haproxy负载均衡166.110.110.100
后端服务器1 166.110.110.1
后端服务器2 166.110.110.2
1 2 3 4 5 6 7 8 9 10 11 12 | --------------------------------------------------centos 7 处理---------------------------------------------------- 关闭SELinux vi /etc/selinux/config #SELINUX=enforcing #注释掉 #SELINUXTYPE=targeted #注释掉 SELINUX=disabled #增加 :wq! #保存退出 setenforce 0 #使配置立即生效 关闭centos 7的防火墙(仅在测试的时候) systemctl stop firewalld.service systemctl disable firewalld.service |
1 2 3 4 5 | --------------------------------------------------haproxy安装---------------------------------------------------- yum install wget gcc -y && wget -c --no-check-certificate https://src.fedoraproject.org/repo/pkgs/haproxy/haproxy-1.8.12.tar.gz && tar -xvf haproxy-1.8.12.tar.gz && cd haproxy-1.8.12 groupadd haproxy #添加haproxy组 useradd -g haproxy haproxy -s /bin/false #创建nginx运行账户haproxy并加入到haproxy组，不允许haproxy |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | --------------------------------------------------haproxy配置---------------------------------------------------- vi /etc/haproxy/haproxy.cfg 修改为以下配置 #--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- listen admin_stats bind 127.0.0.1:1080 #监听端口 mode http #http的7层模式 option httplog #采用http日志格式 #log 127.0.0.1 local0 err maxconn 10 stats refresh 30s #统计页面自动刷新时间 stats uri /stats #统计页面url stats realm Proxy\ Haproxy #统计页面密码框上提示文本 stats auth admin:admin #统计页面用户名和密码设置 stats hide-version #隐藏统计页面上HAProxy的版本信息 listen test1 bind 0.0.0.0:80 mode tcp balance leastconn #maxconn 40000 #log 127.0.0.1 local0 debug server s1 166.110.110.1:80 server s2 166.110.110.2:80 |
1 2 3 4 5 6 | ------------------------------------------------------------------------------------------------------ centos7下haproxy启动停止重启重载状态等控制命令 systemctl (start, stop, restart, try-restart, reload, force-reload, status) haproxy.service haproxy web监控信息166.110.110.100为haproxy安装所在服务器IP http://166.110.110.100:1080/status |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | -----------------------------后端安装lighttpd 作为测试用---------------------------------------------- systemctl stop firewalld.service systemctl disable firewalld.service 关闭SELinux vi /etc/selinux/config 将SELINUX=enforcing改为SELINUX=disabled 安装 yum install -y epel-release gcc gcc-c++ autoconf automake zlib zlib-devel pcre-devel zip unzip libtool bzip2-* && yum install -y lighttpd && systemctl enable lighttpd 编辑配置文件关闭ipv6 vi /etc/lighttpd/lighttpd.conf 注释掉ipv6 启动服务器 systemctl restart lighttpd.service 默认目录及首页 /var/www/lighttpd/index.html 对两个index.html进行修改进行区别 后端第一个服务器 echo "<h1>this is upstream server 1" >> /var/www/lighttpd/index.html 后端第二个服务器 echo "<h1>this is upstream server 2" >> /var/www/lighttpd/index.html |
访问haproxy所在服务器IP或者解析的域名刷新试试
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | -----------------------------Haproxy 负载均衡的8种算法---------------------------------------- balance roundrobin # 轮询，软负载均衡基本都具备这种算法 balance static-rr # 根据权重，建议使用 balance leastconn # 最少连接者先处理，建议使用 balance source # 根据请求源IP，建议使用 balance uri # 根据请求的URI balance url_param，# 根据请求的URl参数'balance url_param' requires an URL parameter name balance hdr(name) # 根据HTTP请求头来锁定每一次HTTP请求 balance rdp-cookie(name) # 根据据cookie(name)来锁定并哈希每一次TCP请求 |
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