简单日志监控告警小脚本

#!/bin/bash
#monitor tomcat_log
LOG_DIR=/root/catalina.out
IP=`ifconfig  | grep "inet addr" | grep Bcast | awk -F '[  :]+' '{print $4}'`

tail -Fn0 $LOG_DIR| \
while read line;do
echo $line | grep  -i  -f /root/errorword.txt >/dev/null
if [ $? -eq 0 ];then
echo -e "IP: $IP \n Datetime: $(date) \n Problem: $line" | mail -s "Warning:$IP Log Error " 510264942@qq.com
echo "$IP,$(date),$line" >>/var/log/error_report.log

fi
done