added label propagation

Signed-off-by: Arsh Sharma <[email protected]>

Author: RinkiyaKeDad

pkg/controller/instance/controller_reconcile.go

@@ -16,6 +16,7 @@ package instance
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"github.com/go-logr/logr"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
@@ -225,6 +226,7 @@ func (igr *instanceGraphReconciler) handleResourceCreation(
 	if found {
 		if val, ok := annotations["kro.run/propagate-labels"]; ok && val == "true" {
 			igr.log.V(1).Info("Found propage labels annotation")
+			igr.propagateLabelsToResource(resource)
 		}
 	}
 
@@ -240,6 +242,33 @@ func (igr *instanceGraphReconciler) handleResourceCreation(
 	return igr.delayedRequeue(fmt.Errorf("awaiting resource creation completion"))
 }
 
+func (igr *instanceGraphReconciler) propagateLabelsToResource(resource *unstructured.Unstructured) {
+	// Get labels from the RGI
+	rgiLabels, found := igr.runtime.GetInstance().Object["metadata"].(map[string]interface{})["labels"].(map[string]interface{})
+
+	if !found {
+		igr.log.V(1).Info("No user labels found on the RGI for propagation")
+		return
+	}
+
+	userLabels := filterUserLabels(rgiLabels)
+	unstructured.SetNestedStringMap(resource.Object, userLabels, "metadata", "labels")
+	igr.log.V(1).Info("User labels propagated to resource")
+}
+
+// filterUserLabels extracts non-"kro.run/" labels
+func filterUserLabels(labels map[string]interface{}) map[string]string {
+	userLabels := make(map[string]string)
+	for key, value := range labels {
+		if !strings.HasPrefix(key, "kro.run/") {
+			if strValue, ok := value.(string); ok {
+				userLabels[key] = strValue
+			}
+		}
+	}
+	return userLabels
+}
+
 // updateResource handles updates to an existing resource.
 // Currently performs basic state management, but could be extended to include
 // more sophisticated update logic and diffing.