def get_request_data_from_django():
"""Get http_request and trace data from django request headers.
Returns:
Tuple[Optional[dict], Optional[str], Optional[str], bool]:
Data related to the current http request, trace_id, span_id, and trace_sampled
for the request. All fields will be None if a django request isn't found.
"""
request = _get_django_request()
if request is None:
return None, None, None, False
# build http_request
http_request = {
"requestMethod": request.method,
"requestUrl": request.build_absolute_uri(),
"userAgent": request.META.get(_DJANGO_USERAGENT_HEADER),
"protocol": request.META.get(_PROTOCOL_HEADER),
}
# find trace id and span id
# first check for w3c traceparent header
header = request.META.get(_DJANGO_TRACEPARENT)
trace_id, span_id, trace_sampled = _parse_trace_parent(header)
if trace_id is None:
# traceparent not found. look for xcloud_trace_context header
header = request.META.get(_DJANGO_XCLOUD_TRACE_HEADER)
trace_id, span_id, trace_sampled = _parse_xcloud_trace(header)
return http_request, trace_id, span_id, trace_sampled
def get_request_data_from_django():
"""Get http_request and trace data from django request headers.
Returns:
Tuple[Optional[dict], Optional[str]]:
Data related to the current http request and the trace_id for the
request. Both fields will be None if a django request isn't found.
"""
request = _get_django_request()
if request is None:
return None, None
# build http_request
http_request = {
"requestMethod": request.method,
"requestUrl": request.build_absolute_uri(),
"requestSize": len(request.body),
"userAgent": request.META.get(_DJANGO_USERAGENT_HEADER),
"remoteIp": request.META.get(_DJANGO_REMOTE_ADDR_HEADER),
"referer": request.META.get(_DJANGO_REFERER_HEADER),
"protocol": request.META.get(_PROTOCOL_HEADER),
}
# find trace id
trace_id = None
header = request.META.get(_DJANGO_TRACE_HEADER)
if header:
trace_id = header.split("/", 1)[0]
return http_request, trace_id
def test_process_request(self):
from django.test import RequestFactory
from google.cloud.logging_v2.handlers.middleware import request
middleware = self._make_one()
mock_request = RequestFactory().get("/")
middleware.process_request(mock_request)
django_request = request._get_django_request()
self.assertEqual(django_request, mock_request)
def get_trace_id_from_django():
"""Get trace_id from django request headers.
Returns:
str: TraceID in HTTP request headers.
"""
request = _get_django_request()
if request is None:
return None
header = request.META.get(_DJANGO_TRACE_HEADER)
if header is None:
return None
trace_id = header.split("/", 1)[0]
return trace_id
def get_request_data_from_django():
"""Get http_request and trace data from django request headers.
Returns:
Tuple[Optional[dict], Optional[str], Optional[str]]:
Data related to the current http request, trace_id, and span_id for
the request. All fields will be None if a django request isn't
found.
"""
request = _get_django_request()
if request is None:
return None, None, None
# convert content_length to int if it exists
content_length = None
try:
content_length = int(request.META.get(_DJANGO_CONTENT_LENGTH))
except (ValueError, TypeError):
content_length = None
# build http_request
http_request = {
"requestMethod": request.method,
"requestUrl": request.build_absolute_uri(),
"requestSize": content_length,
"userAgent": request.META.get(_DJANGO_USERAGENT_HEADER),
"remoteIp": request.META.get(_DJANGO_REMOTE_ADDR_HEADER),
"referer": request.META.get(_DJANGO_REFERER_HEADER),
"protocol": request.META.get(_PROTOCOL_HEADER),
}
# find trace id and span id
header = request.META.get(_DJANGO_TRACE_HEADER)
trace_id, span_id = _parse_trace_span(header)
return http_request, trace_id, span_id
def _call_fut():
from google.cloud.logging_v2.handlers.middleware import request
return request._get_django_request()