[webhook] Update webhook functions for CR update

This change updates the webhook functions to comply with the new
standard for controller-runtime.

Signed-off-by: Brendan Shephard <[email protected]>

api/v1beta1/heat_webhook.go

@@ -32,6 +32,7 @@ import (
 	ctrl "sigs.k8s.io/controller-runtime"
 	logf "sigs.k8s.io/controller-runtime/pkg/log"
 	"sigs.k8s.io/controller-runtime/pkg/webhook"
+	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
 )
 
 // HeatDefaults -
@@ -89,19 +90,19 @@ func (spec *HeatSpec) Default() {
 var _ webhook.Validator = &Heat{}
 
 // ValidateCreate implements webhook.Validator so a webhook will be registered for the type
-func (r *Heat) ValidateCreate() error {
+func (r *Heat) ValidateCreate() (admission.Warnings, error) {
 	heatlog.Info("validate create", "name", r.Name)
 
 	// TODO(user): fill in your validation logic upon object creation.
-	return nil
+	return nil, nil
 }
 
 // ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
-func (r *Heat) ValidateUpdate(old runtime.Object) error {
+func (r *Heat) ValidateUpdate(old runtime.Object) (admission.Warnings, error) {
 	heatlog.Info("validate update", "name", r.Name)
 	oldHeat, ok := old.(*Heat)
 	if !ok {
-		return apierrors.NewInternalError(
+		return nil, apierrors.NewInternalError(
 			fmt.Errorf("Expected a Heatv1 object, but got %T", oldHeat))
 	}
 
@@ -116,20 +117,20 @@ func (r *Heat) ValidateUpdate(old runtime.Object) error {
 	}
 
 	if errors != nil {
-		return apierrors.NewInvalid(
+		return nil, apierrors.NewInvalid(
 			schema.GroupKind{Group: "heat.openstack.org", Kind: "Heat"},
 			r.Name,
 			errors,
 		)
 	}
 
-	return nil
+	return nil, nil
 }
 
 // ValidateDelete implements webhook.Validator so a webhook will be registered for the type
-func (r *Heat) ValidateDelete() error {
+func (r *Heat) ValidateDelete() (admission.Warnings, error) {
 	heatlog.Info("validate delete", "name", r.Name)
 
 	// TODO(user): fill in your validation logic upon object deletion.
-	return nil
+	return nil, nil
 }