feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/k8s.io/apiserver/pkg/registry/rest/meta.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package rest
+
+import (
+	"context"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/uuid"
+	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
+)
+
+// FillObjectMetaSystemFields populates fields that are managed by the system on ObjectMeta.
+func FillObjectMetaSystemFields(meta metav1.Object) {
+	meta.SetCreationTimestamp(metav1.Now())
+	meta.SetUID(uuid.NewUUID())
+	meta.SetSelfLink("")
+}
+
+// ValidNamespace returns false if the namespace on the context differs from
+// the resource.  If the resource has no namespace, it is set to the value in
+// the context.
+func ValidNamespace(ctx context.Context, resource metav1.Object) bool {
+	ns, ok := genericapirequest.NamespaceFrom(ctx)
+	if len(resource.GetNamespace()) == 0 {
+		resource.SetNamespace(ns)
+	}
+	return ns == resource.GetNamespace() && ok
+}