OpenTelemetry Instrumentation for Django
Project description
This library allows tracing requests for Django applications.
Installation
pip install opentelemetry-instrumentation-django
Configuration
Exclude lists
To exclude certain URLs from being tracked, set the environment variable OTEL_PYTHON_DJANGO_EXCLUDED_URLS with comma delimited regexes representing which URLs to exclude.
For example,
export OTEL_PYTHON_DJANGO_EXCLUDED_URLS="client/.*/info,healthcheck"
will exclude requests such as https://site/client/123/info and https://site/xyz/healthcheck.
Request attributes
To extract certain attributes from Django’s request object and use them as span attributes, set the environment variable OTEL_PYTHON_DJANGO_TRACED_REQUEST_ATTRS to a comma delimited list of request attribute names.
For example,
export OTEL_PYTHON_DJANGO_TRACED_REQUEST_ATTRS='path_info,content_type'
will extract path_info and content_type attributes from every traced request and add them as span attritbues.
Django Request object reference: https://docs.djangoproject.com/en/3.1/ref/request-response/#attributes
Request and Response hooks
The instrumentation supports specifying request and response hooks. These are functions that get called back by the instrumentation right after a Span is created for a request and right before the span is finished while processing a response. The hooks can be configured as follows:
def request_hook(span, request):
pass
def response_hook(span, request, response):
pass
DjangoInstrumentation().instrument(request_hook=request_hook, response_hook=response_hook)
References
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