nginx 配置文件备忘-Terry

当前  nginx 实现了 jboss 调度，SESSION 同步功能

但最近某个项目 tomcat 集群需要临时迁移，也共同部署到当前项目环境中

 

user  daemon;                                            # 定义 进程用户
worker_processes  2;                                 # CPU 使用率
worker_cpu_affinity 01 10 ;                        # CPU 负载
pid        /var/run/nginx/nginx.pid;                #  PID 位置
worker_rlimit_nofile  8096;                         # 当前每个线程最大的文件访问限制

events {
    worker_connections  8096;                   # 每个线程最大并发
        use epoll;                                          # linux 下优化 CPU 功能，WINDOWS 不具备
}

http {
    include mime.types;
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for" "$upstream_addr""$upstream_status" "$upstream_response_time"';
    sendfile       on;
    keepalive_timeout  20;
    expires -1;

    upstream backend {
                sticky;                                                                                           #实现 SESSION 同步的 NGINX 模块，需编译添加
                server x.x.x.25:8080 weight=1 max_fails=2  fail_timeout=20s;    #jboss 集群a
                server x.x.x.29:8080 weight=1 max_fails=2  fail_timeout=20s;    #jboss 集群b
                 ...... #太多了不浪费位置了
                server x.x.x.125:8080 weight=1 max_fails=2  fail_timeout=20s;    #jboss 集群c
    }

   upstream newproject {
                sticky;                                                                                           #实现 SESSION 同步的 NGINX 模块，需编译添加
                server x.x.x.25:15004 weight=1 max_fails=2  fail_timeout=20s;    #tomcat 集群a
                server x.x.x.29:15004 weight=1 max_fails=2  fail_timeout=20s;    #tomcat 集群b
                 ...... #太多了不浪费位置了
                server x.x.x.125:15004 weight=1 max_fails=2  fail_timeout=20s;    #tomcat 集群c

  }

    server {
        listen       80;
        server_name  127.0.0.1;
        access_log   none;
        error_log    none;
        location /nginx_status {                   #用于监控用的平台
             stub_status   on;
        }
    }
    server {
        listen       80;
        server_name  www.xxx.cn xxx.28 xxx.cn xxx.29 xxx.25;                                      # 同时支持多个域名 IP 访问 
        charset utf-8;
        proxy_set_header        Host $host:$server_port;                                                   # 重定义 header 信息
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        User-Agent $http_user_agent;
        proxy_set_header        Referer $http_referer;
        proxy_connect_timeout   30;                                                                                   #调度器连接信息
        proxy_send_timeout      30;
        proxy_read_timeout      30;
        access_log  /var/log/nginx/x.x.x.28.access.log  main;
        error_log  /var/log/nginx/x.x.x.28.error.log;
        proxy_next_upstream error timeout http_500 http_502 http_503 http_504;         # 错误信息控制
        location / {
            proxy_pass http://backend/;                                                                              # 主集群调度

                  if ( $request_uri ~ /gz/ ) {                                                                             # 目标实现   http://www.xx.cn/gz  自动跳转到另外一组集群中
                       proxy_pass http://newproject/;                                                               # 临时的另外一个项目的临时支持
                       rewrite /gz/(.*) /gz/$1 break;                                                                    #   rewrite 重定义令该项目看上去成为主项目中的子项目
                  }
        }
    }
}

原文