Clusterrole and webhook update

Signed-off-by: Bangqi Zhu <bangqizhu@microsoft.com>

api/v1alpha1/ragenging_validation.go

@@ -0,0 +1,36 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+package v1alpha1
+
+import (
+	"context"
+	"fmt"
+
+	admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
+	"k8s.io/klog/v2"
+	"knative.dev/pkg/apis"
+)
+
+func (w *RAGEngine) SupportedVerbs() []admissionregistrationv1.OperationType {
+	return []admissionregistrationv1.OperationType{
+		admissionregistrationv1.Create,
+		admissionregistrationv1.Update,
+	}
+}
+
+func (w *RAGEngine) Validate(ctx context.Context) (errs *apis.FieldError) {
+	base := apis.GetBaseline(ctx)
+	if base == nil {
+		klog.InfoS("Validate creation", "ragengine", fmt.Sprintf("%s/%s", w.Namespace, w.Name))
+		errs = errs.Also(w.validateCreate().ViaField("spec"))
+	}
+	return errs
+}
+
+func (w *RAGEngine) validateCreate() (errs *apis.FieldError) {
+	if w.Spec.InferenceService == nil {
+		errs = errs.Also(apis.ErrGeneric("InferenceService must be specified, not neither", ""))
+	}
+	return errs
+}