haproxy小结(三)配置示例

haproxy小结(二)配置文件篇 中对 haproxy.conf中所涉及的主要参数做一个解析。本篇列举一些现网中使用的真实示例。

一、http服务器配置示例

#---------------------------------------------------------------------
# Global settings
# code by www.361way.com
#---------------------------------------------------------------------
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     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                 30000
listen stats
    mode http
    bind 0.0.0.0:1080        
    stats enable
    stats hide-version
    stats uri     /haproxyadmin?stats
    stats realm   Haproxy\ Statistics
    stats auth    admin:admin
    stats admin if TRUE
frontend http-in
    bind *:80
    mode http
    log global
    option httpclose
    option logasap
    option dontlognull
    capture request  header Host len 20
    capture request  header Referer len 60
    default_backend servers
frontend healthcheck
    bind :1099
    mode http
    option httpclose
    option forwardfor
    default_backend servers
backend servers
  balance roundrobin
    server websrv1 192.168.10.11:80 check maxconn 2000
    server websrv2 192.168.10.12:80 check maxconn 2000

二、MySQL服务器配置示例

global 、defaults、listen部分同上面http配置部分相同,forntend与backend部分配置如下:

# code from www.361way.com
frontend mysql
    bind *:3306
    mode tcp
    log global
    default_backend mysqlservers
backend mysqlservers
    balance leastconn
    server dbsrv1 192.168.10.11:3306 check port 3306 intval 2 rise 1 fall 2 maxconn 300
    server dbsrv2 192.168.10.12:3306 check port 3306 intval 2 rise 1 fall 2 maxconn 300

三、动静分离配置示例

# code from www.361way.com
global
    log 127.0.0.1 local2
    chroot      /var/lib/haproxy
    pidfile     /var/run/haproxy.pid
    maxconn     4000
    user        haproxy
    group       haproxy
    daemon
# turn on stats unix socket
    stats socket /var/lib/haproxy/stats
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 30000
listen stats
    mode http
    bind 0.0.0.0:1080
    stats enable
    stats hide-version
    stats uri /haproxyadmin?stats
    stats realm Haproxy\ Statistics
    stats auth admin:admin
    stats admin if TRUE
frontend http-in
    bind *:80
    mode http
    log global
    option httpclose
    option logasap
    option dontlognull
    capture request header Host len 20
    capture request header Referer len 60
    acl url_static path_beg -i /static /images /javascript /stylesheets
    acl url_static path_end -i .jpg .jpeg .gif .png .css .js
    use_backend static_servers          if url_static
    default_backend dynamic_servers
backend static_servers
    balance roundrobin
    server imgsrv1 172.16.200.7:80 check maxconn 6000
    server imgsrv2 172.16.200.8:80 check maxconn 6000
backend dynamic_servers
    cookie srv insert nocache
    balance roundrobin
    server websrv1 172.16.200.7:80 check maxconn 1000 cookie websrv1
    server websrv2 172.16.200.8:80 check maxconn 1000 cookie websrv2
    server websrv3 172.16.200.9:80 check maxconn 1000 cookie websrv3




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