问向newRelic输出开放式遥测数据的问题

EN

var headers = map[string]string{
    "api-key": "my newRelc API key",
}

var clientOpts = []otlptracegrpc.Option{
    otlptracegrpc.WithEndpoint("https://otlp.nr-data.net:4317"),
    otlptracegrpc.WithInsecure(),
    otlptracegrpc.WithReconnectionPeriod(2 * time.Second),
    otlptracegrpc.WithDialOption(grpc.WithBlock()),
    otlptracegrpc.WithTimeout(30 * time.Second),
    otlptracegrpc.WithHeaders(headers),
    otlptracegrpc.WithCompressor("gzip"),
}

otlpExporter, err := otlptrace.New(ctx, otlptracegrpc.NewClient(clientOpts...))
if err != nil {
    return nil, fmt.Errorf("creating OTLP trace exporter: %w", err)
}

resource, _ := g.Config.resource(ctx)
tracerProvider := trace.NewTracerProvider(
    trace.WithSampler(trace.AlwaysSample()),
    trace.WithBatcher(otlpExporter),
    trace.WithResource(resource),
)

otel.SetTracerProvider(tracerProvider)