Otel Python and Flask 3.0.0

Prerequisites

• Docker
• docker-compose

To run - bootstrapped

docker-compose -f docker-compose.bootstrap.yml up

The call to opentelemetry-bootstrap will log in the foreground this skipping of the Flask instrumentor installation: instrumentation for package flask<3.0,>=1.0 is available but version flask==3.0.0 is installed. Skipping.

The app will still load and Otel API is still usable by the application code.

To request - bootstrapped

curl -v http://0.0.0.0:5000/test/

The resulting trace exported to console will include one INTERNAL span for the call to Otel API, but will be missing the SERVER span expected of auto-instrumentation of a Flask app.

To run - manual instrumentation

docker-compose -f docker-compose.incode.yml up

The call to pip install opentelemetry-instrumentation-flask will log in the foreground this conflict message: DependencyConflict: requested: "flask >= 1.0, < 3.0" but found: "flask 3.0.0"

The app will again still load and Otel API is still usable by the application code.

To request - manual instrumentation

curl -v http://0.0.0.0:5001/test/

As with the bootstrapped app, the resulting trace exported to console will include one INTERNAL span for the call to Otel API, but will be missing the SERVER span expected of auto-instrumentation of a Flask app.