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Update feature gates for 1.22

Browse Source 
This PR updates the feature gate status based on upstream
implementation.

The chanegs are listed below with links to upstream PRs merged:

- BalanceAttacedNodeVolumes  kubernetes/kubernetes#102443
- CSIMigrationvSphereComplete kubernetes/kubernetes#101272
- CSIServiceAccountToken kubernetes/kubernetes#103001
- DaemonSetUpdateSurge kubernetes/kubernetes#101742
- DisableCloudProviders kubernetes/kubernetes#100136
- IndexedJob kubernetes/kubernetes#101292
- LegacyNodeRoleBehavior    kubernetes/kubernetes#100776
- NamespaceDefaultLabelName kubernetes/kubernetes#101342
- NetworkPolicyEndPort   kubernetes/kubernetes#102834
- NodeDisruptionExclusion   kubernetes/kubernetes#100776
- PodAffinityNamespaceSelector  kubernetes/kubernetes#101496
- PodDeletionCost  kubernetes/kubernetes#101080
- PreferNominatedNode kubernetes/kubernetes#102201
- ServiceLoadBalancerClass  kubernetes/kubernetes#103129
- ServiceNodeExclusion  kubernetes/kubernetes#100776
- ServiceTopology kubernetes/kubernetes#102412
- SizeMemoryBackedVoluems kubernetes/kubernetes#101048
- StatefulSetMinReadySeconds kubernetes/kubernetes#100842
- SuspendJob kubernetes/kubernetes#102022
- WindowsHostProcessContainers  kubernetes/kubernetes#99576
This commit is contained in:
Qiming Teng
2021-06-27 12:25:51 +08:00
parent 57ed0b7373
commit 372d34dc94
1 changed files with 82 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
content/en/docs/reference/command-line-tools-reference/feature-gates.md
+82 -25
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@@ -55,10 +55,10 @@ different Kubernetes components.
| `APIResponseCompression` | `false` | Alpha | 1.7 | 1.15 | | `APIResponseCompression` | `false` | Alpha | 1.7 | 1.15 |
| `APIResponseCompression` | `true` | Beta | 1.16 | | | `APIResponseCompression` | `true` | Beta | 1.16 | |
| `APIServerIdentity` | `false` | Alpha | 1.20 | | | `APIServerIdentity` | `false` | Alpha | 1.20 | |
| `APIServerTracing` | `false` | Alpha | 1.22 | |
| `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | | | `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | |
| `AnyVolumeDataSource` | `false` | Alpha | 1.18 | | | `AnyVolumeDataSource` | `false` | Alpha | 1.18 | |
| `AppArmor` | `true` | Beta | 1.4 | | | `AppArmor` | `true` | Beta | 1.4 | |
| `BalanceAttachedNodeVolumes` | `false` | Alpha | 1.11 | |
| `CPUManager` | `false` | Alpha | 1.8 | 1.9 | | `CPUManager` | `false` | Alpha | 1.8 | 1.9 |
| `CPUManager` | `true` | Beta | 1.10 | | | `CPUManager` | `true` | Beta | 1.10 | |
| `CSIInlineVolume` | `false` | Alpha | 1.15 | 1.15 | | `CSIInlineVolume` | `false` | Alpha | 1.15 | 1.15 |
@@ -81,28 +81,31 @@ different Kubernetes components.
| `CSIMigrationOpenStack` | `true` | Beta | 1.18 | | | `CSIMigrationOpenStack` | `true` | Beta | 1.18 | |
| `CSIMigrationOpenStackComplete` | `false` | Alpha | 1.17 | | | `CSIMigrationOpenStackComplete` | `false` | Alpha | 1.17 | |
| `CSIMigrationvSphere` | `false` | Beta | 1.19 | | | `CSIMigrationvSphere` | `false` | Beta | 1.19 | |
| `CSIMigrationvSphereComplete` | `false` | Beta | 1.19 | |
| `CSIServiceAccountToken` | `false` | Alpha | 1.20 | 1.20 |
| `CSIServiceAccountToken` | `true` | Beta | 1.21 | |
| `CSIStorageCapacity` | `false` | Alpha | 1.19 | 1.20 | | `CSIStorageCapacity` | `false` | Alpha | 1.19 | 1.20 |
| `CSIStorageCapacity` | `true` | Beta | 1.21 | | | `CSIStorageCapacity` | `true` | Beta | 1.21 | |
| `CSIVolumeFSGroupPolicy` | `false` | Alpha | 1.19 | 1.19 | | `CSIVolumeFSGroupPolicy` | `false` | Alpha | 1.19 | 1.19 |
| `CSIVolumeFSGroupPolicy` | `true` | Beta | 1.20 | | | `CSIVolumeFSGroupPolicy` | `true` | Beta | 1.20 | |
| `CSIVolumeHealth` | `false` | Alpha | 1.21 | | | `CSIVolumeHealth` | `false` | Alpha | 1.21 | |
| `CSRDuration` | `true` | Beta | 1.22 | |
| `ConfigurableFSGroupPolicy` | `false` | Alpha | 1.18 | 1.19 | | `ConfigurableFSGroupPolicy` | `false` | Alpha | 1.18 | 1.19 |
| `ConfigurableFSGroupPolicy` | `true` | Beta | 1.20 | | | `ConfigurableFSGroupPolicy` | `true` | Beta | 1.20 | |
| `ControllerManagerLeaderMigration` | `false` | Alpha | 1.21 | |
| `CustomCPUCFSQuotaPeriod` | `false` | Alpha | 1.12 | | | `CustomCPUCFSQuotaPeriod` | `false` | Alpha | 1.12 | |
| `DaemonSetUpdateSurge` | `false` | Alpha | 1.21 | 1.21 |
| `DaemonSetUpdateSurge` | `true` | Beta | 1.22 | |
| `DefaultPodTopologySpread` | `false` | Alpha | 1.19 | 1.19 | | `DefaultPodTopologySpread` | `false` | Alpha | 1.19 | 1.19 |
| `DefaultPodTopologySpread` | `true` | Beta | 1.20 | | | `DefaultPodTopologySpread` | `true` | Beta | 1.20 | |
| `DevicePlugins` | `false` | Alpha | 1.8 | 1.9 | | `DevicePlugins` | `false` | Alpha | 1.8 | 1.9 |
| `DevicePlugins` | `true` | Beta | 1.10 | | | `DevicePlugins` | `true` | Beta | 1.10 | |
| `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 | | `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 |
| `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | | | `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | |
| `DisableCloudProviders` | `false` | Alpha | 1.22 | |
| `DownwardAPIHugePages` | `false` | Alpha | 1.20 | 1.20 | | `DownwardAPIHugePages` | `false` | Alpha | 1.20 | 1.20 |
| `DownwardAPIHugePages` | `false` | Beta | 1.21 | | | `DownwardAPIHugePages` | `false` | Beta | 1.21 | |
| `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 | | `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
| `DynamicKubeletConfig` | `true` | Beta | 1.11 | | | `DynamicKubeletConfig` | `true` | Beta | 1.11 | |
| `EfficientWatchResumption` | `false` | Alpha | 1.20 | | | `EfficientWatchResumption` | `false` | Alpha | 1.20 | 1.20 |
| `EfficientWatchResumption` | `true` | Beta | 1.21 | |
| `EndpointSliceProxying` | `false` | Alpha | 1.18 | 1.18 | | `EndpointSliceProxying` | `false` | Alpha | 1.18 | 1.18 |
| `EndpointSliceProxying` | `true` | Beta | 1.19 | | | `EndpointSliceProxying` | `true` | Beta | 1.19 | |
| `EndpointSliceTerminatingCondition` | `false` | Alpha | 1.20 | | | `EndpointSliceTerminatingCondition` | `false` | Alpha | 1.20 | |
@@ -123,24 +126,23 @@ different Kubernetes components.
| `HPAScaleToZero` | `false` | Alpha | 1.16 | | | `HPAScaleToZero` | `false` | Alpha | 1.16 | |
| `HugePageStorageMediumSize` | `false` | Alpha | 1.18 | 1.18 | | `HugePageStorageMediumSize` | `false` | Alpha | 1.18 | 1.18 |
| `HugePageStorageMediumSize` | `true` | Beta | 1.19 | | | `HugePageStorageMediumSize` | `true` | Beta | 1.19 | |
| `IndexedJob` | `false` | Alpha | 1.21 | | | `IndexedJob` | `false` | Alpha | 1.21 | 1.21 |
| `IndexedJob` | `true` | Beta | 1.22 | |
| `IngressClassNamespacedParams` | `false` | Alpha | 1.21 | 1.21 | | `IngressClassNamespacedParams` | `false` | Alpha | 1.21 | 1.21 |
| `IngressClassNamespacedParams` | `true` | Beta | 1.22 | | | `IngressClassNamespacedParams` | `true` | Beta | 1.22 | |
| `IPv6DualStack` | `false` | Alpha | 1.15 | 1.20 | | `IPv6DualStack` | `false` | Alpha | 1.15 | 1.20 |
| `IPv6DualStack` | `true` | Beta | 1.21 | | | `IPv6DualStack` | `true` | Beta | 1.21 | |
| `KubeletCredentialProviders` | `false` | Alpha | 1.20 | | | `KubeletCredentialProviders` | `false` | Alpha | 1.20 | |
| `LegacyNodeRoleBehavior` | `false` | Alpha | 1.16 | 1.18 |
| `LegacyNodeRoleBehavior` | `true` | Beta | 1.19 | 1.20 |
| `LocalStorageCapacityIsolation` | `false` | Alpha | 1.7 | 1.9 | | `LocalStorageCapacityIsolation` | `false` | Alpha | 1.7 | 1.9 |
| `LocalStorageCapacityIsolation` | `true` | Beta | 1.10 | | | `LocalStorageCapacityIsolation` | `true` | Beta | 1.10 | |
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | | | `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | |
| `LogarithmicScaleDown` | `false` | Alpha | 1.21 | | | `LogarithmicScaleDown` | `false` | Alpha | 1.21 | |
| `KubeletPodResourcesGetAllocatable` | `false` | Alpha | 1.21 | | | `KubeletPodResourcesGetAllocatable` | `false` | Alpha | 1.21 | |
| `MemoryManager` | `false` | Alpha | 1.21 | 1.21 |
| `MemoryManager` | `true` | Beta | 1.22 | |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | | | `MixedProtocolLBService` | `false` | Alpha | 1.20 | |
| `NamespaceDefaultLabelName` | `true` | Beta | 1.21 | | | `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | | | `NetworkPolicyEndPort` | `true` | Beta | 1.22 | |
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 | | `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
| `NonPreemptingPriority` | `true` | Beta | 1.19 | | | `NonPreemptingPriority` | `true` | Beta | 1.19 | |
| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 | | `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
@@ -148,28 +150,34 @@ different Kubernetes components.
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 | | `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | | | `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | |
| `PodOverhead` | `false` | Alpha | 1.16 | 1.17 | | `PodOverhead` | `false` | Alpha | 1.16 | 1.17 |
| `PodOverhead` | `true` | Beta | 1.18 | | | `PodOverhead` | `true` | Beta | 1.18 | |
| `PodSecurity` | `false` | Alpha | 1.22 | |
| `PreferNominatedNode` | `false` | Alpha | 1.21 | 1.21 |
| `PreferNominatedNode` | `true` | Beta | 1.22 | |
| `ProbeTerminationGracePeriod` | `false` | Alpha | 1.21 | | | `ProbeTerminationGracePeriod` | `false` | Alpha | 1.21 | |
| `ProxyTerminatingEndpoints` | `false` | Alpha | 1.22 | |
| `ProcMountType` | `false` | Alpha | 1.12 | | | `ProcMountType` | `false` | Alpha | 1.12 | |
| `QOSReserved` | `false` | Alpha | 1.11 | | | `QOSReserved` | `false` | Alpha | 1.11 | |
| `RemainingItemCount` | `false` | Alpha | 1.15 | | | `ReadWriteOncePod` | `false` | Alpha | 1.22 | |
| `RemainingItemCount` | `false` | Alpha | 1.15 | 1.15 |
| `RemainingItemCount` | `true` | Beta | 1.16 | |
| `RemoveSelfLink` | `false` | Alpha | 1.16 | 1.19 | | `RemoveSelfLink` | `false` | Alpha | 1.16 | 1.19 |
| `RemoveSelfLink` | `true` | Beta | 1.20 | | | `RemoveSelfLink` | `true` | Beta | 1.20 | |
| `RotateKubeletServerCertificate` | `false` | Alpha | 1.7 | 1.11 | | `RotateKubeletServerCertificate` | `false` | Alpha | 1.7 | 1.11 |
| `RotateKubeletServerCertificate` | `true` | Beta | 1.12 | | | `RotateKubeletServerCertificate` | `true` | Beta | 1.12 | |
| `RunAsGroup` | `true` | Beta | 1.14 | |
| `SeccompDefault` | `false` | Alpha | 1.22 | | | `SeccompDefault` | `false` | Alpha | 1.22 | |
| `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | | | `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | |
| `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | | | `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | |
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | | | `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 | | `ServiceLoadBalancerClass` | `true` | Beta | 1.22 | |
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 | | `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | 1.21 |
| `ServiceTopology` | `false` | Alpha | 1.17 | | | `SizeMemoryBackedVolumes` | `true` | Beta | 1.22 | |
| `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | | | `StatefulSetMinReadySeconds` | `false` | Alpha | 1.22 | |
| `StorageVersionAPI` | `false` | Alpha | 1.20 | | | `StorageVersionAPI` | `false` | Alpha | 1.20 | |
| `StorageVersionHash` | `false` | Alpha | 1.14 | 1.14 | | `StorageVersionHash` | `false` | Alpha | 1.14 | 1.14 |
| `StorageVersionHash` | `true` | Beta | 1.15 | | | `StorageVersionHash` | `true` | Beta | 1.15 | |
| `SuspendJob` | `false` | Alpha | 1.21 | | | `SuspendJob` | `false` | Alpha | 1.21 | 1.21 |
| `SuspendJob` | `true` | Beta | 1.22 | |
| `TTLAfterFinished` | `false` | Alpha | 1.12 | 1.20 | | `TTLAfterFinished` | `false` | Alpha | 1.12 | 1.20 |
| `TTLAfterFinished` | `true` | Beta | 1.21 | | | `TTLAfterFinished` | `true` | Beta | 1.21 | |
| `TopologyAwareHints` | `false` | Alpha | 1.21 | | | `TopologyAwareHints` | `false` | Alpha | 1.21 | |
@@ -181,6 +189,7 @@ different Kubernetes components.
| `WinOverlay` | `true` | Beta | 1.20 | | | `WinOverlay` | `true` | Beta | 1.20 | |
| `WindowsEndpointSliceProxying` | `false` | Alpha | 1.19 | 1.20 | | `WindowsEndpointSliceProxying` | `false` | Alpha | 1.19 | 1.20 |
| `WindowsEndpointSliceProxying` | `true` | Beta | 1.21 | | | `WindowsEndpointSliceProxying` | `true` | Beta | 1.21 | |
| `WindowsHostProcessContainers` | `false` | Alpha | 1.22 | |
{{< /table >}} {{< /table >}}
### Feature gates for graduated or deprecated features ### Feature gates for graduated or deprecated features
@@ -201,11 +210,13 @@ different Kubernetes components.
| `AttachVolumeLimit` | `false` | Alpha | 1.11 | 1.11 | | `AttachVolumeLimit` | `false` | Alpha | 1.11 | 1.11 |
| `AttachVolumeLimit` | `true` | Beta | 1.12 | 1.16 | | `AttachVolumeLimit` | `true` | Beta | 1.12 | 1.16 |
| `AttachVolumeLimit` | `true` | GA | 1.17 | - | | `AttachVolumeLimit` | `true` | GA | 1.17 | - |
| `BalanceAttachedNodeVolumes` | `false` | Alpha | 1.11 | 1.21 |
| `BalanceAttachedNodeVolumes` | `false` | Deprecated | 1.22 | |
| `BlockVolume` | `false` | Alpha | 1.9 | 1.12 | | `BlockVolume` | `false` | Alpha | 1.9 | 1.12 |
| `BlockVolume` | `true` | Beta | 1.13 | 1.17 | | `BlockVolume` | `true` | Beta | 1.13 | 1.17 |
| `BlockVolume` | `true` | GA | 1.18 | - | | `BlockVolume` | `true` | GA | 1.18 | - |
| `BoundServiceAccountTokenVolume` | `false` | Alpha | 1.13 | 1.20 | | `BoundServiceAccountTokenVolume` | `false` | Alpha | 1.13 | 1.20 |
| `BoundServiceAccountTokenVolume` | `true` | Beta | 1.21 | 1.22 | | `BoundServiceAccountTokenVolume` | `true` | Beta | 1.21 | 1.21 |
| `BoundServiceAccountTokenVolume` | `true` | GA | 1.22 | - | | `BoundServiceAccountTokenVolume` | `true` | GA | 1.22 | - |
| `CRIContainerLogRotation` | `false` | Alpha | 1.10 | 1.10 | | `CRIContainerLogRotation` | `false` | Alpha | 1.10 | 1.10 |
| `CRIContainerLogRotation` | `true` | Beta | 1.11 | 1.20 | | `CRIContainerLogRotation` | `true` | Beta | 1.11 | 1.20 |
@@ -216,12 +227,17 @@ different Kubernetes components.
| `CSIDriverRegistry` | `false` | Alpha | 1.12 | 1.13 | | `CSIDriverRegistry` | `false` | Alpha | 1.12 | 1.13 |
| `CSIDriverRegistry` | `true` | Beta | 1.14 | 1.17 | | `CSIDriverRegistry` | `true` | Beta | 1.14 | 1.17 |
| `CSIDriverRegistry` | `true` | GA | 1.18 | | | `CSIDriverRegistry` | `true` | GA | 1.18 | |
| `CSIMigrationvSphereComplete` | `false` | Beta | 1.19 | 1.21 |
| `CSIMigrationvSphereComplete` | `false` | Deprecated | 1.22 | - |
| `CSINodeInfo` | `false` | Alpha | 1.12 | 1.13 | | `CSINodeInfo` | `false` | Alpha | 1.12 | 1.13 |
| `CSINodeInfo` | `true` | Beta | 1.14 | 1.16 | | `CSINodeInfo` | `true` | Beta | 1.14 | 1.16 |
| `CSINodeInfo` | `true` | GA | 1.17 | | | `CSINodeInfo` | `true` | GA | 1.17 | |
| `CSIPersistentVolume` | `false` | Alpha | 1.9 | 1.9 | | `CSIPersistentVolume` | `false` | Alpha | 1.9 | 1.9 |
| `CSIPersistentVolume` | `true` | Beta | 1.10 | 1.12 | | `CSIPersistentVolume` | `true` | Beta | 1.10 | 1.12 |
| `CSIPersistentVolume` | `true` | GA | 1.13 | - | | `CSIPersistentVolume` | `true` | GA | 1.13 | - |
| `CSIServiceAccountToken` | `false` | Alpha | 1.20 | 1.20 |
| `CSIServiceAccountToken` | `true` | Beta | 1.21 | 1.21 |
| `CSIServiceAccountToken` | `true` | GA | 1.22 | |
| `CronJobControllerV2` | `false` | Alpha | 1.20 | 1.20 | | `CronJobControllerV2` | `false` | Alpha | 1.20 | 1.20 |
| `CronJobControllerV2` | `true` | Beta | 1.21 | 1.21 | | `CronJobControllerV2` | `true` | Beta | 1.21 | 1.21 |
| `CronJobControllerV2` | `true` | GA | 1.22 | - | | `CronJobControllerV2` | `true` | GA | 1.22 | - |
@@ -288,16 +304,22 @@ different Kubernetes components.
| `KubeletPodResources` | `false` | Alpha | 1.13 | 1.14 | | `KubeletPodResources` | `false` | Alpha | 1.13 | 1.14 |
| `KubeletPodResources` | `true` | Beta | 1.15 | | | `KubeletPodResources` | `true` | Beta | 1.15 | |
| `KubeletPodResources` | `true` | GA | 1.20 | | | `KubeletPodResources` | `true` | GA | 1.20 | |
| `LegacyNodeRoleBehavior` | `false` | Alpha | 1.16 | 1.18 |
| `LegacyNodeRoleBehavior` | `true` | Beta | 1.19 | 1.20 |
| `LegacyNodeRoleBehavior` | `false` | GA | 1.21 | - | | `LegacyNodeRoleBehavior` | `false` | GA | 1.21 | - |
| `MountContainers` | `false` | Alpha | 1.9 | 1.16 | | `MountContainers` | `false` | Alpha | 1.9 | 1.16 |
| `MountContainers` | `false` | Deprecated | 1.17 | - | | `MountContainers` | `false` | Deprecated | 1.17 | - |
| `MountPropagation` | `false` | Alpha | 1.8 | 1.9 | | `MountPropagation` | `false` | Alpha | 1.8 | 1.9 |
| `MountPropagation` | `true` | Beta | 1.10 | 1.11 | | `MountPropagation` | `true` | Beta | 1.10 | 1.11 |
| `MountPropagation` | `true` | GA | 1.12 | - | | `MountPropagation` | `true` | GA | 1.12 | - |
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
| `NodeDisruptionExclusion` | `true` | GA | 1.21 | - | | `NodeDisruptionExclusion` | `true` | GA | 1.21 | - |
| `NodeLease` | `false` | Alpha | 1.12 | 1.13 | | `NodeLease` | `false` | Alpha | 1.12 | 1.13 |
| `NodeLease` | `true` | Beta | 1.14 | 1.16 | | `NodeLease` | `true` | Beta | 1.14 | 1.16 |
| `NodeLease` | `true` | GA | 1.17 | - | | `NodeLease` | `true` | GA | 1.17 | - |
| `NamespaceDefaultLabelName` | `true` | Beta | 1.21 | 1.21 |
| `NamespaceDefaultLabelName` | `true` | GA | 1.22 | - |
| `PVCProtection` | `false` | Alpha | 1.9 | 1.9 | | `PVCProtection` | `false` | Alpha | 1.9 | 1.9 |
| `PVCProtection` | - | Deprecated | 1.10 | - | | `PVCProtection` | - | Deprecated | 1.10 | - |
| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 | | `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
@@ -327,15 +349,20 @@ different Kubernetes components.
| `RootCAConfigMap` | `true` | GA | 1.21 | - | | `RootCAConfigMap` | `true` | GA | 1.21 | - |
| `RotateKubeletClientCertificate` | `true` | Beta | 1.8 | 1.18 | | `RotateKubeletClientCertificate` | `true` | Beta | 1.8 | 1.18 |
| `RotateKubeletClientCertificate` | `true` | GA | 1.19 | - | | `RotateKubeletClientCertificate` | `true` | GA | 1.19 | - |
| `RunAsGroup` | `true` | Beta | 1.14 | 1.20 |
| `RunAsGroup` | `true` | GA | 1.21 | - |
| `RuntimeClass` | `false` | Alpha | 1.12 | 1.13 | | `RuntimeClass` | `false` | Alpha | 1.12 | 1.13 |
| `RuntimeClass` | `true` | Beta | 1.14 | 1.19 | | `RuntimeClass` | `true` | Beta | 1.14 | 1.19 |
| `RuntimeClass` | `true` | GA | 1.20 | - | | `RuntimeClass` | `true` | GA | 1.20 | - |
| `ScheduleDaemonSetPods` | `false` | Alpha | 1.11 | 1.11 |
| `ScheduleDaemonSetPods` | `true` | Beta | 1.12 | 1.16 |
| `ScheduleDaemonSetPods` | `true` | GA | 1.17 | - |
| `SCTPSupport` | `false` | Alpha | 1.12 | 1.18 | | `SCTPSupport` | `false` | Alpha | 1.12 | 1.18 |
| `SCTPSupport` | `true` | Beta | 1.19 | 1.19 | | `SCTPSupport` | `true` | Beta | 1.19 | 1.19 |
| `SCTPSupport` | `true` | GA | 1.20 | - | | `SCTPSupport` | `true` | GA | 1.20 | - |
| `ScheduleDaemonSetPods` | `false` | Alpha | 1.11 | 1.11 |
| `ScheduleDaemonSetPods` | `true` | Beta | 1.12 | 1.16 |
| `ScheduleDaemonSetPods` | `true` | GA | 1.17 | - |
| `SelectorIndex` | `false` | Alpha | 1.18 | 1.18 |
| `SelectorIndex` | `true` | Beta | 1.19 | 1.19 |
| `SelectorIndex` | `true` | GA | 1.20 | - |
| `ServerSideApply` | `false` | Alpha | 1.14 | 1.15 | | `ServerSideApply` | `false` | Alpha | 1.14 | 1.15 |
| `ServerSideApply` | `true` | Beta | 1.16 | 1.21 | | `ServerSideApply` | `true` | Beta | 1.16 | 1.21 |
| `ServerSideApply` | `true` | GA | 1.22 | - | | `ServerSideApply` | `true` | GA | 1.22 | - |
@@ -348,7 +375,11 @@ different Kubernetes components.
| `ServiceLoadBalancerFinalizer` | `false` | Alpha | 1.15 | 1.15 | | `ServiceLoadBalancerFinalizer` | `false` | Alpha | 1.15 | 1.15 |
| `ServiceLoadBalancerFinalizer` | `true` | Beta | 1.16 | 1.16 | | `ServiceLoadBalancerFinalizer` | `true` | Beta | 1.16 | 1.16 |
| `ServiceLoadBalancerFinalizer` | `true` | GA | 1.17 | - | | `ServiceLoadBalancerFinalizer` | `true` | GA | 1.17 | - |
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 |
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 |
| `ServiceNodeExclusion` | `true` | GA | 1.21 | - | | `ServiceNodeExclusion` | `true` | GA | 1.21 | - |
| `ServiceTopology` | `false` | Alpha | 1.17 | 1.19 |
| `ServiceTopology` | `false` | Deprecated | 1.20 | - |
| `SetHostnameAsFQDN` | `false` | Alpha | 1.19 | 1.19 | | `SetHostnameAsFQDN` | `false` | Alpha | 1.19 | 1.19 |
| `SetHostnameAsFQDN` | `true` | Beta | 1.20 | 1.21 | | `SetHostnameAsFQDN` | `true` | Beta | 1.20 | 1.21 |
| `SetHostnameAsFQDN` | `true` | GA | 1.22 | - | | `SetHostnameAsFQDN` | `true` | GA | 1.22 | - |
@@ -463,6 +494,7 @@ Each feature gate is designed for enabling/disabling a specific feature:
prioritization and fairness at each server. (Renamed from `RequestManagement`) prioritization and fairness at each server. (Renamed from `RequestManagement`)
- `APIResponseCompression`: Compress the API responses for `LIST` or `GET` requests. - `APIResponseCompression`: Compress the API responses for `LIST` or `GET` requests.
- `APIServerIdentity`: Assign each API server an ID in a cluster. - `APIServerIdentity`: Assign each API server an ID in a cluster.
- `APIServerTracing`: Add support for distributed tracing in the API server.
- `Accelerators`: Enable Nvidia GPU support when using Docker - `Accelerators`: Enable Nvidia GPU support when using Docker
- `AdvancedAuditing`: Enable [advanced auditing](/docs/tasks/debug-application-cluster/audit/#advanced-audit) - `AdvancedAuditing`: Enable [advanced auditing](/docs/tasks/debug-application-cluster/audit/#advanced-audit)
- `AffinityInAnnotations`: Enable setting - `AffinityInAnnotations`: Enable setting
@@ -575,10 +607,14 @@ Each feature gate is designed for enabling/disabling a specific feature:
This field controls whether volumes created by a CSIDriver support volume ownership This field controls whether volumes created by a CSIDriver support volume ownership
and permission modifications when these volumes are mounted. and permission modifications when these volumes are mounted.
- `CSIVolumeHealth`: Enable support for CSI volume health monitoring on node. - `CSIVolumeHealth`: Enable support for CSI volume health monitoring on node.
- `CSRDuration`: Allows clients to request a duration for certificates issued
via the Kubernetes CSR API.
- `ConfigurableFSGroupPolicy`: Allows user to configure volume permission change policy - `ConfigurableFSGroupPolicy`: Allows user to configure volume permission change policy
for fsGroups when mounting a volume in a Pod. See for fsGroups when mounting a volume in a Pod. See
[Configure volume permission and ownership change policy for Pods](/docs/tasks/configure-pod-container/security-context/#configure-volume-permission-and-ownership-change-policy-for-pods) [Configure volume permission and ownership change policy for Pods](/docs/tasks/configure-pod-container/security-context/#configure-volume-permission-and-ownership-change-policy-for-pods)
for more details. for more details.
- `ControllerManagerLeaderMigration`: Enables leader migration for
`kube-controller-manager` and `cloud-controller-manager`.
- `CronJobControllerV2`: Use an alternative implementation of the - `CronJobControllerV2`: Use an alternative implementation of the
{{< glossary_tooltip text="CronJob" term_id="cronjob" >}} controller. Otherwise, {{< glossary_tooltip text="CronJob" term_id="cronjob" >}} controller. Otherwise,
version 1 of the same controller is selected. version 1 of the same controller is selected.
@@ -595,12 +631,17 @@ Each feature gate is designed for enabling/disabling a specific feature:
[CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/). [CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
- `CustomResourceWebhookConversion`: Enable webhook-based conversion - `CustomResourceWebhookConversion`: Enable webhook-based conversion
on resources created from [CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/). on resources created from [CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
- `DaemonSetUpdateSurge`: Enables the DaemonSet workloads to maintain
availability during update per node.
- `DefaultPodTopologySpread`: Enables the use of `PodTopologySpread` scheduling plugin to do - `DefaultPodTopologySpread`: Enables the use of `PodTopologySpread` scheduling plugin to do
[default spreading](/docs/concepts/workloads/pods/pod-topology-spread-constraints/#internal-default-constraints). [default spreading](/docs/concepts/workloads/pods/pod-topology-spread-constraints/#internal-default-constraints).
- `DevicePlugins`: Enable the [device-plugins](/docs/concepts/extend-kubernetes/compute-storage-net/device-plugins/) - `DevicePlugins`: Enable the [device-plugins](/docs/concepts/extend-kubernetes/compute-storage-net/device-plugins/)
based resource provisioning on nodes. based resource provisioning on nodes.
- `DisableAcceleratorUsageMetrics`: - `DisableAcceleratorUsageMetrics`:
[Disable accelerator metrics collected by the kubelet](/docs/concepts/cluster-administration/system-metrics/#disable-accelerator-metrics). [Disable accelerator metrics collected by the kubelet](/docs/concepts/cluster-administration/system-metrics/#disable-accelerator-metrics).
- `DisableCloudProviders`: Disables any functionality in `kube-apiserver`,
`kube-controller-manager` and `kubelet` related to the `--cloud-provider`
component flag.
- `DownwardAPIHugePages`: Enables usage of hugepages in - `DownwardAPIHugePages`: Enables usage of hugepages in
[downward API](/docs/tasks/inject-data-application/downward-api-volume-expose-pod-information). [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 - `DryRun`: Enable server-side [dry run](/docs/reference/using-api/api-concepts/#dry-run) requests
@@ -716,6 +757,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
filesystem walk for better performance and accuracy. filesystem walk for better performance and accuracy.
- `LogarithmicScaleDown`: Enable semi-random selection of pods to evict on controller scaledown - `LogarithmicScaleDown`: Enable semi-random selection of pods to evict on controller scaledown
based on logarithmic bucketing of pod timestamps. based on logarithmic bucketing of pod timestamps.
- `MemoryManager`: Allows setting memory affinity for a container based on
NUMA topology.
- `MixedProtocolLBService`: Enable using different protocols in the same `LoadBalancer` type - `MixedProtocolLBService`: Enable using different protocols in the same `LoadBalancer` type
Service instance. Service instance.
- `MountContainers`: Enable using utility containers on host as the volume mounter. - `MountContainers`: Enable using utility containers on host as the volume mounter.
@@ -744,17 +787,25 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `PodReadinessGates`: Enable the setting of `PodReadinessGate` field for extending - `PodReadinessGates`: Enable the setting of `PodReadinessGate` field for extending
Pod readiness evaluation. See [Pod readiness gate](/docs/concepts/workloads/pods/pod-lifecycle/#pod-readiness-gate) Pod readiness evaluation. See [Pod readiness gate](/docs/concepts/workloads/pods/pod-lifecycle/#pod-readiness-gate)
for more details. for more details.
- `PodSecurity`: Enables the `PodSecurity` admission plugin.
- `PodShareProcessNamespace`: Enable the setting of `shareProcessNamespace` in a Pod for sharing - `PodShareProcessNamespace`: Enable the setting of `shareProcessNamespace` in a Pod for sharing
a single process namespace between containers running in a pod. More details can be found in 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/). [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.
- `ProbeTerminationGracePeriod`: Enable [setting probe-level - `ProbeTerminationGracePeriod`: Enable [setting probe-level
`terminationGracePeriodSeconds`](/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#probe-level-terminationgraceperiodseconds) `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) for more details. on pods. See the [enhancement proposal](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/2238-liveness-probe-grace-period) for more details.
- `ProcMountType`: Enables control over the type proc mounts for containers - `ProcMountType`: Enables control over the type proc mounts for containers
by setting the `procMount` field of a SecurityContext. by setting the `procMount` field of a SecurityContext.
- `ProxyTerminatingEndpoints`: Enable the kube-proxy to handle terminating
endpoints when `ExternalTrafficPolicy=Local`.
- `QOSReserved`: Allows resource reservations at the QoS level preventing pods - `QOSReserved`: Allows resource reservations at the QoS level preventing pods
at lower QoS levels from bursting into resources requested at higher QoS levels at lower QoS levels from bursting into resources requested at higher QoS levels
(memory only for now). (memory only for now).
- `ReadWriteOncePod`: Enables the usage of `ReadWriteOncePod` PersistentVolume
access mode.
- `RemainingItemCount`: Allow the API servers to show a count of remaining - `RemainingItemCount`: Allow the API servers to show a count of remaining
items in the response to a items in the response to a
[chunking list request](/docs/reference/using-api/api-concepts/#retrieving-large-results-sets-in-chunks). [chunking list request](/docs/reference/using-api/api-concepts/#retrieving-large-results-sets-in-chunks).
@@ -788,6 +839,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
Endpoints, EndpointSlice, and NetworkPolicy definitions. Endpoints, EndpointSlice, and NetworkPolicy definitions.
- `SeccompDefault`: Enables the use of `RuntimeDefault` as the default seccomp profile for all workloads. - `SeccompDefault`: Enables the use of `RuntimeDefault` as the default seccomp profile for all workloads.
The seccomp profile is specified in the `securityContext` of a Pod and/or a Container. The seccomp profile is specified in the `securityContext` of a Pod and/or a Container.
- `SelectorIndex`: Allows label and field based indexes in API server watch
cache to accelerate list operations.
- `ServerSideApply`: Enables the [Sever Side Apply (SSA)](/docs/reference/using-api/server-side-apply/) - `ServerSideApply`: Enables the [Sever Side Apply (SSA)](/docs/reference/using-api/server-side-apply/)
feature on the API Server. feature on the API Server.
- `ServiceAccountIssuerDiscovery`: Enable OIDC discovery endpoints (issuer and - `ServiceAccountIssuerDiscovery`: Enable OIDC discovery endpoints (issuer and
@@ -815,6 +868,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `StartupProbe`: Enable the - `StartupProbe`: Enable the
[startup](/docs/concepts/workloads/pods/pod-lifecycle/#when-should-you-use-a-startup-probe) [startup](/docs/concepts/workloads/pods/pod-lifecycle/#when-should-you-use-a-startup-probe)
probe in the kubelet. probe in the kubelet.
- `StatefulSetMinReadySeconds`: Allows `minReadySeconds` to be respected by
the StatefulSet controller.
- `StorageObjectInUseProtection`: Postpone the deletion of PersistentVolume or - `StorageObjectInUseProtection`: Postpone the deletion of PersistentVolume or
PersistentVolumeClaim objects if they are still being used. PersistentVolumeClaim objects if they are still being used.
- `StorageVersionAPI`: Enable the - `StorageVersionAPI`: Enable the
@@ -884,6 +939,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
will use EndpointSlices as the primary data source instead of Endpoints, will use EndpointSlices as the primary data source instead of Endpoints,
enabling scalability and performance improvements. See enabling scalability and performance improvements. See
[Enabling Endpoint Slices](/docs/tasks/administer-cluster/enabling-endpointslices/). [Enabling Endpoint Slices](/docs/tasks/administer-cluster/enabling-endpointslices/).
- `WindowsHostProcessContainers`: Enables the support for `HostProcess`
containers on Windows nodes.
## {{% heading "whatsnext" %}} ## {{% heading "whatsnext" %}}