rebase: bump k8s.io/kubernetes from 1.26.2 to 1.27.2

Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2.
- [Release notes](https://github.com/kubernetes/kubernetes/releases)
- [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2)

---
updated-dependencies:
- dependency-name: k8s.io/kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/k8s.io/apiserver/pkg/apis/audit/install/install.go

@@ -0,0 +1,33 @@
+/*
+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 install installs the experimental API group, making it available as
+// an option to all of the API encoding/decoding machinery.
+package install
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/apiserver/pkg/apis/audit"
+	"k8s.io/apiserver/pkg/apis/audit/v1"
+)
+
+// Install registers the API group and adds types to a scheme
+func Install(scheme *runtime.Scheme) {
+	utilruntime.Must(audit.AddToScheme(scheme))
+	utilruntime.Must(v1.AddToScheme(scheme))
+	utilruntime.Must(scheme.SetVersionPriority(v1.SchemeGroupVersion))
+}

vendor/k8s.io/apiserver/pkg/apis/audit/validation/validation.go

@@ -0,0 +1,133 @@
+/*
+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 validation
+
+import (
+	"strings"
+
+	"k8s.io/apimachinery/pkg/api/validation"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/apiserver/pkg/apis/audit"
+)
+
+// ValidatePolicy validates the audit policy
+func ValidatePolicy(policy *audit.Policy) field.ErrorList {
+	var allErrs field.ErrorList
+	allErrs = append(allErrs, validateOmitStages(policy.OmitStages, field.NewPath("omitStages"))...)
+	rulePath := field.NewPath("rules")
+	for i, rule := range policy.Rules {
+		allErrs = append(allErrs, validatePolicyRule(rule, rulePath.Index(i))...)
+	}
+	return allErrs
+}
+
+func validatePolicyRule(rule audit.PolicyRule, fldPath *field.Path) field.ErrorList {
+	var allErrs field.ErrorList
+	allErrs = append(allErrs, validateLevel(rule.Level, fldPath.Child("level"))...)
+	allErrs = append(allErrs, validateNonResourceURLs(rule.NonResourceURLs, fldPath.Child("nonResourceURLs"))...)
+	allErrs = append(allErrs, validateResources(rule.Resources, fldPath.Child("resources"))...)
+	allErrs = append(allErrs, validateOmitStages(rule.OmitStages, fldPath.Child("omitStages"))...)
+
+	if len(rule.NonResourceURLs) > 0 {
+		if len(rule.Resources) > 0 || len(rule.Namespaces) > 0 {
+			allErrs = append(allErrs, field.Invalid(fldPath.Child("nonResourceURLs"), rule.NonResourceURLs, "rules cannot apply to both regular resources and non-resource URLs"))
+		}
+	}
+
+	return allErrs
+}
+
+var validLevels = []string{
+	string(audit.LevelNone),
+	string(audit.LevelMetadata),
+	string(audit.LevelRequest),
+	string(audit.LevelRequestResponse),
+}
+
+var validOmitStages = []string{
+	string(audit.StageRequestReceived),
+	string(audit.StageResponseStarted),
+	string(audit.StageResponseComplete),
+	string(audit.StagePanic),
+}
+
+func validateLevel(level audit.Level, fldPath *field.Path) field.ErrorList {
+	switch level {
+	case audit.LevelNone, audit.LevelMetadata, audit.LevelRequest, audit.LevelRequestResponse:
+		return nil
+	case "":
+		return field.ErrorList{field.Required(fldPath, "")}
+	default:
+		return field.ErrorList{field.NotSupported(fldPath, level, validLevels)}
+	}
+}
+
+func validateNonResourceURLs(urls []string, fldPath *field.Path) field.ErrorList {
+	var allErrs field.ErrorList
+	for i, url := range urls {
+		if url == "*" {
+			continue
+		}
+
+		if !strings.HasPrefix(url, "/") {
+			allErrs = append(allErrs, field.Invalid(fldPath.Index(i), url, "non-resource URL rules must begin with a '/' character"))
+		}
+
+		if url != "" && strings.ContainsRune(url[:len(url)-1], '*') {
+			allErrs = append(allErrs, field.Invalid(fldPath.Index(i), url, "non-resource URL wildcards '*' must be the final character of the rule"))
+		}
+	}
+	return allErrs
+}
+
+func validateResources(groupResources []audit.GroupResources, fldPath *field.Path) field.ErrorList {
+	var allErrs field.ErrorList
+	for _, groupResource := range groupResources {
+		// The empty string represents the core API group.
+		if len(groupResource.Group) != 0 {
+			// Group names must be lower case and be valid DNS subdomains.
+			// reference: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md
+			// an error is returned for group name like rbac.authorization.k8s.io/v1beta1
+			// rbac.authorization.k8s.io is the valid one
+			if msgs := validation.NameIsDNSSubdomain(groupResource.Group, false); len(msgs) != 0 {
+				allErrs = append(allErrs, field.Invalid(fldPath.Child("group"), groupResource.Group, strings.Join(msgs, ",")))
+			}
+		}
+
+		if len(groupResource.ResourceNames) > 0 && len(groupResource.Resources) == 0 {
+			allErrs = append(allErrs, field.Invalid(fldPath.Child("resourceNames"), groupResource.ResourceNames, "using resourceNames requires at least one resource"))
+		}
+	}
+	return allErrs
+}
+
+func validateOmitStages(omitStages []audit.Stage, fldPath *field.Path) field.ErrorList {
+	var allErrs field.ErrorList
+	for i, stage := range omitStages {
+		valid := false
+		for _, validOmitStage := range validOmitStages {
+			if string(stage) == validOmitStage {
+				valid = true
+				break
+			}
+		}
+		if !valid {
+			allErrs = append(allErrs, field.Invalid(fldPath.Index(i), string(stage), "allowed stages are "+strings.Join(validOmitStages, ",")))
+		}
+	}
+	return allErrs
+}