Experiment: Migrating OpenTracing-based application in Go to use the OpenTelemetry SDK

TL;DR: This post explains how Jaeger’s 🚗 HotROD 🚗 app was migrated to the OpenTelemetry SDK. Jaeger’s HotROD demo has been around for a few years. It was written with OpenTracing-based instrumentation, including a couple of OSS libraries for HTTP and gRPC middleware, and used Jaeger’s native SDK for Go, jaeger-client-go .