event_string="<p><span style='color:#FF0000'>亚特兰蒂斯报警监控</span></p>"
event_string="$event_string<hr/>"
event_string="$event_string<p>报警内容: 出现IP地址冲突!</p>"
event_string="$event_string<p>冲突IP:${vod_ip_02}</p>"
event_string="$event_string<p>正确的Mac地址:${vod_addr_02}</p>"
event_string="$event_string<p>检测到的Mac地址: $error_mac</p>"
event_string="$event_string<hr/><p>请登录检查!</p>"
eval "$send_warn \"$event_string\""
fi
)
#check epg_vip
echo "[ INFO ] `date "+%Y/%m/%d %H:%M:%S"` target IP : ${epg_vip} correct Mac : ${epg_addr_01} || ${epg_addr_02}" >> $log_check
arping -w 20 -c 10 -I eth0 ${epg_vip} | ( while read line
do
if [ "${line:0:7}" == "Unicast" ];then
grep_epg_master=$(echo $line | grep -o ${epg_addr_01} | wc -l)
grep_epg_slave=$(echo $line | grep -o ${epg_addr_02} | wc -l)
if [[ $grep_epg_master -eq 0 && $grep_epg_slave -eq 0 ]];then
event_check=1
error_mac=$(echo $line | grep -E -o "\[(.*)\]")
echo "[ Error ] `date "+%Y/%m/%d %H:%M%S"` ${epg_vip} find conflict!!!! error mac: $error_mac " >> $log_check
break
else
echo $line >> $log_check
fi
fi
done
if [ $event_check -eq 1 ];then
event_string="<p><span style='color:#FF0000'>亚特兰蒂斯报警监控</span></p>"
event_string="$event_string<hr/>"
event_string="$event_string<p>报警内容: 出现IP地址冲突!</p>"
event_string="$event_string<p>冲突IP:${epg_vip}</p>"
event_string="$event_string<p>正确的Mac地址:${epg_addr_01} || ${epg_addr_02}</p>"
event_string="$event_string<p>检测到的Mac地址: $error_mac</p>"
event_string="$event_string<hr/><p>请登录检查!</p>"
eval "$send_warn \"$event_string\""
fi
)
#check vod_vip
echo "[ INFO ] `date "+%Y/%m/%d %H:%M:%S"` target IP : ${vod_vip} correct Mac : ${vod_addr_01} || ${vod_addr_02}" >> $log_check
arping -w 20 -c 10 -I eth0 ${vod_vip} | ( while read line
do
if [ "${line:0:7}" == "Unicast" ];then
grep_vod_master=$(echo $line | grep -o ${vod_addr_01} | wc -l)
grep_vod_slave=$(echo $line | grep -o ${vod_addr_02} | wc -l)
if [[ $grep_vod_master -eq 0 && $grep_vod_slave -eq 0 ]];then
event_check=1
error_mac=$(echo $line | grep -E -o "\[(.*)\]")
echo "[ Error ] `date "+%Y/%m/%d %H:%M%S"` ${vod_vip} find conflict!!!! error mac: $error_mac " >> $log_check
break
else
echo $line >> $log_check
fi
fi
done
if [ $event_check -eq 1 ];then
event_string="<p><span style='color:#FF0000'>亚特兰蒂斯报警监控</span></p>"
event_string="$event_string<hr/>"
event_string="$event_string<p>报警内容: 出现IP地址冲突!</p>"
event_string="$event_string<p>冲突IP:${vod_vip}</p>"
event_string="$event_string<p>正确的Mac地址:${vod_addr_01} || ${vod_addr_02}</p>"
event_string="$event_string<p>检测到的Mac地址: $error_mac</p>"
event_string="$event_string<hr/><p>请登录检查!</p>"
eval "$send_warn \"$event_string\""
fi
)
fi
sleep 600
done