seRsync + Rsync 实时同步

1，结构图

在这里插入图片描述

2，节点A

2.1 安装rsync

yum install -y rsync

2.2 安装seRsync

下载这个压缩包sersync2.5.4_64bit_binary_stable_final.tar.gz
解压后，将sersync2复制到系统可执行程序路径：/usr/local/bin/；创建sersync配置目录，并在里面创建配置文件tomcat.xml 和www.xml并写入数据

tar -xvzf sersync2.5.4_64bit_binary_stable_final.tar.gz
cp ./GNU-Linux-x86/sersync2 /usr/local/bin/
mkdir /etc/sersync
vim /etc/sersync/tomcat.xml
vim /etc/sersync/www.xml

tomcat.xml具体内容

<?xml version="1.0" encoding="ISO-8859-1"?>
<head version="2.5">
    <host hostip="localhost" port="8008"></host>
    <debug start="true"/>
    <fileSystem xfs="false"/>
    <filter start="true">
    <exclude expression="^logs/*"></exclude>
    <exclude expression="^webapps/pcPublish/*"></exclude>
    </filter>
    <inotify>
    <delete start="true"/>
    <createFolder start="true"/>
    <createFile start="true"/>
    <closeWrite start="true"/>
    <moveFrom start="true"/>
    <moveTo start="true"/>
    <attrib start="false"/>
    <modify start="false"/>
    </inotify>


    <sersync>
    <localpath watch="/vdb/eastmoney/apache-tomcat-8.5.27/">
        <remote ip="10.195.24.97" name="tomcat"/>
        <!--<remote ip="192.168.8.39" name="tongbu"/>-->
        <!--<remote ip="192.168.8.40" name="tongbu"/>-->
    </localpath>
    <rsync>
        <commonParams params="-artuz"/>
        <auth start="true" users="rsync" passwordfile="/etc/rsync.pass"/>
        <userDefinedPort start="false" port="873"/><!-- port=874 -->
        <timeout start="false" time="100"/><!-- timeout=100 -->
        <ssh start="false"/>
    </rsync>
    <failLog path="/tmp/rsync_fail_log.sh" timeToExecute="60"/><!--default every 60mins execute once-->
    <crontab start="false" schedule="720"><!--600mins-->
        <crontabfilter start="true">
            <exclude expression="^logs/*"></exclude>
            <exclude expression="^webapps/pcPublish/*"></exclude>
        </crontabfilter>
    </crontab>
    <plugin start="false" name="command"/>
    </sersync>
</head>

-www.xml具体内容

<?xml version="1.0" encoding="ISO-8859-1"?>
<head version="2.5">
    <host hostip="localhost" port="8008"></host>
    <debug start="true"/>
    <fileSystem xfs="false"/>
    <filter start="true">
    <exclude expression="^load-control.html*"></exclude>
    </filter>
    <inotify>
    <delete start="true"/>
    <createFolder start="true"/>
    <createFile start="true"/>
    <closeWrite start="true"/>
    <moveFrom start="true"/>
    <moveTo start="true"/>
    <attrib start="false"/>
    <modify start="false"/>
    </inotify>


    <sersync>
    <localpath watch="/vdb/eastmoney/data0/htdocs/www/">
        <remote ip="10.195.24.97" name="www"/>
        <!--<remote ip="192.168.8.39" name="tongbu"/>-->
        <!--<remote ip="192.168.8.40" name="tongbu"/>-->
    </localpath>
    <rsync>
        <commonParams params="-artuz"/>
        <auth start="true" users="rsync" passwordfile="/etc/rsync.pass"/>
        <userDefinedPort start="false" port="873"/><!-- port=874 -->
        <timeout start="false" time="100"/><!-- timeout=100 -->
        <ssh start="false"/>
    </rsync>
    <failLog path="/tmp/rsync_fail_log.sh" timeToExecute="60"/><!--default every 60mins execute once-->
    <crontab start="false" schedule="720"><!--600mins-->
        <crontabfilter start="true">
            <exclude expression="^load-control.html*"></exclude>
        </crontabfilter>
    </crontab>
    <plugin start="false" name="command"/>
    </sersync>
</head>

2.3，创建seRsync的守护进程用systemd管理并启动

创建sersyncd4tomcat.service 和 sersyncd4www.service到systemd配置文件路径：/usr/lib/systemd/system/

sersyncd4tomcat.service 具体内容

[Unit]
Description=Client for rsync
After=network.target
[Service]
Type=forking
ExecStart=/usr/local/bin/sersync2 -rdo /etc/sersync/tomcat.xml
ExecReload=pidof sersync2|xargs kill -1
ExecStop=pidof sersync2|xargs kill -3
[Install]
WantedBy=multi-user.target

sersyncd4www.service具体内容

[Unit]
Description=Client for rsync
After=network.target
[Service]
Type=forking
ExecStart=/usr/local/bin/sersync2 -rdo /etc/sersync/www.xml
ExecReload=pidof sersync2|xargs kill -1
ExecStop=pidof sersync2|xargs kill -3
[Install]
WantedBy=multi-user.target

2.4，上传rsync.pass密码文件到配置文件目录：/etc/

rsync.pass密码文件具体内容是

r_SynC-2021#@2021-RsyN_c

密码文件中，“r_SynC-2021#@2021-RsyN_c”与同步逻辑下游节点B的rsync配置文件相对应。
为节点B的rsyncd.conf中“auth users”字段配置的同步用rsync用户密码，节点B的密码保存在节点B的rsync.pass密码文件中。（非操作系统用户）
rsync.pass权限应为600

chmod 600 /etc/rsync.pass

2.5 ，重新加载systemd，启动sersyncd守护进程并配置开机自启

systemctl daemon-reload
systemctl enable sersyncd4tomcat
systemctl enable sersyncd4www
systemctl start sersyncd4tomcat
systemctl start sersyncd4www

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