Haproxy 代理

一：安装haproxy

　　1：解压   编译   安装

　　tar zxf haproxy-1.7.9.tar.gz

cd  haproxy-1.7.9

uname -e

make TARGET=linux2.6 PREFIX=/usr/local/haproxy

make install PREFIX=/usr/local/haproxy

二：创建haproxy配置文件

mkdir /etc/haproxy

cd /etc/haproxy/

vi   haproxy.cfg

########################
global
    log 127.0.0.1 local0
    log 127.0.0.1 local1 notice
    maxconn 4096
    user www
    group www
    daemon
    nbproc 8

defaults
    log global
    mode tcp
    option tcplog
    option dontlognull
    retries 3
    option redispatch
    maxconn 2000
    timeout connect 50000
    timeout client 50000
    timeout server 50000

#Ha代理192.168.6.140 22端口
listen sshd
    bind 0.0.0.0:11000
    server 140_ssh 192.168.6.140:22 check inter 2000 rise 2 fall 5

#Ha代理http
listen 192.168.6.140_tomcat
    bind 0.0.0.0:11001
    mode http
    balance roundrobin
    server web1 192.168.6.140:8080 weight 1 maxconn 10000 check inter 3s rise 3 fall 3

# Ha代理redis

listen redis
    bind 0.0.0.0:9999
    balance leastconn
    mode tcp
    # redis 健康检查，确保只有master提供连接
    option tcp-check
    tcp-check connect
    tcp-check send PING\r\n
    tcp-check expect string +PONG
    tcp-check send info\ replication\r\n
    tcp-check expect string role:master
    tcp-check send QUIT\r\n
    tcp-check expect string +OK
    server redis01 127.0.0.1:6380 check port 6380 inter 5s fastinter 2s downinter 5s rise 3 fall 3
    server redis02 127.0.0.1:6381 check port 6381 inter 5s fastinter 2s downinter 5s rise 3 fall 3

# Ha web页面配置

listen status

bind *:10000
    mode http
    stats enable
    stats uri /status
    stats refresh 5s
    stats show-node
    stats show-legends
    stats hide-version
    bind-process 2

三：配置haproxy启动脚本

cp /haproxy-1.7.9/examples/haproxy.init /etc/init.d/haproxy
cp /usr/local/haproxy/sbin/haproxy /usr/sbin/
chmod a+x /etc/init.d/haproxy

四：启动haproxy服务

/usr/local/haproxy/sbin/haproxy -f /etc/haproxy/haproxy.cfg

或

/etc/init.d/haproxy start