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Update feature gates for 1.22
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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
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tengqm committed Jun 28, 2021
1 parent 98ac1b4 commit 993cc7b
Showing 1 changed file with 57 additions and 23 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,6 @@ different Kubernetes components.
| `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | |
| `AnyVolumeDataSource` | `false` | Alpha | 1.18 | |
| `AppArmor` | `true` | Beta | 1.4 | |
| `BalanceAttachedNodeVolumes` | `false` | Alpha | 1.11 | |
| `CPUManager` | `false` | Alpha | 1.8 | 1.9 |
| `CPUManager` | `true` | Beta | 1.10 | |
| `CSIInlineVolume` | `false` | Alpha | 1.15 | 1.15 |
Expand All @@ -81,9 +80,6 @@ different Kubernetes components.
| `CSIMigrationOpenStack` | `true` | Beta | 1.18 | |
| `CSIMigrationOpenStackComplete` | `false` | Alpha | 1.17 | |
| `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` | `true` | Beta | 1.21 | |
| `CSIVolumeFSGroupPolicy` | `false` | Alpha | 1.19 | 1.19 |
Expand All @@ -92,12 +88,15 @@ different Kubernetes components.
| `ConfigurableFSGroupPolicy` | `false` | Alpha | 1.18 | 1.19 |
| `ConfigurableFSGroupPolicy` | `true` | Beta | 1.20 | |
| `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` | `true` | Beta | 1.20 | |
| `DevicePlugins` | `false` | Alpha | 1.8 | 1.9 |
| `DevicePlugins` | `true` | Beta | 1.10 | |
| `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 |
| `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | |
| `DisableCloudProviders` | `false` | Alpha | 1.22 | |
| `DownwardAPIHugePages` | `false` | Alpha | 1.20 | 1.20 |
| `DownwardAPIHugePages` | `false` | Beta | 1.21 | |
| `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
Expand All @@ -123,30 +122,30 @@ different Kubernetes components.
| `HPAScaleToZero` | `false` | Alpha | 1.16 | |
| `HugePageStorageMediumSize` | `false` | Alpha | 1.18 | 1.18 |
| `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 | |
| `IPv6DualStack` | `false` | Alpha | 1.15 | 1.20 |
| `IPv6DualStack` | `true` | Beta | 1.21 | |
| `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` | `true` | Beta | 1.10 | |
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | |
| `LogarithmicScaleDown` | `false` | Alpha | 1.21 | |
| `KubeletPodResourcesGetAllocatable` | `false` | Alpha | 1.21 | |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | |
| `NamespaceDefaultLabelName` | `true` | Beta | 1.21 | |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | |
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
| `NetworkPolicyEndPort` | `true` | Beta | 1.22 | |
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
| `NonPreemptingPriority` | `true` | Beta | 1.19 | |
| `PodDeletionCost` | `false` | Alpha | 1.21 | |
| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
| `PodDeletionCost` | `true` | Beta | 1.22 | |
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | |
| `PodOverhead` | `false` | Alpha | 1.16 | 1.17 |
| `PodOverhead` | `true` | Beta | 1.18 | |
| `PreferNominatedNode` | `false` | Alpha | 1.21 | 1.21 |
| `PreferNominatedNode` | `true` | Beta | 1.22 | |
| `ProbeTerminationGracePeriod` | `false` | Alpha | 1.21 | |
| `ProcMountType` | `false` | Alpha | 1.12 | |
| `QOSReserved` | `false` | Alpha | 1.11 | |
Expand All @@ -155,18 +154,19 @@ different Kubernetes components.
| `RemoveSelfLink` | `true` | Beta | 1.20 | |
| `RotateKubeletServerCertificate` | `false` | Alpha | 1.7 | 1.11 |
| `RotateKubeletServerCertificate` | `true` | Beta | 1.12 | |
| `RunAsGroup` | `true` | Beta | 1.14 | |
| `SeccompDefault` | `false` | Alpha | 1.22 | |
| `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | |
| `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | |
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | |
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 |
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 |
| `ServiceTopology` | `false` | Alpha | 1.17 | |
| `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | |
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | 1.21 |
| `ServiceLoadBalancerClass` | `true` | Beta | 1.22 | |
| `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | 1.21 |
| `SizeMemoryBackedVolumes` | `true` | Beta | 1.22 | |
| `StatefulSetMinReadySeconds` | `false` | Alpha | 1.22 | |
| `StorageVersionAPI` | `false` | Alpha | 1.20 | |
| `StorageVersionHash` | `false` | Alpha | 1.14 | 1.14 |
| `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` | `true` | Beta | 1.21 | |
| `TopologyAwareHints` | `false` | Alpha | 1.21 | |
Expand All @@ -178,6 +178,7 @@ different Kubernetes components.
| `WinOverlay` | `true` | Beta | 1.20 | |
| `WindowsEndpointSliceProxying` | `false` | Alpha | 1.19 | 1.20 |
| `WindowsEndpointSliceProxying` | `true` | Beta | 1.21 | |
| `WindowsHostProcessContainers` | `false` | Alpha | 1.22 | |
{{< /table >}}

### Feature gates for graduated or deprecated features
Expand All @@ -198,11 +199,13 @@ different Kubernetes components.
| `AttachVolumeLimit` | `false` | Alpha | 1.11 | 1.11 |
| `AttachVolumeLimit` | `true` | Beta | 1.12 | 1.16 |
| `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` | `true` | Beta | 1.13 | 1.17 |
| `BlockVolume` | `true` | GA | 1.18 | - |
| `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 | - |
| `CRIContainerLogRotation` | `false` | Alpha | 1.10 | 1.10 |
| `CRIContainerLogRotation` | `true` | Beta | 1.11 | 1.20 |
Expand All @@ -213,12 +216,17 @@ different Kubernetes components.
| `CSIDriverRegistry` | `false` | Alpha | 1.12 | 1.13 |
| `CSIDriverRegistry` | `true` | Beta | 1.14 | 1.17 |
| `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` | `true` | Beta | 1.14 | 1.16 |
| `CSINodeInfo` | `true` | GA | 1.17 | |
| `CSIPersistentVolume` | `false` | Alpha | 1.9 | 1.9 |
| `CSIPersistentVolume` | `true` | Beta | 1.10 | 1.12 |
| `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` | `true` | Beta | 1.21 | 1.21 |
| `CronJobControllerV2` | `true` | GA | 1.22 | - |
Expand Down Expand Up @@ -285,16 +293,22 @@ different Kubernetes components.
| `KubeletPodResources` | `false` | Alpha | 1.13 | 1.14 |
| `KubeletPodResources` | `true` | Beta | 1.15 | |
| `KubeletPodResources` | `true` | GA | 1.20 | |
| `LegacyNodeRoleBehavior` | `false` | Alpha | 1.16 | 1.18 |
| `LegacyNodeRoleBehavior` | `true` | Beta | 1.19 | 1.20 |
| `LegacyNodeRoleBehavior` | `false` | GA | 1.21 | - |
| `MountContainers` | `false` | Alpha | 1.9 | 1.16 |
| `MountContainers` | `false` | Deprecated | 1.17 | - |
| `MountPropagation` | `false` | Alpha | 1.8 | 1.9 |
| `MountPropagation` | `true` | Beta | 1.10 | 1.11 |
| `MountPropagation` | `true` | GA | 1.12 | - |
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
| `NodeDisruptionExclusion` | `true` | GA | 1.21 | - |
| `NodeLease` | `false` | Alpha | 1.12 | 1.13 |
| `NodeLease` | `true` | Beta | 1.14 | 1.16 |
| `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` | - | Deprecated | 1.10 | - |
| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
Expand Down Expand Up @@ -324,15 +338,17 @@ different Kubernetes components.
| `RootCAConfigMap` | `true` | GA | 1.21 | - |
| `RotateKubeletClientCertificate` | `true` | Beta | 1.8 | 1.18 |
| `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` | `true` | Beta | 1.14 | 1.19 |
| `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` | `true` | Beta | 1.19 | 1.19 |
| `SCTPSupport` | `true` | GA | 1.20 | - |
| `ScheduleDaemonSetPods` | `false` | Alpha | 1.11 | 1.11 |
| `ScheduleDaemonSetPods` | `true` | Beta | 1.12 | 1.16 |
| `ScheduleDaemonSetPods` | `true` | GA | 1.17 | - |
| `ServerSideApply` | `false` | Alpha | 1.14 | 1.15 |
| `ServerSideApply` | `true` | Beta | 1.16 | 1.21 |
| `ServerSideApply` | `true` | GA | 1.22 | - |
Expand All @@ -345,7 +361,11 @@ different Kubernetes components.
| `ServiceLoadBalancerFinalizer` | `false` | Alpha | 1.15 | 1.15 |
| `ServiceLoadBalancerFinalizer` | `true` | Beta | 1.16 | 1.16 |
| `ServiceLoadBalancerFinalizer` | `true` | GA | 1.17 | - |
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 |
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 |
| `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` | `true` | Beta | 1.20 | 1.21 |
| `SetHostnameAsFQDN` | `true` | GA | 1.22 | - |
Expand Down Expand Up @@ -592,12 +612,17 @@ Each feature gate is designed for enabling/disabling a specific feature:
[CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
- `CustomResourceWebhookConversion`: Enable webhook-based conversion
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
[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/)
based resource provisioning on nodes.
- `DisableAcceleratorUsageMetrics`:
[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
[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
Expand Down Expand Up @@ -744,6 +769,9 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `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
[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
`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.
Expand Down Expand Up @@ -783,6 +811,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
instead of the DaemonSet controller.
- `SCTPSupport`: Enables the _SCTP_ `protocol` value in Pod, Service,
Endpoints, EndpointSlice, and NetworkPolicy definitions.
- `SeccompDefault`: If true, automatically set the `seccompProfile` of Pods
and Containers to "Default".
- `ServerSideApply`: Enables the [Sever Side Apply (SSA)](/docs/reference/using-api/server-side-apply/)
feature on the API Server.
- `ServiceAccountIssuerDiscovery`: Enable OIDC discovery endpoints (issuer and
Expand Down Expand Up @@ -810,6 +840,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `StartupProbe`: Enable the
[startup](/docs/concepts/workloads/pods/pod-lifecycle/#when-should-you-use-a-startup-probe)
probe in the kubelet.
- `StatefulSetMinReadySeconds`: Allows `minReadySeconds` to be respected by
the StatefulSet controller.
- `StorageObjectInUseProtection`: Postpone the deletion of PersistentVolume or
PersistentVolumeClaim objects if they are still being used.
- `StorageVersionAPI`: Enable the
Expand Down Expand Up @@ -879,6 +911,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
will use EndpointSlices as the primary data source instead of Endpoints,
enabling scalability and performance improvements. See
[Enabling Endpoint Slices](/docs/tasks/administer-cluster/enabling-endpointslices/).
- `WindowsHostProcessContainers`: Enables the support for `HostProcess`
containers on Windows nodes.


## {{% heading "whatsnext" %}}
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