--------------------------------------------------centos 7 处理----------------------------------------------------
[root@localhost ~]# vi /etc/selinux/config SELINUX=disabled [root@localhost ~]# systemctl stop firewalld.service [root@localhost ~]# systemctl disable firewalld.service Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service. Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
--------------------------------------------------haproxy安装----------------------------------------------------
[root@localhost ~]# tar zxf haproxy-1.7.8.tar.gz [root@localhost ~]# cd haproxy-1.7.8 [root@localhost haproxy-1.7.8]# make TARGET=linux3100 CPU=x86_64 PREFIX=/usr/local/haproxy [root@localhost haproxy-1.7.8]# make install PREFIX=/usr/local/haproxy
#数说明: #TARGET=linux3100 #使用uname -r查看内核,如:2.6.18-371.el5,此时该参数就为linux26 #kernel 大于2.6.28的用:TARGET=linux2628 #CPU=x86_64 #使用uname -r查看系统信息,如x86_64 x86_64 x86_64 GNU/Linux,此时该参数就为x86_64 #PREFIX=/usr/local/haprpxy #/usr/local/haprpxy为haprpxy安装路径
设置HAProxy
[root@localhost ~]# mkdir -p /usr/local/haproxy/conf #创建配置文件目录 [root@localhost ~]# mkdir -p /etc/haproxy #创建配置文件目录 [root@localhost ~]# touch /usr/local/haproxy/conf/haproxy.cfg #创建配置文件 [root@localhost ~]# ln -s /usr/local/haproxy/conf/haproxy.cfg /etc/haproxy/haproxy.cfg #添加配置文件软连接 [root@localhost ~]# cp -r /root/haproxy-1.7.8/examples/errorfiles /usr/local/haproxy/errorfiles #拷贝错误页面 [root@localhost ~]# ln -s /usr/local/haproxy/errorfiles /etc/haproxy/errorfiles #添加软连接 [root@localhost ~]# mkdir -p /usr/local/haproxy/log #创建日志文件目录 [root@localhost ~]# touch /usr/local/haproxy/log/haproxy.log #创建日志文件 [root@localhost ~]# ln -s /usr/local/haproxy/log/haproxy.log /var/log/haproxy.log #添加软连接 [root@localhost ~]# cp /root/haproxy-1.7.8/examples/haproxy.init /etc/rc.d/init.d/haproxy #拷贝开机启动文件 [root@localhost ~]# chmod +x /etc/rc.d/init.d/haproxy #添加脚本执行权限 [root@localhost ~]# chkconfig haproxy on #设置开机启动 [root@localhost ~]# ln -s /usr/local/haproxy/sbin/haproxy /usr/sbin #添加软连接
[root@localhost ~]# groupadd haproxy [root@localhost ~]# useradd -g haproxy haproxy -s /bin/false
配置haproxy.cfg参数
[root@localhost ~]# cp /usr/local/haproxy/conf/haproxy.cfg /usr/local/haproxy/conf/haproxy.cfg-bak
#--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global log 127.0.0.1 local2 ###[err warning info debug] chroot /usr/local/haproxy pidfile /var/run/haproxy.pid ###haproxy的pid存放路径,启动进程的用户必须有权限访问此文件 maxconn 4000 ###最大连接数,默认4000 user haproxy group haproxy daemon ###创建1个进程进入deamon模式运行。此参数要求将运行模式设置为"daemon" #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http ###默认的模式mode { tcp|http|health },tcp是4层,http是7层,health只会返回OK log global ###采用全局定义的日志 option dontlognull ###不记录健康检查的日志信息 option httpclose ###每次请求完毕后主动关闭http通道 option httplog ###日志类别http日志格式 option forwardfor ###如果后端服务器需要获得客户端真实ip需要配置的参数,可以从Http Header中获得客户端ip option redispatch ###serverId对应的服务器挂掉后,强制定向到其他健康的服务器 timeout connect 10000 #default 10 second timeout if a backend is not found timeout client 300000 ###客户端连接超时 timeout server 300000 ###服务器连接超时 maxconn 60000 ###最大连接数 retries 3 ###3次连接失败就认为服务不可用,也可以通过后面设置 #################################################################### listen stats bind 0.0.0.0:1080 #监听端口 stats refresh 30s #统计页面自动刷新时间 stats uri /stats #统计页面url stats realm Haproxy Manager #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 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- frontend main bind 0.0.0.0:80 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js use_backend static if url_static ###满足策略要求,则响应策略定义的backend页面 default_backend dynamic ###不满足则响应backend的默认页面 #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend static balance roundrobin ###负载均衡模式轮询 server static 127.0.0.1:80 check ###后端服务器定义 backend dynamic balance roundrobin server websrv1 192.168.1.202:80 check maxconn 2000 server websrv2 192.168.1.203:80 check maxconn 2000 #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- #errorloc 503 http://www.osyunwei.com/404.html errorfile 403 /etc/haproxy/errorfiles/403.http errorfile 500 /etc/haproxy/errorfiles/500.http errorfile 502 /etc/haproxy/errorfiles/502.http errorfile 503 /etc/haproxy/errorfiles/503.http errorfile 504 /etc/haproxy/errorfiles/504.http
设置HAProxy日志
[root@localhost html]# vi /etc/rsyslog.conf local0.* /var/log/haproxy.log local3.* /var/log/haproxy.log [root@localhost ~]# systemctl restart rsyslog
监控页面
http://192.168.1.205:1080/stats