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 2017-08-14 21:44:02 +05:30
parent ccb8554dd8
commit 6ba1523a8e
9 changed files with 100 additions and 13 deletions

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@ -548,6 +548,7 @@ staging/src/k8s.io/apiextensions-apiserver/pkg/client/informers/internalversion/
staging/src/k8s.io/apiextensions-apiserver/pkg/cmd/server
staging/src/k8s.io/apiextensions-apiserver/pkg/controller/finalizer
staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status
staging/src/k8s.io/apiextensions-apiserver/pkg/features
staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource
staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition
staging/src/k8s.io/apiextensions-apiserver/test/integration/testserver

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@ -9,6 +9,7 @@ go_library(
name = "go_default_library",
srcs = ["kube_features.go"],
deps = [
"//vendor/k8s.io/apiextensions-apiserver/pkg/features:go_default_library",
"//vendor/k8s.io/apiserver/pkg/features:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
],

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@ -17,6 +17,7 @@ limitations under the License.
package features
import (
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
genericfeatures "k8s.io/apiserver/pkg/features"
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
@ -44,13 +45,6 @@ const (
// alpha: v1.4
DynamicKubeletConfig utilfeature.Feature = "DynamicKubeletConfig"
// owner: tallclair
// alpha: v1.5
//
// StreamingProxyRedirects controls whether the apiserver should intercept (and follow)
// redirects from the backend (Kubelet) for streaming requests (exec/attach/port-forward).
StreamingProxyRedirects utilfeature.Feature = genericfeatures.StreamingProxyRedirects
// owner: @pweil-
// alpha: v1.5
//
@ -158,11 +152,16 @@ var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureS
DebugContainers: {Default: false, PreRelease: utilfeature.Alpha},
PodPriority: {Default: false, PreRelease: utilfeature.Alpha},
EnableEquivalenceClassCache: {Default: false, PreRelease: utilfeature.Alpha},
TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},
// inherited features from generic apiserver, relisted here to get a conflict if it is changed
// unintentionally on either side:
StreamingProxyRedirects: {Default: true, PreRelease: utilfeature.Beta},
genericfeatures.AdvancedAuditing: {Default: false, PreRelease: utilfeature.Alpha},
TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},
genericfeatures.Initializers: {Default: false, PreRelease: utilfeature.Alpha},
genericfeatures.StreamingProxyRedirects: {Default: true, PreRelease: utilfeature.Beta},
genericfeatures.AdvancedAuditing: {Default: false, PreRelease: utilfeature.Alpha},
genericfeatures.APIResponseCompression: {Default: false, PreRelease: utilfeature.Alpha},
genericfeatures.Initializers: {Default: false, PreRelease: utilfeature.Alpha},
// inherited features from apiextensions-apiserver, relisted here to get a conflict if it is changed
// unintentionally on either side:
apiextensionsfeatures.CustomResourceValidation: {Default: false, PreRelease: utilfeature.Alpha},
}

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@ -45,6 +45,7 @@ filegroup(
"//staging/src/k8s.io/apiextensions-apiserver/pkg/cmd/server:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/finalizer:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/pkg/features:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition:all-srcs",
"//staging/src/k8s.io/apiextensions-apiserver/test/integration:all-srcs",

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@ -0,0 +1,25 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
)
go_library(
name = "go_default_library",
srcs = ["kube_features.go"],
deps = ["//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library"],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

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@ -0,0 +1,46 @@
/*
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 features
import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
const (
// Every feature gate should add method here following this template:
//
// // owner: @username
// // alpha: v1.4
// MyFeature() bool
// owner: @sttts, @nikhita
// alpha: v1.8
//
// CustomResourceValidation is a list of validation methods for CustomResources
CustomResourceValidation utilfeature.Feature = "CustomResourceValidation"
)
func init() {
utilfeature.DefaultFeatureGate.Add(defaultKubernetesFeatureGates)
}
// defaultKubernetesFeatureGates consists of all known Kubernetes-specific feature keys.
// To add a new feature, define a key for it above and add it here. The features will be
// available throughout Kubernetes binaries.
var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureSpec{
CustomResourceValidation: {Default: false, PreRelease: utilfeature.Alpha},
}

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@ -14,6 +14,7 @@ go_library(
deps = [
"//vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions:go_default_library",
"//vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation:go_default_library",
"//vendor/k8s.io/apiextensions-apiserver/pkg/features:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
@ -28,6 +29,7 @@ go_library(
"//vendor/k8s.io/apiserver/pkg/storage:go_default_library",
"//vendor/k8s.io/apiserver/pkg/storage/errors:go_default_library",
"//vendor/k8s.io/apiserver/pkg/storage/names:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
],
)

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@ -28,9 +28,11 @@ import (
"k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/storage"
"k8s.io/apiserver/pkg/storage/names"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
)
type strategy struct {
@ -50,6 +52,11 @@ func (strategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Obje
crd := obj.(*apiextensions.CustomResourceDefinition)
crd.Status = apiextensions.CustomResourceDefinitionStatus{}
crd.Generation = 1
// if the feature gate is disabled, drop the feature.
if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
crd.Spec.Validation = nil
}
}
func (strategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
@ -68,6 +75,11 @@ func (strategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime
if !apiequality.Semantic.DeepEqual(oldCRD.Spec, newCRD.Spec) {
newCRD.Generation = oldCRD.Generation + 1
}
if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
newCRD.Spec.Validation = nil
oldCRD.Spec.Validation = nil
}
}
func (strategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {

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@ -27,14 +27,14 @@ const (
// // alpha: v1.4
// MyFeature() bool
// owner: tallclair
// owner: @tallclair
// alpha: v1.5
//
// StreamingProxyRedirects controls whether the apiserver should intercept (and follow)
// redirects from the backend (Kubelet) for streaming requests (exec/attach/port-forward).
StreamingProxyRedirects utilfeature.Feature = "StreamingProxyRedirects"
// owner: tallclair
// owner: @tallclair
// alpha: v1.7
//
// AdvancedAuditing enables a much more general API auditing pipeline, which includes support for