Function FromContext

pkg/telemetry/tracing/context.go:34–40

FromContext returns the tracer provider that is attached to the context or returns a noop tracer provider if it does not exist.

(ctx context.Context)

// FromContext returns the tracer provider that is attached to the context
// or returns a noop tracer provider if it does not exist.
func FromContext(ctx context.Context) otrace.TracerProvider {
	v := ctx.Value(tracerProviderKey)
	if v == nil {
		return otrace.NewNoopTracerProvider()
	}
	return v.(otrace.TracerProvider)
}