let span_exporter = opentelemetry_otlp::SpanExporter::builder()
        .with_tonic()
        .with_endpoint(otel_endpoint)
        .build()
        .expect("could not build span exporter");
    let trace_config = opentelemetry_sdk::trace::Config::default()
        .with_sampler(ChromaShouldSample)
        .with_resource(resource.clone());
    let tracer_provider = opentelemetry_sdk::trace::TracerProvider::builder()
        .with_batch_exporter(span_exporter, opentelemetry_sdk::runtime::Tokio)
        .with_config(trace_config)
        .build();
    let tracer = tracer_provider.tracer(service_name.clone());