Tidied up redundant code.

Signed-off-by: Aryan <gorwadearyan@gmail.com>

Author: aryangorwade

internal/webhook/apps/v1alpha1/nimcache_webhook.go

@@ -82,17 +82,6 @@ func (v *NIMCacheCustomValidator) ValidateCreate(_ context.Context, obj runtime.
 // ValidateUpdate implements webhook.CustomValidator so a webhook will be registered for the type NIMCache.
 // Check immutable fields haven't changed, validate transitions between states, ensure updates don't break existing functionality.
 func (v *NIMCacheCustomValidator) ValidateUpdate(_ context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) {
-	nimcache, ok := newObj.(*appsv1alpha1.NIMCache)
-	if !ok {
-		return nil, fmt.Errorf("expected a NIMCache object for the newObj but got %T", newObj)
-	}
-	nimcachelog.V(4).Info("Validation for NIMCache upon update", "name", nimcache.GetName())
-
-	fldPath := field.NewPath("nimcache").Child("spec")
-
-	// Begin by validating the new spec structurally.
-	errList := validateNIMCacheSpec(&nimcache.Spec, fldPath)
-
 	oldNIMCache, ok := oldObj.(*appsv1alpha1.NIMCache)
 	if !ok {
 		return nil, fmt.Errorf("expected a NIMCache object for oldObj but got %T", oldObj)
@@ -101,6 +90,12 @@ func (v *NIMCacheCustomValidator) ValidateUpdate(_ context.Context, oldObj, newO
 	if !ok {
 		return nil, fmt.Errorf("expected a NIMCache object for newObj but got %T", newObj)
 	}
+	nimcachelog.V(4).Info("Validation for NIMCache upon update", "name", newNIMCache.GetName())
+
+	fldPath := field.NewPath("nimcache").Child("spec")
+
+	// Begin by validating the new spec structurally.
+	errList := validateNIMCacheSpec(&newNIMCache.Spec, fldPath)
 
 	// Append immutability errors after structural checks.
 	errList = append(errList, validateImmutableNIMCacheSpec(oldNIMCache, newNIMCache, field.NewPath("nimcache"))...)

internal/webhook/apps/v1alpha1/nimservice_webhook.go

@@ -106,19 +106,6 @@ func (v *NIMServiceCustomValidator) ValidateCreate(_ context.Context, obj runtim
 
 // ValidateUpdate implements webhook.CustomValidator so a webhook will be registered for the type NIMService.
 func (v *NIMServiceCustomValidator) ValidateUpdate(_ context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) {
-	nimservice, ok := newObj.(*appsv1alpha1.NIMService)
-	if !ok {
-		return nil, fmt.Errorf("expected a NIMService object for the newObj but got %T", newObj)
-	}
-	nimservicelog.V(4).Info("Validation for NIMService upon update", "name", nimservice.GetName())
-
-	fldPath := field.NewPath("nimservice").Child("spec")
-	// Start with structural validation to ensure the updated object is well formed.
-	errList := validateNIMServiceSpec(&nimservice.Spec, fldPath, v.k8sVersion)
-
-	// All fields of NIMService.Spec are mutable, except for:
-	// - Spec.MultiNode
-	// - If PVC has been created with PVC.Create = true, reject any updates to any fields of PVC object
 	oldNIMService, ok := oldObj.(*appsv1alpha1.NIMService)
 	if !ok {
 		return nil, fmt.Errorf("expected a NIMService object for oldObj but got %T", oldObj)
@@ -127,7 +114,15 @@ func (v *NIMServiceCustomValidator) ValidateUpdate(_ context.Context, oldObj, ne
 	if !ok {
 		return nil, fmt.Errorf("expected a NIMService object for newObj but got %T", newObj)
 	}
+	nimservicelog.V(4).Info("Validation for NIMService upon update", "name", newNIMService.GetName())
+
+	fldPath := field.NewPath("nimservice").Child("spec")
+	// Start with structural validation to ensure the updated object is well formed.
+	errList := validateNIMServiceSpec(&newNIMService.Spec, fldPath, v.k8sVersion)
 
+	// All fields of NIMService.Spec are mutable, except for:
+	// - Spec.MultiNode
+	// - If PVC has been created with PVC.Create = true, reject any updates to any fields of PVC object
 	errList = append(errList, validateMultiNodeImmutability(oldNIMService, newNIMService, field.NewPath("spec").Child("multiNode"))...)
 	errList = append(errList, validatePVCImmutability(oldNIMService, newNIMService, field.NewPath("spec").Child("storage").Child("pvc"))...)
 	errList = append(errList, validateDRAResourceImmutability(oldNIMService, newNIMService, field.NewPath("spec").Child("draResources"))...)