Telemetry handler that creates OpenTelemetry spans from Commanded commands and events.

⚠️⚠️ Warning This project is currently in Alpha status⚠️⚠️

OpentelemetryCommanded currently creates spans for:

• Application Dispatch
• Aggregate Execute
• Event.Handler Handle
• ProcessManager Handle
• EventStore append_to_stream and stream_forward

If available in Hex, the package can be installed by adding opentelemetry_commanded to your list of dependencies in mix.exs:

def deps do
  [
    {:opentelemetry_commanded, "~> 0.1.0"}
  ]
end

Once installed, execute the following function in your application behaviour before your top-level supervisor starts.

# lib/my_app/application.ex
OpentelemetryCommanded.setup()

Then add the OpentelemetryCommanded.Middleware to your Commanded routers

middleware OpentelemetryCommanded.Middleware

https://hexdocs.pm/opentelemetry_commanded.