通过rsync实现全网数据备份检查脚本

[root@linux-node2 scripts]# vi backup.sh

#！/bin/sh
IP="`ifconfig eth0|awk -F '[ :]+' 'NR==2 {print $4}'`"
Path=/backup/$IP
[ ! -d $Path ] && mkdir $Path -p

cd $Path

#backup
tar zcPf $Path/www_$(date +%F).tar.gz /var/html/www/ &&
tar zcPf $Path/conf_$(date +%F).tar.gz /var/spool/cron/root /etc/rc.d/rc.local /etc/sysconfig/iptables /server/scripts &&
tar zcPf $Path/logs_$(date +%F).tar.gz /app/logs/ &&
find /backup/ -type f -name "*$(date +%F).tar.gz"|xargs md5sum >>/$Path/flag_$(date +%F)

#to bakup server
rsync -az /backup/ rsync_backup@10.89.7.9::backup --password-file=/etc/rsync.password

#del
find $Path -type f -name "*.tar.gz" -mtime +7|xargs rm -f

#################################################

[root@backup backup]# ll
total 4
drwxr-xr-x 2 rsync rsync 4096 Aug 29 13:43 10.89.7.10
[root@backup backup]# cd 10.89.7.10/
[root@backup 10.89.7.10]# ll
total 16
-rw-r--r-- 1 rsync rsync 934 Aug 29 13:43 conf_2018-08-29.tar.gz
-rw-r--r-- 1 rsync rsync 227 Aug 29 13:43 flag_2018-08-29
-rw-r--r-- 1 rsync rsync 115 Aug 29 13:43 logs_2018-08-29.tar.gz
-rw-r--r-- 1 rsync rsync 118 Aug 29 13:43 www_2018-08-29.tar.gz
[root@backup 10.89.7.10]# cat flag_2018-08-29
da2845ff1010e2ac01cf216929034558 /backup/10.89.7.10/www_2018-08-29.tar.gz
22610f1441a524aa056e824f3dbf624d /backup/10.89.7.10/conf_2018-08-29.tar.gz
7742644088b57b69b396d0025f835097 /backup/10.89.7.10/logs_2018-08-29.tar.gz
[root@backup 10.89.7.10]#

#通过md5sum检查，如果没有问题都是“OK”

[root@backup 10.89.7.10]# md5sum -c flag_2018-08-29
/backup/10.89.7.10/www_2018-08-29.tar.gz: OK
/backup/10.89.7.10/conf_2018-08-29.tar.gz: OK
/backup/10.89.7.10/logs_2018-08-29.tar.gz: OK

#模拟问题

[root@backup 10.89.7.10]# echo 111 >logs_2018-08-29.tar.gz
[root@backup 10.89.7.10]# md5sum -c flag_2018-08-29 |grep FAILED
md5sum: WARNING: 1 of 3 computed checksums did NOT match
/backup/10.89.7.10/logs_2018-08-29.tar.gz: FAILED

#检查脚本：

[root@backup scripts]# cat chkbak.sh

#! /bin/sh

/bin/find /backup -type f -name "flag_$(date +%F)"|xargs md5sum -c |grep FAILED >/opt/mail_body_$(date +%F).txt
mail -s "$(date +%U%T) back" 123456379@qq.com </opt/mail_body_$(date +%F).txt

 #启动邮件服务

[root@backup scripts]# yum install sendmail -y

[root@backup scripts]# /etc/init.d/sendmail start
Starting sendmail: [ OK ]
Starting sm-client: [ OK ]
[root@linux-node2 scripts]#

#执行脚本，查看邮件

[root@backup scripts]# sh chkbak.sh
md5sum: WARNING: 1 of 3 computed checksums did NOT match