基于rsync daemon 实现 sersync
#在数据服务器上下载sersync,并拷贝至相应的目录,设置PATH变量
[root@data-centos8 ~]#wget https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/sersync/sersync2.5.4_64bit_binary_stable_final.tar.gz
[root@data-centos8 ~]#tar xf sersync2.5.4_64bit_binary_stable_final.tar.gz
[root@data-centos8 ~]#cp -a GNU-Linux-x86 /usr/local/sersync
[root@data-centos8 ~]#echo 'PATH=/usr/local/sersync:$PATH' > /etc/profile.d/sersync.sh
[root@data-centos8 ~]#source /etc/profile.d/sersync.sh
#sersync目录只有两个文件:一个是二进制程序文件,一个是xml格式的配置文件
[root@data-centos8 ~]#ls /usr/local/sersync/
confxml.xml sersync2
#确认安装rsync客户端工具
[root@data-centos8 ~]#rpm -q rsync &> /dev/null || dnf -y install rsync
#备份sersync配置文件
[root@data-centos8 ~]#cp /usr/local/sersync/confxml.xml{,.bak}
#修改sersync配置文件
[root@data-centos8 ~]#vim /usr/local/sersync/confxml.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<head version="2.5">
<host hostip="localhost" port="8008"></host>
<debug start="false"/> # 是否开启调试模式
<fileSystem xfs="false"/>
<filter start="false"> #不开启文件过滤功能,当为true时,以下类型的文件将不同步
<exclude expression="(.*)\.svn"></exclude>
<exclude expression="(.*)\.gz"></exclude>
<exclude expression="^info/*"></exclude>
<exclude expression="^static/*"></exclude>
</filter>
<inotify> # 监控事件,默认监控delete/close_write/moved_from/moved_to/create folder
<delete start="true"/>
<createFolder start="true"/>
<createFile start="false"/>
<closeWrite start="true"/>
<moveFrom start="true"/>
<moveTo start="true"/>
<attrib start="true"/> #修改此行为true,文件属性变化后也会同步
<modify start="false"/>
</inotify>
<sersync> # rsync命令的配置段
<localpath watch="/data/www"> # 需要同步的源目录或文件,建议同步目录
<remote ip="备份服务器IP" name="backup"/> # 指定备份服务器地址和rsync daemon的模块名,如果下面开启了ssh start,此时name为远程shell方式运行时的目标目录
<!--<remote ip="192.168.8.39" name="tongbu"/>-->
<!--<remote ip="192.168.8.40" name="tongbu"/>-->
</localpath>
<rsync>
<commonParams params="-artuz"/> # 指定rsync选项
<auth start="true" users="rsyncuser" passwordfile="/etc/rsync.pas"/> #修改为true,定备份服务器的rsync配置的用户和密码文件
<userDefinedPort start="false" port="874"/><!-- port=874 -->#指定rsync的非标准端口号
<timeout start="false" time="100"/><!-- timeout=100 -->
<ssh start="false"/> #默认使用rsync daemon运行rsync命令,true为使用远程shell模式
</rsync>
<failLog path="/tmp/rsync_fail_log.sh" timeToExecute="60"/><!--default every 60mins execute once--> #错误重传及日志文件路径
<crontab start="false" schedule="600"><!--600mins--> #不开启crontab功能
<crontabfilter start="false"> #不开启crontab定时传输的筛选功能
<exclude expression="*.php"></exclude>
<exclude expression="info/*"></exclude>
</crontabfilter>
</crontab>
<plugin start="false" name="command"/>
</sersync>
#####################################以下行不需要修改####################################
<plugin name="command">
<param prefix="/bin/sh" suffix="" ignoreError="true"/> <!--prefix /opt/tongbu/mmm.sh suffix-->
<filter start="false">
<include expression="(.*)\.php"/>
<include expression="(.*)\.sh"/>
</filter>
</plugin>
<plugin name="socket">
<localpath watch="/opt/tongbu">
<deshost ip="192.168.138.20" port="8009"/>
</localpath>
</plugin>
<plugin name="refreshCDN">
<localpath watch="/data0/htdocs/cms.xoyo.com/site/">
<cdninfo domainname="ccms.chinacache.com" port="80" username="xxxx" passwd="xxxx"/>
<sendurl base="http://pic.xoyo.com/cms"/>
<regexurl regex="false" match="cms.xoyo.com/site([/a-zA-Z0-9]*).xoyo.com/images"/>
</localpath>
</plugin>
</head>
#创建连接rsynd服务器的用户密码文件,并必须修改权限
[root@data-centos8 ~]#echo magedu > /etc/rsync.pas
[root@data-centos8 ~]#chmod 600 /etc/rsync.pas
#查看帮助
[root@data-centos8 ~]#sersync2 -h
set the system param
execute:echo 50000000 > /proc/sys/fs/inotify/max_user_watches
execute:echo 327679 > /proc/sys/fs/inotify/max_queued_events
parse the command param
_______________________________________________________
参数-d:启用守护进程模式
参数-r:在监控前,将监控目录与远程主机用rsync命令推送一遍
c参数-n: 指定开启守护线程的数量,默认为10个
参数-o:指定配置文件,默认使用当前工作目录下的confxml.xml文件
参数-m:单独启用其他模块,使用 -m refreshCDN 开启刷新CDN模块
参数-m:单独启用其他模块,使用 -m socket 开启socket模块
参数-m:单独启用其他模块,使用 -m http 开启http模块
不加-m参数,则默认执行同步程序
#以后台方式执行同步
[root@data-centos8 ~]#sersync2 -dro /usr/local/sersync/confxml.xml
set the system param
execute:echo 50000000 > /proc/sys/fs/inotify/max_user_watches
execute:echo 327679 > /proc/sys/fs/inotify/max_queued_events
parse the command param
option: -d run as a daemon
option: -r rsync all the local files to the remote servers before the sersync work
option: -o config xml name: /usr/local/sersync/confxml.xml
daemon thread num: 10
parse xml config file
host ip : localhost host port: 8008
daemon start,sersync run behind the console
use rsync password-file :
user is rsyncuser
passwordfile is /etc/rsync.pas
config xml parse success
please set /etc/rsyncd.conf max connections=0 Manually
sersync working thread 12 = 1(primary thread) + 1(fail retry thread) + 10(daemon sub threads)
Max threads numbers is: 22 = 12(Thread pool nums) + 10(Sub threads)
please according your cpu ,use -n param to adjust the cpu rate
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rsync the directory recursivly to the remote servers once
working please wait...
#如果同步失败,可以手动执行下面命令,观察过程
[root@data-centos8 ~]# cd /data/www && rsync -artuz -R --delete ./ rsyncuser@backup-server::backup --password-file=/etc/rsync.pas >/dev/null 2>&1
run the sersync:
watch path is: /data/www
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#sersync支持多实例,也即监控多个目录时,只需分别配置不同配置文件,然后使用sersync2指定对应配置文件运行
[root@data-centos8 ~]#sersync2 -rd -o /etc/sersync.d/nginx.xml
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