OTel Go current LS setup

otel_example.go

func main() {
	// configure headers
	headers := map[string]string{
		"lightstep-access-token": "ls-access-token",
	}
	// configure TLS credentials
	secureOption := otlp.WithTLSCredentials(credentials.NewClientTLSFromCert())

	//configure an OTLP exporter
	exporter, err := otlp.NewExporter(
		secureOption,
		otlp.WithAddress("ingest.lightstep.com:443")
		otlp.WithHeaders(headers),
	)

	// deal with the error
	if err != nil {
		log.Fatalf("failed to create exporter: %w", err)
	}

	// configure resources
	resources := resource.New(
		kv.String("service.name","my-service"),
		kv.String("service.version","1.2.3"),
		kv.String("library.language","go"),
		kv.String("library.version","0.0.1"),
	)

	// then configure a trace provider
	tp, err := trace.NewProvider(
		trace.WithConfig(trace.Config{DefaultSampler: trace.AlwaysSample{}}),
		trace.WithSyncer(exporter),
		trace.WithResource(resources),
	)

	// more errors
	if err != nil {
		log.Fatalf("failed to create trace provider: %w", err)
	}

	// set the global trace provider
	global.SetTraceProvider(tp)
}