mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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1094 lines
38 KiB
Go
1094 lines
38 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package features
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import (
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"k8s.io/apimachinery/pkg/util/runtime"
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genericfeatures "k8s.io/apiserver/pkg/features"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/component-base/featuregate"
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)
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const (
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// Every feature gate should add method here following this template:
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//
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// // owner: @username
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// // kep: https://kep.k8s.io/NNN
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// // alpha: v1.X
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// MyFeature featuregate.Feature = "MyFeature"
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//
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// Feature gates should be listed in alphabetical, case-sensitive
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// (upper before any lower case character) order. This reduces the risk
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// of code conflicts because changes are more likely to be scattered
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// across the file.
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// owner: @ttakahashi21 @mkimuram
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// kep: https://kep.k8s.io/3294
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// alpha: v1.26
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//
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// Enable usage of Provision of PVCs from snapshots in other namespaces
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CrossNamespaceVolumeDataSource featuregate.Feature = "CrossNamespaceVolumeDataSource"
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// owner: @bswartz
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// alpha: v1.18
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// beta: v1.24
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//
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// Enables usage of any object for volume data source in PVCs
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AnyVolumeDataSource featuregate.Feature = "AnyVolumeDataSource"
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// owner: @nabokihms
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// alpha: v1.26
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// beta: v1.27
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// GA: v1.28
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//
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// Enables API to get self subject attributes after authentication.
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APISelfSubjectReview featuregate.Feature = "APISelfSubjectReview"
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// owner: @tallclair
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// beta: v1.4
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AppArmor featuregate.Feature = "AppArmor"
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// owner: @danwinship
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// alpha: v1.27
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//
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// Enables dual-stack --node-ip in kubelet with external cloud providers
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CloudDualStackNodeIPs featuregate.Feature = "CloudDualStackNodeIPs"
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// owner: @ahmedtd
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// alpha: v1.26
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//
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// Enable ClusterTrustBundle objects and Kubelet integration.
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ClusterTrustBundle featuregate.Feature = "ClusterTrustBundle"
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// owner: @szuecs
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// alpha: v1.12
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//
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// Enable nodes to change CPUCFSQuotaPeriod
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CPUCFSQuotaPeriod featuregate.Feature = "CustomCPUCFSQuotaPeriod"
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// owner: @ConnorDoyle, @fromanirh (only for GA graduation)
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// alpha: v1.8
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// beta: v1.10
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// GA: v1.26
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//
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// Alternative container-level CPU affinity policies.
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CPUManager featuregate.Feature = "CPUManager"
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// owner: @fromanirh
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// alpha: v1.23
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// beta: see below.
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//
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// Allow fine-tuning of cpumanager policies, experimental, alpha-quality options
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// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
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// We want to avoid a proliferation of feature gates. This feature gate:
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// - will guard *a group* of cpumanager options whose quality level is alpha.
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// - will never graduate to beta or stable.
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// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
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// for details about the removal of this feature gate.
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CPUManagerPolicyAlphaOptions featuregate.Feature = "CPUManagerPolicyAlphaOptions"
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// owner: @fromanirh
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// beta: v1.23
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// beta: see below.
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//
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// Allow fine-tuning of cpumanager policies, experimental, beta-quality options
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// Per https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
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// We want to avoid a proliferation of feature gates. This feature gate:
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// - will guard *a group* of cpumanager options whose quality level is beta.
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// - is thus *introduced* as beta
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// - will never graduate to stable.
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// See https://groups.google.com/g/kubernetes-sig-architecture/c/Nxsc7pfe5rw/m/vF2djJh0BAAJ
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// for details about the removal of this feature gate.
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CPUManagerPolicyBetaOptions featuregate.Feature = "CPUManagerPolicyBetaOptions"
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// owner: @fromanirh
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// alpha: v1.22
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// beta: v1.23
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//
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// Allow the usage of options to fine-tune the cpumanager policies.
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CPUManagerPolicyOptions featuregate.Feature = "CPUManagerPolicyOptions"
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// owner: @davidz627
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// alpha: v1.14
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// beta: v1.17
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// GA: 1.25
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//
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// Enables the GCE PD in-tree driver to GCE CSI Driver migration feature.
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CSIMigrationGCE featuregate.Feature = "CSIMigrationGCE"
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// owner: @mfordjody
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// alpha: v1.26
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//
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// Skip validation Enable in next version
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SkipReadOnlyValidationGCE featuregate.Feature = "SkipReadOnlyValidationGCE"
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// owner: @trierra
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// alpha: v1.23
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//
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// Enables the Portworx in-tree driver to Portworx migration feature.
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CSIMigrationPortworx featuregate.Feature = "CSIMigrationPortworx"
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// owner: @humblec
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// alpha: v1.23
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//
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// Enables the RBD in-tree driver to RBD CSI Driver migration feature.
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CSIMigrationRBD featuregate.Feature = "CSIMigrationRBD"
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// owner: @divyenpatel
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// beta: v1.19 (requires: vSphere vCenter/ESXi Version: 7.0u2, HW Version: VM version 15)
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// GA: 1.26
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// Enables the vSphere in-tree driver to vSphere CSI Driver migration feature.
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CSIMigrationvSphere featuregate.Feature = "CSIMigrationvSphere"
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// owner: @humblec, @zhucan
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// kep: https://kep.k8s.io/3171
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// alpha: v1.25
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// beta: v1.27
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//
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// Enables SecretRef field in CSI NodeExpandVolume request.
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CSINodeExpandSecret featuregate.Feature = "CSINodeExpandSecret"
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// owner: @fengzixu
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// alpha: v1.21
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//
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// Enables kubelet to detect CSI volume condition and send the event of the abnormal volume to the corresponding pod that is using it.
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CSIVolumeHealth featuregate.Feature = "CSIVolumeHealth"
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// owner: @nckturner
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// kep: http://kep.k8s.io/2699
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// alpha: v1.27
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// Enable webhooks in cloud controller manager
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CloudControllerManagerWebhook featuregate.Feature = "CloudControllerManagerWebhook"
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// owner: @adrianreber
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// kep: https://kep.k8s.io/2008
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// alpha: v1.25
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//
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// Enables container Checkpoint support in the kubelet
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ContainerCheckpoint featuregate.Feature = "ContainerCheckpoint"
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// owner: @bhcleek @wzshiming
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// GA: v1.25
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//
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// Normalize HttpGet URL and Header passing for lifecycle handlers with probers.
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ConsistentHTTPGetHandlers featuregate.Feature = "ConsistentHTTPGetHandlers"
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// owner: @deejross, @soltysh
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// kep: https://kep.k8s.io/3140
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// alpha: v1.24
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// beta: v1.25
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// GA: 1.27
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//
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// Enables support for time zones in CronJobs.
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CronJobTimeZone featuregate.Feature = "CronJobTimeZone"
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// owner: @thockin
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// deprecated: v1.28
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//
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// Changes when the default value of PodSpec.containers[].ports[].hostPort
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// is assigned. The default is to only set a default value in Pods.
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// Enabling this means a default will be assigned even to embeddedPodSpecs
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// (e.g. in a Deployment), which is the historical default.
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DefaultHostNetworkHostPortsInPodTemplates featuregate.Feature = "DefaultHostNetworkHostPortsInPodTemplates"
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// owner: @andrewsykim
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// alpha: v1.22
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//
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// Disable any functionality in kube-apiserver, kube-controller-manager and kubelet related to the `--cloud-provider` component flag.
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DisableCloudProviders featuregate.Feature = "DisableCloudProviders"
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// owner: @andrewsykim
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// alpha: v1.23
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//
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// Disable in-tree functionality in kubelet to authenticate to cloud provider container registries for image pull credentials.
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DisableKubeletCloudCredentialProviders featuregate.Feature = "DisableKubeletCloudCredentialProviders"
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// owner: @derekwaynecarr
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// alpha: v1.20
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// beta: v1.21 (off by default until 1.22)
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// ga: v1.27
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//
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// Enables usage of hugepages-<size> in downward API.
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DownwardAPIHugePages featuregate.Feature = "DownwardAPIHugePages"
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// owner: @pohly
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// kep: http://kep.k8s.io/3063
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// alpha: v1.26
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//
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// Enables support for resources with custom parameters and a lifecycle
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// that is independent of a Pod.
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DynamicResourceAllocation featuregate.Feature = "DynamicResourceAllocation"
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// owner: @harche
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// kep: http://kep.k8s.io/3386
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// alpha: v1.25
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// beta: v1.27
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//
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// Allows using event-driven PLEG (pod lifecycle event generator) through kubelet
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// which avoids frequent relisting of containers which helps optimize performance.
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EventedPLEG featuregate.Feature = "EventedPLEG"
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// owner: @andrewsykim @SergeyKanzhelev
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// GA: v1.20
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//
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// Ensure kubelet respects exec probe timeouts. Feature gate exists in-case existing workloads
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// may depend on old behavior where exec probe timeouts were ignored.
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// Lock to default and remove after v1.22 based on user feedback that should be reflected in KEP #1972 update
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ExecProbeTimeout featuregate.Feature = "ExecProbeTimeout"
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// owner: @gjkim42
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// kep: https://kep.k8s.io/2595
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// alpha: v1.22
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// beta: v1.26
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//
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// Enables apiserver and kubelet to allow up to 32 DNSSearchPaths and up to 2048 DNSSearchListChars.
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ExpandedDNSConfig featuregate.Feature = "ExpandedDNSConfig"
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// owner: @pweil-
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// alpha: v1.5
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// deprecated: v1.28
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//
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// This flag used to be needed for dockershim CRI and currently does nothing.
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ExperimentalHostUserNamespaceDefaultingGate featuregate.Feature = "ExperimentalHostUserNamespaceDefaulting"
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// owner: @yuzhiquan, @bowei, @PxyUp, @SergeyKanzhelev
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// kep: https://kep.k8s.io/2727
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// alpha: v1.23
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// beta: v1.24
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// stable: v1.27
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//
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// Enables GRPC probe method for {Liveness,Readiness,Startup}Probe.
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GRPCContainerProbe featuregate.Feature = "GRPCContainerProbe"
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// owner: @bobbypage
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// alpha: v1.20
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// beta: v1.21
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// Adds support for kubelet to detect node shutdown and gracefully terminate pods prior to the node being shutdown.
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GracefulNodeShutdown featuregate.Feature = "GracefulNodeShutdown"
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// owner: @wzshiming
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// alpha: v1.23
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// beta: v1.24
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// Make the kubelet use shutdown configuration based on pod priority values for graceful shutdown.
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GracefulNodeShutdownBasedOnPodPriority featuregate.Feature = "GracefulNodeShutdownBasedOnPodPriority"
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// owner: @arjunrn @mwielgus @josephburnett @sanposhiho
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// kep: https://kep.k8s.io/1610
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// alpha: v1.20
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// beta: v1.27
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//
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// Add support for the HPA to scale based on metrics from individual containers
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// in target pods
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HPAContainerMetrics featuregate.Feature = "HPAContainerMetrics"
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// owner: @dxist
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// alpha: v1.16
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//
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// Enables support of HPA scaling to zero pods when an object or custom metric is configured.
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HPAScaleToZero featuregate.Feature = "HPAScaleToZero"
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// owner: @deepakkinni @xing-yang
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// kep: https://kep.k8s.io/2680
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// alpha: v1.23
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//
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// Honor Persistent Volume Reclaim Policy when it is "Delete" irrespective of PV-PVC
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// deletion ordering.
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HonorPVReclaimPolicy featuregate.Feature = "HonorPVReclaimPolicy"
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// owner: @leakingtapan
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// alpha: v1.21
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//
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// Disables the AWS EBS in-tree driver.
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InTreePluginAWSUnregister featuregate.Feature = "InTreePluginAWSUnregister"
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// owner: @andyzhangx
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// alpha: v1.21
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//
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// Disables the Azure Disk in-tree driver.
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InTreePluginAzureDiskUnregister featuregate.Feature = "InTreePluginAzureDiskUnregister"
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// owner: @andyzhangx
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// alpha: v1.21
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//
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// Disables the Azure File in-tree driver.
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InTreePluginAzureFileUnregister featuregate.Feature = "InTreePluginAzureFileUnregister"
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// owner: @Jiawei0227
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// alpha: v1.21
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//
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// Disables the GCE PD in-tree driver.
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InTreePluginGCEUnregister featuregate.Feature = "InTreePluginGCEUnregister"
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// owner: @adisky
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// alpha: v1.21
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//
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// Disables the OpenStack Cinder in-tree driver.
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InTreePluginOpenStackUnregister featuregate.Feature = "InTreePluginOpenStackUnregister"
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// owner: @trierra
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// alpha: v1.23
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//
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// Disables the Portworx in-tree driver.
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InTreePluginPortworxUnregister featuregate.Feature = "InTreePluginPortworxUnregister"
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// owner: @humblec
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// alpha: v1.23
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//
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// Disables the RBD in-tree driver.
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InTreePluginRBDUnregister featuregate.Feature = "InTreePluginRBDUnregister"
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// owner: @divyenpatel
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// alpha: v1.21
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//
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// Disables the vSphere in-tree driver.
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InTreePluginvSphereUnregister featuregate.Feature = "InTreePluginvSphereUnregister"
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// owner: @danwinship
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// kep: https://kep.k8s.io/3178
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// alpha: v1.25
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// beta: v1.27
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//
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// Causes kubelet to no longer create legacy IPTables rules
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IPTablesOwnershipCleanup featuregate.Feature = "IPTablesOwnershipCleanup"
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// owner: @mimowo
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// kep: https://kep.k8s.io/3329
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// alpha: v1.25
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// beta: v1.26
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//
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// Allow users to specify handling of pod failures based on container exit codes
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// and pod conditions.
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JobPodFailurePolicy featuregate.Feature = "JobPodFailurePolicy"
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// owner: @ahg
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// beta: v1.23
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// stable: v1.27
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//
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// Allow updating node scheduling directives in the pod template of jobs. Specifically,
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// node affinity, selector and tolerations. This is allowed only for suspended jobs
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// that have never been unsuspended before.
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JobMutableNodeSchedulingDirectives featuregate.Feature = "JobMutableNodeSchedulingDirectives"
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// owner: @alculquicondor
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// alpha: v1.23
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// beta: v1.24
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//
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// Track the number of pods with Ready condition in the Job status.
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JobReadyPods featuregate.Feature = "JobReadyPods"
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// owner: @alculquicondor
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// alpha: v1.22
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// beta: v1.23
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// stable: v1.26
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//
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// Track Job completion without relying on Pod remaining in the cluster
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// indefinitely. Pod finalizers, in addition to a field in the Job status
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// allow the Job controller to keep track of Pods that it didn't account for
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// yet.
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JobTrackingWithFinalizers featuregate.Feature = "JobTrackingWithFinalizers"
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// owner: @AkihiroSuda
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// alpha: v1.22
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//
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// Enables support for running kubelet in a user namespace.
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// The user namespace has to be created before running kubelet.
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// All the node components such as CRI need to be running in the same user namespace.
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KubeletInUserNamespace featuregate.Feature = "KubeletInUserNamespace"
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// owner: @dashpole, @ffromani (only for GA graduation)
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// alpha: v1.13
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// beta: v1.15
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// GA: v1.28
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//
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// Enables the kubelet's pod resources grpc endpoint
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KubeletPodResources featuregate.Feature = "KubeletPodResources"
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// owner: @moshe010
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// alpha: v1.27
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//
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// Enable POD resources API to return resources allocated by Dynamic Resource Allocation
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KubeletPodResourcesDynamicResources featuregate.Feature = "KubeletPodResourcesDynamicResources"
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// owner: @moshe010
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// alpha: v1.27
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//
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// Enable POD resources API with Get method
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KubeletPodResourcesGet featuregate.Feature = "KubeletPodResourcesGet"
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// owner: @fromanirh
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// alpha: v1.21
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// beta: v1.23
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// Enable POD resources API to return allocatable resources
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KubeletPodResourcesGetAllocatable featuregate.Feature = "KubeletPodResourcesGetAllocatable"
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// owner: @sallyom
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// kep: https://kep.k8s.io/2832
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// alpha: v1.25
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// beta: v1.27
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//
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// Add support for distributed tracing in the kubelet
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KubeletTracing featuregate.Feature = "KubeletTracing"
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// owner: @zshihang
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// kep: https://kep.k8s.io/2800
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// beta: v1.24
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// ga: v1.26
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//
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// Stop auto-generation of secret-based service account tokens.
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LegacyServiceAccountTokenNoAutoGeneration featuregate.Feature = "LegacyServiceAccountTokenNoAutoGeneration"
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// owner: @zshihang
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// kep: http://kep.k8s.io/2800
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// alpha: v1.26
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// beta: v1.27
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//
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// Enables tracking of secret-based service account tokens usage.
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LegacyServiceAccountTokenTracking featuregate.Feature = "LegacyServiceAccountTokenTracking"
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// owner: @yt2985
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// kep: http://kep.k8s.io/2800
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// alpha: v1.28
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//
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// Enables cleaning up of secret-based service account tokens.
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LegacyServiceAccountTokenCleanUp featuregate.Feature = "LegacyServiceAccountTokenCleanUp"
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// owner: @RobertKrawitz
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// alpha: v1.15
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//
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// Allow use of filesystems for ephemeral storage monitoring.
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// Only applies if LocalStorageCapacityIsolation is set.
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LocalStorageCapacityIsolationFSQuotaMonitoring featuregate.Feature = "LocalStorageCapacityIsolationFSQuotaMonitoring"
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|
|
// 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
|
|
//
|
|
// Allow pods to failover to a different node in case of non graceful node shutdown
|
|
NodeOutOfServiceVolumeDetach featuregate.Feature = "NodeOutOfServiceVolumeDetach"
|
|
|
|
// owner: @ehashman
|
|
// alpha: v1.22
|
|
//
|
|
// 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: @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: @ddebroy
|
|
// alpha: v1.25
|
|
//
|
|
// Enables reporting of PodHasNetwork condition in pod status after pod
|
|
// sandbox creation and network configuration completes successfully
|
|
PodHasNetworkCondition featuregate.Feature = "PodHasNetworkCondition"
|
|
|
|
// 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: @ehashman
|
|
// alpha: v1.21
|
|
// beta: v1.22
|
|
//
|
|
// 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
|
|
//
|
|
// 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: @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
|
|
//
|
|
// Subdivide the NodePort range for dynamic and static port allocation.
|
|
ServiceNodePortStaticSubrange featuregate.Feature = "ServiceNodePortStaticSubrange"
|
|
|
|
// 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: @rata, @giuseppe
|
|
// kep: https://kep.k8s.io/127
|
|
// alpha: v1.25
|
|
//
|
|
// Enables user namespace support for stateless pods.
|
|
UserNamespacesStatelessPodsSupport featuregate.Feature = "UserNamespacesStatelessPodsSupport"
|
|
|
|
// 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"
|
|
)
|
|
|
|
func init() {
|
|
runtime.Must(utilfeature.DefaultMutableFeatureGate.Add(defaultKubernetesFeatureGates))
|
|
}
|
|
|
|
// defaultKubernetesFeatureGates consists of all known Kubernetes-specific feature keys.
|
|
// To add a new feature, define a key for it above and add it here. The features will be
|
|
// available throughout Kubernetes binaries.
|
|
//
|
|
// Entries are separated from each other with blank lines to avoid sweeping gofmt changes
|
|
// when adding or removing one entry.
|
|
var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
|
|
CrossNamespaceVolumeDataSource: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
AnyVolumeDataSource: {Default: true, PreRelease: featuregate.Beta}, // on by default in 1.24
|
|
|
|
APISelfSubjectReview: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // GA in 1.28; remove in 1.30
|
|
|
|
AppArmor: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
CloudDualStackNodeIPs: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
ClusterTrustBundle: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
CPUCFSQuotaPeriod: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
CPUManager: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // GA in 1.26
|
|
|
|
CPUManagerPolicyAlphaOptions: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
CPUManagerPolicyBetaOptions: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
CPUManagerPolicyOptions: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
CSIMigrationGCE: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.27
|
|
|
|
CSIMigrationPortworx: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires Portworx CSI driver)
|
|
|
|
CSIMigrationRBD: {Default: false, PreRelease: featuregate.Alpha}, // Off by default (requires RBD CSI driver)
|
|
|
|
CSIMigrationvSphere: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
CSINodeExpandSecret: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
CSIVolumeHealth: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
SkipReadOnlyValidationGCE: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
CloudControllerManagerWebhook: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
ContainerCheckpoint: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
ConsistentHTTPGetHandlers: {Default: true, PreRelease: featuregate.GA},
|
|
|
|
CronJobTimeZone: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
DefaultHostNetworkHostPortsInPodTemplates: {Default: false, PreRelease: featuregate.Deprecated},
|
|
|
|
DisableCloudProviders: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
DisableKubeletCloudCredentialProviders: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
DownwardAPIHugePages: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in v1.29
|
|
|
|
DynamicResourceAllocation: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
EventedPLEG: {Default: false, PreRelease: featuregate.Beta}, // off by default, requires CRI Runtime support
|
|
|
|
ExecProbeTimeout: {Default: true, PreRelease: featuregate.GA}, // lock to default and remove after v1.22 based on KEP #1972 update
|
|
|
|
ExpandedDNSConfig: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
ExperimentalHostUserNamespaceDefaultingGate: {Default: false, PreRelease: featuregate.Deprecated, LockToDefault: true}, // remove in 1.30
|
|
|
|
GRPCContainerProbe: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, //remove in 1.29
|
|
|
|
GracefulNodeShutdown: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
GracefulNodeShutdownBasedOnPodPriority: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
HPAContainerMetrics: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
HonorPVReclaimPolicy: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginAWSUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginAzureDiskUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginAzureFileUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginGCEUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginOpenStackUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginPortworxUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginRBDUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
InTreePluginvSphereUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
IPTablesOwnershipCleanup: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
JobPodFailurePolicy: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
JobMutableNodeSchedulingDirectives: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
JobReadyPods: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
JobTrackingWithFinalizers: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.28
|
|
|
|
KubeletInUserNamespace: {Default: false, PreRelease: featuregate.Alpha},
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KubeletPodResources: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // GA in 1.28, remove in 1.30
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KubeletPodResourcesDynamicResources: {Default: false, PreRelease: featuregate.Alpha},
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KubeletPodResourcesGet: {Default: false, PreRelease: featuregate.Alpha},
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KubeletPodResourcesGetAllocatable: {Default: true, PreRelease: featuregate.Beta},
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KubeletTracing: {Default: true, PreRelease: featuregate.Beta},
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LegacyServiceAccountTokenNoAutoGeneration: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
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LegacyServiceAccountTokenTracking: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.30
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LegacyServiceAccountTokenCleanUp: {Default: false, PreRelease: featuregate.Alpha},
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LocalStorageCapacityIsolationFSQuotaMonitoring: {Default: false, PreRelease: featuregate.Alpha},
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LogarithmicScaleDown: {Default: true, PreRelease: featuregate.Beta},
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MatchLabelKeysInPodTopologySpread: {Default: true, PreRelease: featuregate.Beta},
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MaxUnavailableStatefulSet: {Default: false, PreRelease: featuregate.Alpha},
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MemoryManager: {Default: true, PreRelease: featuregate.Beta},
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MemoryQoS: {Default: false, PreRelease: featuregate.Alpha},
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MinDomainsInPodTopologySpread: {Default: true, PreRelease: featuregate.Beta},
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MinimizeIPTablesRestore: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.30
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MultiCIDRRangeAllocator: {Default: false, PreRelease: featuregate.Alpha},
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MultiCIDRServiceAllocator: {Default: false, PreRelease: featuregate.Alpha},
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NewVolumeManagerReconstruction: {Default: false, PreRelease: featuregate.Beta}, // disabled for https://github.com/kubernetes/kubernetes/issues/117745
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NodeLogQuery: {Default: false, PreRelease: featuregate.Alpha},
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NodeOutOfServiceVolumeDetach: {Default: true, PreRelease: featuregate.Beta},
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NodeSwap: {Default: false, PreRelease: featuregate.Alpha},
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PDBUnhealthyPodEvictionPolicy: {Default: true, PreRelease: featuregate.Beta},
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PodAndContainerStatsFromCRI: {Default: false, PreRelease: featuregate.Alpha},
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PodDeletionCost: {Default: true, PreRelease: featuregate.Beta},
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PodDisruptionConditions: {Default: true, PreRelease: featuregate.Beta},
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PodHasNetworkCondition: {Default: false, PreRelease: featuregate.Alpha},
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PodSchedulingReadiness: {Default: true, PreRelease: featuregate.Beta},
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ProbeTerminationGracePeriod: {Default: true, PreRelease: featuregate.Beta}, // Default to true in beta 1.25
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ProcMountType: {Default: false, PreRelease: featuregate.Alpha},
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ProxyTerminatingEndpoints: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.30
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QOSReserved: {Default: false, PreRelease: featuregate.Alpha},
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ReadWriteOncePod: {Default: true, PreRelease: featuregate.Beta},
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RecoverVolumeExpansionFailure: {Default: false, PreRelease: featuregate.Alpha},
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|
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RetroactiveDefaultStorageClass: {Default: true, PreRelease: featuregate.Beta},
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|
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RotateKubeletServerCertificate: {Default: true, PreRelease: featuregate.Beta},
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|
|
ElasticIndexedJob: {Default: true, PreRelease: featuregate.Beta},
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|
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SeccompDefault: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
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SecurityContextDeny: {Default: false, PreRelease: featuregate.Alpha},
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|
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ServiceNodePortStaticSubrange: {Default: false, PreRelease: featuregate.Alpha},
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|
|
SizeMemoryBackedVolumes: {Default: true, PreRelease: featuregate.Beta},
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|
|
StableLoadBalancerNodeSet: {Default: true, PreRelease: featuregate.Beta},
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|
|
|
StatefulSetAutoDeletePVC: {Default: true, PreRelease: featuregate.Beta},
|
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|
|
StatefulSetStartOrdinal: {Default: true, PreRelease: featuregate.Beta},
|
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|
|
TopologyAwareHints: {Default: true, PreRelease: featuregate.Beta},
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|
|
TopologyManager: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // GA in 1.27; remove in 1.29
|
|
|
|
TopologyManagerPolicyAlphaOptions: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
TopologyManagerPolicyBetaOptions: {Default: false, PreRelease: featuregate.Beta},
|
|
|
|
TopologyManagerPolicyOptions: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
VolumeCapacityPriority: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
UserNamespacesStatelessPodsSupport: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
WinDSR: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
WinOverlay: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
WindowsHostNetwork: {Default: true, PreRelease: featuregate.Alpha},
|
|
|
|
NodeInclusionPolicyInPodTopologySpread: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
SELinuxMountReadWriteOncePod: {Default: false, PreRelease: featuregate.Beta}, // disabled for https://github.com/kubernetes/kubernetes/issues/117745
|
|
|
|
InPlacePodVerticalScaling: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
// inherited features from generic apiserver, relisted here to get a conflict if it is changed
|
|
// unintentionally on either side:
|
|
|
|
genericfeatures.AdmissionWebhookMatchConditions: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
genericfeatures.AggregatedDiscoveryEndpoint: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.APIListChunking: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.APIPriorityAndFairness: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.APIResponseCompression: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.AdvancedAuditing: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.28
|
|
|
|
genericfeatures.ValidatingAdmissionPolicy: {Default: false, PreRelease: featuregate.Alpha},
|
|
|
|
genericfeatures.CustomResourceValidationExpressions: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.OpenAPIEnums: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
genericfeatures.OpenAPIV3: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
genericfeatures.ServerSideApply: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
genericfeatures.ServerSideFieldValidation: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.29
|
|
|
|
// features that enable backwards compatibility but are scheduled to be removed
|
|
// ...
|
|
HPAScaleToZero: {Default: false, PreRelease: featuregate.Alpha},
|
|
}
|