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Merge pull request #126191 from p0lyn0mial/upstream-revert-promote-watch-list-to-beta

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Revert "Promote WatchList feature to Beta"
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Kubernetes Prow Robot 2024-07-18 07:39:28 -07:00 committed by GitHub
commit dda657b598
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5 changed files with 7 additions and 20 deletions
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13
cmd/kube-controller-manager/app/options/options.go
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@ -25,7 +25,6 @@ import (
utilerrors "k8s.io/apimachinery/pkg/util/errors"
apiserveroptions "k8s.io/apiserver/pkg/server/options"
utilfeature "k8s.io/apiserver/pkg/util/feature"
clientgofeaturegate "k8s.io/client-go/features"
clientset "k8s.io/client-go/kubernetes"
clientgokubescheme "k8s.io/client-go/kubernetes/scheme"
restclient "k8s.io/client-go/rest"
@ -34,12 +33,10 @@ import (
cpnames "k8s.io/cloud-provider/names"
cpoptions "k8s.io/cloud-provider/options"
cliflag "k8s.io/component-base/cli/flag"
"k8s.io/component-base/featuregate"
"k8s.io/component-base/logs"
logsapi "k8s.io/component-base/logs/api/v1"
"k8s.io/component-base/metrics"
cmoptions "k8s.io/controller-manager/options"
"k8s.io/klog/v2"
kubectrlmgrconfigv1alpha1 "k8s.io/kube-controller-manager/config/v1alpha1"
kubecontrollerconfig "k8s.io/kubernetes/cmd/kube-controller-manager/app/config"
"k8s.io/kubernetes/cmd/kube-controller-manager/names"
@ -276,16 +273,6 @@ func (s *KubeControllerManagerOptions) Flags(allControllers []string, disabledBy
fs := fss.FlagSet("misc")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig).")
fs.StringVar(&s.Generic.ClientConnection.Kubeconfig, "kubeconfig", s.Generic.ClientConnection.Kubeconfig, "Path to kubeconfig file with authorization and master location information (the master location can be overridden by the master flag).")
if !utilfeature.DefaultFeatureGate.Enabled(featuregate.Feature(clientgofeaturegate.WatchListClient)) {
if err := utilfeature.DefaultMutableFeatureGate.OverrideDefault(featuregate.Feature(clientgofeaturegate.WatchListClient), true); err != nil {
// it turns out that there are some integration tests that start multiple control plane components which
// share global DefaultFeatureGate/DefaultMutableFeatureGate variables.
// in those cases, the above call will fail (FG already registered and cannot be overridden), and the error will be logged.
klog.Errorf("unable to set %s feature gate, err: %v", clientgofeaturegate.WatchListClient, err)
}
}
utilfeature.DefaultMutableFeatureGate.AddFlag(fss.FlagSet("generic"))
return fss

6
cmd/kube-controller-manager/app/options/options_test.go
View File

@ -1355,8 +1355,8 @@ func TestWatchListClientFlagChange(t *testing.T) {
func assertWatchListClientFeatureDefaultValue(t *testing.T) {
watchListClientDefaultValue := clientgofeaturegate.FeatureGates().Enabled(clientgofeaturegate.WatchListClient)
if !watchListClientDefaultValue {
t.Fatalf("expected %q feature gate to be enabled for KCM", clientgofeaturegate.WatchListClient)
if watchListClientDefaultValue {
t.Fatalf("expected %q feature gate to be disabled for KCM", clientgofeaturegate.WatchListClient)
}
}
@ -1367,7 +1367,7 @@ func assertWatchListCommandLineDefaultValue(t *testing.T, fs *pflag.FlagSet) {
t.Fatalf("didn't find %q flag", fgFlagName)
}
expectedWatchListClientString := "WatchListClient=true|false (BETA - default=true)"
expectedWatchListClientString := "WatchListClient=true|false (BETA - default=false)"
if !strings.Contains(fg.Usage, expectedWatchListClientString) {
t.Fatalf("%q flag doesn't contain the expected usage for %v feature gate.\nExpected = %v\nUsage = %v", fgFlagName, clientgofeaturegate.WatchListClient, expectedWatchListClientString, fg.Usage)
}

2
pkg/features/kube_features.go
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@ -1283,7 +1283,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
genericfeatures.WatchFromStorageWithoutResourceVersion: {Default: false, PreRelease: featuregate.Beta},
genericfeatures.WatchList: {Default: true, PreRelease: featuregate.Beta},
genericfeatures.WatchList: {Default: false, PreRelease: featuregate.Alpha},
genericfeatures.ZeroLimitedNominalConcurrencyShares: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.32

3
staging/src/k8s.io/apiserver/pkg/features/kube_features.go
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@ -301,7 +301,6 @@ const (
// owner: @p0lyn0mial
// alpha: v1.27
// beta: v1.31
//
// Allow the API server to stream individual items instead of chunking
WatchList featuregate.Feature = "WatchList"
@ -407,7 +406,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
InPlacePodVerticalScaling: {Default: false, PreRelease: featuregate.Alpha},
WatchList: {Default: true, PreRelease: featuregate.Beta},
WatchList: {Default: false, PreRelease: featuregate.Alpha},
ConsistentListFromCache: {Default: false, PreRelease: featuregate.Alpha},

3
test/e2e/apimachinery/watchlist.go
View File

@ -42,10 +42,11 @@ import (
"k8s.io/client-go/util/consistencydetector"
"k8s.io/component-base/featuregate"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/test/e2e/feature"
"k8s.io/kubernetes/test/e2e/framework"
)
var _ = SIGDescribe("API Streaming (aka. WatchList)", framework.WithSerial(), func() {
var _ = SIGDescribe("API Streaming (aka. WatchList)", framework.WithSerial(), feature.WatchList, func() {
f := framework.NewDefaultFramework("watchlist")
ginkgo.It("should be requested by informers when WatchListClient is enabled", func(ctx context.Context) {
featuregatetesting.SetFeatureGateDuringTest(ginkgo.GinkgoTB(), utilfeature.DefaultFeatureGate, featuregate.Feature(clientfeatures.WatchListClient), true)