mirror of
https://github.com/outbackdingo/kubernetes.git
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94 lines
3.3 KiB
Go
94 lines
3.3 KiB
Go
/*
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Copyright 2024 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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"testing"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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clientfeatures "k8s.io/client-go/features"
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"k8s.io/component-base/featuregate"
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)
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// TestKubeFeaturesRegistered tests that all kube features are registered.
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func TestKubeFeaturesRegistered(t *testing.T) {
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registeredFeatures := utilfeature.DefaultFeatureGate.DeepCopy().GetAll()
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for featureName := range defaultVersionedKubernetesFeatureGates {
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if _, ok := registeredFeatures[featureName]; !ok {
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t.Errorf("The feature gate %q is not registered in the DefaultFeatureGate", featureName)
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}
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}
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}
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// TestClientFeaturesRegistered tests that all client features are registered.
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func TestClientFeaturesRegistered(t *testing.T) {
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onlyClientFg := featuregate.NewFeatureGate()
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if err := clientfeatures.AddFeaturesToExistingFeatureGates(&clientAdapter{onlyClientFg}); err != nil {
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t.Fatal(err)
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}
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registeredFeatures := utilfeature.DefaultFeatureGate.DeepCopy().GetAll()
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for featureName := range onlyClientFg.GetAll() {
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if _, ok := registeredFeatures[featureName]; !ok {
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t.Errorf("The client-go's feature gate %q is not registered in the DefaultFeatureGate", featureName)
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}
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}
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}
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// TestAllRegisteredFeaturesExpected tests that the set of features actually registered does not
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// include any features other than those on the list in this package or in client-go's feature
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// package.
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func TestAllRegisteredFeaturesExpected(t *testing.T) {
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registeredFeatures := utilfeature.DefaultFeatureGate.DeepCopy().GetAll()
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knownFeatureGates := featuregate.NewFeatureGate()
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if err := clientfeatures.AddFeaturesToExistingFeatureGates(&clientAdapter{knownFeatureGates}); err != nil {
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t.Fatal(err)
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}
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if err := knownFeatureGates.AddVersioned(defaultVersionedKubernetesFeatureGates); err != nil {
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t.Fatal(err)
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}
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knownFeatures := knownFeatureGates.GetAll()
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for registeredFeature := range registeredFeatures {
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if _, ok := knownFeatures[registeredFeature]; !ok {
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t.Errorf("The feature gate %q is not from known feature gates", registeredFeature)
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}
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}
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}
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func TestEnsureAlphaGatesAreNotSwitchedOnByDefault(t *testing.T) {
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checkAlphaGates := func(feature featuregate.Feature, spec featuregate.FeatureSpec) {
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// FIXME(dims): remove this check when WindowsHostNetwork is fixed up or removed
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// entirely. Please do NOT add more entries here.
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if feature == "WindowsHostNetwork" {
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return
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}
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if spec.PreRelease == featuregate.Alpha && spec.Default {
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t.Errorf("The alpha feature gate %q is switched on by default", feature)
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}
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if spec.PreRelease == featuregate.Alpha && spec.LockToDefault {
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t.Errorf("The alpha feature gate %q is locked to default", feature)
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}
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}
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for feature, specs := range defaultVersionedKubernetesFeatureGates {
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for _, spec := range specs {
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checkAlphaGates(feature, spec)
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}
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}
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}
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