Duplicated response body with fastcgi

Etienne Robillard tkadm30 at yandex.com
Thu Jul 13 14:25:32 UTC 2017


Hi,
I'm trying to setup a Django app with nginx using fastcgi. Here's my config:

# configuration file /etc/nginx/nginx.conf:
user www-data;
worker_processes 4;
pid /run/nginx.pid;

events {
     worker_connections 512;
     multi_accept on;
     use epoll;
}

http {

     ##
     # Basic Settings
     ##

     sendfile on;
     tcp_nopush on;
     tcp_nodelay on;
     keepalive_timeout 80;
     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;

     ##
     # SSL Settings
     ##

     ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
     ssl_prefer_server_ciphers on;

     ##
     # Logging Settings
     ##

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

     ##
     # Gzip Settings
     ##

     gzip off;
     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/javascript text/xml application/xml application/xml+rss 
text/javascript;

     ##
     # Virtual Host Configs
     ##

     include /etc/nginx/conf.d/development.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;
#    }
#}

# configuration file /etc/nginx/mime.types:

types {
     text/html                             html htm shtml;
     text/css                              css;
     text/xml                              xml;
     image/gif                             gif;
     image/jpeg                            jpeg jpg;
     application/javascript                js;
     application/atom+xml                  atom;
     application/rss+xml                   rss;

     text/mathml                           mml;
     text/plain                            txt;
     text/vnd.sun.j2me.app-descriptor      jad;
     text/vnd.wap.wml                      wml;
     text/x-component                      htc;

     image/png                             png;
     image/tiff                            tif tiff;
     image/vnd.wap.wbmp                    wbmp;
     image/x-icon                          ico;
     image/x-jng                           jng;
     image/x-ms-bmp                        bmp;
     image/svg+xml                         svg svgz;
     image/webp                            webp;

     application/font-woff                 woff;
     application/java-archive              jar war ear;
     application/json                      json;
     application/mac-binhex40              hqx;
     application/msword                    doc;
     application/pdf                       pdf;
     application/postscript                ps eps ai;
     application/rtf                       rtf;
     application/vnd.apple.mpegurl         m3u8;
     application/vnd.ms-excel              xls;
     application/vnd.ms-fontobject         eot;
     application/vnd.ms-powerpoint         ppt;
     application/vnd.wap.wmlc              wmlc;
     application/vnd.google-earth.kml+xml  kml;
     application/vnd.google-earth.kmz      kmz;
     application/x-7z-compressed           7z;
     application/x-cocoa                   cco;
     application/x-java-archive-diff       jardiff;
     application/x-java-jnlp-file          jnlp;
     application/x-makeself                run;
     application/x-perl                    pl pm;
     application/x-pilot                   prc pdb;
     application/x-rar-compressed          rar;
     application/x-redhat-package-manager  rpm;
     application/x-sea                     sea;
     application/x-shockwave-flash         swf;
     application/x-stuffit                 sit;
     application/x-tcl                     tcl tk;
     application/x-x509-ca-cert            der pem crt;
     application/x-xpinstall               xpi;
     application/xhtml+xml                 xhtml;
     application/xspf+xml                  xspf;
     application/zip                       zip;

     application/octet-stream              bin exe dll;
     application/octet-stream              deb;
     application/octet-stream              dmg;
     application/octet-stream              iso img;
     application/octet-stream              msi msp msm;

application/vnd.openxmlformats-officedocument.wordprocessingml.document 
docx;
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet xlsx;
application/vnd.openxmlformats-officedocument.presentationml.presentation 
pptx;

     audio/midi                            mid midi kar;
     audio/mpeg                            mp3;
     audio/ogg                             ogg;
     audio/x-m4a                           m4a;
     audio/x-realaudio                     ra;

     video/3gpp                            3gpp 3gp;
     video/mp2t                            ts;
     video/mp4                             mp4;
     video/mpeg                            mpeg mpg;
     video/quicktime                       mov;
     video/webm                            webm;
     video/x-flv                           flv;
     video/x-m4v                           m4v;
     video/x-mng                           mng;
     video/x-ms-asf                        asx asf;
     video/x-ms-wmv                        wmv;
     video/x-msvideo                       avi;
}

# configuration file /etc/nginx/conf.d/development.conf:
server {

     # static medias web server configuration, for development
     # and testing purposes.

     listen       80;
     server_name  localhost;
     error_log /var/log/nginx/error_log; #debug
     #access_log  /var/log/nginx/gthc.org/access.log;
     root /home/erob/www/isotopesoftware.ca;
     #autoindex on;

     location / {
     #    # host and port to fastcgi server
         fastcgi_pass 127.0.0.1:8808; # 8808=gthc.org; 8801=tm
         include fastcgi_params;
         autoindex on;
     #    # rewrite /CamelCase to /wiki/CamelCase
     #    rewrite ^/(.*[A-Z][a-z]*)$ /wiki$1 last;
         #etag on;
     #fastcgi_pass_header $http_if_none_match;
     }


     # debug url rewriting to the error log
     rewrite_log on;

     location /media {
         autoindex on;
         gzip on;
     }

     location /pub {
         autoindex on;
         gzip on;
     }

     location /webalizer {
         autoindex on;
         gzip on;
     #auth_basic "Private Property";
     #auth_basic_user_file /etc/nginx/.htpasswd;
         allow 67.68.76.70;
     deny all;
     }

     location /documentation {
         autoindex on;
         gzip on;
     }

     location /moin_static184 {
     autoindex on;
     gzip on;
     }
     location /favicon.ico {
     empty_gif;
     }
     location /robots.txt {
          root /home/www/isotopesoftware.ca;
     }
     location /sitemap.xml {
     root /home/www/isotopesoftware.ca;
     }

     #location /public_html {
     # root /home/www/;
     # autoindex on;
     #}
     # redirect server error pages to the static page /50x.html
     #error_page 404 /404.html;
     #error_page 403    /403.html;
     #error_page 500 502 503 504  /50x.html;
     #location = /50x.html {
     #    root   /var/www/nginx-default;
     #}

     include conf.d/moinmoin.conf;
     include conf.d/livestore.conf;
}


# configuration file /etc/nginx/fastcgi_params:
fastcgi_param  PATH_INFO          $fastcgi_script_name;
fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
#fastcgi_param  REMOTE_USER      $remote_user;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;


#XXX
#fastcgi_param HTTP_IF_NONE_MATCH $http_if_none_match;
#fastcgi_param HTTP_IF_MODIFIED_SINCE $http_if_modified_since;


# PHP only, required if PHP was built with --enable-force-cgi-redirect
# fastcgi_param  REDIRECT_STATUS    200;

fastcgi_send_timeout 90;
fastcgi_read_timeout 90;
fastcgi_connect_timeout 40;
fastcgi_cache_valid 200 304 10m;
#fastcgi_buffer_size 128k;
#fastcgi_buffers 8 128k;
#fastcgi_busy_buffers_size 256k;
#fastcgi_temp_file_write_size 256k;


# configuration file /etc/nginx/conf.d/moinmoin.conf:


location /wiki {


       if ($uri ~ ^/wiki(.*)?){
          set $wiki_url $1;
       }
       # host and port to fastcgi server
       fastcgi_pass 127.0.0.1:8807; # 8808=gthc.org; 8801=tm; 8807=moinmoin
       #include fastcgi_params;
       fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
       fastcgi_param  SERVER_SOFTWARE    nginx;
       fastcgi_param  QUERY_STRING       $query_string;
       fastcgi_param  REQUEST_METHOD     $request_method;
       fastcgi_param  CONTENT_TYPE       $content_type;
       fastcgi_param  CONTENT_LENGTH     $content_length;
       fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
       #fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
       fastcgi_param  REQUEST_URI        $request_uri;
       fastcgi_param  DOCUMENT_URI       $document_uri;
       fastcgi_param  DOCUMENT_ROOT      $document_root;
       fastcgi_param  SERVER_PROTOCOL    $server_protocol;
       fastcgi_param  REMOTE_ADDR        $remote_addr;
       fastcgi_param  REMOTE_PORT        $remote_port;
       fastcgi_param  SERVER_ADDR        $server_addr;
       fastcgi_param  SERVER_PORT        $server_port;
       fastcgi_param  SERVER_NAME        $server_name;
       fastcgi_param PATH_INFO $wiki_url;
       fastcgi_param SCRIPT_NAME /wiki;
}
#location /moin_static184 {
#    root /home/www/isotopesoftware.ca;
#    autoindex on;
#}



# configuration file /etc/nginx/conf.d/livestore.conf:


location /store {


       if ($uri ~ ^/store(.*)?){
          set $store_url $1;
       }
       # host and port to fastcgi server
       fastcgi_pass 127.0.0.1:8809; # 8808=gthc.org; 8801=tm; 8807=moinmoin
       #include fastcgi_params;
       fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
       fastcgi_param  SERVER_SOFTWARE    nginx;
       fastcgi_param  QUERY_STRING       $query_string;
       fastcgi_param  REQUEST_METHOD     $request_method;
       fastcgi_param  CONTENT_TYPE       $content_type;
       fastcgi_param  CONTENT_LENGTH     $content_length;
       fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
       #fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
       fastcgi_param  REQUEST_URI        $request_uri;
       fastcgi_param  DOCUMENT_URI       $document_uri;
       fastcgi_param  DOCUMENT_ROOT      $document_root;
       fastcgi_param  SERVER_PROTOCOL    $server_protocol;
       fastcgi_param  REMOTE_ADDR        $remote_addr;
       fastcgi_param  REMOTE_PORT        $remote_port;
       fastcgi_param  SERVER_ADDR        $server_addr;
       fastcgi_param  SERVER_PORT        $server_port;
       fastcgi_param  SERVER_NAME        $server_name;
       fastcgi_param PATH_INFO $store_url;
       fastcgi_param SCRIPT_NAME /store;
}
location /satchmo_media {
     root /home/www/livestore;
     autoindex on;
     gzip on;
     expires 30d;
}

The problem is that nginx is duplicating the response body stream for 
the /store location. This issue does not happen in WSGI mode.

Any ideas how to fix?

Thank you in advance,

E





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