[docs] update resource initialization (#2844)

* [docs] update resource initialization * Formatting * [docs] handle error case in resource merge * Update manual.md Co-authored-by: Chester Cheung <[email protected]> Co-authored-by: Tyler Yahn <[email protected]>
open-telemetry · Apr 25, 2022 · b8e4241 · b8e4241
1 parent 1eef145
commit b8e4241
Showing 1 changed file with 12 additions and 5 deletions.
diff --git a/website_docs/manual.md b/website_docs/manual.md
@@ -46,15 +46,22 @@ func newExporter(ctx context.Context)  /* (someExporter.Exporter, error) */ {
 }
 
 func newTraceProvider(exp sdktrace.SpanExporter) *sdktrace.TracerProvider {
-    // The service.name attribute is required.
-	resource := resource.NewWithAttributes(
-		semconv.SchemaURL,
-		semconv.ServiceNameKey.String("ExampleService"),
+	// Ensure default SDK resources and the required service name are set.
+	r, err := resource.Merge(
+		resource.Default(),
+		resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceNameKey.String("ExampleService"),
+		)
 	)
+
+	if err != nil {
+		panic(err)
+	}
 
 	return sdktrace.NewTracerProvider(
 		sdktrace.WithBatcher(exp),
-		sdktrace.WithResource(resource),
+		sdktrace.WithResource(r),
 	)
 }