haproxy高可用web和mysql配置实例
# cat /etc/haproxy/haproxy.cfg#---------------------------------------------------------------------
# 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 4000
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 #日志格式是httpd格式
option dontlognull#httpd请求完毕，自动关闭连接通道
option http-server-close #不记录健康监测日志
option forwardfor except 127.0.0.0/8 #后端web记录访问的真实ip地址，需要在后端配置文件上记录LogFormat上添加“%{X-Forwarded-For}i”
option redispatch #后端server单挂机，自动切换位健康主机
retries 3 #健康监测检查3次
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
errorfile 403 /data/sh/hanye.html
errorfile 503 /data/sh/hanye1.html
#---------------------------------------------------------------------
# main frontend which proxys to the backends
#---------------------------------------------------------------------
frontend main
log global
bind :80
bind :8089
maxconn 4000
acl nginx path_beg -i /www/static /images /styles /vides
acl nginx path_end -i.jsp .css .js .php .png .jpg
acl login path_beg /login
redirect location http://192.168.0.171/login/index.php if login
acl httpd dst_port 8089
redirect prefix http://www.ny.cnif httpd
acl host hdr(host) -i www.hanye.com hanye.com
use_backend staticif nginx
use_backend webserver ifhost
default_backend webserver
#---------------------------------------------------------------------
backend webserver
balanceroundrobin
cookie webserver insert nocache
server s2 192.168.0.170:8080check port 8080 maxconn 1500 inter 2000 rise 3 fall 3maxconn 1500 weight 2
#server s1 192.168.0.171:8080check port 8080 maxconn 1500 inter 2000 rise 3 fall 3maxconn 1500 weight 2
backend static
cookie png insert nocache
server a1 192.168.0.171:8080check port 8080 inter 2000 rise 3 fall 3maxconn 1500
listen status
bind :19999
stats enable
stats hide-version
stats scope .
stats uri /haroxy?admin
stats auth admin:admin
stats admin if TRUE
# cat /etc/haproxy/haproxy.cfg.mysql
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 tcp
log global
option tcplog
option dontlognull
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 600
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 mysql
bind *:1000
mode tcp
log global
default_backend mysqlservers
backend mysqlservers
balance leastconn
server dbsrv1 192.168.0.170:3306 check port 3306 inter 2000 rise 1 fall 2 maxconn 300 weight 2
server dbsrv2 192.168.0.171:3306 check port 3306 inter 2000 rise 1 fall 2 maxconn 300 weight 1
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