func initTracing()

in src/productcatalogservice/server.go [154:176]

• 20 lines of code
• 2 McCabe index (conditional complexity)

func initTracing() error {
	var (
		collectorAddr string
		collectorConn *grpc.ClientConn
	)

	ctx := context.Background()

	mustMapEnv(&collectorAddr, "COLLECTOR_SERVICE_ADDR")
	mustConnGRPC(ctx, &collectorConn, collectorAddr)

	exporter, err := otlptracegrpc.New(
		ctx,
		otlptracegrpc.WithGRPCConn(collectorConn))
	if err != nil {
		log.Warnf("warn: Failed to create trace exporter: %v", err)
	}
	tp := sdktrace.NewTracerProvider(
		sdktrace.WithBatcher(exporter),
		sdktrace.WithSampler(sdktrace.AlwaysSample()))
	otel.SetTracerProvider(tp)
	return err
}