Cannot use otel.library.name in TraceQL

[nabadger]

Hi,

I would like to know if this is possible or not?

Currently I cannot seem to query "otel.library.name" or "otel.library.version", although I can see them as attributes in the trace.

I've tried following https://grafana.com/docs/tempo/latest/traceql/#selecting-spans and I've seen reference that these are intrinsic fields, but other fields of the same type do seem to work.

Thanks

[mdisibio]

Hi, I think this may be the same as #2189 Can you confirm if otel.library.name are actually attributes in the Scope or InstrumentationLibrary by downloading the trace as json? Otherwise there should be no issue accessing them if they are resource-level or span-level attributes (for example service.name and http.status_code work fine)

[nabadger]

In my example, these appear to be under scopeSpans for me.

{
  "scopeSpans": [
    {
      "scope": {
        "name": "opentelemetry.instrumentation.django",
        "version": "0.38b0"
      },
      "spans": [
        { ...
        }
      ]
    }
  ]
}

In Grafana, under Resource Attributes I have:

• otel.library.name = opentelemetry.instrumentation.django
• otel.library.version = 0.38b0

[joe-elliott]

This is due to Grafana rendering these attributes incorrectly. We are asking for them to be fixed here:

grafana/grafana#59607

However, even if Grafana renders these correctly, they are still not referenceable in TraceQL. Currently there is no way to reference any values at the "scope" level.

[nabadger]

Thanks both for the replies :)

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[joe-elliott]

Closing in favor of #2189