yum -y install haproxy cat >> /etc/sysctl.conf <<EOF net.ipv4.ip_nonlocal_bind = 1 EOF
修改配置文件:
#--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 8192 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- 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 4096 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- frontend main *:80 #acl url_static path_beg -i /static /images /javascript /stylesheets #acl url_static path_end -i .jpg .gif .png .css .js acl domain_file hdr_beg(host) -i file.jyj.wuhu.gov.cn #use_backend static if url_static use_backend file if domain_file default_backend app #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend file mode http balance roundrobin server file1 211.45.90.21:80 check backend static balance roundrobin server static1 211.45.90.18:80 check server static2 211.45.90.19:80 check #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- backend app balance roundrobin server app1 211.45.90.18:80 check server app2 211.45.90.19:80 check
systemctl start haproxy.service systemctl enable haproxy.service
重新加载配置文件:
haproxy -f /etc/haproxy/haproxy.cfg -sf
通过域名匹配进行负载:
http://www.04007.cn/article/409.html
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