Ruby SDK basic OTEL Support

[vladanpaunovic]

We've published the sentry OpenTelemetry gem! Docs here: https://docs.sentry.io/platforms/ruby/performance/instrumentation/opentelemetry/. Please give it a try and let us know what you think!

Need to spec out what would be needed in individual SDK to enable span processing

• for reference the hack week project in the Sentry ruby SDK

Details

• SDK develop spec feat: Initial OpenTelemetry Spec develop#686
• span processor - transforming OTEL spans into Sentry spans within Sentry transactions
  • span name and description
  • parent child relationships
• trace/context propagator - including DSC and trace context
  • https://opentelemetry.io/docs/reference/specification/context/api-propagators/

Open points:

• OTEL support gRPC, Sentry only HTTP

• could have broken child parent relations due to transactions ending

• which Sentry instrumentation needs to be turned off? And how (default, top level options, ...)

• Add documentation feat(otel): Add docs for Ruby OpenTelemetry sentry-docs#5856