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让 nginx 响应远程请求

tag-icon • tag-icon nginx ruby-on-rails
让 nginx 响应远程请求

我正在尝试排除服务器无法响应公共请求的原因。我正在运行 nginx，配置文件如下：

ngingx.conf

   user www-data;
    worker_processes 4;
pid /run/nginx.pid;

events {
        worker_connections 768;
        # multi_accept on;
}

http {

        ##
        # Basic Settings
        ##

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 65;
        types_hash_max_size 2048;
        # server_tokens off;

        # server_names_hash_bucket_size 64;
        # server_name_in_redirect off;

        include /etc/nginx/mime.types;
        default_type application/octet-stream;


        ##
        # Logging Settings
        ##

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        ##
        # Gzip Settings
        ##

        gzip on;
        gzip_disable "msie6";

        # gzip_vary on;
        # gzip_proxied any;
        # gzip_comp_level 6;
        # gzip_buffers 16 8k;
        # gzip_http_version 1.1;
        # gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

        ##
        # nginx-naxsi config
        ##
        # Uncomment it if you installed nginx-naxsi
        ##

        #include /etc/nginx/naxsi_core.rules;

        ##
        # nginx-passenger config
        ##
             # Uncomment it if you installed nginx-passenger
        ##

        #passenger_root /usr;
        #passenger_ruby /usr/bin/ruby;

        ##
        # Virtual Host Configs
        ##

        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;
}


#mail {
#       # See sample authentication script at:
#       # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
#
#       # auth_http localhost/auth.php;
#       # pop3_capabilities "TOP" "USER";
#       # imap_capabilities "IMAP4rev1" "UIDPLUS";
#
#       server {
#               listen     localhost:110;
#               protocol   pop3;
#               proxy      on;
#       }
#
#       server {
#               listen     localhost:143;
#               protocol   imap;
#               proxy      on;
#       }
#}

站点可用/生产.conf

    upstream mip-production-backend {

          server unix:///home/rails/apps/mip/production/shared/sockets/thin.0.sock;

          server unix:///home/rails/apps/mip/production/shared/sockets/thin.1.sock;

          server unix:///home/rails/apps/mip/production/shared/sockets/thin.2.sock;

          server unix:///home/rails/apps/mip/production/shared/sockets/thin.3.sock;
          }

    map $http_upgrade $connection_upgrade {
      default upgrade;
      ''      close;
    }

    server  {
      listen 80 default_server;

      root /home/rails/apps/mip/production/current/public;

      location / {
        proxy_redirect off;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host            $http_host;
        proxy_set_header Upgrade         $http_upgrade;
        proxy_set_header Connection      $connection_upgrade;

        if (!-f $request_filename) {
          proxy_pass http://mip-production-backend;
          break;
        }
      }

      error_page 500 502 503 504 /500.html;
      location = /500.html {
        root /home/rails/apps/mip/production/current/public;
      }

我已经启动了 4 个连接到套接字的瘦服务器，如下所示：

RAILS_ENV=production bundle exec thin start --socket /home/rails/apps/mip/production/shared/sockets/thin.1.sock

我可以看到套接字在它们应该在的地方，我尝试删除一个并运行 wgethttp://本地主机，返回：

2018/03/14 10:23:34 [error] 184654#0: *1 connect() to unix:///home/rails/apps/mip/production/shared/sockets/thin.3.sock failed (111: Connection refused) while connecting to upstream, client: 127.0.0.1, server: , request: "GET /login HTTP/1.1", upstream: "http://unix:///home/rails/apps/mip/production/shared/sockets/thin.3.sock:/login", host: "localhost"

仅当我删除了其中一个套接字时，此错误才会出现在日志中，因此它会按应有的方式读取它们。访问日志为：

27.0.0.1 - - [14/Mar/2018:10:23:34 +0000] "GET / HTTP/1.1" 302 99 "-" "Wget/1.15 (linux-gnu)"
127.0.0.1 - - [14/Mar/2018:10:23:34 +0000] "GET /login HTTP/1.1" 200 1231 "-" "Wget/1.15 (linux-gnu)"
127.0.0.1 - - [14/Mar/2018:10:29:40 +0000] "GET / HTTP/1.1" 302 99 "-" "Wget/1.15 (linux-gnu)"
127.0.0.1 - - [14/Mar/2018:10:29:40 +0000] "GET /login HTTP/1.1" 200 1231 "-" "Wget/1.15 (linux-gnu)"
127.0.0.1 - - [14/Mar/2018:10:29:46 +0000] "GET /login HTTP/1.1" 200 1231 "-" "Wget/1.15 (linux-gnu)"

该日志仅显示本地请求，当我远程访问公共 IP 时它不会注册。

我尝试搜索，但找不到任何关于如何让 nginx 响应访问 IP 地址而不是本地请求的建议。任何帮助都非常感谢

编辑：sudo netstat -tulpn 返回：

tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      1556/mysqld     
tcp        0      0 127.0.0.1:6379          0.0.0.0:*               LISTEN      1605/redis-server 1
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      194492/nginx    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1469/sshd       
tcp        0      0 127.0.0.1:6392          0.0.0.0:*               LISTEN      1429/redis-server 1
tcp6       0      0 :::22                   :::*                    LISTEN      1469/sshd

答案1

事实证明，我访问的服务器无法直接访问公共请求，而是通过第二台服务器进行路由，而第二台服务器并没有像应该的那样将任何请求转发给 nginx

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