我是靠谱客的博主 沉静西装,这篇文章主要介绍普通用户安装配置haproxy,现在分享给大家,希望可以做个参考。

普通用户安装配置haproxy

      • 介绍
      • 安装
      • 编译安装
        • 参数说明
      • 修改配置文件
      • 启动 haproxy
      • 报错了[/data/haproxy/sbin/haproxy.main()] Cannot raise FD limit to 8032, limit is 1024.
      • 再次启动Haproxy
      • 检查haproxy状态,能访问了
      • 外面访问,要开防火墙端口

介绍


HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理,支持虚拟主机,它是免费、快速并且可靠的一种解决方案。
HAProxy特别适用于那些负载特大的web站点,这些站点通常又需要会话保持或七层处理。
HAProxy运行在当前的硬件上,完全可以支持数以万计的并发连接。并且它的运行模式使得它可以很简单安全的整合进您当前的架构中, 同时可以保护你的web服务器不被暴露到网络上。

安装


下载包
下载地址:http://download.openpkg.org/components/cache/haproxy/haproxy-2.5.0.tar.gz

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[code404@NEWCWS-AS06 data]$ tar -xvf haproxy-2.5.0.tar.gz [code404@NEWCWS-AS06 haproxy-2.5.0]$ cd haproxy-2.5.0 [code404@NEWCWS-AS06 haproxy-2.5.0]$ uname -r 3.10.0-1062.el7.x86_64

系统版本 3.10.0-1062.el7.x86_64

编译安装


参数说明


  • TARGET=linux26 #内核版本,使用uname -r查看内核,如:2.6.18-371.el5,此时该参数就为linux26;kernel 大于2.6.28的用: TARGET=linux2628
  • ARCH=x86_64 #系统位数
  • PREFIX=/data/haprpxy #/usr/local/haprpxy为haprpxy安装路径
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[code404@NEWCWS-AS06 haproxy-2.5.0]$ make TARGET=3100 ARCH=x86_64 PREFIX=/data/haproxy [code404@NEWCWS-AS06 haproxy-2.5.0]$ make install TARGET=3100 ARCH=x86_64 PREFIX=/data/haproxy install: creating directory ‘/data/haproxy’ install: creating directory ‘/data/haproxy/sbin’ ‘haproxy’ -> ‘/data/haproxy/sbin/haproxy’ install: creating directory ‘/data/haproxy/share’ install: creating directory ‘/data/haproxy/share/man’ install: creating directory ‘/data/haproxy/share/man/man1’ ‘doc/haproxy.1’ -> ‘/data/haproxy/share/man/man1/haproxy.1’ install: creating directory ‘/data/haproxy/doc’ install: creating directory ‘/data/haproxy/doc/haproxy’ ‘doc/configuration.txt’ -> ‘/data/haproxy/doc/haproxy/configuration.txt’ ‘doc/management.txt’ -> ‘/data/haproxy/doc/haproxy/management.txt’ ‘doc/seamless_reload.txt’ -> ‘/data/haproxy/doc/haproxy/seamless_reload.txt’ ‘doc/architecture.txt’ -> ‘/data/haproxy/doc/haproxy/architecture.txt’ ‘doc/peers-v2.0.txt’ -> ‘/data/haproxy/doc/haproxy/peers-v2.0.txt’ ‘doc/regression-testing.txt’ -> ‘/data/haproxy/doc/haproxy/regression-testing.txt’ ‘doc/cookie-options.txt’ -> ‘/data/haproxy/doc/haproxy/cookie-options.txt’ ‘doc/lua.txt’ -> ‘/data/haproxy/doc/haproxy/lua.txt’ ‘doc/WURFL-device-detection.txt’ -> ‘/data/haproxy/doc/haproxy/WURFL-device-detection.txt’ ‘doc/proxy-protocol.txt’ -> ‘/data/haproxy/doc/haproxy/proxy-protocol.txt’ ‘doc/linux-syn-cookies.txt’ -> ‘/data/haproxy/doc/haproxy/linux-syn-cookies.txt’ ‘doc/SOCKS4.protocol.txt’ -> ‘/data/haproxy/doc/haproxy/SOCKS4.protocol.txt’ ‘doc/network-namespaces.txt’ -> ‘/data/haproxy/doc/haproxy/network-namespaces.txt’ ‘doc/DeviceAtlas-device-detection.txt’ -> ‘/data/haproxy/doc/haproxy/DeviceAtlas-device-detection.txt’ ‘doc/51Degrees-device-detection.txt’ -> ‘/data/haproxy/doc/haproxy/51Degrees-device-detection.txt’ ‘doc/netscaler-client-ip-insertion-protocol.txt’ -> ‘/data/haproxy/doc/haproxy/netscaler-client-ip-insertion-protocol.txt’ ‘doc/peers.txt’ -> ‘/data/haproxy/doc/haproxy/peers.txt’ ‘doc/close-options.txt’ -> ‘/data/haproxy/doc/haproxy/close-options.txt’ ‘doc/SPOE.txt’ -> ‘/data/haproxy/doc/haproxy/SPOE.txt’ ‘doc/intro.txt’ -> ‘/data/haproxy/doc/haproxy/intro.txt’

修改配置文件


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[code404@NEWCWS-AS06 haproxy-2.5.0]$ cd /data/haproxy [code404@NEWCWS-AS06 haproxy]$ mkdir etc [code404@NEWCWS-AS06 haproxy]$ vim etc/haproxy.cfg

/data/haproxy/etc/haproxy.cfg 配置

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#--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will log 127.0.0.1 local2 #chroot /data/haproxy/chroot pidfile /data/haproxy.pid maxconn 4000 uid 0 gid 0 daemon # turn on stats unix socket stats socket /data/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 3000 listen oa_rabbitmq_cluster bind *:5672 #配置TCP模式 mode tcp option tcplog #简单的轮询 balance roundrobin #rabbitmq集群节点配置 server 每个节点的hostname ip:5672 server OA-MQ1 10.3.152.68:5672 check inter 5000 rise 2 fall 2 server OA-MQ2 10.3.152.69:5672 check inter 5000 rise 2 fall 2 server OA-MQ3 10.3.153.69:5672 check inter 5000 rise 2 fall 2 listen stats bind *:15672 mode http option httplog stats enable #简单的轮询 balance roundrobin #rabbitmq集群节点配置 server 每个节点的hostname ip:5672 server OA-MQ1 10.3.152.68:15672 check inter 5000 rise 2 fall 2 server OA-MQ2 10.3.152.69:15672 check inter 5000 rise 2 fall 2 server OA-MQ3 10.3.153.69:15672 check inter 5000 rise 2 fall 2

启动 haproxy


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/data/haproxy/sbin/haproxy -f /data/haproxy/etc/haproxy.cfg

报错了[/data/haproxy/sbin/haproxy.main()] Cannot raise FD limit to 8032, limit is 1024.


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[code404@NEWCWS-AS06 haproxy]$ /data/haproxy/sbin/haproxy -f /data/haproxy/etc/haproxy.cfg [NOTICE] (22699) : haproxy version is 2.5.0-f2e0833 [NOTICE] (22699) : path to executable is /data/haproxy/sbin/haproxy [ALERT] (22699) : [/data/haproxy/sbin/haproxy.main()] Cannot raise FD limit to 8032, limit is 1024. [code404@NEWCWS-AS06 haproxy]$

这个报错说明,系统没有优化,下面优化一下

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vim /etc/security/limits.conf * soft nofile 65535 * hard nofile 65535

优化完成后,要重启一下服务器

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reboot

再次启动Haproxy


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[code404@NEWCWS-AS06 haproxy]$ /data/haproxy/sbin/haproxy -f /data/haproxy/etc/haproxy.cfg [code404@NEWCWS-AS06 haproxy]$ netstat -nptl (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:15672 0.0.0.0:* LISTEN 1887/haproxy tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:5672 0.0.0.0:* LISTEN 1887/haproxy tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN - tcp6 0 0 ::1:25 :::* LISTEN - tcp6 0 0 :::22 :::* LISTEN -

检查haproxy状态,能访问了


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[code404@NEWCWS-AS06 haproxy]$ curl localhost:15672 -I HTTP/1.1 200 OK content-length: 2884 content-security-policy: script-src 'self' 'unsafe-eval' 'unsafe-inline'; object-src 'self' content-type: text/html date: Mon, 06 Dec 2021 06:59:07 GMT etag: "3417244139" last-modified: Thu, 02 Dec 2021 07:12:23 GMT server: Cowboy vary: origin

外面访问,要开防火墙端口


切换到root账号,开放端口

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[code404@NEWCWS-AS06 haproxy]$ firewall-cmd --add-port=15672/tcp --add-port=5672/tcp --zone=public --perman success [code404@NEWCWS-AS06 haproxy]$ firewall-cmd --reload success [code404@NEWCWS-AS06 haproxy]$

CSDN_码404:普通用户安装配置haproxy
https://www.code404.icu/1481.html

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