haproxy的安装和基本设置

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　　haproxy的安装和基本设置
　　首页
http://haproxy.1wt.eu/
　　中文资料
http://cn.haproxy.org/download/1.3/doc/configuration-cn.txt
　　参考WIKI
http://blog.iyunv.com/cenwenchu79/archive/2009/08/04/4409343.aspx
　　一、haproxy的安装
下载得到文件
解开压缩
执行
　　mkdir –p /usr/local/haproxy/logs/  
　　  
make TARGET=linux26PREFIX=/usr/local/haproxy  
　　. make install PREFIX=/usr/local/haproxy
　　

　　[iyunv@Template-Redhat54 haproxy-1.4.20]# install -d /usr/local/sbin
[iyunv@Template-Redhat54 haproxy-1.4.20]# install haproxy /usr/local/sbin
[iyunv@Template-Redhat54 haproxy-1.4.20]# install -d /usr/local/share/man/man1
[iyunv@Template-Redhat54 haproxy-1.4.20]# install -m 644 doc/haproxy.1 /usr/local/share/man/man1
[iyunv@Template-Redhat54 haproxy-1.4.20]# install -d /usr/local/doc/haproxy
[iyunv@Template-Redhat54 haproxy-1.4.20]# for x in configuration architecture haproxy-en haproxy-fr; do \
>                 install -m 644 doc/$x.txt /usr/local/doc/haproxy ; \
>         done
[iyunv@Template-Redhat54 haproxy-1.4.20]#
　　
　　检查安装结果：
　　

　　[iyunv@Template-Redhat54 haproxy-1.4.20]# haproxy
HA-Proxy version 1.4.20 2012/03/10
Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
　　Usage : haproxy [-f <cfgfile>]* [ -vdVD ] [ -n <maxconn> ] [ -N <maxpconn> ]
        [ -p <pidfile> ] [ -m <max megs> ]
        -v displays version ; -vv shows known build options.
        -d enters debug mode ; -db only disables background mode.
        -V enters verbose mode (disables quiet mode)
        -D goes daemon
        -q quiet mode : don't display messages
        -c check mode : only check config files and exit
        -n sets the maximum total # of connections (2000)
        -m limits the usable amount of memory (in MB)
        -N sets the default, per-proxy maximum # of connections (2000)
        -p writes pids of all children to this file
        -de disables epoll() usage even when available
        -ds disables speculative epoll() usage even when available
        -dp disables poll() usage even when available
        -sf/-st [pid ]* finishes/terminates old pids. Must be last arguments.
　　
　　证明安装已经成功
　　二、haproxy
vi haproxy.cfg
文件内容如下：
　　global
        log 127.0.0.1   local0
        maxconn 4096
        chroot /usr/local/haproxy
        uid 99
        gid 99
        daemon
        nbproc 1
        pidfile /usr/local/haproxy/logs/haproxy.pid
        debug
        #quiet
　　defaults
        log     127.0.0.1       local3
        mode    http
        option httplog
        option httpclose
        option dontlognull
        option forwardfor
        option redispatch
        retries 2
        maxconn 2000
        balance roundrobin
        stats   uri     /haproxy-stats
        contimeout      5000
        clitimeout      50000
        srvtimeout      50000
　　listen web_proxy 0.0.0.0:80
        option httpchk GET /demo/ping.jsp
　　server s1 127.0.0.1:8080 weight 3 check
        server s2 127.0.0.1:8081 weight 3 check
　　启动命令
haproxy -f haproxy.cfg
报错：
[iyunv@localhost haproxy]# haproxy -f haproxy.cfg
[ALERT] 236/112258 (5538) : [haproxy.main()] Cannot create pidfile /usr/local/haproxy/logs/haproxy.pid
mkdir /usr/local/haproxy/logs 就可以了
　　访问:
http://192.168.95.129:80/haproxy-stats
　　调试启动命令：
haproxy -f haproxy.cfg -d