fastapi-otel

Instrumented FastAPI application using OpenTelemetry and Jaeger.

Quick Start

1. Install the required project dependencies: make venv

2. Start the Jaeger backend service:

   docker run -d --name jaeger \
     -e COLLECTOR_ZIPKIN_HOST_PORT=:9411 \
     -p 6831:6831/udp \
     -p 6832:6832/udp \
     -p 5778:5778 \
     -p 16686:16686 \
     -p 4317:4317 \
     -p 4318:4318 \
     -p 14250:14250 \
     -p 14268:14268 \
     -p 14269:14269 \
     -p 9411:9411 \
     jaegertracing/all-in-one:1.54

3. Start the instrumented FastAPI service:

   opentelemetry-instrument --service_name dummy_app uvicorn fastapi_otel.main:app

4. Send requests to the FastAPI application: http://localhost:8000/docs

5. Check the traces from the Jaeger UI: http://localhost:16686

Jaeger UI screenshots

Homepage:

Root trace:

I/O task trace:

Error test trace: