haproxy具有高性能、高可用性、机动的负载均衡计谋和强大的将恐和日记功能，是法国开辟者 威利塔罗(Willy Tarreau)在2000年使用C语言开辟的一个开源软件，是一款具 备高并发(一万以上)、高性能的TCP和HTTP负载均衡器，支持基于cookie的恒久性，自动故障切换，支 持正则表达式及web状态统计。
这里对安装社区免费的版本举行先容(3.1):Index of /download/3.1/src
- wget https://www.haproxy.org/download/3.1/src/haproxy-3.1.3.tar.gz
- tar -zxvf haproxy-3.1.3.tar.gz -C /usr/local/src/
- [root@localhost ~]# ll /usr/local/src/
- total 4
- drwxrwxr-x. 13 root root 4096 Jan 29 21:20 haproxy-3.1.3
HAProxy requires a working GCC or Clang toolchain and GNU make :
- GNU make >= 3.80. Note that neither Solaris nor OpenBSD's make work with
the GNU Makefile. If you get many syntax errors when running "make", you
may want to retry with "gmake" which is the name commonly used for GNU make
on BSD systems.
- GCC >= 4.2 (up to 14 tested). Older versions can be made to work with a
few minor adaptations if really needed. Newer versions may sometimes break
due to compiler regressions or behaviour changes. The version shipped with
your operating system is very likely to work with no trouble. Clang >= 3.0
is also known to work as an alternative solution. Recent versions may emit
a bit more warnings that are worth reporting as they may reveal real bugs.
TCC (https://repo.or.cz/tinycc.git) is also usable for developers but will
not support threading and was found at least once to produce bad code in
some rare corner cases (since fixed). But it builds extremely quickly
(typically half a second for the whole project) and is very convenient to
run quick tests during API changes or code refactoring.
- GNU ld (binutils package), with no particular version. Other linkers might
work but were not tested.
我们查抄一下本身的安装的make和gcc版本
- [root@localhost haproxy-3.1.3]# yum list make
- Installed Packages
- make.x86_64 1:4.2.1-11.el8
- [root@localhost haproxy-3.1.3]# yum list gcc
- Installed Packages
- gcc.x86_64 8.5.0-23.el8_10 @appstream
haproxy是对lua是有要求的，比如以下信息阐明至少要大于即是5.3，这在编译haproxy时应该是须要的，我们要指定USE_LUA=1，然后在默认环境下haproxy会探求lua5.4,lua54,lua5.3这种名字，找不到的话大概会报错，全部这里在编译的时间官方也发起使用变量'LUA_LIN_NAME'。假如读者的体系为CentOS7 之前版本自带的lua版本比力低并不符合HAProxy要求的lua最低版本(5.3)的要求，因此须要编译安装较新版本的lua环境，然后才华编译安装HAProxy
查察本地默认lua版本信息
- [root@localhost haproxy-3.1.3]# yum list lua
- Available Packages
- lua.x86_64 5.3.4-12.el8 appstream
我们下载下来之后，根据上图haproxy的提示的extracted and built步调大概lua官网提示步调，举行操纵
- tar -zxvf lua-5.4.7.tar.gz -C /opt/
- ll /opt
- #total 0
- #drwxr-xr-x. 4 1026 1000 58 Jun 14 2024 lua-5.4.7
- cd /opt/lua-5.4.7/
- make all test
- #-------------------------------------------------
- sed -n '/lua-5.4.6/ p' /usr/local/src/haproxy-3.1.3/INSTALL
- $ cd /opt/lua-5.4.6
- USE_LUA=1 LUA_INC=/opt/lua-5.4.6/src LUA_LIB=/opt/lua-5.4.6/src
- cd /usr/local/src/haproxy-3.1.3/
- 编译
- make ARCH=x86_64 TARGET=linux-glibc USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 USE_LUA=1 LUA_INC=/opt/lua-5.4.7/src LUA_LIB=/opt/lua-5.4.7/src
- #上面将我们之前安装的软件对应的服务打开，在编译的时候使用变量名=1
- 安装
- make -p /app/haproxy
- make install PREFIX=/apps/haproxy
- [root@localhost haproxy]# tree
- .
- ├── doc
- │ └── haproxy
- │ ├── 51Degrees-device-detection.txt
- │ ├── configuration.txt
- │ ├── cookie-options.txt
- │ ├── DeviceAtlas-device-detection.txt
- │ ├── intro.txt
- │ ├── linux-syn-cookies.txt
- │ ├── lua.txt
- │ ├── management.txt
- │ ├── netscaler-client-ip-insertion-protocol.txt
- │ ├── network-namespaces.txt
- │ ├── peers.txt
- │ ├── peers-v2.0.txt
- │ ├── proxy-protocol.txt
- │ ├── regression-testing.txt
- │ ├── seamless_reload.txt
- │ ├── SOCKS4.protocol.txt
- │ ├── SPOE.txt
- │ └── WURFL-device-detection.txt
- ├── sbin
- │ └── haproxy
- └── share
- └── man
- └── man1
- └── haproxy.1
- ln -s /app/haproxy/sbin/haproxy /usr/sbin/
- [root@localhost ~]# haproxy -v
- HAProxy version 3.1.3-929bedf 2025/01/29 - https://haproxy.org/
- Status: stable branch - will stop receiving fixes around Q1 2026.
- Known bugs: http://www.haproxy.org/bugs/bugs-3.1.3.html
- Running on: Linux 4.18.0-553.el8_10.x86_64 #1 SMP Fri May 24 13:05:10 UTC 2024 x86_64
起首先创建pid的目次，这个目次应该是haproxy可以读写的，以是这里须要创建一个用户haproxy，它的家目次就是pid文件所在目次。
- mkdri /var/lib/haproxy
- useradd -r -s /sbin/nologin -d /var/lib/haproxy haproxy#-r表示系统用户-s用于设置登录权限-d指定家目录
- make /etc/haproxy
- vim /etc/haproxy/haproxy.cfg
- global
- maxconn 100000
- chroot /app/haproxy
- stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin
- user haproxy
- group haproxy
- daemon
- pidfile /var/lib/haproxy/haproxy.pid
- log 127.0.0.1 local2 info
- defaults
- option http-keep-alive
- option forwardfor
- maxconn 100000
- mode http
- timeout connect 300000ms
- timeout client 300000ms
- timeout server 300000ms
- listen stats
- mode http
- bind 0.0.0.0:9999#监听端口设置为9999
- stats enable
- log global
- stats uri /haproxy#后面用于登录的路由
- stats auth haproxy:123456#用户和密码
[root@localhost haproxy]# tree /usr/local/src/haproxy-3.1.3/examples/
/usr/local/src/haproxy-3.1.3/examples/
├── basic-config-edge.cfg
├── content-sw-sample.cfg
├── errorfiles
│ ├── 400.http
│ ├── 403.http
│ ├── 408.http
│ ├── 500.http
│ ├── 502.http
│ ├── 503.http
│ ├── 504.http
│ └── README
├── haproxy.init
├── lua
│ ├── event_handler.lua
│ ├── mailers.lua
│ └── README
├── mptcp-backend.py
├── mptcp.cfg
├── option-http_proxy.cfg
├── quick-test.cfg
├── socks4.cfg
├── traces.cfg
├── transparent_proxy.cfg
└── wurfl-example.cfg
创建体系启动haproxy的设置文件：vim /usr/lib/systemd/system/haproxy.service
- [Unit]
- Description=HAProxy Load Balancer
- After=syslog.target network.target
- [Service]
- ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q
- ExecStart=/usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /var/lib/haproxy/haproxy.pid
- ExecReload=/bin/kill -USR2 $MAINPID
- [Install]
- WantedBy=multi-user.target
- systemctl start haproxy
- systemctl status haproxy
关闭防火墙和selinux之后进入192.168.118.130:9999/haproxy
输入设置文件中的设置的用户和暗码，即可完成登录：
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发表于 2025-10-29 22:59:34