<commit_before>/*
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 (
	"k8s.io/apimachinery/pkg/util/runtime"
	genericfeatures "k8s.io/apiserver/pkg/features"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	"k8s.io/component-base/featuregate"
)

const (
	// Every feature gate should add method here following this template:
	//
	// // owner: @username
	// // kep: http://kep.k8s.io/NNN
	// // alpha: v1.X
	// MyFeature featuregate.Feature = "MyFeature"
	//
	// Feature gates should be listed in alphabetical, case-sensitive
	// (upper before any lower case character) order. This reduces the risk
	// of code conflicts because changes are more likely to be scattered
	// across the file.

	// owner: @bswartz
	// alpha: v1.18
	// beta: v1.24
	//
	// Enables usage of any object for volume data source in PVCs
	AnyVolumeDataSource featuregate.Feature = "AnyVolumeDataSource"

	// owner: @tallclair
	// beta: v1.4
	AppArmor featuregate.Feature = "AppArmor"

	// owner: @szuecs
	// alpha: v1.12
	//
	// Enable nodes to change CPUCFSQuotaPeriod
	CPUCFSQuotaPeriod featuregate.Feature = "CustomCPUCFSQuotaPeriod"

	// owner: @ConnorDoyle
	// alpha: v1.8
	// beta: v1.10
	//
	// Alternative container-level CPU affinity policies.
	CPUManager featuregate.Feature = "CPUManager"

	// owner: @fromanirh
	// alpha: v1.23
	// beta: see below.
	//
	// Allow fine-tuning of cpumanager policies, experimental, alpha-quality options
	// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// We want to avoid a proliferation of feature gates. This feature gate:
	// - will guard *a group* of cpumanager options whose quality level is alpha.
	// - will never graduate to beta or stable.
	// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// for details about the removal of this feature gate.
	CPUManagerPolicyAlphaOptions featuregate.Feature = "CPUManagerPolicyAlphaOptions"

	// owner: @fromanirh
	// beta: v1.23
	// beta: see below.
	//
	// Allow fine-tuning of cpumanager policies, experimental, beta-quality options
	// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// We want to avoid a proliferation of feature gates. This feature gate:
	// - will guard *a group* of cpumanager options whose quality level is beta.
	// - is thus *introduced* as beta
	// - will never graduate to stable.
	// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// for details about the removal of this feature gate.
	CPUManagerPolicyBetaOptions featuregate.Feature = "CPUManagerPolicyBetaOptions"

	// owner: @fromanirh
	// alpha: v1.22
	// beta: v1.23
	//
	// Allow the usage of options to fine-tune the cpumanager policies.
	CPUManagerPolicyOptions featuregate.Feature = "CPUManagerPolicyOptions"

	// owner: @pohly
	// alpha: v1.14
	// beta: v1.16
	// GA: v1.25
	//
	// Enables CSI Inline volumes support for pods
	CSIInlineVolume featuregate.Feature = "CSIInlineVolume"

	// owner: @davidz627
	// alpha: v1.14
	// beta: v1.17
	//
	// Enables the in-tree storage to CSI Plugin migration feature.
	CSIMigration featuregate.Feature = "CSIMigration"

	// owner: @leakingtapan
	// alpha: v1.14
	// beta: v1.17
	// GA: v1.25
	//
	// Enables the AWS EBS in-tree driver to AWS EBS CSI Driver migration feature.
	CSIMigrationAWS featuregate.Feature = "CSIMigrationAWS"

	// owner: @andyzhangx
	// alpha: v1.15
	// beta: v1.19
	// GA: v1.24
	//
	// Enables the Azure Disk in-tree driver to Azure Disk Driver migration feature.
	CSIMigrationAzureDisk featuregate.Feature = "CSIMigrationAzureDisk"

	// owner: @andyzhangx
	// alpha: v1.15
	// beta: v1.21
	//
	// Enables the Azure File in-tree driver to Azure File Driver migration feature.
	CSIMigrationAzureFile featuregate.Feature = "CSIMigrationAzureFile"

	// owner: @davidz627
	// alpha: v1.14
	// beta: v1.17
	// GA: 1.25
	//
	// Enables the GCE PD in-tree driver to GCE CSI Driver migration feature.
	CSIMigrationGCE featuregate.Feature = "CSIMigrationGCE"

	// owner: @adisky
	// alpha: v1.14
	// beta: v1.18
	//
	// Enables the OpenStack Cinder in-tree driver to OpenStack Cinder CSI Driver migration feature.
	CSIMigrationOpenStack featuregate.Feature = "CSIMigrationOpenStack"

	// owner: @trierra
	// alpha: v1.23
	//
	// Enables the Portworx in-tree driver to Portworx migration feature.
	CSIMigrationPortworx featuregate.Feature = "CSIMigrationPortworx"

	// owner: @humblec
	// alpha: v1.23
	//
	// Enables the RBD in-tree driver to RBD CSI Driver  migration feature.
	CSIMigrationRBD featuregate.Feature = "CSIMigrationRBD"

	// owner: @divyenpatel
	// beta: v1.19 (requires: vSphere vCenter/ESXi Version: 7.0u2, HW Version: VM version 15)
	//
	// Enables the vSphere in-tree driver to vSphere CSI Driver migration feature.
	CSIMigrationvSphere featuregate.Feature = "CSIMigrationvSphere"

	// owner: @humblec, @zhucan
	// kep: http://kep.k8s.io/3171
	// alpha: v1.25
	//
	// Enables SecretRef field in CSI NodeExpandVolume request.
	CSINodeExpandSecret featuregate.Feature = "CSINodeExpandSecret"

	// owner: @pohly
	// alpha: v1.19
	// beta: v1.21
	// GA: v1.24
	//
	// Enables tracking of available storage capacity that CSI drivers provide.
	CSIStorageCapacity featuregate.Feature = "CSIStorageCapacity"

	// owner: @fengzixu
	// alpha: v1.21
	//
	// Enables kubelet to detect CSI volume condition and send the event of the abnormal volume to the corresponding pod that is using it.
	CSIVolumeHealth featuregate.Feature = "CSIVolumeHealth"

	// owner: @enj
	// beta: v1.22
	// ga: v1.24
	//
	// Allows clients to request a duration for certificates issued via the Kubernetes CSR API.
	CSRDuration featuregate.Feature = "CSRDuration"

	// owner: @adrianreber
	// kep: http://kep.k8s.io/2008
	// alpha: v1.25
	//
	// Enables container Checkpoint support in the kubelet
	ContainerCheckpoint featuregate.Feature = "ContainerCheckpoint"

	// owner: @jiahuif
	// alpha: v1.21
	// beta:  v1.22
	// GA:    v1.24
	//
	// Enables Leader Migration for kube-controller-manager and cloud-controller-manager
	ControllerManagerLeaderMigration featuregate.Feature = "ControllerManagerLeaderMigration"

	// owner: @deejross, @soltysh
	// kep: http://kep.k8s.io/3140
	// alpha: v1.24
	// beta: v1.25
	//
	// Enables support for time zones in CronJobs.
	CronJobTimeZone featuregate.Feature = "CronJobTimeZone"

	// owner: @smarterclayton
	// alpha: v1.21
	// beta: v1.22
	// GA: v1.25
	// DaemonSets allow workloads to maintain availability during update per node
	DaemonSetUpdateSurge featuregate.Feature = "DaemonSetUpdateSurge"

	// owner: @alculquicondor
	// alpha: v1.19
	// beta: v1.20
	// GA: v1.24
	//
	// Enables the use of PodTopologySpread scheduling plugin to do default
	// spreading and disables legacy SelectorSpread plugin.
	DefaultPodTopologySpread featuregate.Feature = "DefaultPodTopologySpread"

	// owner: @gnufied, @verult
	// alpha: v1.22
	// beta: v1.23
	// If supported by the CSI driver, delegates the role of applying FSGroup to
	// the driver by passing FSGroup through the NodeStageVolume and
	// NodePublishVolume calls.
	DelegateFSGroupToCSIDriver featuregate.Feature = "DelegateFSGroupToCSIDriver"

	// owner: @jiayingz
	// beta: v1.10
	//
	// Enables support for Device Plugins
	DevicePlugins featuregate.Feature = "DevicePlugins"

	// owner: @RenaudWasTaken @dashpole
	// alpha: v1.19
	// beta: v1.20
	// ga: v1.25
	//
	// Disables Accelerator Metrics Collected by Kubelet
	DisableAcceleratorUsageMetrics featuregate.Feature = "DisableAcceleratorUsageMetrics"

	// owner: @andrewsykim
	// alpha: v1.22
	//
	// Disable any functionality in kube-apiserver, kube-controller-manager and kubelet related to the `--cloud-provider` component flag.
	DisableCloudProviders featuregate.Feature = "DisableCloudProviders"

	// owner: @andrewsykim
	// alpha: v1.23
	//
	// Disable in-tree functionality in kubelet to authenticate to cloud provider container registries for image pull credentials.
	DisableKubeletCloudCredentialProviders featuregate.Feature = "DisableKubeletCloudCredentialProviders"

	// owner: @derekwaynecarr
	// alpha: v1.20
	// beta: v1.21 (off by default until 1.22)
	//
	// Enables usage of hugepages-<size> in downward API.
	DownwardAPIHugePages featuregate.Feature = "DownwardAPIHugePages"

	// owner: @mtaufen
	// alpha: v1.4
	// beta: v1.11
	// deprecated: 1.22
	DynamicKubeletConfig featuregate.Feature = "DynamicKubeletConfig"

	// owner: @andrewsykim
	// kep: http://kep.k8s.io/1672
	// alpha: v1.20
	// beta: v1.22
	//
	// Enable Terminating condition in Endpoint Slices.
	EndpointSliceTerminatingCondition featuregate.Feature = "EndpointSliceTerminatingCondition"

	// owner: @verb
	// alpha: v1.16
	// beta: v1.23
	// GA: v1.25
	//
	// Allows running an ephemeral container in pod namespaces to troubleshoot a running pod.
	EphemeralContainers featuregate.Feature = "EphemeralContainers"

	// owner: @andrewsykim @SergeyKanzhelev
	// GA: v1.20
	//
	// Ensure kubelet respects exec probe timeouts. Feature gate exists in-case existing workloads
	// may depend on old behavior where exec probe timeouts were ignored.
	// Lock to default and remove after v1.22 based on user feedback that should be reflected in KEP #1972 update
	ExecProbeTimeout featuregate.Feature = "ExecProbeTimeout"

	// owner: @gnufied
	// alpha: v1.14
	// beta: v1.16
	// GA: 1.24
	// Ability to expand CSI volumes
	ExpandCSIVolumes featuregate.Feature = "ExpandCSIVolumes"

	// owner: @mlmhl @gnufied
	// beta: v1.15
	// GA: 1.24
	// Ability to expand persistent volumes' file system without unmounting volumes.
	ExpandInUsePersistentVolumes featuregate.Feature = "ExpandInUsePersistentVolumes"

	// owner: @gnufied
	// beta: v1.11
	// GA: 1.24
	// Ability to Expand persistent volumes
	ExpandPersistentVolumes featuregate.Feature = "ExpandPersistentVolumes"

	// owner: @gjkim42
	// kep: http://kep.k8s.io/2595
	// alpha: v1.22
	//
	// Enables apiserver and kubelet to allow up to 32 DNSSearchPaths and up to 2048 DNSSearchListChars.
	ExpandedDNSConfig featuregate.Feature = "ExpandedDNSConfig"

	// owner: @pweil-
	// alpha: v1.5
	//
	// Default userns=host for containers that are using other host namespaces, host mounts, the pod
	// contains a privileged container, or specific non-namespaced capabilities (MKNOD, SYS_MODULE,
	// SYS_TIME). This should only be enabled if user namespace remapping is enabled in the docker daemon.
	ExperimentalHostUserNamespaceDefaultingGate featuregate.Feature = "ExperimentalHostUserNamespaceDefaulting"

	// owner: @yuzhiquan, @bowei, @PxyUp, @SergeyKanzhelev
	// kep: http://kep.k8s.io/2727
	// alpha: v1.23
	// beta: v1.24
	//
	// Enables GRPC probe method for {Liveness,Readiness,Startup}Probe.
	GRPCContainerProbe featuregate.Feature = "GRPCContainerProbe"

	// owner: @bobbypage
	// alpha: v1.20
	// beta:  v1.21
	// Adds support for kubelet to detect node shutdown and gracefully terminate pods prior to the node being shutdown.
	GracefulNodeShutdown featuregate.Feature = "GracefulNodeShutdown"

	// owner: @wzshiming
	// alpha: v1.23
	// beta:  v1.24
	// Make the kubelet use shutdown configuration based on pod priority values for graceful shutdown.
	GracefulNodeShutdownBasedOnPodPriority featuregate.Feature = "GracefulNodeShutdownBasedOnPodPriority"

	// owner: @arjunrn @mwielgus @josephburnett
	// alpha: v1.20
	//
	// Add support for the HPA to scale based on metrics from individual containers
	// in target pods
	HPAContainerMetrics featuregate.Feature = "HPAContainerMetrics"

	// owner: @dxist
	// alpha: v1.16
	//
	// Enables support of HPA scaling to zero pods when an object or custom metric is configured.
	HPAScaleToZero featuregate.Feature = "HPAScaleToZero"

	// owner: @deepakkinni @xing-yang
	// kep: http://kep.k8s.io/2680
	// alpha: v1.23
	//
	// Honor Persistent Volume Reclaim Policy when it is "Delete" irrespective of PV-PVC
	// deletion ordering.
	HonorPVReclaimPolicy featuregate.Feature = "HonorPVReclaimPolicy"

	// owner: @ravig
	// alpha: v1.23
	// beta: v1.24
	// GA: v1.25
	// IdentifyPodOS allows user to specify OS on which they'd like the Pod run. The user should still set the nodeSelector
	// with appropriate `kubernetes.io/os` label for scheduler to identify appropriate node for the pod to run.
	IdentifyPodOS featuregate.Feature = "IdentifyPodOS"

	// owner: @leakingtapan
	// alpha: v1.21
	//
	// Disables the AWS EBS in-tree driver.
	InTreePluginAWSUnregister featuregate.Feature = "InTreePluginAWSUnregister"

	// owner: @andyzhangx
	// alpha: v1.21
	//
	// Disables the Azure Disk in-tree driver.
	InTreePluginAzureDiskUnregister featuregate.Feature = "InTreePluginAzureDiskUnregister"

	// owner: @andyzhangx
	// alpha: v1.21
	//
	// Disables the Azure File in-tree driver.
	InTreePluginAzureFileUnregister featuregate.Feature = "InTreePluginAzureFileUnregister"

	// owner: @Jiawei0227
	// alpha: v1.21
	//
	// Disables the GCE PD in-tree driver.
	InTreePluginGCEUnregister featuregate.Feature = "InTreePluginGCEUnregister"

	// owner: @adisky
	// alpha: v1.21
	//
	// Disables the OpenStack Cinder in-tree driver.
	InTreePluginOpenStackUnregister featuregate.Feature = "InTreePluginOpenStackUnregister"

	// owner: @trierra
	// alpha: v1.23
	//
	// Disables the Portworx in-tree driver.
	InTreePluginPortworxUnregister featuregate.Feature = "InTreePluginPortworxUnregister"

	// owner: @humblec
	// alpha: v1.23
	//
	// Disables the RBD in-tree driver.
	InTreePluginRBDUnregister featuregate.Feature = "InTreePluginRBDUnregister"

	// owner: @divyenpatel
	// alpha: v1.21
	//
	// Disables the vSphere in-tree driver.
	InTreePluginvSphereUnregister featuregate.Feature = "InTreePluginvSphereUnregister"

	// owner: @alculquicondor
	// alpha: v1.21
	// beta: v1.22
	// stable: v1.24
	//
	// Allows Job controller to manage Pod completions per completion index.
	IndexedJob featuregate.Feature = "IndexedJob"

	// owner: @danwinship
	// kep: http://kep.k8s.io/3178
	// alpha: v1.25
	//
	// Causes kubelet to no longer create legacy IPTables rules
	IPTablesOwnershipCleanup featuregate.Feature = "IPTablesOwnershipCleanup"

	// owner: @mimowo
	// kep: http://kep.k8s.io/3329
	// alpha: v1.25
	//
	// Allow users to specify handling of pod failures based on container exit codes
	// and pod conditions.
	JobPodFailurePolicy featuregate.Feature = "JobPodFailurePolicy"

	// owner: @ahg
	// beta: v1.23
	//
	// Allow updating node scheduling directives in the pod template of jobs. Specifically,
	// node affinity, selector and tolerations. This is allowed only for suspended jobs
	// that have never been unsuspended before.
	JobMutableNodeSchedulingDirectives featuregate.Feature = "JobMutableNodeSchedulingDirectives"

	// owner: @alculquicondor
	// alpha: v1.23
	// beta: v1.24
	//
	// Track the number of pods with Ready condition in the Job status.
	JobReadyPods featuregate.Feature = "JobReadyPods"

	// owner: @alculquicondor
	// alpha: v1.22
	// beta: v1.23
	//
	// Track Job completion without relying on Pod remaining in the cluster
	// indefinitely. Pod finalizers, in addition to a field in the Job status
	// allow the Job controller to keep track of Pods that it didn't account for
	// yet.
	JobTrackingWithFinalizers featuregate.Feature = "JobTrackingWithFinalizers"

	// owner: @andrewsykim @adisky
	// alpha: v1.20
	// beta: v1.24
	// ga: v1.25
	//
	// Enable kubelet exec plugins for image pull credentials.
	KubeletCredentialProviders featuregate.Feature = "KubeletCredentialProviders"

	// owner: @AkihiroSuda
	// alpha: v1.22
	//
	// Enables support for running kubelet in a user namespace.
	// The user namespace has to be created before running kubelet.
	// All the node components such as CRI need to be running in the same user namespace.
	KubeletInUserNamespace featuregate.Feature = "KubeletInUserNamespace"

	// owner: @dashpole
	// alpha: v1.13
	// beta: v1.15
	//
	// Enables the kubelet's pod resources grpc endpoint
	KubeletPodResources featuregate.Feature = "KubeletPodResources"<commit_msg>Changing the targeted version of K8s to 1.26 for the feature<commit_after>/*
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 (
	"k8s.io/apimachinery/pkg/util/runtime"
	genericfeatures "k8s.io/apiserver/pkg/features"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	"k8s.io/component-base/featuregate"
)

const (
	// Every feature gate should add method here following this template:
	//
	// // owner: @username
	// // kep: http://kep.k8s.io/NNN
	// // alpha: v1.X
	// MyFeature featuregate.Feature = "MyFeature"
	//
	// Feature gates should be listed in alphabetical, case-sensitive
	// (upper before any lower case character) order. This reduces the risk
	// of code conflicts because changes are more likely to be scattered
	// across the file.

	// owner: @bswartz
	// alpha: v1.18
	// beta: v1.24
	//
	// Enables usage of any object for volume data source in PVCs
	AnyVolumeDataSource featuregate.Feature = "AnyVolumeDataSource"

	// owner: @tallclair
	// beta: v1.4
	AppArmor featuregate.Feature = "AppArmor"

	// owner: @szuecs
	// alpha: v1.12
	//
	// Enable nodes to change CPUCFSQuotaPeriod
	CPUCFSQuotaPeriod featuregate.Feature = "CustomCPUCFSQuotaPeriod"

	// owner: @ConnorDoyle
	// alpha: v1.8
	// beta: v1.10
	//
	// Alternative container-level CPU affinity policies.
	CPUManager featuregate.Feature = "CPUManager"

	// owner: @fromanirh
	// alpha: v1.23
	// beta: see below.
	//
	// Allow fine-tuning of cpumanager policies, experimental, alpha-quality options
	// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// We want to avoid a proliferation of feature gates. This feature gate:
	// - will guard *a group* of cpumanager options whose quality level is alpha.
	// - will never graduate to beta or stable.
	// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// for details about the removal of this feature gate.
	CPUManagerPolicyAlphaOptions featuregate.Feature = "CPUManagerPolicyAlphaOptions"

	// owner: @fromanirh
	// beta: v1.23
	// beta: see below.
	//
	// Allow fine-tuning of cpumanager policies, experimental, beta-quality options
	// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// We want to avoid a proliferation of feature gates. This feature gate:
	// - will guard *a group* of cpumanager options whose quality level is beta.
	// - is thus *introduced* as beta
	// - will never graduate to stable.
	// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
	// for details about the removal of this feature gate.
	CPUManagerPolicyBetaOptions featuregate.Feature = "CPUManagerPolicyBetaOptions"

	// owner: @fromanirh
	// alpha: v1.22
	// beta: v1.23
	//
	// Allow the usage of options to fine-tune the cpumanager policies.
	CPUManagerPolicyOptions featuregate.Feature = "CPUManagerPolicyOptions"

	// owner: @pohly
	// alpha: v1.14
	// beta: v1.16
	// GA: v1.25
	//
	// Enables CSI Inline volumes support for pods
	CSIInlineVolume featuregate.Feature = "CSIInlineVolume"

	// owner: @davidz627
	// alpha: v1.14
	// beta: v1.17
	//
	// Enables the in-tree storage to CSI Plugin migration feature.
	CSIMigration featuregate.Feature = "CSIMigration"

	// owner: @leakingtapan
	// alpha: v1.14
	// beta: v1.17
	// GA: v1.25
	//
	// Enables the AWS EBS in-tree driver to AWS EBS CSI Driver migration feature.
	CSIMigrationAWS featuregate.Feature = "CSIMigrationAWS"

	// owner: @andyzhangx
	// alpha: v1.15
	// beta: v1.19
	// GA: v1.24
	//
	// Enables the Azure Disk in-tree driver to Azure Disk Driver migration feature.
	CSIMigrationAzureDisk featuregate.Feature = "CSIMigrationAzureDisk"

	// owner: @andyzhangx
	// alpha: v1.15
	// beta: v1.21
	//
	// Enables the Azure File in-tree driver to Azure File Driver migration feature.
	CSIMigrationAzureFile featuregate.Feature = "CSIMigrationAzureFile"

	// owner: @davidz627
	// alpha: v1.14
	// beta: v1.17
	// GA: 1.25
	//
	// Enables the GCE PD in-tree driver to GCE CSI Driver migration feature.
	CSIMigrationGCE featuregate.Feature = "CSIMigrationGCE"

	// owner: @adisky
	// alpha: v1.14
	// beta: v1.18
	//
	// Enables the OpenStack Cinder in-tree driver to OpenStack Cinder CSI Driver migration feature.
	CSIMigrationOpenStack featuregate.Feature = "CSIMigrationOpenStack"

	// owner: @trierra
	// alpha: v1.23
	//
	// Enables the Portworx in-tree driver to Portworx migration feature.
	CSIMigrationPortworx featuregate.Feature = "CSIMigrationPortworx"

	// owner: @humblec
	// alpha: v1.23
	//
	// Enables the RBD in-tree driver to RBD CSI Driver  migration feature.
	CSIMigrationRBD featuregate.Feature = "CSIMigrationRBD"

	// owner: @divyenpatel
	// beta: v1.19 (requires: vSphere vCenter/ESXi Version: 7.0u2, HW Version: VM version 15)
	//
	// Enables the vSphere in-tree driver to vSphere CSI Driver migration feature.
	CSIMigrationvSphere featuregate.Feature = "CSIMigrationvSphere"

	// owner: @humblec, @zhucan
	// kep: http://kep.k8s.io/3171
	// alpha: v1.25
	//
	// Enables SecretRef field in CSI NodeExpandVolume request.
	CSINodeExpandSecret featuregate.Feature = "CSINodeExpandSecret"

	// owner: @pohly
	// alpha: v1.19
	// beta: v1.21
	// GA: v1.24
	//
	// Enables tracking of available storage capacity that CSI drivers provide.
	CSIStorageCapacity featuregate.Feature = "CSIStorageCapacity"

	// owner: @fengzixu
	// alpha: v1.21
	//
	// Enables kubelet to detect CSI volume condition and send the event of the abnormal volume to the corresponding pod that is using it.
	CSIVolumeHealth featuregate.Feature = "CSIVolumeHealth"

	// owner: @enj
	// beta: v1.22
	// ga: v1.24
	//
	// Allows clients to request a duration for certificates issued via the Kubernetes CSR API.
	CSRDuration featuregate.Feature = "CSRDuration"

	// owner: @adrianreber
	// kep: http://kep.k8s.io/2008
	// alpha: v1.25
	//
	// Enables container Checkpoint support in the kubelet
	ContainerCheckpoint featuregate.Feature = "ContainerCheckpoint"

	// owner: @jiahuif
	// alpha: v1.21
	// beta:  v1.22
	// GA:    v1.24
	//
	// Enables Leader Migration for kube-controller-manager and cloud-controller-manager
	ControllerManagerLeaderMigration featuregate.Feature = "ControllerManagerLeaderMigration"

	// owner: @deejross, @soltysh
	// kep: http://kep.k8s.io/3140
	// alpha: v1.24
	// beta: v1.25
	//
	// Enables support for time zones in CronJobs.
	CronJobTimeZone featuregate.Feature = "CronJobTimeZone"

	// owner: @smarterclayton
	// alpha: v1.21
	// beta: v1.22
	// GA: v1.25
	// DaemonSets allow workloads to maintain availability during update per node
	DaemonSetUpdateSurge featuregate.Feature = "DaemonSetUpdateSurge"

	// owner: @alculquicondor
	// alpha: v1.19
	// beta: v1.20
	// GA: v1.24
	//
	// Enables the use of PodTopologySpread scheduling plugin to do default
	// spreading and disables legacy SelectorSpread plugin.
	DefaultPodTopologySpread featuregate.Feature = "DefaultPodTopologySpread"

	// owner: @gnufied, @verult
	// alpha: v1.22
	// beta: v1.23
	// If supported by the CSI driver, delegates the role of applying FSGroup to
	// the driver by passing FSGroup through the NodeStageVolume and
	// NodePublishVolume calls.
	DelegateFSGroupToCSIDriver featuregate.Feature = "DelegateFSGroupToCSIDriver"

	// owner: @jiayingz
	// beta: v1.10
	//
	// Enables support for Device Plugins
	DevicePlugins featuregate.Feature = "DevicePlugins"

	// owner: @RenaudWasTaken @dashpole
	// alpha: v1.19
	// beta: v1.20
	// ga: v1.25
	//
	// Disables Accelerator Metrics Collected by Kubelet
	DisableAcceleratorUsageMetrics featuregate.Feature = "DisableAcceleratorUsageMetrics"

	// owner: @andrewsykim
	// alpha: v1.22
	//
	// Disable any functionality in kube-apiserver, kube-controller-manager and kubelet related to the `--cloud-provider` component flag.
	DisableCloudProviders featuregate.Feature = "DisableCloudProviders"

	// owner: @andrewsykim
	// alpha: v1.23
	//
	// Disable in-tree functionality in kubelet to authenticate to cloud provider container registries for image pull credentials.
	DisableKubeletCloudCredentialProviders featuregate.Feature = "DisableKubeletCloudCredentialProviders"

	// owner: @derekwaynecarr
	// alpha: v1.20
	// beta: v1.21 (off by default until 1.22)
	//
	// Enables usage of hugepages-<size> in downward API.
	DownwardAPIHugePages featuregate.Feature = "DownwardAPIHugePages"

	// owner: @mtaufen
	// alpha: v1.4
	// beta: v1.11
	// deprecated: 1.22
	DynamicKubeletConfig featuregate.Feature = "DynamicKubeletConfig"

	// owner: @andrewsykim
	// kep: http://kep.k8s.io/1672
	// alpha: v1.20
	// beta: v1.22
	//
	// Enable Terminating condition in Endpoint Slices.
	EndpointSliceTerminatingCondition featuregate.Feature = "EndpointSliceTerminatingCondition"

	// owner: @verb
	// alpha: v1.16
	// beta: v1.23
	// GA: v1.25
	//
	// Allows running an ephemeral container in pod namespaces to troubleshoot a running pod.
	EphemeralContainers featuregate.Feature = "EphemeralContainers"

	// owner: @andrewsykim @SergeyKanzhelev
	// GA: v1.20
	//
	// Ensure kubelet respects exec probe timeouts. Feature gate exists in-case existing workloads
	// may depend on old behavior where exec probe timeouts were ignored.
	// Lock to default and remove after v1.22 based on user feedback that should be reflected in KEP #1972 update
	ExecProbeTimeout featuregate.Feature = "ExecProbeTimeout"

	// owner: @gnufied
	// alpha: v1.14
	// beta: v1.16
	// GA: 1.24
	// Ability to expand CSI volumes
	ExpandCSIVolumes featuregate.Feature = "ExpandCSIVolumes"

	// owner: @mlmhl @gnufied
	// beta: v1.15
	// GA: 1.24
	// Ability to expand persistent volumes' file system without unmounting volumes.
	ExpandInUsePersistentVolumes featuregate.Feature = "ExpandInUsePersistentVolumes"

	// owner: @gnufied
	// beta: v1.11
	// GA: 1.24
	// Ability to Expand persistent volumes
	ExpandPersistentVolumes featuregate.Feature = "ExpandPersistentVolumes"

	// owner: @gjkim42
	// kep: http://kep.k8s.io/2595
	// alpha: v1.22
	//
	// Enables apiserver and kubelet to allow up to 32 DNSSearchPaths and up to 2048 DNSSearchListChars.
	ExpandedDNSConfig featuregate.Feature = "ExpandedDNSConfig"

	// owner: @pweil-
	// alpha: v1.5
	//
	// Default userns=host for containers that are using other host namespaces, host mounts, the pod
	// contains a privileged container, or specific non-namespaced capabilities (MKNOD, SYS_MODULE,
	// SYS_TIME). This should only be enabled if user namespace remapping is enabled in the docker daemon.
	ExperimentalHostUserNamespaceDefaultingGate featuregate.Feature = "ExperimentalHostUserNamespaceDefaulting"

	// owner: @yuzhiquan, @bowei, @PxyUp, @SergeyKanzhelev
	// kep: http://kep.k8s.io/2727
	// alpha: v1.23
	// beta: v1.24
	//
	// Enables GRPC probe method for {Liveness,Readiness,Startup}Probe.
	GRPCContainerProbe featuregate.Feature = "GRPCContainerProbe"

	// owner: @bobbypage
	// alpha: v1.20
	// beta:  v1.21
	// Adds support for kubelet to detect node shutdown and gracefully terminate pods prior to the node being shutdown.
	GracefulNodeShutdown featuregate.Feature = "GracefulNodeShutdown"

	// owner: @wzshiming
	// alpha: v1.23
	// beta:  v1.24
	// Make the kubelet use shutdown configuration based on pod priority values for graceful shutdown.
	GracefulNodeShutdownBasedOnPodPriority featuregate.Feature = "GracefulNodeShutdownBasedOnPodPriority"

	// owner: @arjunrn @mwielgus @josephburnett
	// alpha: v1.20
	//
	// Add support for the HPA to scale based on metrics from individual containers
	// in target pods
	HPAContainerMetrics featuregate.Feature = "HPAContainerMetrics"

	// owner: @dxist
	// alpha: v1.16
	//
	// Enables support of HPA scaling to zero pods when an object or custom metric is configured.
	HPAScaleToZero featuregate.Feature = "HPAScaleToZero"

	// owner: @deepakkinni @xing-yang
	// kep: http://kep.k8s.io/2680
	// alpha: v1.23
	//
	// Honor Persistent Volume Reclaim Policy when it is "Delete" irrespective of PV-PVC
	// deletion ordering.
	HonorPVReclaimPolicy featuregate.Feature = "HonorPVReclaimPolicy"

	// owner: @ravig
	// alpha: v1.23
	// beta: v1.24
	// GA: v1.25
	// IdentifyPodOS allows user to specify OS on which they'd like the Pod run. The user should still set the nodeSelector
	// with appropriate `kubernetes.io/os` label for scheduler to identify appropriate node for the pod to run.
	IdentifyPodOS featuregate.Feature = "IdentifyPodOS"

	// owner: @leakingtapan
	// alpha: v1.21
	//
	// Disables the AWS EBS in-tree driver.
	InTreePluginAWSUnregister featuregate.Feature = "InTreePluginAWSUnregister"

	// owner: @andyzhangx
	// alpha: v1.21
	//
	// Disables the Azure Disk in-tree driver.
	InTreePluginAzureDiskUnregister featuregate.Feature = "InTreePluginAzureDiskUnregister"

	// owner: @andyzhangx
	// alpha: v1.21
	//
	// Disables the Azure File in-tree driver.
	InTreePluginAzureFileUnregister featuregate.Feature = "InTreePluginAzureFileUnregister"

	// owner: @Jiawei0227
	// alpha: v1.21
	//
	// Disables the GCE PD in-tree driver.
	InTreePluginGCEUnregister featuregate.Feature = "InTreePluginGCEUnregister"

	// owner: @adisky
	// alpha: v1.21
	//
	// Disables the OpenStack Cinder in-tree driver.
	InTreePluginOpenStackUnregister featuregate.Feature = "InTreePluginOpenStackUnregister"

	// owner: @trierra
	// alpha: v1.23
	//
	// Disables the Portworx in-tree driver.
	InTreePluginPortworxUnregister featuregate.Feature = "InTreePluginPortworxUnregister"

	// owner: @humblec
	// alpha: v1.23
	//
	// Disables the RBD in-tree driver.
	InTreePluginRBDUnregister featuregate.Feature = "InTreePluginRBDUnregister"

	// owner: @divyenpatel
	// alpha: v1.21
	//
	// Disables the vSphere in-tree driver.
	InTreePluginvSphereUnregister featuregate.Feature = "InTreePluginvSphereUnregister"

	// owner: @alculquicondor
	// alpha: v1.21
	// beta: v1.22
	// stable: v1.24
	//
	// Allows Job controller to manage Pod completions per completion index.
	IndexedJob featuregate.Feature = "IndexedJob"

	// owner: @danwinship
	// kep: http://kep.k8s.io/3178
	// alpha: v1.25
	//
	// Causes kubelet to no longer create legacy IPTables rules
	IPTablesOwnershipCleanup featuregate.Feature = "IPTablesOwnershipCleanup"

	// owner: @mimowo
	// kep: http://kep.k8s.io/3329
	// alpha: v1.25
	//
	// Allow users to specify handling of pod failures based on container exit codes
	// and pod conditions.
	JobPodFailurePolicy featuregate.Feature = "JobPodFailurePolicy"

	// owner: @ahg
	// beta: v1.23
	//
	// Allow updating node scheduling directives in the pod template of jobs. Specifically,
	// node affinity, selector and tolerations. This is allowed only for suspended jobs
	// that have never been unsuspended before.
	JobMutableNodeSchedulingDirectives featuregate.Feature = "JobMutableNodeSchedulingDirectives"

	// owner: @alculquicondor
	// alpha: v1.23
	// beta: v1.24
	//
	// Track the number of pods with Ready condition in the Job status.
	JobReadyPods featuregate.Feature = "JobReadyPods"

	// owner: @alculquicondor
	// alpha: v1.22
	// beta: v1.23
	//
	// Track Job completion without relying on Pod remaining in the cluster
	// indefinitely. Pod finalizers, in addition to a field in the Job status
	// allow the Job controller to keep track of Pods that it didn't account for
	// yet.
	JobTrackingWithFinalizers featuregate.Feature = "JobTrackingWithFinalizers"

	// owner: @andrewsykim @adisky
	// alpha: v1.20
	// beta: v1.24
	// ga: v1.26
	//
	// Enable kubelet exec plugins for image pull credentials.
	KubeletCredentialProviders featuregate.Feature = "KubeletCredentialProviders"

	// owner: @AkihiroSuda
	// alpha: v1.22
	//
	// Enables support for running kubelet in a user namespace.
	// The user namespace has to be created before running kubelet.
	// All the node components such as CRI need to be running in the same user namespace.
	KubeletInUserNamespace featuregate.Feature = "KubeletInUserNamespace"

	// owner: @dashpole
	// alpha: v1.13
	// beta: v1.15
	//
	// Enables the kubelet's pod resources grpc endpoint
	KubeletPodResources featuregate.Feature = "KubeletPodResources"
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