HAProxy安装使用

ewe22

1.下载并安装软件包
yum -y install make gcc pcre*
mkdir -p /data/app_platform/haproxy/conf/
useradd -r haproxy -s /sbin/nologin
wget http://www.haproxy.org/download/1.4/src/haproxy-1.4.26.tar.gz
tar zxvf haproxy-1.4.26.tar.gz
cd haproxy-1.4.26
make TARGET=linux26 PREFIX=/data/app_platform/haproxy/
make install PREFIX=/data/app_platform/haproxy/

2.添加配置文件
/data/app_platform/haproxy/conf/haproxy.cfg

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global     chroot      /data/app_platform/haproxy/share/     log         127.0.0.1 local3 info     daemon           user        haproxy     group       haproxy     pidfile     /var/run/haproxy.pid     nbproc      1                            stats socket  /tmp/haproxy level admin     stats maxconn 20                         node        master_loadbalance1     description xxxx     maxconn     65536     nosplice                                spread-checks 3                      defaults     option httpchk  GET /php-fpm_status     log         global                       mode http     option httpclose     option abortonclose              no option accept-invalid-http-response     option allbackups                #option http-server-close                       #option httplog                          #option log-health-checks                 #option tcp-smart-connect                 option tcpka                             option redispatch     option forwardfor except 127.0.0.1       retries 3        timeout check 60s                       timeout connect 600s                      timeout http-keep-alive 600s              timeout http-request 600s                 timeout queue 600s                       timeout server 600s                       timeout tarpit 60s     timeout client 600s                           frontend  game_pool 0.0.0.0:80     mode http     no option accept-invalid-http-request     option http-server-close     log         global     option log-separate-errors     #option forwardfor except 127.0.0.1 header X-Real-IP     option forwardfor except 127.0.0.1     #     acl path_web_inf     path_beg       -i    /WEB-INF     # block if path_web_inf      acl game_url      hdr_reg(host) -i   ^(s\d*.xxxx.com|s\d*.xxx.com|s\d*.xxx.com|s\d*.xxx.com)$   backend game_pool     mode http     balance     roundrobin     cookie  SERVERID insert indirect #    http-check disable-on-404 #    http-check send-state #    option httpchk  GET /check.php HTTP/1.1\r\nHost:\ example.com     default-server inter 2s fastinter 1s downinter 5s slowstart 60s rise 2 fall 5 weight 30     server  xxx-taiwan-game1  192.168.1.183:80 cookie xxx-taiwan-game1_80 check maxconn 2000     server  xxx-taiwan-game2  192.168.1.184:80 cookie xxx-taiwan-game2_80 check maxconn 2000 listen monitor1 0.0.0.0:10443     mode http     balance     roundrobin     stats enable     stats uri /nc-haproxy              # - default is haproxy?stats     stats realm Haproxy\ statistics    # - Enable statistics and set authentication realm     stats show-desc example gintama-taiwan-lb1 status page     stats auth ncadmin:taiwan     stats refresh 30s     stats show-legends                 # - Enable reporting additional informations on the statistics page     timeout check 10s     timeout client 45s     timeout connect 45s     timeout http-keep-alive 45s     timeout http-request 45s     timeout queue 45s     timeout server 45s     timeout tarpit 45s

3.添加启动脚本

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#!/bin/sh # # haproxy # # chkconfig:   - 85 15 # description:  HAProxy is a free, very fast and reliable solution \ #               offering high availability, load balancing, and \ #               proxying for TCP and  HTTP-based applications # processname: haproxy # config:      /data/app_platform/haproxy/conf/haproxy.cfg # pidfile:     /var/run/haproxy.pid # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 exec="/data/app_platform/haproxy/sbin/haproxy" prog=$(basename $exec) conf_file="/data/app_platform/haproxy/conf/haproxy.cfg" [ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog lockfile=/var/lock/subsys/haproxy check() {     $exec -c -V -f $conf_file } start() {     $exec -c -q -f $conf_file     if [ $? -ne 0 ]; then         echo "Errors in configuration file, check with $prog check."         return 1     fi     echo -n $"Starting $prog: "     # start it up here, usually something like "daemon $exec"     daemon $exec -D -f $conf_file -p /var/run/$prog.pid     retval=$?     echo     [ $retval -eq 0 ] && touch $lockfile     return $retval } stop() {     echo -n $"Stopping $prog: "     # stop it here, often "killproc $prog"     killproc $prog     retval=$?     echo     [ $retval -eq 0 ] && rm -f $lockfile     return $retval } restart() {     $exec -c -q -f $conf_file     if [ $? -ne 0 ]; then         echo "Errors in configuration file, check with $prog check."         return 1     fi     stop     start } reload() {     $exec -c -q -f $conf_file     if [ $? -ne 0 ]; then         echo "Errors in configuration file, check with $prog check."         return 1     fi     echo -n $"Reloading $prog: "     $exec -D -f $conf_file -p /var/run/$prog.pid -sf $(cat /var/run/$prog.pid)     retval=$?     echo     return $retval } force_reload() {     restart } fdr_status() {     status $prog } case "$1" in     start|stop|restart|reload)         $1         ;;     force-reload)         force_reload         ;;     check)         check         ;;     status)         fdr_status         ;;     condrestart|try-restart)       [ ! -f $lockfile ] || restart     ;;     *)         echo $"Usage: $0 {start|stop|status|restart|try-restart|reload|force-reload}"         exit 2 esac

4.添加日志输出
/etc/rsyslog.d/haproxy.conf

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local3.* /var/log/haproxy.log $ModLoad imudp $UDPServerAddress 127.0.0.1 $UDPServerRun 514

service rsyslog restart

5.启动HAProxy
service haproxy start

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tail -f /var/log/haproxy.log Feb  9 17:43:53 127.0.0.1 haproxy[25770]: backend game_pool has no server available! Feb  9 17:44:02 127.0.0.1 haproxy[25810]: Proxy game_pool started. Feb  9 17:44:02 127.0.0.1 haproxy[25810]: Proxy game_pool started. Feb  9 17:44:02 127.0.0.1 haproxy[25810]: Proxy monitor1 started. Feb  9 17:44:03 127.0.0.1 haproxy[25828]: Proxy game_pool started. Feb  9 17:44:03 127.0.0.1 haproxy[25828]: Proxy game_pool started. Feb  9 17:44:03 127.0.0.1 haproxy[25828]: Proxy monitor1 started. Feb  9 17:44:05 127.0.0.1 haproxy[25829]: Server game_pool/xxx-taiwan-game1 is DOWN, reason: Layer4 timeout, check duration: 2001ms. 1 active and 0 backup servers left. 0 sessions active, 0 requeued, 0 remaining in queue. Feb  9 17:44:05 127.0.0.1 haproxy[25829]: Server game_pool/xxx-taiwan-game2 is DOWN, reason: Layer4 timeout, check duration: 2001ms. 0 active and 0 backup servers left. 0 sessions active, 0 requeued, 0 remaining in queue. Feb  9 17:44:05 127.0.0.1 haproxy[25829]: backend game_pool has no server available!

6.设置HAProxy开机启动
chkconfig --level 35 haproxy on