adjust tracing middleware for practical use

pkg/fiber_tracing/fiber_tracing.go

@@ -24,8 +24,7 @@ type Config struct {
 	Version string
 	// Name of an organization providing the service
 	ServiceProvider string
-
-	Exporters []exporters.TraceExporter
+	Exporters       []exporters.TraceExporter
 }
 
 func newResource(config Config) *resource.Resource {

pkg/fiber_tracing/middleware.go

@@ -5,6 +5,7 @@ package fiber_tracing
 // into the package.
 
 import (
+	"git.ma-al.com/maal-libraries/observer/pkg/attr"
 	"github.com/gofiber/fiber/v2"
 	"go.opentelemetry.io/otel"
 	semconv "go.opentelemetry.io/otel/semconv/v1.25.0"
@@ -50,28 +51,27 @@ func new(config ...middlewareConfig) fiber.Handler {
 
 	// Return new handler
 	return func(c *fiber.Ctx) error {
-		spanStartAttributes := trace.WithAttributes(
+		spanStartAttributes := []attr.KeyValue{
 			semconv.HTTPMethod(c.Method()),
 			semconv.HTTPTarget(string(c.Request().RequestURI())),
 			semconv.HTTPRoute(c.Route().Path),
 			semconv.HTTPURL(c.OriginalURL()),
-			semconv.HostIP(c.IP()),
 			semconv.HTTPUserAgent(string(c.Request().Header.UserAgent())),
 			semconv.HTTPRequestContentLength(c.Request().Header.ContentLength()),
 			semconv.HTTPScheme(c.Protocol()),
 			semconv.NetTransportTCP,
-		)
-		spanKind := trace.WithSpanKind(trace.SpanKindServer)
+		}
+		spanStartAttributes = append(spanStartAttributes, attr.ProcessStart()...)
 
 		opts := []trace.SpanStartOption{
-			spanStartAttributes,
-			spanKind,
+			trace.WithAttributes(spanStartAttributes...),
+			trace.WithSpanKind(trace.SpanKindServer),
 		}
 		opts = append(opts, cfg.TracerStartAttributes...)
 
 		otelCtx, span := Tracer.Start(
 			c.UserContext(),
-			c.Method()+" "+c.Route().Path,
+			c.Method()+" "+c.OriginalURL(),
 			opts...,
 		)