搭建高可用wordpress(keepalived+HAProxy)
搭建高可用wordpress(keepalived+HAProxy)
配置keepalived
分別在兩臺haproxy上安裝keepalivedphp
[root@haproxy1 ~]# yum install keepalived
配置haproxy1上的keepalived
1.修改配置文件html
[root@haproxy1 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
root@mylinuxops.com
}
notification_email_from root@mylinuxops.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id s1.mylinuxops.com
vrrp_skip_check_adv_addr
vrrp_iptables
#vrrp_strict
vrrp_garp_interval 0
vrrp_gna_interval 0
}
vrrp_instance VI_1 {
state MASTER
interface ens33
virtual_router_id 27
priority 100
advert_int 2
authentication {
auth_type PASS
auth_pass 1111
}
unicast_src_ip 192.168.27.13
unicast_peer {
192.168.27.14
}
virtual_ipaddress {
192.168.27.50 dev ens33 label ens33:0
}
}
重啓服務mysql
[root@haproxy1 ~]# systemctl restart keepalived
配置haproxy2上的keepalived
1.修改配置文件linux
[root@haproxy2 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
root@mylinuxops.com
}
notification_email_from root@mylinuxops.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id s2.mylinuxops.com
vrrp_skip_check_adv_addr
vrrp_iptables
#vrrp_strict
vrrp_garp_interval 0
vrrp_gna_interval 0
}
vrrp_instance VI_1 {
state BACKUP
interface ens33
virtual_router_id 27
priority 80
advert_int 2
authentication {
auth_type PASS
auth_pass 1111
}
unicast_src_ip 192.168.27.14
unicast_peer {
192.168.27.13
}
virtual_ipaddress {
192.168.27.50 dev ens33 label ens33:0
}
}
重啓服務nginx
[root@haproxy2 ~]# systemctl restart keepalived
haproxy配置
分別在兩臺haproxy主機上編譯安裝haproxy
1.解壓源碼包c++
[root@localhost ~]# tar xf haproxy-1.8.20.tar.gz
2.編譯模塊web
[root@localhost haproxy-1.8.20]# make ARCH=x86_64 TARGET=linux2628 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 USE_CPU_AFFINITY=1 PREFIX=/usr/local/haproxy
3.複製模塊到指定目錄sql
[root@localhost haproxy-1.8.20]# make install PREFIX=/usr/local/haproxy
4.將二進制程序複製到相二進制程序目錄數據庫
[root@localhost haproxy-1.8.20]# cp haproxy /usr/sbin/
5.爲編譯安裝的HAProxy建立啓動腳本vim
[root@localhost haproxy-1.8.20]# vim /lib/systemd/system/haproxy.service [Unit] Description=HAProxyLoad Balancer After=syslog.targetnetwork.target [Service] ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q ExecStart=/usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /usr/local/haproxy/run/haproxy.pid ExecReload=/bin/kill -USR2 $MAINPID [Install] WantedBy=multi-user.target
6.建立配置文件目錄，生成配置文件
[root@localhost haproxy-1.8.20]# mkdir /etc/haproxy [root@localhost haproxy-1.8.20]# vim /etc/haproxy/haproxy.cfg global maxconn 100000 chroot /usr/local/haproxy #stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin uid 99 gid 99 daemon nbproc 4 cpu-map 1 0 cpu-map 2 1 cpu-map 3 2 cpu-map 4 3 pidfile /usr/local/haproxy/run/haproxy.pid log 127.0.0.1 local3 info defaults option http-keep-alive option forwardfor maxconn 100000 mode http timeout connect 300000ms timeout client 300000ms timeout server 300000ms listen stats mode http bind 0.0.0.0:9999 stats enable log global stats uri /haproxy-status stats auth haadmin:q1w2e3r4ys listen web_port bind 0.0.0.0:80 mode http log global server web1 127.0.0.1:8080 check inter 3000 fall 2 rise 5
7.爲pid文件建立一個目錄
[root@localhost ~]# mkdir /usr/local/haproxy/run
8.啓動服務
[root@localhost ~]# systemctl daemon-reload [root@localhost ~]# systemctl start haproxy
在兩臺haproxy上配置後端web服務器和MySQL服務器
1.開啓內核參數
[root@haproxy1 ~]# vim /etc/sysctl.conf net.ipv4.ip_forward = 1 net.ipv4.ip_nonlocal_bind = 1 [root@haproxy1 ~]# sysctl -p net.ipv4.ip_forward = 1 net.ipv4.ip_nonlocal_bind = 1
2.修改配置文件添加後端服務器
[root@haproxy1 ~]# vim /etc/haproxy/haproxy.cfg listen http bind 192.168.27.50:80 mode http server web1 192.168.27.21:80 check inter 3000 fall 3 rise 5 server web2 192.168.27.22:80 check inter 3000 fall 3 rise 5 listen mysql_3306 bind 192.168.27.50:3306 mode tcp server mysql 192.168.27.31:3306 check inter 3000 fall 3 rise 5
3.啓動服務
[root@haproxy1 ~]# systemctl restart haproxy
搭建MYSQL主從
分別在兩臺MySQL主機上安裝MySQL
1.使用一鍵安裝腳本安裝MySQL
[root@master ~]# tar xf mysql-5.6.34-onekey-install.tar.gz [root@master ~]# vim mysql-install.sh
配置MySQL-Master
1.修改配置文件
[root@master ~]# vim /etc/my.cnf [mysqld] datadir=/data/mysql log-bin=/data/bin/mysql-bin binlog-format=row server-id=1
2.建立二進制日誌目錄修改權限
[root@master ~]# mkdir /data/bin [root@master ~]# chmod -R 700 /data/bin [root@master ~]# chown -R mysql.mysql /data/bin
3.啓動MySQL
[root@master ~]# service mysqld start Starting MySQL... SUCCESS!
4.受權主從複製帳戶
[root@master ~]# mysql -e "GRANT REPLICATION SLAVE ON *.* TO 'repluser'@'192.168.27.%' IDENTIFIED BY '111111';"
5.查看二進制日誌位置
[root@master~]# mysql -e "SHOW MASTER LOGS;" +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000001 | 334 | +------------------+-----------+
配置MySQL-Slave
1.修改配置文件
[root@slave ~]# vim /etc/my.cnf [mysqld] server-id=2 read-only
2.啓動服務
[root@slave ~]# service mysqld start
3.change master to
mysql> CHANGE MASTER TO MASTER_HOST='192.168.27.31', MASTER_USER='repluser', MASTER_PASSWORD='111111', MASTER_PORT=3306, MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=1;
4.啓動複製線程
mysql> START SALVE;
測試
在主服務器上導入測試數據庫
[root@master ~]# mysql < hellodb_innodb.sql
查看從服務器是否複製數據
mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | hellodb | | mysql | | performance_schema | | test | +--------------------+ 5 rows in set (0.00 sec)
主從配置完畢
配置web服務器
分別在2臺web服務器上安裝nginx和php-fpm
安裝編譯所需的各類軟件
yum install -y gcc gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel bzip2 vim lrzsz tree screen lsof tcpdump wget ntpdate net-tools iotop bc zip unzip nfs-utils expat-devel bison bison-devel zlib-devel libcurl-devel libarchive-devel boostdevel cmake ncurses-devel gnutls-devel libxml2-devel libevent-devel libaio-devel
編譯安裝nginx
1.解壓nginx源碼包
[root@web1 ~]# tar xf nginx-1.14.2.tar.gz
2.檢查編譯環境
[root@web1 ~]# cd nginx-1.14.2 [root@web1 nginx-1.14.2]# ./configure --prefix=/apps/nginx --user=nginx --group=nginx --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_stub_status_module --with-http_gzip_static_module --with-pcre --with-stream --with-stream_ssl_module --with-stream_realip_module
3.編譯安裝
[root@web1 nginx-1.14.2]# make && make install
4.爲應用程序文件創建軟鏈接
[root@web1 nginx-1.14.2]# ln -s /apps/nginx/sbin/nginx /sbin/nginx
5.配置服務啓動腳本
[root@web1 nginx-1.14.2]# vim /lib/systemd/system/nginx.service [Service] Type=forking PIDFile=/apps/nginx/logs/nginx.pid ExecStart=/apps/nginx/sbin/nginx -c /apps/nginx/conf/nginx.conf ExecReload=/bin/kill -s HUP $MAINPID ExecStop=/bin/kill -s TERM $MAINPID [Install] WantedBy=multi-user.target
6.建立啓動用戶
[root@web1 nginx-1.14.2]# useradd -u2000 www
7.修改配置文件
[root@web1 nginx-1.14.2]# vim /apps/nginx/conf/nginx.conf user www; #服務啓動時以www用戶爲工做進程 pid /apps/nginx/logs/nginx.pid;
8.啓動服務
[root@web1 nginx-1.14.2]# nginx
編譯安裝php-fpm
1.解壓縮源碼包
[root@web1 ~]# tar xf php-7.1.30.tar.gz
2.檢查編譯環境
[root@web1 ~]# cd php-7.1.30 [root@web1 php-7.1.30]# ./configure --prefix=/apps/php --enable-mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-openssl --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d --enable-mbstring --enable-xml --enable-sockets --enable-fpm --enable-maintainer-zts --disable-fileinfo
3.編譯模塊並複製模塊到指定目錄
[root@web1 php-7.1.30]# make && make install
4.複製環境配置文件，修改時區
[root@web1 php-7.1.30]# cp php.ini-production /etc/php.ini [root@web1 php-7.1.30]# sed -i '/;date.tim/s@.*@data.timezone = "Asia/Shanghai"@' /etc/php.ini
5.配置服務啓動腳本
[root@web1 php-7.1.30]# cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm [root@web1 php-7.1.30]# chmod +x /etc/init.d/php-fpm [root@web1 php-7.1.30]# chkconfig --add php-fpm
6.複製模板配置文件
[root@web1 php-7.1.30]# cp /apps/php/etc/php-fpm.conf.default /apps/php/etc/php-fpm.conf [root@web1 php-7.1.30]# cp /apps/php/etc/php-fpm.d/www.conf.default /apps/php/etc/php-fpm.d/www.conf
配置nginx+php
1.修改nginx主配置文件導入其餘配置文件
[root@web1 ~]# vim /apps/nginx/conf/nginx.conf include /apps/nginx/conf/server/*.conf;
2.建立新的server段配置文件
[root@web1 ~]# mkdir /apps/nginx/conf/server
[root@web1 ~]# vim /apps/nginx/conf/server/mylinuxops.conf
server {
server_name www.mylinuxops.com;
listen 80;
location / {
root /data/www;
index index.php index.html;
}
location ~ \.php$ {
root /data/www;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
3.修改php-fpm配置文件
[root@web1 ~]# vim /apps/php/etc/php-fpm.d/www.conf user = www group = www listen = 127.0.0.1:9000
4.重啓服務
[root@web1 ~]# nginx -s reload [root@web1 ~]# service php-fpm start Starting php-fpm done
測試
建立測試頁面
[root@web1 ~]# mkdir /data/www [root@web1 ~]# vim /data/www/index.php <?php phpinfo(); ?>
建立存放圖片的nfs服務器
建立出須要共享的目錄，並對其進行配置
[root@image ~]# mkdir /data/upload [root@image ~]# vim /etc/exports /data/upload *(rw,no_root_squash)
設置爲開機啓動
[root@image ~]# systemctl enable nfs Created symlink from /etc/systemd/system/multi-user.target.wants/nfs-server.service to /usr/lib/systemd/system/nfs-server.service.
安裝wordpress
1.在MySQL-Master上受權一個用於數據庫操做的帳戶，建立一個wordpress的數據庫
[root@master ~]# mysql -e "GRANT ALL PRIVILEGES ON wordpress.* TO 'wpuser'@'192.168.27.%' IDENTIFIED BY'111111';" [root@master ~]# mysql -e "CREATE DATABASE wordpress;" [root@master ~]# mysql -e "show databases;" +--------------------+ | Database | +--------------------+ | information_schema | | hellodb | | mysql | | performance_schema | | test | | wordpress | +--------------------+
2.分別在後端兩個web服務器上解壓wordpress
[root@web1 ~]# tar xf wordpress-5.0.1-zh_CN.tar.gz
3.將解壓後的數據複製到站點目錄
[root@web1 ~]# cp -a wordpress/* /data/www/
4.複製work
[root@web1 ~]# cp /data/www/{wp-config-sample.php,wp-config.php}
[root@web1 ~]# vim /data/www/wp-config.php
// ** MySQL 設置 - 具體信息來自您正在使用的主機 ** //
/** WordPress數據庫的名稱 */
define('DB_NAME', 'wordpress');
/** MySQL數據庫用戶名 */
define('DB_USER', 'wpuser');
/** MySQL數據庫密碼 */
define('DB_PASSWORD', '111111');
/** MySQL主機 */
define('DB_HOST', '192.168.27.50');
/** 建立數據表時默認的文字編碼 */
define('DB_CHARSET', 'utf8');
/** 數據庫整理類型。如不肯定請勿更改 */
define('DB_COLLATE', '');
/**#@+
* 身份認證密鑰與鹽。
*
* 修改成任意獨一無二的字串！
* 或者直接訪問{@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org密鑰生成服務}
* 任何修改都會致使全部cookies失效，全部用戶將必須從新登陸。
*
* @since 2.6.0
*/
define('AUTH_KEY', 'Q8B&gE6k?}}bh|:23l/8Pq;#q$?4HT^-riv^Tnk5UcwDIf#g`I3+RJ~^+O7>nUk6');
define('SECURE_AUTH_KEY', '?{2tjkt_KN(+:d|tWA}Th5fi!-y$xVO^sk#>F~{?B$X|#9)6S(~h`0KY?6CY|0jL');
define('LOGGED_IN_KEY', 'v:_a0a:2Eh^fj9-`&P+.i*V0#-M#jGjw<1*p/9Tea7y=q}R=Hy,Q,9qBX5Kx!ybV');
define('NONCE_KEY', '^5g3j_7:H,_=m/T/ mB`JQxUgXFFjEkhJ)OV qy&|W}aoxQ11t_j;D;yl(w;MV46');
define('AUTH_SALT', '8ZW}E[tXfRDd}$h02-hAgG]zZg4/NX}kM(K_M_Y|[fUz/C!.9|:lfcexu91kIe5q');
define('SECURE_AUTH_SALT', ']r+bt+7&_KkBE~!V+;}8fw|a8,B+-H.ELKN.}!qhFL,LZ+Vj=p0@y5gi5Fo^F');
define('LOGGED_IN_SALT', 'jGwl&sWdAh.dNiGSy`qV.-6,DzaFYE;xG;Js*ZgM(E|7a57y(_?]^-u7>;)R<UjH');
define('NONCE_SALT', '*Zl:=N-W!+B8kbaoY`-q)Mq8r7xK|I1^IT0;.ZMiB-Fh$?OtmD/+[![`I@)p~~Lw');
/**#@-*/
將此文件複製到web2服務器上
[root@web1 ~]# scp /data/www/wp-config.php 192.168.27.22:/data/www
分別在web服務器上掛載nfs，將圖片存儲到nfs上
[root@web1 ~]# mkdir /data/www/wp-content/uploads [root@web1 ~]# mount 192.168.27.23:/data/upload /data/www/wp-content/uploads
測試登陸
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