feat: add crd gen

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

vendor/k8s.io/apiserver/pkg/admission/attributes.go

@@ -0,0 +1,146 @@
+/*
+Copyright 2014 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 admission
+
+import (
+	"fmt"
+	"strings"
+	"sync"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/validation"
+	"k8s.io/apiserver/pkg/authentication/user"
+)
+
+type attributesRecord struct {
+	kind        schema.GroupVersionKind
+	namespace   string
+	name        string
+	resource    schema.GroupVersionResource
+	subresource string
+	operation   Operation
+	dryRun      bool
+	object      runtime.Object
+	oldObject   runtime.Object
+	userInfo    user.Info
+
+	// other elements are always accessed in single goroutine.
+	// But ValidatingAdmissionWebhook add annotations concurrently.
+	annotations     map[string]string
+	annotationsLock sync.RWMutex
+}
+
+func NewAttributesRecord(object runtime.Object, oldObject runtime.Object, kind schema.GroupVersionKind, namespace, name string, resource schema.GroupVersionResource, subresource string, operation Operation, dryRun bool, userInfo user.Info) Attributes {
+	return &attributesRecord{
+		kind:        kind,
+		namespace:   namespace,
+		name:        name,
+		resource:    resource,
+		subresource: subresource,
+		operation:   operation,
+		dryRun:      dryRun,
+		object:      object,
+		oldObject:   oldObject,
+		userInfo:    userInfo,
+	}
+}
+
+func (record *attributesRecord) GetKind() schema.GroupVersionKind {
+	return record.kind
+}
+
+func (record *attributesRecord) GetNamespace() string {
+	return record.namespace
+}
+
+func (record *attributesRecord) GetName() string {
+	return record.name
+}
+
+func (record *attributesRecord) GetResource() schema.GroupVersionResource {
+	return record.resource
+}
+
+func (record *attributesRecord) GetSubresource() string {
+	return record.subresource
+}
+
+func (record *attributesRecord) GetOperation() Operation {
+	return record.operation
+}
+
+func (record *attributesRecord) IsDryRun() bool {
+	return record.dryRun
+}
+
+func (record *attributesRecord) GetObject() runtime.Object {
+	return record.object
+}
+
+func (record *attributesRecord) GetOldObject() runtime.Object {
+	return record.oldObject
+}
+
+func (record *attributesRecord) GetUserInfo() user.Info {
+	return record.userInfo
+}
+
+// getAnnotations implements privateAnnotationsGetter.It's a private method used
+// by WithAudit decorator.
+func (record *attributesRecord) getAnnotations() map[string]string {
+	record.annotationsLock.RLock()
+	defer record.annotationsLock.RUnlock()
+
+	if record.annotations == nil {
+		return nil
+	}
+	cp := make(map[string]string, len(record.annotations))
+	for key, value := range record.annotations {
+		cp[key] = value
+	}
+	return cp
+}
+
+func (record *attributesRecord) AddAnnotation(key, value string) error {
+	if err := checkKeyFormat(key); err != nil {
+		return err
+	}
+
+	record.annotationsLock.Lock()
+	defer record.annotationsLock.Unlock()
+
+	if record.annotations == nil {
+		record.annotations = make(map[string]string)
+	}
+	if v, ok := record.annotations[key]; ok && v != value {
+		return fmt.Errorf("admission annotations are not allowd to be overwritten, key:%q, old value: %q, new value:%q", key, record.annotations[key], value)
+	}
+	record.annotations[key] = value
+	return nil
+}
+
+func checkKeyFormat(key string) error {
+	parts := strings.Split(key, "/")
+	if len(parts) != 2 {
+		return fmt.Errorf("annotation key has invalid format, the right format is a DNS subdomain prefix and '/' and key name. (e.g. 'podsecuritypolicy.admission.k8s.io/admit-policy')")
+	}
+	if msgs := validation.IsQualifiedName(key); len(msgs) != 0 {
+		return fmt.Errorf("annotation key has invalid format %s. A qualified name like 'podsecuritypolicy.admission.k8s.io/admit-policy' is required.", strings.Join(msgs, ","))
+	}
+	return nil
+}