45_02_2_实验_1_:haproxy的简单使用

2016-01-29

Director:192.168.122.46
Realserver 192.168.122.102 httpd
Realserver 192.168.122.116 nginx

Director

安装依赖包

# yum -y install haproxy 
#cp /etc/haproxy/haproxy.conf /root/ 
#vim /etc/sysconfig/rsyslog 
改为: 
SYSLOGD_OPTIONS="-c 2 -r"

配置文件

global 
    log 127.0.0.1 local2 
    chroot /var/lib/haproxy 
    pidfile /var/run/haproxy.pid 
    maxconn 4000 
    user haproxy 
    group haproxy 
    daemon 
 
defaults 
    mode http 
    log global 
    option httplog 
    option dontlognull 
    option http-server-close 
    option forwardfor except 127.0.0.0/8 
    option redispatch 
    retries 3 
    timeout http-request 10s 
    timeout queue 1m 
    timeout connect 10s 
    timeout client 1m 
    timeout server 1m 
    timeout http-keep-alive 10s 
    timeout check 10s 
    maxconn 3000 
    stats uri /haproxy?stats # http://192.168.122.46/haproxy?stats 
    stats auth admin:admin 
 
frontend HAProxy 
    bind *:80 
    mode http 
    option httplog 
    acl cache_domain path_end .css .js .gif .png .swf .jpg .jpeg .ico 
    acl cache_dir path_reg /apping #这个地方需要注意，这个apping,是指varnish.test.com/apping/,例如varnish.test.com的根目录是/apping,那么是指/apping/apping/这个目录；； 
    
    use_backend varnish.test.com if cache_domain #例如a.jpg,他会定义到/apping/a.jpg这个地方 
    use_backend varnish.test.com if cache_dir 
    
    default_backend www.test.com #这个是默认的backend服务器 
 
backend varnish.test.com 
    server varnish 192.168.122.102:81 weight 2 check inter 2000 rise 2 fall 3 
 
backend www.test.com 
    server web1 192.168.122.102 cookie check inter 2000 rise 2 fall 5 
    server web2 192.168.122.116 cookie check inter 2000 rise 2 fall 5

 
httpd服务器： 
<VirtualHost 192.168.122.102:80> 
 Servername localhost; 
 DocumentRoot "/var/www/html" 
 ErrorLog /var/log/httpd/error_log 
 CustomLog /var/log/httpd/access_log combined 
</VirtualHost> 
<VirtualHost 192.168.122.102:81> 
 Servername varnish.test.com; 
 DocumentRoot "/apping" 
 ErrorLog /var/log/httpd/error_log 
 CustomLog /var/log/httpd/access_log combined 
</VirtualHost>

1 2	# mkdir -pv /apping/apping # echo "this is httpd server,and this is apping document.." > /apping/apping/index.html