Enables Opentelemetry tracing for vals. Exports two functions, init and traced_handler. init will set up opentelemetry.

For how to use it see this example val.

By default, traces log to the console but if you set HONEYCOMB_API_KEY it'll also push the traces to honeycomb. In the future we can add more export targets for other services. I'm also thinking about making a val to display them.

traced_handler is a wrapper for your handler you can use on an HTTP val. Just pass it your HTTP function and export it as the default and it'll trace every request.

Here's a screenshot of what the honeycomb view of a trace from my connect playing val looks like.

Migrated from folder: lib/tracing