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Fix errors, inconsistencies, missing information in feature gates 

This PR fixes the feature gates by cross-referencing the upstream source
code and its change log. There are some gates missing, some gates
removed and some gates added but not documented.
pull/38616/head
Qiming Teng 2022-12-23 21:10:12 +08:00
parent 47103b9f1d
commit 7dc77cf45f
2 changed files with 114 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
content/en/docs/reference/command-line-tools-reference/feature-gates-removed.md
View File

@ -36,6 +36,8 @@ In the following table:
| `AffinityInAnnotations` | - | Deprecated | 1.8 | 1.8 |
| `AllowExtTrafficLocalEndpoints` | `false` | Beta | 1.4 | 1.6 |
| `AllowExtTrafficLocalEndpoints` | `true` | GA | 1.7 | 1.9 |
| `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | 1.20 |
| `AllowInsecureBackendProxy` | `true` | GA | 1.21 | 1.25 |
| `AttachVolumeLimit` | `false` | Alpha | 1.11 | 1.11 |
| `AttachVolumeLimit` | `true` | Beta | 1.12 | 1.16 |
| `AttachVolumeLimit` | `true` | GA | 1.17 | 1.21 |
@ -64,6 +66,9 @@ In the following table:
| `CSIMigrationAzureFileComplete` | - | Deprecated | 1.21 | 1.21 |
| `CSIMigrationGCEComplete` | `false` | Alpha | 1.17 | 1.20 |
| `CSIMigrationGCEComplete` | - | Deprecated | 1.21 | 1.21 |
| `CSIMigrationOpenStack` | `false` | Alpha | 1.14 | 1.17 |
| `CSIMigrationOpenStack` | `true` | Beta | 1.18 | 1.23 |
| `CSIMigrationOpenStack` | `true` | GA | 1.24 | 1.25 |
| `CSIMigrationOpenStackComplete` | `false` | Alpha | 1.17 | 1.20 |
| `CSIMigrationOpenStackComplete` | - | Deprecated | 1.21 | 1.21 |
| `CSIMigrationvSphereComplete` | `false` | Beta | 1.19 | 1.21 |
@ -106,8 +111,17 @@ In the following table:
| `CustomResourceWebhookConversion` | `false` | Alpha | 1.13 | 1.14 |
| `CustomResourceWebhookConversion` | `true` | Beta | 1.15 | 1.15 |
| `CustomResourceWebhookConversion` | `true` | GA | 1.16 | 1.18 |
| `DefaultPodTopologySpread` | `false` | Alpha | 1.19 | 1.19 |
| `DefaultPodTopologySpread` | `true` | Beta | 1.20 | 1.23 |
| `DefaultPodTopologySpread` | `true` | GA | 1.24 | 1.25 |
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
| `NonPreemptingPriority` | `true` | Beta | 1.19 | 1.23 |
| `NonPreemptingPriority` | `true` | GA | 1.24 | - |
| `DynamicAuditing` | `false` | Alpha | 1.13 | 1.18 |
| `DynamicAuditing` | - | Deprecated | 1.19 | 1.19 |
| `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
| `DynamicKubeletConfig` | `true` | Beta | 1.11 | 1.21 |
| `DynamicKubeletConfig` | `false` | Deprecated | 1.22 | 1.25 |
| `DynamicProvisioningScheduling` | `false` | Alpha | 1.11 | 1.11 |
| `DynamicProvisioningScheduling` | - | Deprecated| 1.12 | - |
| `DynamicVolumeProvisioning` | `true` | Alpha | 1.3 | 1.7 |
@ -149,6 +163,9 @@ In the following table:
| `ImmutableEphemeralVolumes` | `false` | Alpha | 1.18 | 1.18 |
| `ImmutableEphemeralVolumes` | `true` | Beta | 1.19 | 1.20 |
| `ImmutableEphemeralVolumes` | `true` | GA | 1.21 | 1.24 |
| `IndexedJob` | `false` | Alpha | 1.21 | 1.21 |
| `IndexedJob` | `true` | Beta | 1.22 | 1.23 |
| `IndexedJob` | `true` | GA | 1.24 | 1.25 |
| `IngressClassNamespacedParams` | `false` | Alpha | 1.21 | 1.21 |
| `IngressClassNamespacedParams` | `true` | Beta | 1.22 | 1.22 |
| `IngressClassNamespacedParams` | `true` | GA | 1.23 | 1.24 |
@ -180,6 +197,9 @@ In the following table:
| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
| `PersistentLocalVolumes` | `true` | Beta | 1.10 | 1.13 |
| `PersistentLocalVolumes` | `true` | GA | 1.14 | 1.16 |
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | 1.23 |
| `PodAffinityNamespaceSelector` | `true` | GA | 1.24 | 1.25 |
| `PodDisruptionBudget` | `false` | Alpha | 1.3 | 1.4 |
| `PodDisruptionBudget` | `true` | Beta | 1.5 | 1.20 |
| `PodDisruptionBudget` | `true` | GA | 1.21 | 1.25 |
@ -195,6 +215,9 @@ In the following table:
| `PodShareProcessNamespace` | `false` | Alpha | 1.10 | 1.11 |
| `PodShareProcessNamespace` | `true` | Beta | 1.12 | 1.16 |
| `PodShareProcessNamespace` | `true` | GA | 1.17 | 1.19 |
| `PreferNominatedNode` | `false` | Alpha | 1.21 | 1.21 |
| `PreferNominatedNode` | `true` | Beta | 1.22 | 1.23 |
| `PreferNominatedNode` | `true` | GA | 1.24 | 1.25 |
| `RequestManagement` | `false` | Alpha | 1.15 | 1.16 |
| `RequestManagement` | - | Deprecated | 1.17 | 1.17 |
| `ResourceLimitsPriorityFunction` | `false` | Alpha | 1.9 | 1.18 |
@ -227,6 +250,12 @@ In the following table:
| `ServiceAppProtocol` | `false` | Alpha | 1.18 | 1.18 |
| `ServiceAppProtocol` | `true` | Beta | 1.19 | 1.19 |
| `ServiceAppProtocol` | `true` | GA | 1.20 | 1.22 |
| `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | 1.21 |
| `ServiceLBNodePortControl` | `true` | Beta | 1.22 | 1.23 |
| `ServiceLBNodePortControl` | `true` | GA | 1.24 | 1.25 |
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceLoadBalancerClass` | `true` | Beta | 1.22 | 1.23 |
| `ServiceLoadBalancerClass` | `true` | GA | 1.24 | 1.25 |
| `ServiceLoadBalancerFinalizer` | `false` | Alpha | 1.15 | 1.15 |
| `ServiceLoadBalancerFinalizer` | `true` | Beta | 1.16 | 1.16 |
| `ServiceLoadBalancerFinalizer` | `true` | GA | 1.17 | 1.20 |
@ -257,6 +286,9 @@ In the following table:
| `SupportPodPidsLimit` | `false` | Alpha | 1.10 | 1.13 |
| `SupportPodPidsLimit` | `true` | Beta | 1.14 | 1.19 |
| `SupportPodPidsLimit` | `true` | GA | 1.20 | 1.23 |
| `SuspendJob` | `false` | Alpha | 1.21 | 1.21 |
| `SuspendJob` | `true` | Beta | 1.22 | 1.23 |
| `SuspendJob` | `true` | GA | 1.24 | 1.25 |
| `Sysctls` | `true` | Beta | 1.11 | 1.20 |
| `Sysctls` | `true` | GA | 1.21 | 1.22 |
| `TTLAfterFinished` | `false` | Alpha | 1.12 | 1.20 |
@ -314,6 +346,9 @@ In the following table:
- `AllowExtTrafficLocalEndpoints`: Enable a service to route external requests to node local endpoints.
- `AllowInsecureBackendProxy`: Enable the users to skip TLS verification of
kubelets on Pod log requests.
- `AttachVolumeLimit`: Enable volume plugins to report limits on number of volumes
that can be attached to a node.
See [dynamic volume limits](/docs/concepts/storage/storage-limits/#dynamic-volume-limits)
@ -383,6 +418,14 @@ In the following table:
been deprecated in favor of the `InTreePluginGCEUnregister` feature flag which
prevents the registration of in-tree GCE PD plugin.
- `CSIMigrationOpenStack`: Enables shims and translation logic to route volume
operations from the Cinder in-tree plugin to Cinder CSI plugin. Supports
falling back to in-tree Cinder plugin for mount operations to nodes that have
the feature disabled or that do not have Cinder CSI plugin installed and
configured. Does not support falling back for provision operations, for those
the CSI plugin must be installed and configured. Requires CSIMigration
feature flag enabled.
- `CSIMigrationOpenStackComplete`: Stops registering the Cinder in-tree plugin in
kubelet and volume controllers and enables shims and translation logic to route
volume operations from the Cinder in-tree plugin to Cinder CSI plugin.
@ -442,8 +485,15 @@ In the following table:
- `CustomResourceWebhookConversion`: Enable webhook-based conversion
on resources created from [CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
- `DefaultPodTopologySpread`: Enables the use of `PodTopologySpread` scheduling plugin to do
[default spreading](/docs/concepts/scheduling-eviction/topology-spread-constraints/#internal-default-constraints).
- `DynamicAuditing`: Used to enable dynamic auditing before v1.19.
- `DynamicKubeletConfig`: Enable the dynamic configuration of kubelet. The
feature is no longer supported outside of supported skew policy. The feature
gate was removed from kubelet in 1.24. See [Reconfigure kubelet](/docs/tasks/administer-cluster/reconfigure-kubelet/).
- `DynamicProvisioningScheduling`: Extend the default scheduler to be aware of
volume topology and handle PV provisioning.
This feature was superseded by the `VolumeScheduling` feature in v1.12.
@ -500,6 +550,9 @@ In the following table:
- `ImmutableEphemeralVolumes`: Allows for marking individual Secrets and ConfigMaps as
immutable for better safety and performance.
- `IndexedJob`: Allows the [Job](/docs/concepts/workloads/controllers/job/)
controller to manage Pod completions per completion index.
- `IngressClassNamespacedParams`: Allow namespace-scoped parameters reference in
`IngressClass` resource. This feature adds two fields - `Scope` and `Namespace`
to `IngressClass.spec.parameters`.
@ -533,12 +586,19 @@ In the following table:
- `NodeLease`: Enable the new Lease API to report node heartbeats, which could be used as a node health signal.
- `NonPreemptingPriority`: Enable `preemptionPolicy` field for PriorityClass and Pod.
- `PVCProtection`: Enable the prevention of a PersistentVolumeClaim (PVC) from
being deleted when it is still used by any Pod.
- `PersistentLocalVolumes`: Enable the usage of `local` volume type in Pods.
Pod affinity has to be specified if requesting a `local` volume.
- `PodAffinityNamespaceSelector`: Enable the
[Pod Affinity Namespace Selector](/docs/concepts/scheduling-eviction/assign-pod-node/#namespace-selector)
and [CrossNamespacePodAffinity](/docs/concepts/policy/resource-quotas/#cross-namespace-pod-affinity-quota)
quota scope features.
- `PodDisruptionBudget`: Enable the [PodDisruptionBudget](/docs/tasks/run-application/configure-pdb/) feature.
- `PodOverhead`: Enable the [PodOverhead](/docs/concepts/scheduling-eviction/pod-overhead/)
@ -555,6 +615,10 @@ In the following table:
a single process namespace between containers running in a pod. More details can be found in
[Share Process Namespace between Containers in a Pod](/docs/tasks/configure-pod-container/share-process-namespace/).
- `PreferNominatedNode`: This flag tells the scheduler whether the nominated
nodes will be checked first before looping through all the other nodes in
the cluster.
- `RequestManagement`: Enables managing request concurrency with prioritization and fairness
at each API server. Deprecated by `APIPriorityAndFairness` since 1.17.
@ -597,8 +661,14 @@ In the following table:
- `ServiceAppProtocol`: Enables the `appProtocol` field on Services and Endpoints.
- `ServiceLoadBalancerClass`: Enables the `loadBalancerClass` field on Services. See
[Specifying class of load balancer implementation](/docs/concepts/services-networking/service/#load-balancer-class)
for more details.
- `ServiceLoadBalancerFinalizer`: Enable finalizer protection for Service load balancers.
- `ServiceLBNodePortControl`: Enables the `allocateLoadBalancerNodePorts` field on Services.
- `ServiceNodeExclusion`: Enable the exclusion of nodes from load balancers created by a cloud provider.
A node is eligible for exclusion if labelled with "`node.kubernetes.io/exclude-from-external-load-balancers`".
@ -629,6 +699,9 @@ In the following table:
- `SupportPodPidsLimit`: Enable the support to limiting PIDs in Pods.
- `SuspendJob`: Enable support to suspend and resume Jobs. For more details, see
[the Jobs docs](/docs/concepts/workloads/controllers/job/).
- `Sysctls`: Enable support for namespaced kernel parameters (sysctls) that can be set for each
pod. See [sysctls](/docs/tasks/administer-cluster/sysctl-cluster/) for more details.

132
content/en/docs/reference/command-line-tools-reference/feature-gates.md
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@ -62,11 +62,11 @@ For a reference to old feature gates that are removed, please refer to
| `APIPriorityAndFairness` | `true` | Beta | 1.20 | |
| `APIResponseCompression` | `false` | Alpha | 1.7 | 1.15 |
| `APIResponseCompression` | `true` | Beta | 1.16 | |
| `APISelfSubjectAttributesReview` | `false` | Alpha | 1.26 | |
| `APISelfSubjectReview` | `false` | Alpha | 1.26 | |
| `APIServerIdentity` | `false` | Alpha | 1.20 | 1.25 |
| `APIServerIdentity` | `true` | Beta | 1.26 | |
| `APIServerTracing` | `false` | Alpha | 1.22 | |
| `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | |
| `AggregatedDiscoveryEndpoint` | `false` | Alpha | 1.26 | |
| `AnyVolumeDataSource` | `false` | Alpha | 1.18 | 1.23 |
| `AnyVolumeDataSource` | `true` | Beta | 1.24 | |
| `AppArmor` | `true` | Beta | 1.4 | |
@ -79,9 +79,11 @@ For a reference to old feature gates that are removed, please refer to
| `CSIMigrationRBD` | `false` | Alpha | 1.23 | |
| `CSINodeExpandSecret` | `false` | Alpha | 1.25 | |
| `CSIVolumeHealth` | `false` | Alpha | 1.21 | |
| `CrossNamespaceVolumeDataSource` | `false` | Alpha| 1.26 | |
| `ContainerCheckpoint` | `false` | Alpha | 1.25 | |
| `ContextualLogging` | `false` | Alpha | 1.24 | |
| `CronJobTimeZone` | `false` | Alpha | 1.24 | 1.24 |
| `CronJobTimeZone` | `true` | Beta | 1.25 | |
| `CrossNamespaceVolumeDataSource` | `false` | Alpha| 1.26 | |
| `CustomCPUCFSQuotaPeriod` | `false` | Alpha | 1.12 | |
| `CustomResourceValidationExpressions` | `false` | Alpha | 1.23 | 1.24 |
| `CustomResourceValidationExpressions` | `true` | Beta | 1.25 | |
@ -91,9 +93,9 @@ For a reference to old feature gates that are removed, please refer to
| `DownwardAPIHugePages` | `false` | Beta | 1.21 | 1.21 |
| `DownwardAPIHugePages` | `true` | Beta | 1.22 | |
| `DynamicResourceAllocation` | `false` | Alpha | 1.26 | |
| `EndpointSliceTerminatingCondition` | `false` | Alpha | 1.20 | 1.21 |
| `EndpointSliceTerminatingCondition` | `true` | Beta | 1.22 | |
| `ExpandedDNSConfig` | `false` | Alpha | 1.22 | |
| `EventedPLEG` | `false` | Alpha | 1.26 | - |
| `ExpandedDNSConfig` | `false` | Alpha | 1.22 | 1.25 |
| `ExpandedDNSConfig` | `true` | Beta | 1.26 | |
| `ExperimentalHostUserNamespaceDefaulting` | `false` | Beta | 1.5 | |
| `GRPCContainerProbe` | `false` | Alpha | 1.23 | 1.23 |
| `GRPCContainerProbe` | `true` | Beta | 1.24 | |
@ -104,6 +106,7 @@ For a reference to old feature gates that are removed, please refer to
| `HPAContainerMetrics` | `false` | Alpha | 1.20 | |
| `HPAScaleToZero` | `false` | Alpha | 1.16 | |
| `HonorPVReclaimPolicy` | `false` | Alpha | 1.23 | |
| `IPTablesOwnershipCleanup` | `false` | Alpha | 1.25 | |
| `InTreePluginAWSUnregister` | `false` | Alpha | 1.21 | |
| `InTreePluginAzureDiskUnregister` | `false` | Alpha | 1.21 | |
| `InTreePluginAzureFileUnregister` | `false` | Alpha | 1.21 | |
@ -112,15 +115,11 @@ For a reference to old feature gates that are removed, please refer to
| `InTreePluginPortworxUnregister` | `false` | Alpha | 1.23 | |
| `InTreePluginRBDUnregister` | `false` | Alpha | 1.23 | |
| `InTreePluginvSphereUnregister` | `false` | Alpha | 1.21 | |
| `IPTablesOwnershipCleanup` | `false` | Alpha | 1.25 | |
| `JobMutableNodeSchedulingDirectives` | `true` | Beta | 1.23 | |
| `JobPodFailurePolicy` | `false` | Alpha | 1.25 | 1.25 |
| `JobPodFailurePolicy` | `true` | Beta | 1.26 | |
| `JobReadyPods` | `false` | Alpha | 1.23 | 1.23 |
| `JobReadyPods` | `true` | Beta | 1.24 | |
| `JobTrackingWithFinalizers` | `false` | Alpha | 1.22 | 1.22 |
| `JobTrackingWithFinalizers` | `false` | Beta | 1.23 | 1.24 |
| `JobTrackingWithFinalizers` | `true` | Beta | 1.25 | |
| `KMSv2` | `false` | Alpha | 1.25 | |
| `KubeletInUserNamespace` | `false` | Alpha | 1.22 | |
| `KubeletPodResources` | `false` | Alpha | 1.13 | 1.14 |
@ -128,11 +127,12 @@ For a reference to old feature gates that are removed, please refer to
| `KubeletPodResourcesGetAllocatable` | `false` | Alpha | 1.21 | 1.22 |
| `KubeletPodResourcesGetAllocatable` | `true` | Beta | 1.23 | |
| `KubeletTracing` | `false` | Alpha | 1.25 | |
| `LegacyServiceAccountTokenTracking` | `false` | Alpha | 1.26 | |
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | 1.24 |
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `true` | Beta | 1.25 | |
| `LegacyServiceAccountTokenTracking` | `false` | Alpha | 1.25 | |
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | - |
| `LogarithmicScaleDown` | `false` | Alpha | 1.21 | 1.21 |
| `LogarithmicScaleDown` | `true` | Beta | 1.22 | |
| `LoggingAlphaOptions` | `false` | Alpha | 1.24 | - |
| `LoggingBetaOptions` | `true` | Beta | 1.24 | - |
| `MatchLabelKeysInPodTopologySpread` | `false` | Alpha | 1.25 | |
| `MaxUnavailableStatefulSet` | `false` | Alpha | 1.24 | |
| `MemoryManager` | `false` | Alpha | 1.21 | 1.21 |
@ -140,11 +140,11 @@ For a reference to old feature gates that are removed, please refer to
| `MemoryQoS` | `false` | Alpha | 1.22 | |
| `MinDomainsInPodTopologySpread` | `false` | Alpha | 1.24 | 1.24 |
| `MinDomainsInPodTopologySpread` | `false` | Beta | 1.25 | |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | 1.23 |
| `MixedProtocolLBService` | `true` | Beta | 1.24 | |
| `MinimizeIPTablesRestore` | `false` | Alpha | 1.26 | - |
| `MultiCIDRRangeAllocator` | `false` | Alpha | 1.25 | |
| `NetworkPolicyStatus` | `false` | Alpha | 1.24 | |
| `NodeInclusionPolicyInPodTopologySpread` | `false` | Alpha | 1.25 | |
| `NodeInclusionPolicyInPodTopologySpread` | `false` | Alpha | 1.25 | 1.25 |
| `NodeInclusionPolicyInPodTopologySpread` | `true` | Beta | 1.26 | |
| `NodeOutOfServiceVolumeDetach` | `false` | Alpha | 1.24 | 1.25 |
| `NodeOutOfServiceVolumeDetach` | `true` | Beta | 1.26 | |
| `NodeSwap` | `false` | Alpha | 1.22 | |
@ -196,7 +196,7 @@ For a reference to old feature gates that are removed, please refer to
| `TopologyManagerPolicyBetaOptions` | `false` | Beta | 1.26 | |
| `TopologyManagerPolicyOptions` | `false` | Alpha | 1.26 | |
| `UserNamespacesStatelessPodsSupport` | `false` | Alpha | 1.25 | |
| `ValidatingAdmissionPolicy` | `false` | Alpha | 1.26 | |
| `ValidatingAdmissionPolicy` | `false` | Alpha | 1.26 | |
| `VolumeCapacityPriority` | `false` | Alpha | 1.21 | - |
| `WinDSR` | `false` | Alpha | 1.14 | |
| `WinOverlay` | `false` | Alpha | 1.14 | 1.19 |
@ -242,45 +242,37 @@ For a reference to old feature gates that are removed, please refer to
| `CSIMigrationvSphere` | `false` | Beta | 1.19 | 1.24 |
| `CSIMigrationvSphere` | `true` | Beta | 1.25 | 1.25 |
| `CSIMigrationvSphere` | `true` | GA | 1.26 | - |
| `CSIMigrationOpenStack` | `false` | Alpha | 1.14 | 1.17 |
| `CSIMigrationOpenStack` | `true` | Beta | 1.18 | 1.23 |
| `CSIMigrationOpenStack` | `true` | GA | 1.24 | |
| `CSIStorageCapacity` | `false` | Alpha | 1.19 | 1.20 |
| `CSIStorageCapacity` | `true` | Beta | 1.21 | 1.23 |
| `CSIStorageCapacity` | `true` | GA | 1.24 | - |
| `ConsistentHTTPGetHandlers` | `true` | GA | 1.25 | - |
| `ControllerManagerLeaderMigration` | `false` | Alpha | 1.21 | 1.21 |
| `ControllerManagerLeaderMigration` | `true` | Beta | 1.22 | 1.23 |
| `ControllerManagerLeaderMigration` | `true` | GA | 1.24 | - |
| `CronJobTimeZone` | `false` | Alpha | 1.24 | 1.24 |
| `CronJobTimeZone` | `true` | Beta | 1.25 | |
| `DaemonSetUpdateSurge` | `false` | Alpha | 1.21 | 1.21 |
| `DaemonSetUpdateSurge` | `true` | Beta | 1.22 | 1.24 |
| `DaemonSetUpdateSurge` | `true` | GA | 1.25 | - |
| `DefaultPodTopologySpread` | `false` | Alpha | 1.19 | 1.19 |
| `DefaultPodTopologySpread` | `true` | Beta | 1.20 | 1.23 |
| `DefaultPodTopologySpread` | `true` | GA | 1.24 | - |
| `DelegateFSGroupToCSIDriver` | `false` | Alpha | 1.22 | 1.22 |
| `DelegateFSGroupToCSIDriver` | `true` | Beta | 1.23 | 1.25 |
| `DelegateFSGroupToCSIDriver` | `true` | GA | 1.26 |-|
| `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 |
| `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | 1.24 |
| `DisableAcceleratorUsageMetrics` | `true` | GA | 1.25 |- |
| `DevicePlugins` | `false` | Alpha | 1.8 | 1.9 |
| `DevicePlugins` | `true` | Beta | 1.10 | 1.25 |
| `DevicePlugins` | `true` | GA | 1.26 | - |
| `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 |
| `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | 1.24 |
| `DisableAcceleratorUsageMetrics` | `true` | GA | 1.25 |- |
| `DryRun` | `false` | Alpha | 1.12 | 1.12 |
| `DryRun` | `true` | Beta | 1.13 | 1.18 |
| `DryRun` | `true` | GA | 1.19 | - |
| `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
| `DynamicKubeletConfig` | `true` | Beta | 1.11 | 1.21 |
| `DynamicKubeletConfig` | `false` | Deprecated | 1.22 | - |
| `EfficientWatchResumption` | `false` | Alpha | 1.20 | 1.20 |
| `EfficientWatchResumption` | `true` | Beta | 1.21 | 1.23 |
| `EfficientWatchResumption` | `true` | GA | 1.24 | - |
| `EndpointSliceTerminatingCondition` | `false` | Alpha | 1.20 | 1.21 |
| `EndpointSliceTerminatingCondition` | `true` | Beta | 1.22 | 1.25 |
| `EndpointSliceTerminatingCondition` | `true` | GA | 1.26 | |
| `EphemeralContainers` | `false` | Alpha | 1.16 | 1.22 |
| `EphemeralContainers` | `true` | Beta | 1.23 | 1.24 |
| `EphemeralContainers` | `true` | GA | 1.25 | - |
| `EventedPLEG` | `false` | Alpha | 1.26 | - |
| `ExecProbeTimeout` | `true` | GA | 1.20 | - |
| `ExpandCSIVolumes` | `false` | Alpha | 1.14 | 1.15 |
| `ExpandCSIVolumes` | `true` | Beta | 1.16 | 1.23 |
@ -294,9 +286,6 @@ For a reference to old feature gates that are removed, please refer to
| `IdentifyPodOS` | `false` | Alpha | 1.23 | 1.23 |
| `IdentifyPodOS` | `true` | Beta | 1.24 | 1.24 |
| `IdentifyPodOS` | `true` | GA | 1.25 | - |
| `IndexedJob` | `false` | Alpha | 1.21 | 1.21 |
| `IndexedJob` | `true` | Beta | 1.22 | 1.23 |
| `IndexedJob` | `true` | GA | 1.24 | - |
| `JobTrackingWithFinalizers` | `false` | Alpha | 1.22 | 1.22 |
| `JobTrackingWithFinalizers` | `false` | Beta | 1.23 | 1.24 |
| `JobTrackingWithFinalizers` | `true` | Beta | 1.25 | 1.25 |
@ -309,45 +298,30 @@ For a reference to old feature gates that are removed, please refer to
| `LocalStorageCapacityIsolation` | `false` | Alpha | 1.7 | 1.9 |
| `LocalStorageCapacityIsolation` | `true` | Beta | 1.10 | 1.24 |
| `LocalStorageCapacityIsolation` | `true` | GA | 1.25 | - |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | 1.23 |
| `MixedProtocolLBService` | `true` | Beta | 1.24 | 1.25 |
| `MixedProtocolLBService` | `true` | GA | 1.26 | - |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
| `NetworkPolicyEndPort` | `true` | Beta | 1.22 | 1.24 |
| `NetworkPolicyEndPort` | `true` | GA | 1.25 | - |
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
| `NonPreemptingPriority` | `true` | Beta | 1.19 | 1.23 |
| `NonPreemptingPriority` | `true` | GA | 1.24 | - |
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | 1.23 |
| `PodAffinityNamespaceSelector` | `true` | GA | 1.24 | - |
| `PodSecurity` | `false` | Alpha | 1.22 | 1.22 |
| `PodSecurity` | `true` | Beta | 1.23 | 1.24 |
| `PodSecurity` | `true` | GA | 1.25 | |
| `PreferNominatedNode` | `false` | Alpha | 1.21 | 1.21 |
| `PreferNominatedNode` | `true` | Beta | 1.22 | 1.23 |
| `PreferNominatedNode` | `true` | GA | 1.24 | - |
| `RemoveSelfLink` | `false` | Alpha | 1.16 | 1.19 |
| `RemoveSelfLink` | `true` | Beta | 1.20 | 1.23 |
| `RemoveSelfLink` | `true` | GA | 1.24 | - |
| `ServerSideApply` | `false` | Alpha | 1.14 | 1.15 |
| `ServerSideApply` | `true` | Beta | 1.16 | 1.21 |
| `ServerSideApply` | `true` | GA | 1.22 | - |
| `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceInternalTrafficPolicy` | `true` | Beta | 1.22 | 1.25 |
| `ServiceInternalTrafficPolicy` | `true` | GA | 1.26 | - |
| `ServiceIPStaticSubrange` | `false` | Alpha | 1.24 | 1.24 |
| `ServiceIPStaticSubrange` | `true` | Beta | 1.25 | 1.25 |
| `ServiceIPStaticSubrange` | `true` | GA | 1.26 | - |
| `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | 1.21 |
| `ServiceLBNodePortControl` | `true` | Beta | 1.22 | 1.23 |
| `ServiceLBNodePortControl` | `true` | GA | 1.24 | - |
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceLoadBalancerClass` | `true` | Beta | 1.22 | 1.23 |
| `ServiceLoadBalancerClass` | `true` | GA | 1.24 | - |
| `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceInternalTrafficPolicy` | `true` | Beta | 1.22 | 1.25 |
| `ServiceInternalTrafficPolicy` | `true` | GA | 1.26 | - |
| `StatefulSetMinReadySeconds` | `false` | Alpha | 1.22 | 1.22 |
| `StatefulSetMinReadySeconds` | `true` | Beta | 1.23 | 1.24 |
| `StatefulSetMinReadySeconds` | `true` | GA | 1.25 | - |
| `SuspendJob` | `false` | Alpha | 1.21 | 1.21 |
| `SuspendJob` | `true` | Beta | 1.22 | 1.23 |
| `SuspendJob` | `true` | GA | 1.24 | - |
| `WatchBookmark` | `false` | Alpha | 1.15 | 1.15 |
| `WatchBookmark` | `true` | Beta | 1.16 | 1.16 |
| `WatchBookmark` | `true` | GA | 1.17 | - |
@ -404,16 +378,16 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `APIPriorityAndFairness`: Enable managing request concurrency with
prioritization and fairness at each server. (Renamed from `RequestManagement`)
- `APIResponseCompression`: Compress the API responses for `LIST` or `GET` requests.
- `APIServerIdentity`: Assign each API server an ID in a cluster.
- `APIServerTracing`: Add support for distributed tracing in the API server.
See [Traces for Kubernetes System Components](/docs/concepts/cluster-administration/system-traces) for more details.
- `APISelfSubjectAttributesReview`: Activate the `SelfSubjectReview` API which allows users
- `APISelfSubjectReview`: Activate the `SelfSubjectReview` API which allows users
to see the requesting subject's authentication information.
See [API access to authentication information for a client](/docs/reference/access-authn-authz/authentication/#self-subject-review)
for more details.
- `APIServerIdentity`: Assign each API server an ID in a cluster.
- `APIServerTracing`: Add support for distributed tracing in the API server.
See [Traces for Kubernetes System Components](/docs/concepts/cluster-administration/system-traces) for more details.
- `AdvancedAuditing`: Enable [advanced auditing](/docs/tasks/debug/debug-cluster/audit/#advanced-audit)
- `AllowInsecureBackendProxy`: Enable the users to skip TLS verification of
kubelets on Pod log requests.
- `AggregatedDiscoveryEndpoint`: Enable a single HTTP endpoint `/discovery/<version>` which
supports native HTTP caching with ETags containing all APIResources known to the API server.
- `AnyVolumeDataSource`: Enable use of any custom resource as the `DataSource` of a
{{< glossary_tooltip text="PVC" term_id="persistent-volume-claim" >}}.
- `AppArmor`: Enable use of AppArmor mandatory access control for Pods running on Linux nodes.
@ -470,13 +444,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
Does not support falling back for provision operations, for those the CSI
plugin must be installed and configured. Requires CSIMigration feature flag
enabled.
- `CSIMigrationOpenStack`: Enables shims and translation logic to route volume
operations from the Cinder in-tree plugin to Cinder CSI plugin. Supports
falling back to in-tree Cinder plugin for mount operations to nodes that have
the feature disabled or that do not have Cinder CSI plugin installed and
configured. Does not support falling back for provision operations, for those
the CSI plugin must be installed and configured. Requires CSIMigration
feature flag enabled.
- `csiMigrationRBD`: Enables shims and translation logic to route volume
operations from the RBD in-tree plugin to Ceph RBD CSI plugin. Requires
CSIMigration and csiMigrationRBD feature flags enabled and Ceph CSI plugin
@ -513,8 +480,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `DaemonSetUpdateSurge`: Enables the DaemonSet workloads to maintain
availability during update per node.
See [Perform a Rolling Update on a DaemonSet](/docs/tasks/manage-daemon/update-daemon-set/).
- `DefaultPodTopologySpread`: Enables the use of `PodTopologySpread` scheduling plugin to do
[default spreading](/docs/concepts/scheduling-eviction/topology-spread-constraints/#internal-default-constraints).
- `DelegateFSGroupToCSIDriver`: If supported by the CSI driver, delegates the
role of applying `fsGroup` from a Pod's `securityContext` to the driver by
passing `fsGroup` through the NodeStageVolume and NodePublishVolume CSI calls.
@ -531,9 +496,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
[downward API](/docs/tasks/inject-data-application/downward-api-volume-expose-pod-information).
- `DryRun`: Enable server-side [dry run](/docs/reference/using-api/api-concepts/#dry-run) requests
so that validation, merging, and mutation can be tested without committing.
- `DynamicKubeletConfig`: Enable the dynamic configuration of kubelet. The
feature is no longer supported outside of supported skew policy. The feature
gate was removed from kubelet in 1.24. See [Reconfigure kubelet](/docs/tasks/administer-cluster/reconfigure-kubelet/).
- `EndpointSliceTerminatingCondition`: Enables EndpointSlice `terminating` and `serving`
condition fields.
- `EfficientWatchResumption`: Allows for storage-originated bookmark (progress
@ -584,13 +546,11 @@ Each feature gate is designed for enabling/disabling a specific feature:
metrics from individual containers in target pods.
- `HPAScaleToZero`: Enables setting `minReplicas` to 0 for `HorizontalPodAutoscaler`
resources when using custom or external metrics.
- `IPTablesOwnershipCleanup`: This causes kubelet to no longer create legacy IPTables rules.
- `IPTablesOwnershipCleanup`: This causes kubelet to no longer create legacy iptables rules.
- `IdentifyPodOS`: Allows the Pod OS field to be specified. This helps in identifying
the OS of the pod authoritatively during the API server admission time.
In Kubernetes {{< skew currentVersion >}}, the allowed values for the `pod.spec.os.name`
are `windows` and `linux`.
- `IndexedJob`: Allows the [Job](/docs/concepts/workloads/controllers/job/)
controller to manage Pod completions per completion index.
- `InTreePluginAWSUnregister`: Stops registering the aws-ebs in-tree plugin in kubelet
and volume controllers.
- `InTreePluginAzureDiskUnregister`: Stops registering the azuredisk in-tree plugin in kubelet
@ -655,6 +615,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
filesystem walk for better performance and accuracy.
- `LogarithmicScaleDown`: Enable semi-random selection of pods to evict on controller scaledown
based on logarithmic bucketing of pod timestamps.
- `LoggingAlphaOptions`: Allow fine-tuing of experimental, alpha-quality logging options.
- `LoggingBetaOptions`: Allow fine-tuing of experimental, beta-quality logging options.
- `MatchLabelKeysInPodTopologySpread`: Enable the `matchLabelKeys` field for
[Pod topology spread constraints](/docs/concepts/scheduling-eviction/topology-spread-constraints/).
- `MaxUnavailableStatefulSet`: Enables setting the `maxUnavailable` field for the
@ -667,6 +629,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
cgroup v2 memory controller.
- `MinDomainsInPodTopologySpread`: Enable `minDomains` in
[Pod topology spread constraints](/docs/concepts/scheduling-eviction/topology-spread-constraints/).
- `MinimizeIPTablesRestore`: Enables new performance improvement logics
in the kube-proxy iptables mode.
- `MixedProtocolLBService`: Enable using different protocols in the same `LoadBalancer` type
Service instance.
- `MultiCIDRRangeAllocator`: Enables the MultiCIDR range allocator.
@ -683,7 +647,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `NodeSwap`: Enable the kubelet to allocate swap memory for Kubernetes workloads on a node.
Must be used with `KubeletConfiguration.failSwapOn` set to false.
For more details, please see [swap memory](/docs/concepts/architecture/nodes/#swap-memory)
- `NonPreemptingPriority`: Enable `preemptionPolicy` field for PriorityClass and Pod.
- `OpenAPIEnums`: Enables populating "enum" fields of OpenAPI schemas in the
spec returned from the API server.
- `OpenAPIV3`: Enables the API server to publish OpenAPI v3.
@ -692,19 +655,12 @@ Each feature gate is designed for enabling/disabling a specific feature:
for more details.
- `PodDeletionCost`: Enable the [Pod Deletion Cost](/docs/concepts/workloads/controllers/replicaset/#pod-deletion-cost)
feature which allows users to influence ReplicaSet downscaling order.
- `PodAffinityNamespaceSelector`: Enable the
[Pod Affinity Namespace Selector](/docs/concepts/scheduling-eviction/assign-pod-node/#namespace-selector)
and [CrossNamespacePodAffinity](/docs/concepts/policy/resource-quotas/#cross-namespace-pod-affinity-quota)
quota scope features.
- `PodAndContainerStatsFromCRI`: Configure the kubelet to gather container and pod stats from the CRI container runtime rather than gathering them from cAdvisor.
As of 1.26, this also includes gathering metrics from CRI and emitting them over `/metrics/cadvisor` (rather than having cAdvisor emit them directly).
- `PodDisruptionConditions`: Enables support for appending a dedicated pod condition indicating that the pod is being deleted due to a disruption.
- `PodHasNetworkCondition`: Enable the kubelet to mark the [PodHasNetwork](/docs/concepts/workloads/pods/pod-lifecycle/#pod-has-network) condition on pods.
- `PodSchedulingReadiness`: Enable setting `schedulingGates` field to control a Pod's [scheduling readiness](/docs/concepts/scheduling-eviction/pod-scheduling-readiness).
- `PodSecurity`: Enables the `PodSecurity` admission plugin.
- `PreferNominatedNode`: This flag tells the scheduler whether the nominated
nodes will be checked first before looping through all the other nodes in
the cluster.
- `ProbeTerminationGracePeriod`: Enable [setting probe-level
`terminationGracePeriodSeconds`](/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#probe-level-terminationgraceperiodseconds)
on pods. See the [enhancement proposal](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/2238-liveness-probe-grace-period)
@ -748,10 +704,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
of resource schema is performed at the API server side rather than the client side
(for example, the `kubectl create` or `kubectl apply` command line).
- `ServiceInternalTrafficPolicy`: Enables the `internalTrafficPolicy` field on Services
- `ServiceLBNodePortControl`: Enables the `allocateLoadBalancerNodePorts` field on Services.
- `ServiceLoadBalancerClass`: Enables the `loadBalancerClass` field on Services. See
[Specifying class of load balancer implementation](/docs/concepts/services-networking/service/#load-balancer-class)
for more details.
- `ServiceIPStaticSubrange`: Enables a strategy for Services ClusterIP allocations, whereby the
ClusterIP range is subdivided. Dynamic allocated ClusterIP addresses will be allocated preferently
from the upper range allowing users to assign static ClusterIPs from the lower range with a low
@ -770,8 +722,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
[storage version API](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#storageversion-v1alpha1-internal-apiserver-k8s-io).
- `StorageVersionHash`: Allow API servers to expose the storage version hash in the
discovery.
- `SuspendJob`: Enable support to suspend and resume Jobs. For more details, see
[the Jobs docs](/docs/concepts/workloads/controllers/job/).
- `TopologyAwareHints`: Enables topology aware routing based on topology hints
in EndpointSlices. See [Topology Aware
Hints](/docs/concepts/services-networking/topology-aware-hints/) for more