harproxy

安装依赖包
apt update && apt -y install gcc make libssl-dev libpcre3
libpcre3-dev zlib1g-dev libreadline-dev libsystemd-dev liblua5.3-dev

下载
[root@ubuntu2204 ~]#wget http://www.haproxy.org/download/2.8/src/haproxy-
2.8.0.tar.gz
编译安装
[root@ubuntu2204 ~]#tar xf haproxy-2.8.0.tar.gz;cd haproxy-2.8.0/
make ARCH=x86_64 TARGET=linux-glibc USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 USE_PROMEX=1 USE_LUA=1 LUA_LIB_NAME=lua5.3

make install PREFIX=/apps/haproxy

haproxy配置文件

mkdir /etc/haproxy -p
root@ubuntu20:/etc/haproxy# vi haproxy.cfg 
global
   maxconn 100000
    chroot /apps/haproxy
   stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin
    #uid 99
    #gid 99
   user haproxy
   group haproxy
   daemon
    #nbproc 4
    #cpu-map 1 0
    #cpu-map 2 1
    #cpu-map 3 2
    #cpu-map 4 3
    #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
   stats enable
   log global
   stats uri     /haproxy-status
   stats auth   admin:123456

检测配置文件
root@ubuntu20:/etc/haproxy# /apps/haproxy/sbin/haproxy -c -f /etc/haproxy/haproxy.cfg
Configuration file is valid

创建用户
useradd -m -r -s /sbin/nologin -d /var/lib/haproxy haproxy

service文件配置

cat > /lib/systemd/system/haproxy.service <<-EOF
[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
EOF

启动haproxy

systemctl start haproxy

访问页面
http://192.168.1.120:9999/haproxy-status