75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
"""
|
|
WSGI config for passbook 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/2.1/howto/deployment/wsgi/
|
|
"""
|
|
import os
|
|
from time import time
|
|
|
|
from django.core.wsgi import get_wsgi_application
|
|
from structlog import get_logger
|
|
|
|
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "passbook.root.settings")
|
|
|
|
class WSGILogger:
|
|
""" This is the generalized WSGI middleware for any style request logging. """
|
|
|
|
def __init__(self, application):
|
|
self.application = application
|
|
self.logger = get_logger('passbook.wsgi')
|
|
|
|
def __healthcheck(self, start_response):
|
|
start_response('204 OK', [])
|
|
return [b'']
|
|
|
|
def __call__(self, environ, start_response):
|
|
start = time()
|
|
status_codes = []
|
|
content_lengths = []
|
|
|
|
if environ.get('HTTP_HOST', '').startswith('kubernetes-healthcheck-host'):
|
|
# Don't log kubernetes health/readiness requests
|
|
return self.__healthcheck(start_response)
|
|
|
|
def custom_start_response(status, response_headers, exc_info=None):
|
|
status_codes.append(int(status.partition(' ')[0]))
|
|
for name, value in response_headers:
|
|
if name.lower() == 'content-length':
|
|
content_lengths.append(int(value))
|
|
break
|
|
return start_response(status, response_headers, exc_info)
|
|
retval = self.application(environ, custom_start_response)
|
|
runtime = int((time() - start) * 10**6)
|
|
content_length = content_lengths[0] if content_lengths else 0
|
|
self.log(status_codes[0], environ, content_length,
|
|
ip_header=None, runtime=runtime)
|
|
return retval
|
|
|
|
def log(self, status_code, environ, content_length, **kwargs):
|
|
"""
|
|
Apache log format 'NCSA extended/combined log':
|
|
"%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\""
|
|
see http://httpd.apache.org/docs/current/mod/mod_log_config.html#formats
|
|
"""
|
|
ip_header = kwargs.get('ip_header', None)
|
|
if ip_header:
|
|
host = environ.get(ip_header, '')
|
|
else:
|
|
host = environ.get('REMOTE_ADDR', '')
|
|
query_string = ''
|
|
if environ.get('QUERY_STRING') != '':
|
|
query_string = f"?{environ.get('QUERY_STRING')}"
|
|
self.logger.info(f"{environ.get('PATH_INFO', '')}{query_string}",
|
|
host=host,
|
|
method=environ.get('REQUEST_METHOD', ''),
|
|
protocol=environ.get('SERVER_PROTOCOL', ''),
|
|
status=status_code,
|
|
size=content_length / 1000 if content_length > 0 else '-',
|
|
runtime=kwargs.get('runtime'))
|
|
|
|
|
|
application = WSGILogger(get_wsgi_application())
|