OpenTelemetry urllib3 Instrumentation

This library allows tracing HTTP requests made by the urllib3 library.

Usage

import urllib3
from opentelemetry.instrumentation.urllib3 import URLLib3Instrumentor

def strip_query_params(url: str) -> str:
    return url.split("?")[0]

URLLib3Instrumentor().instrument(
    # Remove all query params from the URL attribute on the span.
    url_filter=strip_query_params,
)

http = urllib3.PoolManager()
response = http.request("GET", "https://www.example.org/")

Hooks

The urllib3 instrumentation supports extending tracing behavior with the help of request and response hooks. These are functions that are called back by the instrumentation right after a Span is created for a request and right before the span is finished processing a response respectively. The hooks can be configured as follows:

# `request` is an instance of urllib3.connectionpool.HTTPConnectionPool
def request_hook(span, request):
    pass

# `request` is an instance of urllib3.connectionpool.HTTPConnectionPool
# `response` is an instance of urllib3.response.HTTPResponse
def response_hook(span, request, response):
    pass

URLLib3Instrumentor.instrument(
    request_hook=request_hook, response_hook=response_hook)
)

API

class opentelemetry.instrumentation.urllib3.URLLib3Instrumentor(*args, **kwargs)[source]

Bases: opentelemetry.instrumentation.instrumentor.BaseInstrumentor

instrumentation_dependencies()[source]

Return a list of python packages with versions that the will be instrumented.

The format should be the same as used in requirements.txt or setup.py.

For example, if an instrumentation instruments requests 1.x, this method should look like:

def instrumentation_dependencies(self) -> Collection[str]:

return [‘requests ~= 1.0’]

This will ensure that the instrumentation will only be used when the specified library is present in the environment.

Return type

Collection[str]