django - 未创建 uwsgi 套接字文件

Question

我在使用 uwsgi 和 nginx 设置服务器时遇到问题。这是我的 uwsgi ini 文件(和附庸中的符号链接(symbolic link)):

# ebook_uwsgi.ini file
[uwsgi]
#emperor = /etc/uwsgi/vassals
#plugins        = python #if uwsgi installed with pip, dont have to use this line
# Django-related settings
# the base directory (full path)
chdir           = /var/www/django/ebook/ebook/wsgi/ebook/
# Django's wsgi file
module          = controller.wsgi:application
# the virtualenv (full path)
home            = /var/www/django/ebook

# process-related settings
# master
master          = true
# maximum number of worker processes
processes       = 10

# the socket (use the full path to be safe
socket         = /var/uwsgi/ebook.sock
# ... with appropriate permissions - may be needed
chmod-socket    = 664
uid             = www-data
gid             = www-data
# clear environment on exit
vacuum          = true


no-site         = True
wsgi-file       = /var/www/django/ebook/ebook/wsgi/ebook/controller/wsgi.py
#env             = DJANGO_SETTINGS_MODULE=controller.settings # set an environment variable

这是我的 nginx 配置文件:

# mysite_nginx.conf

# the upstream component nginx needs to connect to
upstream django {
    server unix:///var/uwsgi/ebook.sock; # for a file socket
    #server 127.0.0.1:8000; # for a web port socket (we'll use this first)
}

# configuration of the server
server {
    # the port your site will be served on
    listen      8000;
    # the domain name it will serve for
    server_name IP; #www.domain.com; # substitute your machine's IP address or FQDN
    charset     utf-8;

    # max upload size
    client_max_body_size 75M;   # adjust to taste

    # Django media
    location /media  {
        alias /var/www/django/ebook/ebook/data;  # your Django project's media files - amend as required
    }

    location /static {
        alias /var/www/django/ebook/ebook/wsgi/static/; # your Django project's static files - amend as required
    }

    # Finally, send all non-media requests to the Django server.
    location / {
        include     /var/www/django/ebook/ebook/uwsgi_params; # the uwsgi_params file you installed
    }
}

当我以用户身份运行 uwsgi 时(lucas03)

uwsgi --emperor /etc/uwsgi/vassals --uid www-data --gid www-data

这是输出:

*** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:43:19 2015] ***
compiled with version: 4.7.2 on 14 April 2015 16:47:40
os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015
nodename: zoltan
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 8
current working directory: /var
detected binary path: /usr/local/bin/uwsgi
*** WARNING: you are running uWSGI without its master process manager ***
your processes number limit is 2062113
your memory page size is 4096 bytes
detected max file descriptor number: 1024
*** starting uWSGI Emperor ***
*** has_emperor mode detected (fd: 6) ***
[uWSGI] getting INI configuration from ebook_uwsgi.ini
*** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:43:19 2015] ***
compiled with version: 4.7.2 on 14 April 2015 16:47:40
os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015
nodename: zoltan
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 8
current working directory: /etc/uwsgi/vassals
detected binary path: /usr/local/bin/uwsgi
chdir() to /var/www/django/ebook/ebook/wsgi/ebook/
your processes number limit is 2062113
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
uwsgi socket 0 bound to UNIX address /var/uwsgi/ebook.sock fd 3
Python version: 2.7.3 (default, Mar 13 2014, 11:26:58)  [GCC 4.7.2]
Set PythonHome to /var/www/django/ebook
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0xea41a0
your server socket listen backlog is limited to 100 connections
your mercy for graceful operations on workers is 60 seconds
mapped 800448 bytes (781 KB) for 10 cores
*** Operational MODE: preforking ***
virtualenv is active
WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0xea41a0 pid: 6291 (default app)
mountpoint  already configured. skip.
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 6291)
Tue May 12 20:43:19 2015 - [emperor] vassal ebook_uwsgi.ini has been spawned
spawned uWSGI worker 1 (pid: 6292, cores: 1)
spawned uWSGI worker 2 (pid: 6293, cores: 1)
Tue May 12 20:43:19 2015 - [emperor] vassal ebook_uwsgi.ini is ready to accept requests
spawned uWSGI worker 3 (pid: 6294, cores: 1)
spawned uWSGI worker 4 (pid: 6295, cores: 1)
spawned uWSGI worker 5 (pid: 6296, cores: 1)
spawned uWSGI worker 6 (pid: 6297, cores: 1)
spawned uWSGI worker 7 (pid: 6298, cores: 1)
spawned uWSGI worker 8 (pid: 6299, cores: 1)
spawned uWSGI worker 9 (pid: 6300, cores: 1)
spawned uWSGI worker 10 (pid: 6301, cores: 1)

ebook.sock 被创建:

drwxrwxr-x  2 www-data www-data  3 máj 12 20:43 .
drwxr-xr-x 13 root     root     15 apr 14 16:29 ..
srw-rw-r--  1 lucas03  lucas03   0 máj 12 20:43 ebook.sock

但我得到 502 Bad Gateway .所以我将 ebook.sock 的所有者更改为 www-data sudo chown www-data:www-data ebook.sock ，我的网站已正确加载。好吧，我认为这很棒。现在我只需要运行 uwsgi 以便它可以创建 ebook.sock 作为用户 www-data。
所以我设置 uwsgi to start on startup , 我编辑了 /etc/rc.local .

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
/usr/local/bin/uwsgi --emperor /etc/uwsgi/vassals --uid www-data --gid www-data
exit 0

但是，在我重新启动服务器后，文件 ebook.sock 根本没有创建，尽管 uwsgi 运行。 (我可以在 ps aux | grep uwsgi 中看到它)。所以我认为它的运行方式与我以 root 身份运行该文件相同或相似。
所以我运行文件 /etc/rc.local这是输出:

*** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:57:35 2015] ***
compiled with version: 4.7.2 on 14 April 2015 16:47:40
os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015
nodename: zoltan
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 8
current working directory: /var/uwsgi
detected binary path: /usr/local/bin/uwsgi
setgid() to 33
setuid() to 33
*** WARNING: you are running uWSGI without its master process manager ***
your processes number limit is 2062113
your memory page size is 4096 bytes
detected max file descriptor number: 1024
*** starting uWSGI Emperor ***

由于输出较短，我猜是 /etc/uwsgi/vassals 中的配置文件没有加载，运行皇帝附庸有一些问题。
有人知道为什么吗？

Answer 1

我知道这是个老问题，但是你得到了 502 Bad Gateway因为如果有人调用 /，你没有告诉 nginx 向哪里发送请求.您应该更改 location /到:

# Finally, send all non-media requests to the Django server.
location / {
   uwsgi_pass  django; # <- you miss this part
   include     /var/www/django/ebook/ebook/uwsgi_params;
}

是的，如果您遇到一些文件权限错误，您也应该修复它。