librelist archives

Re: [flask] Re: Help: nginx fcgi url path problem

From:

何威威

Date:

2010-07-06 @ 06:23

Oh, I have the same problem when deploy flask on nginx using fcgi.

2010/7/6 Lix Xu <xuzenglin@gmail.com>

> Just got the solution use Nginx & fastcgi to serve Flask.
> my application arch is:
> /hello
>     /hello
>         __init__.py
>         /models     -> database related
>         /static       -> static content
>             /images
>             /css
>             /js
>        /templates   -> html related
>        /views          -> controller related
>
> the nginx conf like below, please replace hello to your application name,
> and the point is the three lines:
>                 fastcgi_split_path_info ^(/)(.*)$;
>                 fastcgi_param PATH_INFO $fastcgi_path_info;
>                 fastcgi_param SCRIPT_FILENAME $fastcgi_path_info;
>
> # nginx.conf
>
> ...
> server {
>         listen 80;
>         server_name localhost;
>         access_log /opt/nginx/logs/hello.access_log;
>         error_log /opt/nginx/logs/hello.error_log warn;
>         location = /hello{ rewrite ^ /var/www/hello/hello/ last; }
>         location / { try_files $uri @hello; }
>         location @hello{
>                 include fastcgi_params;
>                 fastcgi_split_path_info ^(/)(.*)$;
>                 fastcgi_param PATH_INFO $fastcgi_path_info;
>                 fastcgi_param SCRIPT_FILENAME $fastcgi_path_info;
>                 fastcgi_pass unix:/tmp/hello.sock;
>         }
>     }
> ...
>
> # /var/www/hello/hello-start.sh
> #!/bin/sh
>
> chmod 755 /var/www/hello/hello.fcgi
> spawn-fcgi -u 33 -g 33 -d /var/www/hello-f /var/www/hello/hello.fcgi -s
> /tmp/hello.sock
>
>
> #/var/www/hello/hello.fcgi
> #!/usr/bin/env python
> #-*- coding:utf-8 -*-
>
> from flup.server.fcgi import WSGIServer
> from hello import app
>
> WSGIServer(app, bindAddress='/tmp/hello.sock').run()
>
> Hope this is useful to you.
>
> Regards.
>
> Lix Xu
>
> On Mon, May 31, 2010 at 11:45 AM, Lix Xu <xuzenglin@gmail.com> wrote:
>
>> Hi Silas,
>>    Thanks for suggestion. As I have no idea to serve WSGI under Nginx, I
>> turned to Cherokee (which can works well for url_for). And I'm tring to find
>> to deploy Flask using Nginx and FCGI & WSGI.
>>    Again, thanks a lot.
>>
>> Lix Xu
>>
>>
>> On Sat, May 29, 2010 at 10:42 PM, Silas Baronda <silas.baronda@gmail.com>wrote:
>>
>>> Hi Lix,
>>>
>>> First I recommend moving to a different type of protocol other than
>>> FCGI.  In particular you should use WSGI.
>>>
>>> There are quite a few good WGSI server that you can proxy behind
>>> nginx. Gunicorn and uwsgi
>>>  come to mind.
>>>
>>> On Sat, May 29, 2010 at 10:33 AM, Lix Xu <xuzenglin@gmail.com> wrote:
>>> > Hi,
>>> >    It seems that no one can help on this.
>>> >
>>> > Lix Xu
>>> >
>>> > On Fri, May 28, 2010 at 9:12 AM, Lix Xu <xuzenglin@gmail.com> wrote:
>>> >>
>>> >> Hi,
>>> >>    I need help on nginx fcgi settings due to url_for always get wrong
>>> url
>>> >> path.
>>> >
>>> >      PS: It works well under built-in server .
>>> >>
>>> >>    1.   my app organization
>>> >>         myapp/
>>> >>             myapp/
>>> >>                 __init__.py
>>> >>                 models/
>>> >>                 templates/
>>> >>                     users/
>>> >>                         index.html
>>> >>                         hello.html
>>> >>                         say_hi.html
>>> >>                 views/
>>> >>                     users.py
>>> >>                     __init__.py
>>> >>                 static/
>>> >>                     css/
>>> >>                     images/
>>> >>                     javascripts/
>>> >>     2. source code
>>> >>        # ---- myapp/__init__.py
>>> >>        ...
>>> >>        from myapp.views.users import users as users_view
>>> >>        app.register_module(users_view)
>>> >>        ...
>>> >>
>>> >>        # ----- myapp/views/users.py
>>> >>        users = Module(__name__)
>>> >>        @users.route('/')
>>> >>        def index():
>>> >>            # ....
>>> >>
>>> >>        @users.route('/hello/')
>>> >>        def hello():
>>> >>            # ....
>>> >>
>>> >>        @users.route('/hello/<name>/')
>>> >>        def say_hi(name):
>>> >>            # .....
>>> >>
>>> >>        # --- myapp/templates/users/index.html
>>> >>        url_for('index') ---> /
>>> >>        url_for('hello') ---> /hello
>>> >>        url_for('.static', filename='css/main.css') -->
>>> >> /static/css/main.css
>>> >>
>>> >>        # --- myapp/templates/users/hello.html
>>> >>        url_for('index') ---> /hello
>>> >>        url_for('hello') ---> /hello/hello (tried
>>> url_for('.users.index'),
>>> >> same result)
>>> >>        url_for('say_hi', name = name) --> /hello/say_hi/<name>
>>> >>        url_for('.static', filename='css/main.css') -->
>>> >> /hello/static/css/main.css
>>> >>
>>> >>    3. nginx settings
>>> >>     #------------ /opt/nginx/conf/sites-available/myapp
>>> >> ----------------------------------------
>>> >>     fastcgi_cache_path /opt/nginx/cache/myapp
>>> >>                                         levels=1:2
>>> keys_zone=myapp:50m;
>>> >>
>>> >>     server {
>>> >>             listen 81;
>>> >>             server_name paperless;
>>> >>             access_log /opt/nginx/logs/myapp.access_log;
>>> >>             error_log /opt/nginx/logs/myapp.error_log warn;
>>> >>             root /var/www/myapp/myapp;
>>> >>             location / {
>>> >>                     include fastcgi_params;
>>> >>                     fastcgi_param SCRIPT_FILENAME "";
>>> >>                     fastcgi_param PATH_INFO $path_url;
>>> >>                     fastcgi_param PATH_INFO $fastcgi_script_name;
>>> >>                     fastcgi_pass unix:/tmp/myapp-fcgi.sock;
>>> >>                     fastcgi_cache myapp;
>>> >>                     fastcgi_cache_key $server_addr$request_uri;
>>> >>                     fastcgi_cache_valid any 1m;
>>> >>                     fastcgi_hide_header Set-Cookie;
>>> >>             }
>>> >>
>>> >>             location /static/ {
>>> >>                     root /var/www/myapp/myapp;
>>> >>             }
>>> >>     }
>>> >>
>>> >>    I'm not familliar with nginx settings, but I think it's because of
>>> >> nginx setting problem results in the wrong url path.
>>> >>
>>> >>    Anyone can help me on that?
>>> >>
>>> >> Thanks a lot.
>>> >>
>>> >> Lix Xu
>>> >
>>> >
>>>
>>
>>
>