features

Documentation

Index

• Constants

Constants

const (

	// owner: @ttakahashi21 @mkimuram
	// kep: https://kep.k8s.io/3294
	// alpha: v1.26
	//
	// Enable usage of Provision of PVCs from snapshots in other namespaces
	CrossNamespaceVolumeDataSource featuregate.Feature = "CrossNamespaceVolumeDataSource"

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

	// owner: @nabokihms
	// alpha: v1.26
	// beta: v1.27
	// GA: v1.28
	//
	// Enables API to get self subject attributes after authentication.
	APISelfSubjectReview featuregate.Feature = "APISelfSubjectReview"

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

	// owner: @danwinship
	// alpha: v1.27
	//
	// Enables dual-stack --node-ip in kubelet with external cloud providers
	CloudDualStackNodeIPs featuregate.Feature = "CloudDualStackNodeIPs"

	// owner: @ahmedtd
	// alpha: v1.26
	//
	// Enable ClusterTrustBundle objects and Kubelet integration.
	ClusterTrustBundle featuregate.Feature = "ClusterTrustBundle"

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

	// owner: @ConnorDoyle, @fromanirh (only for GA graduation)
	// alpha: v1.8
	// beta: v1.10
	// GA: v1.26
	//
	// 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: @andyzhangx
	// alpha: v1.15
	// beta: v1.21
	// GA: v1.26
	//
	// Enables the Azure File in-tree driver to Azure File Driver migration feature.
	CSIMigrationAzureFile featuregate.Feature = "CSIMigrationAzureFile"

	// owner: @mfordjody
	// alpha: v1.26
	//
	// Skip validation Enable in next version
	SkipReadOnlyValidationGCE featuregate.Feature = "SkipReadOnlyValidationGCE"

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

	// owner: @humblec
	// alpha: v1.23
	// deprecated: v1.28
	//
	// 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)
	// GA: 1.26
	// Enables the vSphere in-tree driver to vSphere CSI Driver migration feature.
	CSIMigrationvSphere featuregate.Feature = "CSIMigrationvSphere"

	// owner: @humblec, @zhucan
	// kep: https://kep.k8s.io/3171
	// alpha: v1.25
	// beta: v1.27
	//
	// Enables SecretRef field in CSI NodeExpandVolume request.
	CSINodeExpandSecret featuregate.Feature = "CSINodeExpandSecret"

	// 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: @nckturner
	// kep:  http://kep.k8s.io/2699
	// alpha: v1.27
	// Enable webhooks in cloud controller manager
	CloudControllerManagerWebhook featuregate.Feature = "CloudControllerManagerWebhook"

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

	// owner: @bhcleek @wzshiming
	// GA: v1.25
	//
	// Normalize HttpGet URL and Header passing for lifecycle handlers with probers.
	ConsistentHTTPGetHandlers featuregate.Feature = "ConsistentHTTPGetHandlers"

	// owner: @helayoty
	// beta: v1.28
	// Set the scheduled time as an annotation in the job.
	CronJobsScheduledAnnotation featuregate.Feature = "CronJobsScheduledAnnotation"

	// owner: @deejross, @soltysh
	// kep: https://kep.k8s.io/3140
	// alpha: v1.24
	// beta: v1.25
	// GA: 1.27
	//
	// Enables support for time zones in CronJobs.
	CronJobTimeZone featuregate.Feature = "CronJobTimeZone"

	// owner: @thockin
	// deprecated: v1.28
	//
	// Changes when the default value of PodSpec.containers[].ports[].hostPort
	// is assigned.  The default is to only set a default value in Pods.
	// Enabling this means a default will be assigned even to embeddedPodSpecs
	// (e.g. in a Deployment), which is the historical default.
	DefaultHostNetworkHostPortsInPodTemplates featuregate.Feature = "DefaultHostNetworkHostPortsInPodTemplates"

	// owner: @elezar
	// kep: http://kep.k8s.io/4009
	// alpha: v1.28
	//
	// Add support for CDI Device IDs in the Device Plugin API.
	DevicePluginCDIDevices featuregate.Feature = "DevicePluginCDIDevices"

	// 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)
	// ga: v1.27
	//
	// Enables usage of hugepages-<size> in downward API.
	DownwardAPIHugePages featuregate.Feature = "DownwardAPIHugePages"

	// owner: @pohly
	// kep: http://kep.k8s.io/3063
	// alpha: v1.26
	//
	// Enables support for resources with custom parameters and a lifecycle
	// that is independent of a Pod.
	DynamicResourceAllocation featuregate.Feature = "DynamicResourceAllocation"

	// owner: @harche
	// kep: http://kep.k8s.io/3386
	// alpha: v1.25
	//
	// Allows using event-driven PLEG (pod lifecycle event generator) through kubelet
	// which avoids frequent relisting of containers which helps optimize performance.
	EventedPLEG featuregate.Feature = "EventedPLEG"

	// 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: @gjkim42
	// kep: https://kep.k8s.io/2595
	// alpha: v1.22
	// beta: v1.26
	// GA: v1.28
	//
	// Enables apiserver and kubelet to allow up to 32 DNSSearchPaths and up to 2048 DNSSearchListChars.
	ExpandedDNSConfig featuregate.Feature = "ExpandedDNSConfig"

	// owner: @pweil-
	// alpha: v1.5
	// deprecated: v1.28
	//
	// This flag used to be needed for dockershim CRI and currently does nothing.
	ExperimentalHostUserNamespaceDefaultingGate featuregate.Feature = "ExperimentalHostUserNamespaceDefaulting"

	// owner: @yuzhiquan, @bowei, @PxyUp, @SergeyKanzhelev
	// kep: https://kep.k8s.io/2727
	// alpha: v1.23
	// beta: v1.24
	// stable: v1.27
	//
	// 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 @sanposhiho
	// kep: https://kep.k8s.io/1610
	// alpha: v1.20
	// beta:  v1.27
	//
	// 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: https://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: @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
	// deprecated: v1.28
	//
	// 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: @danwinship
	// kep: https://kep.k8s.io/3178
	// alpha: v1.25
	// beta: v1.27
	// stable: v1.28
	//
	// Causes kubelet to no longer create legacy IPTables rules
	IPTablesOwnershipCleanup featuregate.Feature = "IPTablesOwnershipCleanup"

	// owner: @mimowo
	// kep: https://kep.k8s.io/3850
	// alpha: v1.28
	//
	// Allows users to specify counting of failed pods per index.
	JobBackoffLimitPerIndex featuregate.Feature = "JobBackoffLimitPerIndex"

	// owner: @ahg
	// beta: v1.23
	// stable: v1.27
	//
	// 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: @mimowo
	// kep: https://kep.k8s.io/3329
	// alpha: v1.25
	// beta: v1.26
	//
	// Allow users to specify handling of pod failures based on container exit codes
	// and pod conditions.
	JobPodFailurePolicy featuregate.Feature = "JobPodFailurePolicy"

	// owner: @kannon92
	// kep : https://kep.k8s.io/3939
	// alpha: v1.28
	//
	// Allow users to specify recreating pods of a job only when
	// pods have fully terminated.
	JobPodReplacementPolicy featuregate.Feature = "JobPodReplacementPolicy"
	// 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
	// stable: v1.26
	//
	// 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: @marquiz
	// kep: http://kep.k8s.io/4033
	// alpha: v1.28
	//
	// Enable detection of the kubelet cgroup driver configuration option from
	// the CRI.  The CRI runtime also needs to support this feature in which
	// case the kubelet will ignore the cgroupDriver (--cgroup-driver)
	// configuration option. If runtime doesn't support it, the kubelet will
	// fallback to using it's cgroupDriver option.
	KubeletCgroupDriverFromCRI featuregate.Feature = "KubeletCgroupDriverFromCRI"

	// 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, @ffromani (only for GA graduation)
	// alpha: v1.13
	// beta: v1.15
	// GA: v1.28
	//
	// Enables the kubelet's pod resources grpc endpoint
	KubeletPodResources featuregate.Feature = "KubeletPodResources"

	// owner: @moshe010
	// alpha: v1.27
	//
	// Enable POD resources API to return resources allocated by Dynamic Resource Allocation
	KubeletPodResourcesDynamicResources featuregate.Feature = "KubeletPodResourcesDynamicResources"

	// owner: @moshe010
	// alpha: v1.27
	//
	// Enable POD resources API with Get method
	KubeletPodResourcesGet featuregate.Feature = "KubeletPodResourcesGet"

	// owner: @ffromani
	// alpha: v1.21
	// beta: v1.23
	// GA: v1.28
	// Enable POD resources API to return allocatable resources
	KubeletPodResourcesGetAllocatable featuregate.Feature = "KubeletPodResourcesGetAllocatable"

	// owner: @sallyom
	// kep: https://kep.k8s.io/2832
	// alpha: v1.25
	// beta: v1.27
	//
	// Add support for distributed tracing in the kubelet
	KubeletTracing featuregate.Feature = "KubeletTracing"

	// owner: @alexanderConstantinescu
	// kep: http://kep.k8s.io/3836
	// alpha: v1.28
	//
	// Implement connection draining for terminating nodes for
	// `externalTrafficPolicy: Cluster` services.
	KubeProxyDrainingTerminatingNodes featuregate.Feature = "KubeProxyDrainingTerminatingNodes"

	// owner: @zshihang
	// kep: https://kep.k8s.io/2800
	// beta: v1.24
	// ga: v1.26
	//
	// Stop auto-generation of secret-based service account tokens.
	LegacyServiceAccountTokenNoAutoGeneration featuregate.Feature = "LegacyServiceAccountTokenNoAutoGeneration"

	// owner: @zshihang
	// kep: http://kep.k8s.io/2800
	// alpha: v1.26
	// beta: v1.27
	//
	// Enables tracking of secret-based service account tokens usage.
	LegacyServiceAccountTokenTracking featuregate.Feature = "LegacyServiceAccountTokenTracking"

	// owner: @yt2985
	// kep: http://kep.k8s.io/2800
	// alpha: v1.28
	//
	// Enables cleaning up of secret-based service account tokens.
	LegacyServiceAccountTokenCleanUp featuregate.Feature = "LegacyServiceAccountTokenCleanUp"

	// owner: @RobertKrawitz
	// alpha: v1.15
	//
	// Allow use of filesystems for ephemeral storage monitoring.
	// Only applies if LocalStorageCapacityIsolation is set.
	LocalStorageCapacityIsolationFSQuotaMonitoring featuregate.Feature = "LocalStorageCapacityIsolationFSQuotaMonitoring"

	// owner: @damemi
	// alpha: v1.21
	// beta: v1.22
	//
	// Enables scaling down replicas via logarithmic comparison of creation/ready timestamps
	LogarithmicScaleDown featuregate.Feature = "LogarithmicScaleDown"

	// owner: @denkensk
	// kep: https://kep.k8s.io/3243
	// alpha: v1.25
	// beta: v1.27
	//
	// Enable MatchLabelKeys in PodTopologySpread.
	MatchLabelKeysInPodTopologySpread featuregate.Feature = "MatchLabelKeysInPodTopologySpread"

	// owner: @krmayankk
	// alpha: v1.24
	//
	// Enables maxUnavailable for StatefulSet
	MaxUnavailableStatefulSet featuregate.Feature = "MaxUnavailableStatefulSet"

	// owner: @cynepco3hahue(alukiano) @cezaryzukowski @k-wiatrzyk
	// alpha: v1.21
	// beta: v1.22
	// Allows setting memory affinity for a container based on NUMA topology
	MemoryManager featuregate.Feature = "MemoryManager"

	// owner: @xiaoxubeii
	// kep: https://kep.k8s.io/2570
	// alpha: v1.22
	//
	// Enables kubelet to support memory QoS with cgroups v2.
	MemoryQoS featuregate.Feature = "MemoryQoS"

	// owner: @sanposhiho
	// kep: https://kep.k8s.io/3022
	// alpha: v1.24
	// beta: v1.25
	//
	// Enable MinDomains in Pod Topology Spread.
	MinDomainsInPodTopologySpread featuregate.Feature = "MinDomainsInPodTopologySpread"

	// owner: @danwinship
	// kep: http://kep.k8s.io/3453
	// alpha: v1.26
	// beta: v1.27
	//
	// Enables new performance-improving code in kube-proxy iptables mode
	MinimizeIPTablesRestore featuregate.Feature = "MinimizeIPTablesRestore"

	// owner: @sarveshr7
	// kep: https://kep.k8s.io/2593
	// alpha: v1.25
	//
	// Enables the MultiCIDR Range allocator.
	MultiCIDRRangeAllocator featuregate.Feature = "MultiCIDRRangeAllocator"

	// owner: @aojea
	// kep: https://kep.k8s.io/1880
	// alpha: v1.27
	//
	// Enables the dynamic configuration of Service IP ranges
	MultiCIDRServiceAllocator featuregate.Feature = "MultiCIDRServiceAllocator"

	// owner: @jsafrane
	// kep: https://kep.k8s.io/3756
	// alpha: v1.25 (as part of SELinuxMountReadWriteOncePod)
	// beta: v1.27
	// Robust VolumeManager reconstruction after kubelet restart.
	NewVolumeManagerReconstruction featuregate.Feature = "NewVolumeManagerReconstruction"

	// owner: @aravindhp @LorbusChris
	// kep: http://kep.k8s.io/2271
	// alpha: v1.27
	//
	// Enables querying logs of node services using the /logs endpoint
	NodeLogQuery featuregate.Feature = "NodeLogQuery"

	// owner: @xing-yang @sonasingh46
	// kep: https://kep.k8s.io/2268
	// alpha: v1.24
	// beta: v1.26
	// GA: v1.28
	//
	// Allow pods to failover to a different node in case of non graceful node shutdown
	NodeOutOfServiceVolumeDetach featuregate.Feature = "NodeOutOfServiceVolumeDetach"

	// owner: @iholder101
	// alpha: v1.22
	// beta1: v1.28. For more info, please look at the KEP: https://kep.k8s.io/2400.
	//
	// Permits kubelet to run with swap enabled
	NodeSwap featuregate.Feature = "NodeSwap"

	// owner: @mortent, @atiratree, @ravig
	// kep: http://kep.k8s.io/3018
	// alpha: v1.26
	// beta: v1.27
	//
	// Enables PDBUnhealthyPodEvictionPolicy for PodDisruptionBudgets
	PDBUnhealthyPodEvictionPolicy featuregate.Feature = "PDBUnhealthyPodEvictionPolicy"

	// owner: @RomanBednar
	// kep: https://kep.k8s.io/3762
	// alpha: v1.28
	//
	// Adds a new field to persistent volumes which holds a timestamp of when the volume last transitioned its phase.
	PersistentVolumeLastPhaseTransitionTime featuregate.Feature = "PersistentVolumeLastPhaseTransitionTime"

	// owner: @haircommander
	// kep: https://kep.k8s.io/2364
	// alpha: v1.23
	//
	// Configures the Kubelet to use the CRI to populate pod and container stats, instead of supplimenting with stats from cAdvisor.
	// Requires the CRI implementation supports supplying the required stats.
	PodAndContainerStatsFromCRI featuregate.Feature = "PodAndContainerStatsFromCRI"

	// owner: @ahg-g
	// alpha: v1.21
	// beta: v1.22
	//
	// Enables controlling pod ranking on replicaset scale-down.
	PodDeletionCost featuregate.Feature = "PodDeletionCost"

	// owner: @mimowo
	// kep: https://kep.k8s.io/3329
	// alpha: v1.25
	// beta: v1.26
	//
	// Enables support for appending a dedicated pod condition indicating that
	// the pod is being deleted due to a disruption.
	PodDisruptionConditions featuregate.Feature = "PodDisruptionConditions"

	// owner: @danielvegamyhre
	// kep: https://kep.k8s.io/4017
	// beta: v1.28
	//
	// Set pod completion index as a pod label for Indexed Jobs.
	PodIndexLabel featuregate.Feature = "PodIndexLabel"

	// owner: @ddebroy
	// alpha: v1.25
	//
	// Enables reporting of PodReadyToStartContainersCondition condition in pod status after pod
	// sandbox creation and network configuration completes successfully
	PodReadyToStartContainersCondition featuregate.Feature = "PodReadyToStartContainersCondition"

	// owner: @wzshiming
	// kep: http://kep.k8s.io/2681
	// alpha: v1.28
	//
	// Adds pod.status.hostIPs and downward API
	PodHostIPs featuregate.Feature = "PodHostIPs"

	// owner: @Huang-Wei
	// kep: https://kep.k8s.io/3521
	// alpha: v1.26
	// beta: v1.27
	//
	// Enable users to specify when a Pod is ready for scheduling.
	PodSchedulingReadiness featuregate.Feature = "PodSchedulingReadiness"

	// owner: @rphillips
	// alpha: v1.21
	// beta: v1.22
	// ga: v1.28
	//
	// Allows user to override pod-level terminationGracePeriod for probes
	ProbeTerminationGracePeriod featuregate.Feature = "ProbeTerminationGracePeriod"

	// owner: @jessfraz
	// alpha: v1.12
	//
	// Enables control over ProcMountType for containers.
	ProcMountType featuregate.Feature = "ProcMountType"

	// owner: @andrewsykim
	// kep: https://kep.k8s.io/1669
	// alpha: v1.22
	// beta: v1.26
	// GA: v1.28
	//
	// Enable kube-proxy to handle terminating ednpoints when externalTrafficPolicy=Local
	ProxyTerminatingEndpoints featuregate.Feature = "ProxyTerminatingEndpoints"

	// owner: @sjenning
	// alpha: v1.11
	//
	// Allows resource reservations at the QoS level preventing pods at lower QoS levels from
	// bursting into resources requested at higher QoS levels (memory only for now)
	QOSReserved featuregate.Feature = "QOSReserved"

	// owner: @chrishenzie
	// kep: https://kep.k8s.io/2485
	// alpha: v1.22
	// beta: v1.27
	//
	// Enables usage of the ReadWriteOncePod PersistentVolume access mode.
	ReadWriteOncePod featuregate.Feature = "ReadWriteOncePod"

	// owner: @gnufied
	// kep: https://kep.k8s.io/1790
	// alpha: v1.23
	//
	// Allow users to recover from volume expansion failure
	RecoverVolumeExpansionFailure featuregate.Feature = "RecoverVolumeExpansionFailure"

	// owner: @RomanBednar
	// kep: https://kep.k8s.io/3333
	// alpha: v1.25
	// beta: 1.26
	// stable: v1.28
	//
	// Allow assigning StorageClass to unbound PVCs retroactively
	RetroactiveDefaultStorageClass featuregate.Feature = "RetroactiveDefaultStorageClass"

	// owner: @mikedanese
	// alpha: v1.7
	// beta: v1.12
	//
	// Gets a server certificate for the kubelet from the Certificate Signing
	// Request API instead of generating one self signed and auto rotates the
	// certificate as expiration approaches.
	RotateKubeletServerCertificate featuregate.Feature = "RotateKubeletServerCertificate"

	// owner: @danielvegamyhre
	// kep: https://kep.k8s.io/2413
	// beta: v1.27
	//
	// Allows mutating spec.completions for Indexed job when done in tandem with
	// spec.parallelism. Specifically, spec.completions is mutable iff spec.completions
	// equals to spec.parallelism before and after the update.
	ElasticIndexedJob featuregate.Feature = "ElasticIndexedJob"

	// owner: @sanposhiho
	// kep: http://kep.k8s.io/3063
	// beta: v1.28
	//
	// Enables the scheduler's enhancement called QueueingHints,
	// which benefits to reduce the useless requeueing.
	SchedulerQueueingHints featuregate.Feature = "SchedulerQueueingHints"

	// owner: @saschagrunert
	// kep: https://kep.k8s.io/2413
	// alpha: v1.22
	// beta: v1.25
	// ga: v1.27
	//
	// Enables the use of `RuntimeDefault` as the default seccomp profile for all workloads.
	SeccompDefault featuregate.Feature = "SeccompDefault"

	// owner: @mtardy
	// alpha: v1.0
	//
	// Putting this admission plugin behind a feature gate is part of the
	// deprecation process. For details about the removal see:
	// https://github.com/kubernetes/kubernetes/issues/111516
	SecurityContextDeny featuregate.Feature = "SecurityContextDeny"

	// owner: @xuzhenglun
	// kep: http://kep.k8s.io/3682
	// alpha: v1.27
	// beta: v1.28
	//
	// Subdivide the NodePort range for dynamic and static port allocation.
	ServiceNodePortStaticSubrange featuregate.Feature = "ServiceNodePortStaticSubrange"

	// owner: @gjkim42 @SergeyKanzhelev @matthyx @tzneal
	// kep: http://kep.k8s.io/753
	// alpha: v1.28
	//
	// Introduces sidecar containers, a new type of init container that starts
	// before other containers but remains running for the full duration of the
	// pod's lifecycle and will not block pod termination.
	SidecarContainers featuregate.Feature = "SidecarContainers"

	// owner: @derekwaynecarr
	// alpha: v1.20
	// beta: v1.22
	//
	// Enables kubelet support to size memory backed volumes
	SizeMemoryBackedVolumes featuregate.Feature = "SizeMemoryBackedVolumes"

	// 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"

	// owner: @mattcary
	// alpha: v1.22
	// beta: v1.27
	//
	// Enables policies controlling deletion of PVCs created by a StatefulSet.
	StatefulSetAutoDeletePVC featuregate.Feature = "StatefulSetAutoDeletePVC"

	// owner: @psch
	// alpha: v1.26
	// beta: v1.27
	//
	// Enables a StatefulSet to start from an arbitrary non zero ordinal
	StatefulSetStartOrdinal featuregate.Feature = "StatefulSetStartOrdinal"

	// owner: @robscott
	// kep: https://kep.k8s.io/2433
	// alpha: v1.21
	// beta: v1.23
	//
	// Enables topology aware hints for EndpointSlices
	TopologyAwareHints featuregate.Feature = "TopologyAwareHints"

	// owner: @lmdaly, @swatisehgal (for GA graduation)
	// alpha: v1.16
	// beta: v1.18
	// GA: v1.27
	//
	// Enable resource managers to make NUMA aligned decisions
	TopologyManager featuregate.Feature = "TopologyManager"

	// owner: @PiotrProkop
	// kep: https://kep.k8s.io/3545
	// alpha: v1.26
	//
	// Allow fine-tuning of topology manager policies with alpha options.
	// This feature gate:
	// - will guard *a group* of topology manager options whose quality level is alpha.
	// - will never graduate to beta or stable.
	TopologyManagerPolicyAlphaOptions featuregate.Feature = "TopologyManagerPolicyAlphaOptions"

	// owner: @PiotrProkop
	// kep: https://kep.k8s.io/3545
	// alpha: v1.26
	//
	// Allow fine-tuning of topology manager policies with beta options.
	// This feature gate:
	// - will guard *a group* of topology manager options whose quality level is beta.
	// - is thus *introduced* as beta
	// - will never graduate to stable.
	TopologyManagerPolicyBetaOptions featuregate.Feature = "TopologyManagerPolicyBetaOptions"

	// owner: @PiotrProkop
	// kep: https://kep.k8s.io/3545
	// alpha: v1.26
	//
	// Allow the usage of options to fine-tune the topology manager policies.
	TopologyManagerPolicyOptions featuregate.Feature = "TopologyManagerPolicyOptions"

	// owner: @richabanker
	// alpha: v1.28
	//
	// Proxies client to an apiserver capable of serving the request in the event of version skew.
	UnknownVersionInteroperabilityProxy featuregate.Feature = "UnknownVersionInteroperabilityProxy"

	// owner: @rata, @giuseppe
	// kep: https://kep.k8s.io/127
	// alpha: v1.25
	//
	// Enables user namespace support for stateless pods.
	UserNamespacesSupport featuregate.Feature = "UserNamespacesSupport"

	// owner: @cofyc
	// alpha: v1.21
	VolumeCapacityPriority featuregate.Feature = "VolumeCapacityPriority"

	// owner: @ksubrmnn
	// alpha: v1.14
	//
	// Allows kube-proxy to create DSR loadbalancers for Windows
	WinDSR featuregate.Feature = "WinDSR"

	// owner: @ksubrmnn
	// alpha: v1.14
	// beta: v1.20
	//
	// Allows kube-proxy to run in Overlay mode for Windows
	WinOverlay featuregate.Feature = "WinOverlay"

	// owner: @marosset
	// kep: https://kep.k8s.io/3503
	// alpha: v1.26
	//
	// Enables support for joining Windows containers to a hosts' network namespace.
	WindowsHostNetwork featuregate.Feature = "WindowsHostNetwork"

	// owner: @kerthcet
	// kep: https://kep.k8s.io/3094
	// alpha: v1.25
	// beta: v1.26
	//
	// Allow users to specify whether to take nodeAffinity/nodeTaint into consideration when
	// calculating pod topology spread skew.
	NodeInclusionPolicyInPodTopologySpread featuregate.Feature = "NodeInclusionPolicyInPodTopologySpread"

	// owner: @jsafrane
	// kep: https://kep.k8s.io/1710
	// alpha: v1.25
	// beta: v1.27
	// Speed up container startup by mounting volumes with the correct SELinux label
	// instead of changing each file on the volumes recursively.
	// Initial implementation focused on ReadWriteOncePod volumes.
	SELinuxMountReadWriteOncePod featuregate.Feature = "SELinuxMountReadWriteOncePod"

	// owner: @vinaykul
	// kep: http://kep.k8s.io/1287
	// alpha: v1.27
	//
	// Enables In-Place Pod Vertical Scaling
	InPlacePodVerticalScaling featuregate.Feature = "InPlacePodVerticalScaling"
)