實(shí)驗(yàn)環(huán)境

前端nginx：ip 192.168.6.242，對(duì)后端的wordpress網(wǎng)站做反向代理實(shí)現(xiàn)復(fù)雜均衡
后端nginx：ip 192.168.6.36，192.168.6.205都部署wordpress，并使用相同的數(shù)據(jù)庫

1、在后端的兩個(gè)wordpress上配置rsync+inotify，兩服務(wù)器都開啟rsync服務(wù)，并且通過inotify分別向?qū)Ψ酵綌?shù)據(jù)
下面配置192.168.6.205這臺(tái)服務(wù)器
vim /etc/rsyncd.conf
uid = nginx
gid = nginx
port = 873
host all = 192.168.6.36     #另外一臺(tái)wordpress使用192.168.6.205
use chroot = on
max connections = 4
timeout = yes
[wordpress]
path = /usr/local/nginx/html/wordpress
comment = rsync files
ignore errors
read only = no
list = yes
auth users = rsync
secrets file = /etc/rsync_server.passwd     #指定帳號(hào)密碼，用于提供另外一個(gè)節(jié)點(diǎn)訪問自身的帳號(hào)

vim /etc/rsync_server.passwd
rsync:rsync

vim /etc/rsync_client.passwd
rsync                                                     #用于訪問另外一個(gè)wordpress使用的密碼文件

配置inotify同步腳本
#!/bin/bash
host=192.168.6.36                  #另外一個(gè)wordpress
src=/usr/local/nginx/html/wordpress/
dst=wordpress
user=rsync
inotifywait=/usr/local/inotify/bin/inotifywait
rsync=/usr/bin/rsync
$inotifywait -mrq –timefmt '%d/%m/%y %H:%M' –format '%T %w%f' -e modify,delete,create,attrib $src | while read files
do
       $rsync -vzrtopg –delete –progress –password-file=/etc/rsync_client.passwd $src $user@$host::$dst
        echo "${files} was rsynced" >>/tmp/rsync.log 2>&1
done

2、配置前端nginx實(shí)現(xiàn)反向代理
vim /usr/local/nginx/conf/nginx.conf
#在http段中加入
include vhost/wordpress.conf;

mkdir /usr/local/nginx/confi/vhost
vim /usr/local/nginx/confi/vhost/wordpress.conf
upstream wordpress {
   server 192.168.6.205 weight=1;
   server 192.168.6.36 weight=1;
}

server {
   location / {
       proxy_pass http://wordpress;
       proxy_redirect      off;
       proxy_set_header    Host        $host;
       proxy_set_header    X-Real-IP   $remote_addr;
   }
}

3、修改wordpress中的設(shè)置，必須將這個(gè)了的站點(diǎn)地址改為前端nginx的ip地址或者域名

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