CentOS 7 rsync+inotify实现实时同步

测试环境如下:

inotify-slave IP : 172.16.0.222

inotify-master IP : 172.16.0.233

对两台机的要求:

安装依赖包gcc: yum install gcc –y

关闭disabled

开放端口873

 

一、inotify slave部署

1、  安装rsync:

 $ sudo yum install rsync –y

 

2、  添加用户和模块目录,并更改用户和组

$ sudo useradd rsync –s /sbin/nologin –M

$ sudo mkdir /home/jeff/back

$ sudo chown rsync.rsync /home/jeff/back/

 

3、  修改配置文件/etc/rsyncd.conf,内容如下:

uid = rsync
gid = rsync
use chroot = no
max connections = 200
timeout = 300
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log

[backup]
        path = /home/jeff/back/
        ignore errors
        read only = no
        write only = no
        list = false
        hosts allow = 10.0.0.0/24
        hosts deny = 0.0.0.0/32
        auth users = rsync_backup
        secrets file = /etc/rsync.password

 

 Tips: ubuntu系统的文件路径一般为/usr/share/doc/rsync/examples/rsyncd.conf,可以创建软链接,结果都一样。创建方法如下:

$ sudo ln -s /usr/share/doc/rsync/examples/rsyncd.conf  /etc/rsyncd.conf

 

4、  配置虚拟用户的密码文件

$ sudo -i    
# echo ‘rsync_backup:jeff’ >>/etc/rsync.password
# exit
$ sudo chmod 600 /etc/rsync.password
$ sudo rsync --daemon
$ sudo ss -tulpn |grep rsync  

 

5、  加入开机启动

$ sudo -i
# echo ‘/usr/bin/rsync  --daemon’ >>/etc/rc.local
# exit

 

二、部署服务器(inotify-master)

1、  查看系统是否支持inotity

ll /proc/sys/fs/inotify 

# 如果显示max_queued_events、max_user_instances、max_user_watches就证明支持inotify

 

2、  安装inotify 3.14

$ wget http://github.com/downloads/rvoicilas/inotify-tools/inotify-tools-3.14.tar.gz
$ tar zxf inotify-tools-3.14.tar.gz
$ cd inotify-tools-3.14

$ sudo ./configure --prefix=/usr/local/inotify
$ sudo make && sudo make install

 

3、  创建备份目录

$ mkdir /home/jeff/back/

 

4、  创建rsync服务的密码文件

$ sudo -i
# echo “jeff” >/etc/rsync.password      //此处只写密码即可
# chmod 600 /etc/rsync.password
# exit

 

5、  编写执行脚本

 

$ sudo vim /usr/local/inotify.sh

[/usr/local/inotify.sh]


#!/bin/bash
host01=172.16.0.222                                           //inotify-slaver的IP地址
src=/home/jeff/back                          //本地监控的目录
dst=backup                                          //inotify-slave的服务模块名
user=rsync_backup                                //inotify-slave的rsync虚拟用户
rsync_passfile=/etc/rsync.password     //本地调用的rsync密码文件
inotify_home=/usr/local/inotify           //inotify安装目录

#judge
if [ ! -e "$src" ] \
|| [ ! -e "${rsync_passfile}" ] \
|| [ ! -e "${inotify_home}/bin/inotifywait" ] \
|| [ ! -e "/usr/bin/rsync" ];
then
echo "Check File and Folder"
exit 9
fi

${inotify_home}/bin/inotifywait -mrq --timefmt '%d/%m/%y %H:%M' --format '%T %w%f' -e close_write,delete,create,attrib $src \
| while read file
do
#  rsync -avzP --delete --timeout=100 --password-file=${rsync_passfile} $src $user@$host01::$dst >/dev/null 2>&1
cd $src && rsync -aruz -R --delete ./  --timeout=100 $user@$host01::$dst --password-file=${rsync_passfile} >/dev/null 2>&1
done
exit 0

 

6、将脚本加入后台执行

$ sh inotify.sh &

 

7、  加入开机启动

$ sudo -i
# echo  ‘/bin/bash  /home/jeff/inotify.sh &’ >>/etc/rc.local
# exit

 

三、测试实时同步(部署前建议先运行这一步验证,然后再执行第二步)

$ sudo rsync  -avz /home/jeff/back/test.txt rsync_backup@10.0.0.22::backup --password-file=/etc/rsync.password

 

四、改变SSH的默认端口为1234时,rsync的连接方法如下

# 此处用-e 'ssh -p 3333'来指定SSH连接端口
$ /usr/bin/rsync -av /backup/* -e 'ssh -p 3333' root@10.0.0.22:/backup/

 

 

PS:操作步骤参考自 http://jingyan.baidu.com/article/656db918ee2f13e380249c4d.html

posted @ 2017-05-02 11:18  jefflee168  阅读(1003)  评论(0编辑  收藏  举报