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It's common for a broken settings.py file to result in Django not starting, thus never writing to `/var/log/zulip/errors.log`. Such behavior can be discouraging when the server 500s without a traceback to accompany it. To fix this, we simply catch any exceptions in django.setup(), if raised, and log the exception appropriately. Comments tweaked by tabbott. Closes: #7032.
53 lines
2.0 KiB
Python
53 lines
2.0 KiB
Python
"""
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WSGI config for zulip project.
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This module contains the WSGI application used by Django's development server
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and any production WSGI deployments. It should expose a module-level variable
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named ``application``. Django's ``runserver`` and ``runfcgi`` commands discover
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this application via the ``WSGI_APPLICATION`` setting.
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Usually you will have the standard Django WSGI application here, but it also
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might make sense to replace the whole Django WSGI application with a custom one
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that later delegates to the Django one. For example, you could introduce WSGI
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middleware here, or combine a Django application with an application of another
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framework.
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"""
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import os
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import sys
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BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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sys.path.append(BASE_DIR)
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import scripts.lib.setup_path_on_import
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "zproject.settings")
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import django
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try:
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django.setup()
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except Exception as e:
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# If /etc/zulip/settings.py contains invalid syntax, Django
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# initialization will fail in django.setup(). In this case, our
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# normal configuration to logs errors to /var/log/zulip/errors.log
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# won't have been initialized. Since it's really valuable for the
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# debugging process for a Zulip 500 error to always be "check
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# /var/log/zulip/errors.log", we log to that file directly here.
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import logging
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logging.basicConfig(filename='/var/log/zulip/errors.log', level=logging.INFO,
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format='%(asctime)s %(levelname)s %(name)s %(message)s')
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logger = logging.getLogger(__name__)
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logger.exception(e)
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raise
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# Because import_module does not correctly handle safe circular imports we
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# need to import zerver.models first before the middleware tries to import it.
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import zerver.models
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zerver.models
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# This application object is used by any WSGI server configured to use this
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# file. This includes Django's development server, if the WSGI_APPLICATION
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# setting points here.
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from django.core.wsgi import get_wsgi_application
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application = get_wsgi_application()
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