Nginx负载均衡功能的配置研究

实验环境

win7+ubuntu（vmware）

win7 tomcat(ip and por:192.168.0.108:8080)

linux tomcat(ip and por:192.168.110.129:8080)

在ubuntu中安装nginx（sudo apt-get install nginx），默认安装在etc/nginx

在两台tomcat的webapps下的ROOT中，为了表示出访问的是那一台tomcat，替换index.html以及index.jsp，其中分别写入linux和windows。

nginx的启动关闭和测试命令如下：

关闭nginx
zhengx@zhengx-virtual-machine:~$ sudo pkill -9 nginx
测试nginx是否成功配置
zhengx@zhengx-virtual-machine:~$ sudo nginx -t
nginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignored
nginx: the configuration file /etc/nginx/nginx.conf syntax is oknginx: configuration file /etc/nginx/nginx.conf test is successful
开启nginx
zhengx@zhengx-virtual-machine:~$ sudo nginx
nginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignored
zhengx@zhengx-virtual-machine:~$

其中nginx.conf的配置文件如下所示

user www-data;
worker_processes 4;
pid /var/run/nginx.pid;
events {
    worker_connections 768;
    # multi_accept on;
}
http {
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 1024;
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;
    gzip on;
    upstream   localhost {
              #win7的tomcat访问url
              server   192.168.0.108:8080;
              #linux的tomcat访问url
              server   192.168.110.129:8080;
        }
    server {
        listen 80;
        server_name  localhost;
        charset utf-8;
        location / {
            root   html;
            index  index.html index.htm;
            #跳转到win7上的tomcat
            proxy_pass         http://192.168.0.108:8080;
            proxy_set_header  X-Real-IP  $remote_addr;
            client_max_body_size  100m;
        }
        location ~ ^/(WEB-INF)/ {
            deny all;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
        }
    include /etc/nginx/server.conf;
    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}

为了便于维护把nginx.conf拆分一部分出来分别是upstream.conf和location.conf

nginx.conf的配置文件如下：

upstream.conf的配置文件如下：

upstream   localhost {
              server   192.168.0.108:8080;
              server   192.168.110.129:8080;
}

location.conf的配置文件如下：

location / {
            root   html;
            index  index.html index.htm;
            #去找域名为localhost的upstream
            proxy_pass         http://localhost;
            proxy_set_header  X-Real-IP  $remote_addr;
            client_max_body_size  100m;
        }
        location ~ ^/(WEB-INF)/ {
            deny all;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
(责任编辑：IT)

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Nginx负载均衡功能的配置研究