Trouble deploying Django (project folder, wsgi.py and libapache2-mod-wsgi)
drone4four
I’m having some issues deploying Django.
Here is my site: https://daniel496.agency/
I’m running a Digital Ocean Droplet with Ubuntu 14.04 and Python v3.4 with Django 2.0.2 installed.
In this post first I share what errors I am encountering, then what I think is the issue is and then what I’ve tried to resolve the issue. At the end of this post are my configuration files like ssl.conf and wsgi.py.
Before I begin, I think the issue might involve the naming of my project folders. My project folder on my local machine is named: `first_project_attempt`. But on my remote server, the project folder is named, `cel2fah`. I copied the contents locally to my remote host and now trying to iron out the issues.
Here I go. If you access my site linked to above, right now it is showing:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at <user>@gmail.com to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Apache/2.4.7 (Ubuntu) Server at daniel496.agency Port 443
Here are the last ~50 lines of my apache error log file: https://pastebin.com/UPsTmf28
I’m thinking that there could be a potential conflict between libapache2-mod-wsgi and libapache2-mod-wsgi-py3. I encountered a similar issue a few weeks ago. There are apparently still traces of libapache2-mod-wsgi (for Python 2.7) still flagged as active on my system given that $ sudo dpkg -s libapache2-mod-wsgi prints:
Package: libapache2-mod-wsgi
Status: deinstall ok config-files
Priority: optional
Section: httpd
Installed-Size: 242
Maintainer: Ubuntu Developers <ubuntu-dev...@lists.ubuntu.com>
Architecture: amd64
Source: mod-wsgi
Version: 3.4-4ubuntu2.1.14.04.2
Config-Version: 3.4-4ubuntu2.1.14.04.2
Provides: httpd-wsgi
Depends: libc6 (>= 2.14), libpython2.7 (>= 2.7), apache2-api-20120211, python (>= 2.7), python (<< 2.8)
Conffiles:
/etc/apache2/mods-available/wsgi.load 06d2b4d2c95b28720f324bd650b7cbd6 obsolete
/etc/apache2/mods-available/wsgi.conf c4ca5be35d0820b5d5cc2892097b476b obsolete
Description: Python WSGI adapter module for Apache
The mod_wsgi adapter is an Apache module that provides a WSGI (Web Server
Gateway Interface, a standard interface between web server software and
web applications written in Python) compliant interface for hosting Python
based web applications within Apache. The adapter provides significantly
better performance than using existing WSGI adapters for mod_python or CGI.
.
This package provides module for Python 2.X.
Homepage: http://www.modwsgi.org/
Original-Maintainer: Debian Python Modules Team <python-mo...@lists.alioth.debian.org>
However when I go to remove it, it says it’s not installed:
$ sudo apt remove libapache2-mod-wsgi
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'libapache2-mod-wsgi' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 44 not upgraded.
More to the point, when invoking this as root:
apache2ctl -t -D DUMP_MODULES
...it lists what modules apache2 has loaded. And libapache2-mod-wsgi (for Python version 2) is included. So I Google ‘how to remove apache modules’ which turns up this SO post: https://stackoverflow.com/questions/9288865/how-can-i-uninstall-an-apache2-module
So I set out to rename my libapache2-mod-wsgi.so (for Python version 2) from my apache2 modules directory inside /usr/lib. I see a symlink mod_wsgi.so which refers to mod_wsgi.so-3.4:
<user>@<host>:/usr/lib/apache2/modules$ ls -la mod_wsgi*
lrwxrwxrwx 1 root root 15 Nov 18 2014 mod_wsgi.so -> mod_wsgi.so-3.4
-rw-r--r-- 1 root root 174448 Nov 18 2014 mod_wsgi.so-3.4
<user>@<host>:/usr/lib/apache2/modules$
So is my Apache serving the libapache2-mod-wsgi module for python2 or just for python3 or what?
What else can you people determine could be the issue here?
Here is my wsgi.py:
"""
WSGI config for first_project_attempt project.
It exposes the WSGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
"""
import os
import sys
from django.core.wsgi import get_wsgi_application
sys.path.append('/home/tranq/cel2fah/cel2fah')
# NEW:
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cel2fah.settings")
# OLD:
# os.environ.setdefault("DJANGO_SETTINGS_MODULE", "first_project_attempt.settings")
application = get_wsgi_application()
And my ssl.conf:
<IfModule mod_ssl.c><VirtualHost *:443>
ServerAdmin <user>@gmail.com
ServerName daniel496.agency
ServerAlias www.daniel496.agency
# DocumentRoot /var/www/html/daniel496.agency/public_html
# ErrorLog ${APACHE_LOG_DIR}/error.log
ErrorLog ${APACHE_LOG_DIR}/daniel496/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
# Django project
Alias /static /home/tranq/cel2fah/static
<Directory /home/tranq/cel2fah/static>
Require all granted
</Directory>
<Directory /home/tranq/cel2fah/cel2fah>
<Files wsgi.py>
Require all granted
</Files>
</Directory>
WSGIDaemonProcess cel2fah2 python-home=/home/tranq/cel2fah/venv
WSGIProcessGroup cel2fah2
WSGIScriptAlias / /home/tranq/cel2fah/cel2fah/wsgi.py
Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateFile /etc/letsencrypt/live/daniel496.agency/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/daniel496.agency/privkey.pem
SSLCertificateChainFile /etc/letsencrypt/live/daniel496.agency/chain.pem
</VirtualHost>
</IfModule>
Thanks for your attention.
