Export NoopTracer

[GregLahaye]

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Is your feature request related to a problem? Please describe.

Export NoopTracer.

We have a Tracer that we export for use in instrumenting our application, however we would like to disable tracing in certain situations.

Describe the solution you'd like

A solution that would work for us would to use the NoopTracer in these scenarios to avoid creating/exporting traces, while still having a (no-op) Tracer that can be made use of.

Describe alternatives you've considered

Another work-around would to to shutdown the exporter but I'd rather be able to avoid creating a real tracer in the first place.

Additional context

Example use in our application:

telemetry.ts

let tracer: Tracer;
if (telemetryEnabled) {
  tracer = NoopTracer();
} else {
  // set up real tracer
}

app.ts

import {tracer} from "./telemetry";

tracer.startSpan();
// instrument app

I'd be happy to put up a PR to add this change.

[Flarna]

What about not registering a global TracerProvider?

your solution will only disable traces in your code part but other instrumentations (like http) will continue to create spans as they create their own Tracer.

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This issue was closed because it has been stale for 14 days with no activity.