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https://github.com/k3s-io/kubernetes.git
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Add feature gate for CustomResourceValidation
update feature gates for generic apiserver Add apiextensions-apiserver features to golint_failures Ignore alpha feature if gate is disabled
This commit is contained in:
Nikhita Raghunath
parent
ccb8554dd8
commit
6ba1523a8e
@ -548,6 +548,7 @@ staging/src/k8s.io/apiextensions-apiserver/pkg/client/informers/internalversion/
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staging/src/k8s.io/apiextensions-apiserver/pkg/cmd/server
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staging/src/k8s.io/apiextensions-apiserver/pkg/controller/finalizer
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staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status
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staging/src/k8s.io/apiextensions-apiserver/pkg/features
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staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource
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staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition
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staging/src/k8s.io/apiextensions-apiserver/test/integration/testserver
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@ -9,6 +9,7 @@ go_library(
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name = "go_default_library",
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srcs = ["kube_features.go"],
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deps = [
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"//vendor/k8s.io/apiextensions-apiserver/pkg/features:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/features:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
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],
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@ -17,6 +17,7 @@ limitations under the License.
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package features
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import (
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apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
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genericfeatures "k8s.io/apiserver/pkg/features"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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)
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@ -44,13 +45,6 @@ const (
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// alpha: v1.4
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DynamicKubeletConfig utilfeature.Feature = "DynamicKubeletConfig"
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// owner: tallclair
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// alpha: v1.5
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//
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// StreamingProxyRedirects controls whether the apiserver should intercept (and follow)
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// redirects from the backend (Kubelet) for streaming requests (exec/attach/port-forward).
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StreamingProxyRedirects utilfeature.Feature = genericfeatures.StreamingProxyRedirects
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// owner: @pweil-
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// alpha: v1.5
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//
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@ -158,11 +152,16 @@ var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureS
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DebugContainers: {Default: false, PreRelease: utilfeature.Alpha},
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PodPriority: {Default: false, PreRelease: utilfeature.Alpha},
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EnableEquivalenceClassCache: {Default: false, PreRelease: utilfeature.Alpha},
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TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},
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// inherited features from generic apiserver, relisted here to get a conflict if it is changed
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// unintentionally on either side:
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StreamingProxyRedirects: {Default: true, PreRelease: utilfeature.Beta},
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genericfeatures.AdvancedAuditing: {Default: false, PreRelease: utilfeature.Alpha},
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TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},
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genericfeatures.Initializers: {Default: false, PreRelease: utilfeature.Alpha},
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genericfeatures.StreamingProxyRedirects: {Default: true, PreRelease: utilfeature.Beta},
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genericfeatures.AdvancedAuditing: {Default: false, PreRelease: utilfeature.Alpha},
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genericfeatures.APIResponseCompression: {Default: false, PreRelease: utilfeature.Alpha},
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genericfeatures.Initializers: {Default: false, PreRelease: utilfeature.Alpha},
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// inherited features from apiextensions-apiserver, relisted here to get a conflict if it is changed
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// unintentionally on either side:
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apiextensionsfeatures.CustomResourceValidation: {Default: false, PreRelease: utilfeature.Alpha},
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}
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@ -45,6 +45,7 @@ filegroup(
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/cmd/server:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/finalizer:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/features:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition:all-srcs",
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"//staging/src/k8s.io/apiextensions-apiserver/test/integration:all-srcs",
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@ -0,0 +1,25 @@
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package(default_visibility = ["//visibility:public"])
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load(
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"@io_bazel_rules_go//go:def.bzl",
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"go_library",
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)
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go_library(
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name = "go_default_library",
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srcs = ["kube_features.go"],
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deps = ["//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library"],
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)
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filegroup(
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name = "package-srcs",
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srcs = glob(["**"]),
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tags = ["automanaged"],
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visibility = ["//visibility:private"],
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)
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filegroup(
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name = "all-srcs",
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srcs = [":package-srcs"],
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tags = ["automanaged"],
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)
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@ -0,0 +1,46 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package features
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import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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)
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const (
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// Every feature gate should add method here following this template:
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//
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// // owner: @username
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// // alpha: v1.4
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// MyFeature() bool
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// owner: @sttts, @nikhita
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// alpha: v1.8
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//
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// CustomResourceValidation is a list of validation methods for CustomResources
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CustomResourceValidation utilfeature.Feature = "CustomResourceValidation"
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)
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func init() {
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utilfeature.DefaultFeatureGate.Add(defaultKubernetesFeatureGates)
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}
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// defaultKubernetesFeatureGates consists of all known Kubernetes-specific feature keys.
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// To add a new feature, define a key for it above and add it here. The features will be
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// available throughout Kubernetes binaries.
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var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureSpec{
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CustomResourceValidation: {Default: false, PreRelease: utilfeature.Alpha},
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}
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@ -14,6 +14,7 @@ go_library(
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deps = [
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"//vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions:go_default_library",
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"//vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation:go_default_library",
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"//vendor/k8s.io/apiextensions-apiserver/pkg/features:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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@ -28,6 +29,7 @@ go_library(
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"//vendor/k8s.io/apiserver/pkg/storage:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/storage/errors:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/storage/names:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
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],
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)
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@ -28,9 +28,11 @@ import (
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"k8s.io/apiserver/pkg/registry/generic"
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"k8s.io/apiserver/pkg/storage"
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"k8s.io/apiserver/pkg/storage/names"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation"
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apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
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)
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type strategy struct {
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@ -50,6 +52,11 @@ func (strategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Obje
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crd := obj.(*apiextensions.CustomResourceDefinition)
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crd.Status = apiextensions.CustomResourceDefinitionStatus{}
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crd.Generation = 1
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// if the feature gate is disabled, drop the feature.
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if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
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crd.Spec.Validation = nil
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}
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}
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func (strategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
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@ -68,6 +75,11 @@ func (strategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime
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if !apiequality.Semantic.DeepEqual(oldCRD.Spec, newCRD.Spec) {
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newCRD.Generation = oldCRD.Generation + 1
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}
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if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
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newCRD.Spec.Validation = nil
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oldCRD.Spec.Validation = nil
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}
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}
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func (strategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
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@ -27,14 +27,14 @@ const (
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// // alpha: v1.4
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// MyFeature() bool
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// owner: tallclair
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// owner: @tallclair
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// alpha: v1.5
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//
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// StreamingProxyRedirects controls whether the apiserver should intercept (and follow)
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// redirects from the backend (Kubelet) for streaming requests (exec/attach/port-forward).
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StreamingProxyRedirects utilfeature.Feature = "StreamingProxyRedirects"
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// owner: tallclair
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// owner: @tallclair
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// alpha: v1.7
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//
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// AdvancedAuditing enables a much more general API auditing pipeline, which includes support for
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