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OpenTelemetry FastAPI Instrumentation

Project description

pypi

This library provides automatic and manual instrumentation of FastAPI web frameworks, instrumenting http requests served by applications utilizing the framework.

auto-instrumentation using the opentelemetry-instrumentation package is also supported.

Installation

pip install opentelemetry-instrumentation-fastapi

Configuration

Exclude lists

To exclude certain URLs from being tracked, set the environment variable OTEL_PYTHON_FASTAPI_EXCLUDED_URLS with comma delimited regexes representing which URLs to exclude.

For example,

export OTEL_PYTHON_FASTAPI_EXCLUDED_URLS="client/.*/info,healthcheck"

will exclude requests such as https://site/client/123/info and https://site/xyz/healthcheck.

Usage

import fastapi
from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor

app = fastapi.FastAPI()

@app.get("/foobar")
async def foobar():
    return {"message": "hello world"}

FastAPIInstrumentor.instrument_app(app)

You can also pass the list of urls to exclude explicitly to the instrumentation call:

FastAPIInstrumentor.instrument_app(app, excluded_urls="client/.*/info,healthcheck")

References

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