安装haproxy

安装依赖

yum install -y gcc pcre pcre-devel openssl openssl-devel

创建依赖账号，并禁止账号登录

useradd -M -s /sbin/nologin -u 1000 haproxy

编译安装haproxy

cd /usr/local/src/

wget https://www.haproxy.org/download/1.7/src/haproxy-1.7.11.tar.gz

tar xf haproxy-1.7.11.tar.gz

cd haproxy-1.7.11/

make TARGET=linux2628 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1  PREFIX=/usr/local/haproxy

make install PREFIX=/usr/local/haproxy

/usr/local/haproxy/sbin/haproxy -v

复制haproxy启动脚本到启动目录下

cp /usr/local/src/haproxy-1.7.11/haproxy /usr/sbin/

cp /usr/local/src/haproxy-1.7.11/haproxy-systemd-wrapper /usr/sbin

配置成systemctl可以管理

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

[Unit]

Description=HAProxy Load Balancer

After=syslog.target network.target

[Service]

EnvironmentFile=/etc/sysconfig/haproxy

ExecStart=/usr/sbin/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid $OPTIONS

ExecReload=/bin/kill -USR2 $MAINPID

[Install]

WantedBy=multi-user.target

编辑配置文件

cat /etc/sysconfig/haproxy

# Add extra options to the haproxy daemon here. This can be useful for

# specifying multiple configuration files with multiple -f options.

# See haproxy(1) for a complete list of options.

OPTIONS=""

编辑主配置文件

mkdir /etc/haproxy/

vim /etc/haproxy/haproxy.cfg

global

maxconn 100000

chroot /usr/local/haproxy

uid 1000

gid 1000

daemon

nbproc 1

pidfile /usr/local/haproxy/run/haproxy.pid

log 127.0.0.1 local6 info

defaults

option http-keep-alive

maxconn 100000

mode http

timeout connect 300000ms

timeout client  300000ms

timeout server  300000ms

listen stats

 mode http

 bind 0.0.0.0:8888   # 访问的端口

 stats enable

 log global

 stats uri     /haproxy-status   #状态地址

 stats auth    haproxy:123456    #登录账号和密码

#frontend web_port

frontend frontend_www_example_com

    bind 10.0.0.80:80

    mode http

    option httplog

    log global

    default_backend backend_www_example_com

backend backend_www_example_com

    option forwardfor header X-REAL-IP

    option httpchk HEAD / HTTP/1.0

    balance source

    server web-node1  10.0.0.80:8080 check inter 2000 rise 30 fall 15

    server web-node2  10.0.0.81:8080 check inter 2000 rise 30 fall 15

创建PID文件存放路径

mkdir /usr/local/haproxy/run/

启动服务

systemctl enable haproxy.service

systemctl start haproxy.service

修改日志存放位置 vim /etc/rsyslog.conf

[root@node-1 haproxy-1.7.11]# sed -n "15,21p" /etc/rsyslog.conf

$ModLoad imudp

$UDPServerRun 514

# Provides TCP syslog reception

$ModLoad imtcp

$InputTCPServerRun 514

local6.*     /var/log/haproxy/haproxy.log

local6.*     @@10.0.0.80:5160

[root@node-1 haproxy-1.7.11]#

创建日志存放位置并授权haproxy

mkdir /var/log/haproxy

chown -R haproxy.haproxy /var/log/haproxy

重启服务生效

systemctl restart rsyslog

systemctl restart haproxy.service

巴特西

安装haproxy

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