Export BuildTemplateData and use it

Signed-off-by: Klaudiusz Fabryczny <klaudiusz.fabryczny@sap.com>

Author: k-fabryczny

internal/controller/plugin/pluginpreset_values_resolver.go

@@ -73,7 +73,24 @@ func (r *PluginPresetReconciler) resolveExpressionsForPreset(
 		return convertToPluginOptionValues(preset.Spec.Plugin.OptionValues), nil
 	}
 
-	templateData, err := r.buildTemplateData(ctx, preset, cluster)
+	tempPlugin := greenhousev1alpha1.Plugin{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      preset.Name,
+			Namespace: preset.Namespace,
+			Labels:    preset.Labels,
+		},
+		Spec: greenhousev1alpha1.PluginSpec{
+			ClusterName: cluster.Name,
+		},
+	}
+
+	greenhouseValuesList, err := helm.GetGreenhouseValues(ctx, r.Client, tempPlugin)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get greenhouse values: %w", err)
+	}
+
+	templateData, err := helm.BuildTemplateData(greenhouseValuesList)
+
 	if err != nil {
 		return nil, fmt.Errorf("failed to build template data: %w", err)
 	}
@@ -371,37 +388,6 @@ func evaluateCELWithObject(expression string, object map[string]any) (any, error
 	return cel.EvaluateWithData(expr, env, evalData)
 }
 
-// buildTemplateData creates the template data map for CEL expression evaluation.
-func (r *PluginPresetReconciler) buildTemplateData(
-	ctx context.Context,
-	preset *greenhousev1alpha1.PluginPreset,
-	cluster *greenhousev1alpha1.Cluster,
-) (map[string]any, error) {
-
-	tempPlugin := greenhousev1alpha1.Plugin{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      preset.Name,
-			Namespace: preset.Namespace,
-			Labels:    preset.Labels,
-		},
-		Spec: greenhousev1alpha1.PluginSpec{
-			ClusterName: cluster.Name,
-		},
-	}
-
-	greenhouseValuesList, err := helm.GetGreenhouseValues(ctx, r.Client, tempPlugin)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get greenhouse values: %w", err)
-	}
-
-	templateData, err := helm.BuildTemplateData(greenhouseValuesList)
-	if err != nil {
-		return nil, fmt.Errorf("failed to build template data: %w", err)
-	}
-
-	return templateData, nil
-}
-
 // applyOverridesToPreset returns a copy of the preset with cluster-specific overrides merged.
 func applyOverridesToPreset(preset *greenhousev1alpha1.PluginPreset, clusterName string) *greenhousev1alpha1.PluginPreset {
 	presetCopy := preset.DeepCopy()