rebase: update all k8s packages to 0.27.2

Signed-off-by: Niels de Vos <ndevos@ibm.com>

vendor/k8s.io/controller-manager/pkg/features/kube_features.go

@@ -32,21 +32,26 @@ const (
 	// of code conflicts because changes are more likely to be scattered
 	// across the file.
 
-	// owner: @jiahuif
-	// alpha: v1.21
-	// beta:  v1.22
-	// GA:    v1.24
-	//
-	// Enables Leader Migration for kube-controller-manager and cloud-controller-manager
-	// copied and sync'ed from k8s.io/kubernetes/pkg/features/kube_features.go
-	ControllerManagerLeaderMigration featuregate.Feature = "ControllerManagerLeaderMigration"
+	// owner: @nckturner
+	// kep:  http://kep.k8s.io/2699
+	// alpha: v1.27
+	// Enable webhook in cloud controller manager
+	CloudControllerManagerWebhook featuregate.Feature = "CloudControllerManagerWebhook"
 
-	// owner: @khenidak
-	// alpha: v1.15
+	// owner: @danwinship
+	// alpha: v1.27
 	//
-	// Enables ipv6 dual stack
-	// Original copy from k8s.io/kubernetes/pkg/features/kube_features.go
-	IPv6DualStack featuregate.Feature = "IPv6DualStack"
+	// Enables dual-stack values in the
+	// `alpha.kubernetes.io/provided-node-ip` annotation
+	CloudDualStackNodeIPs featuregate.Feature = "CloudDualStackNodeIPs"
+
+	// owner: @alexanderConstantinescu
+	// kep: http://kep.k8s.io/3458
+	// beta: v1.27
+	//
+	// Enables less load balancer re-configurations by the service controller
+	// (KCCM) as an effect of changing node state.
+	StableLoadBalancerNodeSet featuregate.Feature = "StableLoadBalancerNodeSet"
 )
 
 func SetupCurrentKubernetesSpecificFeatureGates(featuregates featuregate.MutableFeatureGate) error {
@@ -56,7 +61,7 @@ func SetupCurrentKubernetesSpecificFeatureGates(featuregates featuregate.Mutable
 // cloudPublicFeatureGates consists of cloud-specific feature keys.
 // To add a new feature, define a key for it at k8s.io/api/pkg/features and add it here.
 var cloudPublicFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
-	ControllerManagerLeaderMigration: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.26
-
-	IPv6DualStack: {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
+	CloudControllerManagerWebhook: {Default: false, PreRelease: featuregate.Alpha},
+	CloudDualStackNodeIPs:         {Default: false, PreRelease: featuregate.Alpha},
+	StableLoadBalancerNodeSet:     {Default: true, PreRelease: featuregate.Beta},
 }

vendor/k8s.io/controller-manager/pkg/leadermigration/config/default.go

@@ -19,8 +19,7 @@ package config
 import internal "k8s.io/controller-manager/config"
 
 // DefaultLeaderMigrationConfiguration returns the default LeaderMigrationConfiguration
-//
-//	that is valid for this release of Kubernetes.
+// that is valid for this release of Kubernetes.
 func DefaultLeaderMigrationConfiguration() *internal.LeaderMigrationConfiguration {
 	return &internal.LeaderMigrationConfiguration{
 		LeaderName:   "cloud-provider-extraction-migration",

vendor/k8s.io/controller-manager/pkg/leadermigration/feature.go

@@ -1,28 +0,0 @@
-/*
-Copyright 2021 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 leadermigration
-
-import (
-	"k8s.io/apiserver/pkg/util/feature"
-	"k8s.io/controller-manager/pkg/features"
-	_ "k8s.io/controller-manager/pkg/features/register"
-)
-
-// FeatureEnabled tells if leader migration is enabled through the feature gate.
-func FeatureEnabled() bool {
-	return feature.DefaultMutableFeatureGate.Enabled(features.ControllerManagerLeaderMigration)
-}

vendor/k8s.io/controller-manager/pkg/leadermigration/filter.go

@@ -1,35 +0,0 @@
-/*
-Copyright 2021 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 leadermigration
-
-// FilterResult indicates whether and how the controller manager should start the controller.
-type FilterResult int32
-
-const (
-	// ControllerUnowned indicates that the controller is owned by another controller manager
-	//  and thus should NOT be started by this controller manager.
-	ControllerUnowned = iota
-	// ControllerMigrated indicates that the controller manager should start this controller
-	//  with the migration lock.
-	ControllerMigrated
-	// ControllerNonMigrated indicates that the controller manager should start this controller
-	//  with the main lock.
-	ControllerNonMigrated
-)
-
-// FilterFunc takes a name of controller, returning a FilterResult indicating how to start controller.
-type FilterFunc func(controllerName string) FilterResult

vendor/k8s.io/controller-manager/pkg/leadermigration/migrator.go

@@ -1,62 +0,0 @@
-/*
-Copyright 2021 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 leadermigration
-
-import (
-	internal "k8s.io/controller-manager/config"
-)
-
-// LeaderMigrator holds information required by the leader migration process.
-type LeaderMigrator struct {
-	// MigrationReady is closed after the controller manager finishes preparing for the migration lock.
-	// After this point, the leader migration process will proceed to acquire the migration lock.
-	MigrationReady chan struct{}
-
-	// FilterFunc returns a FilterResult telling the controller manager what to do with the controller.
-	FilterFunc FilterFunc
-}
-
-// NewLeaderMigrator creates a LeaderMigrator with given config for the given component. component
-//
-//	indicates which controller manager is requesting this leader migration, and it should be consistent
-//	with the component field of ControllerLeaderConfiguration.
-func NewLeaderMigrator(config *internal.LeaderMigrationConfiguration, component string) *LeaderMigrator {
-	migratedControllers := make(map[string]bool)
-	for _, leader := range config.ControllerLeaders {
-		migratedControllers[leader.Name] = leader.Component == component || leader.Component == "*"
-	}
-	return &LeaderMigrator{
-		MigrationReady: make(chan struct{}),
-		FilterFunc: func(controllerName string) FilterResult {
-			shouldRun, ok := migratedControllers[controllerName]
-			if ok {
-				// The controller is included in the migration
-				if shouldRun {
-					// If the controller manager should run the controller,
-					//  start it in the migration lock.
-					return ControllerMigrated
-				}
-				// Otherwise, the controller should be started by
-				//  some other controller manager.
-				return ControllerUnowned
-			}
-			// The controller is not included in the migration,
-			//  and should be started in the main lock.
-			return ControllerNonMigrated
-		},
-	}
-}

vendor/k8s.io/controller-manager/pkg/leadermigration/options/options.go

@@ -21,7 +21,6 @@ import (
 
 	"github.com/spf13/pflag"
 	"k8s.io/controller-manager/config"
-	"k8s.io/controller-manager/pkg/leadermigration"
 	migrationconfig "k8s.io/controller-manager/pkg/leadermigration/config"
 )
 
@@ -65,9 +64,6 @@ func (o *LeaderMigrationOptions) ApplyTo(cfg *config.GenericControllerManagerCon
 		cfg.LeaderMigrationEnabled = false
 		return nil
 	}
-	if o.Enabled && !leadermigration.FeatureEnabled() {
-		return fmt.Errorf("Leader Migration is not enabled through feature gate")
-	}
 	cfg.LeaderMigrationEnabled = o.Enabled
 	if !cfg.LeaderMigrationEnabled {
 		return nil

vendor/k8s.io/controller-manager/pkg/leadermigration/util.go

@@ -1,25 +0,0 @@
-/*
-Copyright 2021 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 leadermigration
-
-import config "k8s.io/controller-manager/config"
-
-// Enabled checks whether Leader Migration should be enabled, given the GenericControllerManagerConfiguration.
-// It considers the feature gate first, and will always return false if the feature gate is not enabled.
-func Enabled(genericConfig *config.GenericControllerManagerConfiguration) bool {
-	return FeatureEnabled() && genericConfig.LeaderElection.LeaderElect && genericConfig.LeaderMigrationEnabled
-}