haproxy2.1.3-编译安装 centos7

haproxy2.1.3 下载、
安装依赖:
yum install -y openssl openssl-devel systemd-devel.x86_64
解压源码:
tar -zxf haproxy-2.1.3.tar.gz

编译安装:

cd haproxy-2.1.3/
make TARGET=linux-glibc   USE_OPENSSL=1 USE_SYSTEMD=1 USE_PCRE=1  USE_ZLIB=1  && make install

开启https：USE_OPENSSL=1
指定为systemd模式: USE_SYSTEMD=1

注册到系统服务:

cp contrib/systemd/haproxy.service.in /usr/lib/systemd/system/haproxy.service

vim /usr/lib/systemd/system/haproxy.service

修改路径

[Service]
ExecStartPre=/usr/local/sbin/haproxy -f /etc/haproxy/haproxy.cfg   -c -q
ExecStart=/usr/local/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg  -p /run/haproxy.pid
ExecReload=/bin/kill -USR2 $MAINPID

开启haproxy日志: vim /etc/rsyslog.conf

# Provides UDP syslog reception
#解开注释
$ModLoad imudp
#解开注释
$UDPServerRun 514
#添加
local0.*                                      /var/log/haproxy.log

编辑rsyslog

vim /etc/sysconfig/rsyslog
SYSLOGD_OPTIONS="-r -m 0 -c 2"

添加启动用户

useradd -r haproxy
usermod -G haproxy haproxy

创建配置文件及启动目录:

mkdir -p /var/lib/haproxy
touch /var/lib/haproxy/stats
mkdir /etc/haproxy
vim /etc/haproxy/haproxy.cfg

默认不生成 Example：

global
    log 127.0.0.1   local0 info
    chroot      /var/lib/haproxy
    pidfile     /var/run/haproxy.pid
    maxconn     1020   # See also: ulimit -n
    user        haproxy
    group       haproxy
    daemon
    # turn on stats unix socket
    stats socket /var/lib/haproxy/stats.sock mode 600 level admin
    stats timeout 2m
defaults
    mode    tcp
    log     global
    option  dontlognull
    option  redispatch
    timeout http-request      10s
    retries                   3
    timeout queue             45s
    timeout connect           10s
    timeout client            1m
    timeout server            1m
    timeout http-keep-alive   10s
    timeout check             10s
    maxconn                   1020
listen stats
    mode http
    bind 0.0.0.0:8089
    stats enable
    stats uri     /admin?stats
    stats realm   Haproxy\ Statistics
    stats auth    admin:admin
    stats admin if TRUE

frontend mysql
    description "MySQL"
    bind *:3306
    mode tcp
    log global
    default_backend mysql

backend mysql
    description "MySQL"
    balance leastconn
    server mysql1 192.168.88.8:3307 check
    server mysql2 192.168.88.10:3307 check

检验haproxy.cfg 是否正确: haproxy -c -f /etc/haproxy/haproxy.cfg
待出现 Configuration file is valid 说明配置有效

重启服务

systemctl restart haproxy
systemctl restart rsyslog
## 查看日志
tail /var/log/haproxy.log