mirror of
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891 lines
35 KiB
Go
891 lines
35 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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// // alpha: v1.X
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// MyFeature featuregate.Feature = "MyFeature"
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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: @mtaufen
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// alpha: v1.4
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// beta: v1.11
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DynamicKubeletConfig featuregate.Feature = "DynamicKubeletConfig"
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// owner: @pweil-
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// alpha: v1.5
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//
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// Default userns=host for containers that are using other host namespaces, host mounts, the pod
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// contains a privileged container, or specific non-namespaced capabilities (MKNOD, SYS_MODULE,
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// SYS_TIME). This should only be enabled if user namespace remapping is enabled in the docker daemon.
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ExperimentalHostUserNamespaceDefaultingGate featuregate.Feature = "ExperimentalHostUserNamespaceDefaulting"
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// owner: @jiayingz
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// beta: v1.10
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//
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// Enables support for Device Plugins
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DevicePlugins featuregate.Feature = "DevicePlugins"
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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: @mikedanese
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// alpha: v1.7
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// beta: v1.12
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//
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// Gets a server certificate for the kubelet from the Certificate Signing
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// Request API instead of generating one self signed and auto rotates the
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// certificate as expiration approaches.
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RotateKubeletServerCertificate featuregate.Feature = "RotateKubeletServerCertificate"
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// owner: @jinxu
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// beta: v1.10
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//
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// New local storage types to support local storage capacity isolation
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LocalStorageCapacityIsolation featuregate.Feature = "LocalStorageCapacityIsolation"
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// owner: @gnufied
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// beta: v1.11
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// Ability to Expand persistent volumes
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ExpandPersistentVolumes featuregate.Feature = "ExpandPersistentVolumes"
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// owner: @mlmhl
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// beta: v1.15
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// Ability to expand persistent volumes' file system without unmounting volumes.
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ExpandInUsePersistentVolumes featuregate.Feature = "ExpandInUsePersistentVolumes"
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// owner: @gnufied
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// alpha: v1.14
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// beta: v1.16
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// Ability to expand CSI volumes
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ExpandCSIVolumes featuregate.Feature = "ExpandCSIVolumes"
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// owner: @verb
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// alpha: v1.16
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//
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// Allows running an ephemeral container in pod namespaces to troubleshoot a running pod.
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EphemeralContainers featuregate.Feature = "EphemeralContainers"
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// owner: @sjenning
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// alpha: v1.11
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//
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// Allows resource reservations at the QoS level preventing pods at lower QoS levels from
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// bursting into resources requested at higher QoS levels (memory only for now)
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QOSReserved featuregate.Feature = "QOSReserved"
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// owner: @ConnorDoyle
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// alpha: v1.8
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// beta: v1.10
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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: @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: @lmdaly
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// alpha: v1.16
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// beta: v1.18
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//
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// Enable resource managers to make NUMA aligned decisions
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TopologyManager featuregate.Feature = "TopologyManager"
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// owner: @cynepco3hahue(alukiano) @cezaryzukowski @k-wiatrzyk
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// alpha:: v1.20
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// Allows setting memory affinity for a container based on NUMA topology
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MemoryManager featuregate.Feature = "MemoryManager"
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// owner: @sjenning
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// alpha: v1.4
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// beta: v1.11
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// ga: v1.21
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//
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// Enable pods to set sysctls on a pod
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Sysctls featuregate.Feature = "Sysctls"
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// owner @smarterclayton
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// alpha: v1.16
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// beta: v1.19
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// ga: v1.21
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//
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// Enable legacy behavior to vary cluster functionality on the node-role.kubernetes.io labels. On by default (legacy), will be turned off in 1.18.
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// Lock to false in v1.21 and remove in v1.22.
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LegacyNodeRoleBehavior featuregate.Feature = "LegacyNodeRoleBehavior"
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// owner @brendandburns
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// alpha: v1.9
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// beta: v1.19
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// ga: v1.21
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//
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// Enable nodes to exclude themselves from service load balancers
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ServiceNodeExclusion featuregate.Feature = "ServiceNodeExclusion"
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// owner @smarterclayton
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// alpha: v1.16
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// beta: v1.19
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// ga: v1.21
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//
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// Enable nodes to exclude themselves from network disruption checks
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NodeDisruptionExclusion featuregate.Feature = "NodeDisruptionExclusion"
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// owner: @pospispa
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// GA: v1.11
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//
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// Postpone deletion of a PV or a PVC when they are being used
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StorageObjectInUseProtection featuregate.Feature = "StorageObjectInUseProtection"
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// owner: @dims, @derekwaynecarr
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// alpha: v1.10
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// beta: v1.14
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// GA: v1.20
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//
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// Implement support for limiting pids in pods
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SupportPodPidsLimit featuregate.Feature = "SupportPodPidsLimit"
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// owner: @mikedanese
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// alpha: v1.13
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// beta: v1.21
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//
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// Migrate ServiceAccount volumes to use a projected volume consisting of a
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// ServiceAccountTokenVolumeProjection. This feature adds new required flags
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// to the API server.
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BoundServiceAccountTokenVolume featuregate.Feature = "BoundServiceAccountTokenVolume"
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// owner: @mtaufen
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// alpha: v1.18
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// beta: v1.20
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// stable: v1.21
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//
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// Enable OIDC discovery endpoints (issuer and JWKS URLs) for the service
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// account issuer in the API server.
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// Note these endpoints serve minimally-compliant discovery docs that are
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// intended to be used for service account token verification.
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ServiceAccountIssuerDiscovery featuregate.Feature = "ServiceAccountIssuerDiscovery"
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// owner: @Random-Liu
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// beta: v1.11
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// ga: v1.21
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//
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// Enable container log rotation for cri container runtime
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CRIContainerLogRotation featuregate.Feature = "CRIContainerLogRotation"
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// owner: @krmayankk
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// beta: v1.14
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// ga: v1.21
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//
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// Enables control over the primary group ID of containers' init processes.
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RunAsGroup featuregate.Feature = "RunAsGroup"
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// owner: @saad-ali
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// ga: v1.10
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//
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// Allow mounting a subpath of a volume in a container
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// Do not remove this feature gate even though it's GA
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VolumeSubpath featuregate.Feature = "VolumeSubpath"
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// owner: @ravig
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// alpha: v1.11
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//
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// Include volume count on node to be considered for balanced resource allocation while scheduling.
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// A node which has closer cpu,memory utilization and volume count is favoured by scheduler
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// while making decisions.
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BalanceAttachedNodeVolumes featuregate.Feature = "BalanceAttachedNodeVolumes"
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// owner: @pohly
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// alpha: v1.14
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// beta: v1.16
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//
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// Enables CSI Inline volumes support for pods
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CSIInlineVolume featuregate.Feature = "CSIInlineVolume"
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// owner: @pohly
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// alpha: v1.19
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// beta: v1.21
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//
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// Enables tracking of available storage capacity that CSI drivers provide.
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CSIStorageCapacity featuregate.Feature = "CSIStorageCapacity"
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// owner: @alculquicondor
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// beta: v1.20
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//
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// Enables the use of PodTopologySpread scheduling plugin to do default
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// spreading and disables legacy SelectorSpread plugin.
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DefaultPodTopologySpread featuregate.Feature = "DefaultPodTopologySpread"
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// owner: @pohly
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// alpha: v1.19
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// beta: v1.21
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//
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// Enables generic ephemeral inline volume support for pods
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GenericEphemeralVolume featuregate.Feature = "GenericEphemeralVolume"
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// owner: @chendave
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// alpha: v1.21
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//
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// PreferNominatedNode tells scheduler whether the nominated node will be checked first before looping
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// all the rest of nodes in the cluster.
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// Enabling this feature also implies the preemptor pod might not be dispatched to the best candidate in
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// some corner case, e.g. another node releases enough resources after the nominated node has been set
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// and hence is the best candidate instead.
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PreferNominatedNode featuregate.Feature = "PreferNominatedNode"
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// owner: @tallclair
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// alpha: v1.12
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// beta: v1.14
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// GA: v1.20
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//
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// Enables RuntimeClass, for selecting between multiple runtimes to run a pod.
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RuntimeClass featuregate.Feature = "RuntimeClass"
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// owner: @mtaufen
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// alpha: v1.12
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// beta: v1.14
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// GA: v1.17
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//
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// Kubelet uses the new Lease API to report node heartbeats,
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// (Kube) Node Lifecycle Controller uses these heartbeats as a node health signal.
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NodeLease featuregate.Feature = "NodeLease"
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// owner: @janosi
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// alpha: v1.12
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// beta: v1.19
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// GA: v1.20
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//
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// Enables SCTP as new protocol for Service ports, NetworkPolicy, and ContainerPort in Pod/Containers definition
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SCTPSupport featuregate.Feature = "SCTPSupport"
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// owner: @rikatz
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// alpha: v1.21
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//
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// Enables the endPort field in NetworkPolicy to enable a Port Range behavior in Network Policies.
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NetworkPolicyEndPort featuregate.Feature = "NetworkPolicyEndPort"
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// owner: @xing-yang
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// alpha: v1.12
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// beta: v1.17
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// GA: v1.20
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//
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// Enable volume snapshot data source support.
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VolumeSnapshotDataSource featuregate.Feature = "VolumeSnapshotDataSource"
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// owner: @jessfraz
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// alpha: v1.12
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//
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// Enables control over ProcMountType for containers.
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ProcMountType featuregate.Feature = "ProcMountType"
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// owner: @janetkuo
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// alpha: v1.12
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//
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// Allow TTL controller to clean up Pods and Jobs after they finish.
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TTLAfterFinished featuregate.Feature = "TTLAfterFinished"
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// owner: @alculquicondor
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// alpha: v1.21
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//
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// Allows Job controller to manage Pod completions per completion index.
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IndexedJob featuregate.Feature = "IndexedJob"
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// owner: @dashpole
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// alpha: v1.13
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// beta: v1.15
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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: @davidz627
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// alpha: v1.14
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// beta: v1.17
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//
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// Enables the in-tree storage to CSI Plugin migration feature.
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CSIMigration featuregate.Feature = "CSIMigration"
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// owner: @davidz627
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// alpha: v1.14
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// beta: v1.17
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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: @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: @leakingtapan
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// alpha: v1.14
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// beta: v1.17
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//
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// Enables the AWS EBS in-tree driver to AWS EBS CSI Driver migration feature.
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CSIMigrationAWS featuregate.Feature = "CSIMigrationAWS"
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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: v1.15
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// beta: v1.19
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//
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// Enables the Azure Disk in-tree driver to Azure Disk Driver migration feature.
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CSIMigrationAzureDisk featuregate.Feature = "CSIMigrationAzureDisk"
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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: v1.15
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// beta: v1.21
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//
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// Enables the Azure File in-tree driver to Azure File Driver migration feature.
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CSIMigrationAzureFile featuregate.Feature = "CSIMigrationAzureFile"
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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: @divyenpatel
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// beta: v1.19 (requires: vSphere vCenter/ESXi Version: 7.0u1, HW Version: VM version 15)
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//
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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: @divyenpatel
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// beta: v1.19 (requires: vSphere vCenter/ESXi Version: 7.0u1, HW Version: VM version 15)
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//
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// Disables the vSphere in-tree driver.
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// Expects vSphere CSI Driver to be installed and configured on all nodes.
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CSIMigrationvSphereComplete featuregate.Feature = "CSIMigrationvSphereComplete"
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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: @adisky
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// alpha: v1.14
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// beta: v1.18
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//
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// Enables the OpenStack Cinder in-tree driver to OpenStack Cinder CSI Driver migration feature.
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CSIMigrationOpenStack featuregate.Feature = "CSIMigrationOpenStack"
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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: @huffmanca
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// alpha: v1.19
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// beta: v1.20
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//
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// Determines if a CSI Driver supports applying fsGroup.
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CSIVolumeFSGroupPolicy featuregate.Feature = "CSIVolumeFSGroupPolicy"
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// owner: @gnufied
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// alpha: v1.18
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// beta: v1.20
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// Allows user to configure volume permission change policy for fsGroups when mounting
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// a volume in a Pod.
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ConfigurableFSGroupPolicy featuregate.Feature = "ConfigurableFSGroupPolicy"
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// owner: @RobertKrawitz, @derekwaynecarr
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// beta: v1.15
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// GA: v1.20
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//
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// Implement support for limiting pids in nodes
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SupportNodePidsLimit featuregate.Feature = "SupportNodePidsLimit"
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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: @denkensk
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// alpha: v1.15
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// beta: v1.19
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//
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// Enables NonPreempting option for priorityClass and pod.
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NonPreemptingPriority featuregate.Feature = "NonPreemptingPriority"
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// owner: @egernst
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// alpha: v1.16
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// beta: v1.18
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//
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// Enables PodOverhead, for accounting pod overheads which are specific to a given RuntimeClass
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PodOverhead featuregate.Feature = "PodOverhead"
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// owner: @khenidak
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// alpha: v1.15
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// beta: v1.21
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//
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// Enables ipv6 dual stack
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IPv6DualStack featuregate.Feature = "IPv6DualStack"
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// owner: @robscott @freehan
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// alpha: v1.16
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// beta: v1.18
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// ga: v1.21
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//
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// Enable Endpoint Slices for more scalable Service endpoints.
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EndpointSlice featuregate.Feature = "EndpointSlice"
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// owner: @robscott @freehan
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// alpha: v1.18
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// beta: v1.19
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//
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// Enable Endpoint Slice consumption by kube-proxy for improved scalability.
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EndpointSliceProxying featuregate.Feature = "EndpointSliceProxying"
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// owner: @robscott @kumarvin123
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// alpha: v1.19
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// beta: v1.21
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//
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// Enable Endpoint Slice consumption by kube-proxy in Windows for improved scalability.
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WindowsEndpointSliceProxying featuregate.Feature = "WindowsEndpointSliceProxying"
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// owner: @matthyx
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// alpha: v1.16
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// beta: v1.18
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// GA: v1.20
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//
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// Enables the startupProbe in kubelet worker.
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StartupProbe featuregate.Feature = "StartupProbe"
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// owner: @deads2k
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// beta: v1.17
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// GA: v1.21
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//
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// Enables the users to skip TLS verification of kubelets on pod logs requests
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AllowInsecureBackendProxy featuregate.Feature = "AllowInsecureBackendProxy"
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// owner: @mortent
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// alpha: v1.3
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// beta: v1.5
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//
|
|
// Enable all logic related to the PodDisruptionBudget API object in policy
|
|
PodDisruptionBudget featuregate.Feature = "PodDisruptionBudget"
|
|
|
|
// owner: @alaypatel07, @soltysh
|
|
// alpha: v1.20
|
|
// beta: v1.21
|
|
//
|
|
// CronJobControllerV2 controls whether the controller manager starts old cronjob
|
|
// controller or new one which is implemented with informers and delaying queue
|
|
//
|
|
// This feature is deprecated, and will be removed in v1.22.
|
|
CronJobControllerV2 featuregate.Feature = "CronJobControllerV2"
|
|
|
|
// owner: @smarterclayton
|
|
// alpha: v1.21
|
|
//
|
|
// DaemonSets allow workloads to maintain availability during update per node
|
|
DaemonSetUpdateSurge featuregate.Feature = "DaemonSetUpdateSurge"
|
|
|
|
// owner: @m1093782566
|
|
// alpha: v1.17
|
|
//
|
|
// Enables topology aware service routing
|
|
ServiceTopology featuregate.Feature = "ServiceTopology"
|
|
|
|
// owner: @robscott
|
|
// alpha: v1.18
|
|
// beta: v1.19
|
|
// ga: v1.20
|
|
//
|
|
// Enables AppProtocol field for Services and Endpoints.
|
|
ServiceAppProtocol featuregate.Feature = "ServiceAppProtocol"
|
|
|
|
// owner: @wojtek-t
|
|
// alpha: v1.18
|
|
// beta: v1.19
|
|
// ga: v1.21
|
|
//
|
|
// Enables a feature to make secrets and configmaps data immutable.
|
|
ImmutableEphemeralVolumes featuregate.Feature = "ImmutableEphemeralVolumes"
|
|
|
|
// owner: @bart0sh
|
|
// alpha: v1.18
|
|
// beta: v1.19
|
|
//
|
|
// Enables usage of HugePages-<size> in a volume medium,
|
|
// e.g. emptyDir:
|
|
// medium: HugePages-1Gi
|
|
HugePageStorageMediumSize featuregate.Feature = "HugePageStorageMediumSize"
|
|
|
|
// owner: @derekwaynecarr
|
|
// alpha: v1.20
|
|
// beta: v1.21 (off by default until 1.22)
|
|
//
|
|
// Enables usage of hugepages-<size> in downward API.
|
|
DownwardAPIHugePages featuregate.Feature = "DownwardAPIHugePages"
|
|
|
|
// owner: @freehan
|
|
// GA: v1.18
|
|
//
|
|
// Enable ExternalTrafficPolicy for Service ExternalIPs.
|
|
// This is for bug fix #69811
|
|
ExternalPolicyForExternalIP featuregate.Feature = "ExternalPolicyForExternalIP"
|
|
|
|
// owner: @bswartz
|
|
// alpha: v1.18
|
|
//
|
|
// Enables usage of any object for volume data source in PVCs
|
|
AnyVolumeDataSource featuregate.Feature = "AnyVolumeDataSource"
|
|
|
|
// owner: @javidiaz
|
|
// alpha: v1.19
|
|
// beta: v1.20
|
|
//
|
|
// Allow setting the Fully Qualified Domain Name (FQDN) in the hostname of a Pod. If a Pod does not
|
|
// have FQDN, this feature has no effect.
|
|
SetHostnameAsFQDN featuregate.Feature = "SetHostnameAsFQDN"
|
|
|
|
// owner: @ksubrmnn
|
|
// alpha: v1.14
|
|
// beta: v1.20
|
|
//
|
|
// Allows kube-proxy to run in Overlay mode for Windows
|
|
WinOverlay featuregate.Feature = "WinOverlay"
|
|
|
|
// owner: @ksubrmnn
|
|
// alpha: v1.14
|
|
//
|
|
// Allows kube-proxy to create DSR loadbalancers for Windows
|
|
WinDSR featuregate.Feature = "WinDSR"
|
|
|
|
// owner: @RenaudWasTaken @dashpole
|
|
// alpha: v1.19
|
|
// beta: v1.20
|
|
//
|
|
// Disables Accelerator Metrics Collected by Kubelet
|
|
DisableAcceleratorUsageMetrics featuregate.Feature = "DisableAcceleratorUsageMetrics"
|
|
|
|
// owner: @arjunrn @mwielgus @josephburnett
|
|
// alpha: v1.20
|
|
//
|
|
// Add support for the HPA to scale based on metrics from individual containers
|
|
// in target pods
|
|
HPAContainerMetrics featuregate.Feature = "HPAContainerMetrics"
|
|
|
|
// owner: @zshihang
|
|
// alpha: v1.13
|
|
// beta: v1.20
|
|
// ga: v1.21
|
|
//
|
|
// Allows kube-controller-manager to publish kube-root-ca.crt configmap to
|
|
// every namespace. This feature is a prerequisite of BoundServiceAccountTokenVolume.
|
|
RootCAConfigMap featuregate.Feature = "RootCAConfigMap"
|
|
|
|
// owner: @andrewsykim
|
|
// alpha: v1.20
|
|
//
|
|
// Enable Terminating condition in Endpoint Slices.
|
|
EndpointSliceTerminatingCondition featuregate.Feature = "EndpointSliceTerminatingCondition"
|
|
|
|
// owner: @robscott
|
|
// alpha: v1.20
|
|
//
|
|
// Enable NodeName field on Endpoint Slices.
|
|
EndpointSliceNodeName featuregate.Feature = "EndpointSliceNodeName"
|
|
|
|
// owner: @derekwaynecarr
|
|
// alpha: v1.20
|
|
// beta: v1.22
|
|
//
|
|
// Enables kubelet support to size memory backed volumes
|
|
SizeMemoryBackedVolumes featuregate.Feature = "SizeMemoryBackedVolumes"
|
|
|
|
// owner: @andrewsykim @SergeyKanzhelev
|
|
// GA: v1.20
|
|
//
|
|
// Ensure kubelet respects exec probe timeouts. Feature gate exists in-case existing workloads
|
|
// may depend on old behavior where exec probe timeouts were ignored.
|
|
// Lock to default and remove after v1.22 based on user feedback that should be reflected in KEP #1972 update
|
|
ExecProbeTimeout featuregate.Feature = "ExecProbeTimeout"
|
|
|
|
// owner: @andrewsykim
|
|
// alpha: v1.20
|
|
//
|
|
// Enable kubelet exec plugins for image pull credentials.
|
|
KubeletCredentialProviders featuregate.Feature = "KubeletCredentialProviders"
|
|
|
|
// owner: @zshihang
|
|
// alpha: v1.20
|
|
// beta: v1.21
|
|
//
|
|
// Enable kubelet to pass pod's service account token to NodePublishVolume
|
|
// call of CSI driver which is mounting volumes for that pod.
|
|
CSIServiceAccountToken featuregate.Feature = "CSIServiceAccountToken"
|
|
|
|
// owner: @bobbypage
|
|
// alpha: v1.20
|
|
// beta: v1.21
|
|
// Adds support for kubelet to detect node shutdown and gracefully terminate pods prior to the node being shutdown.
|
|
GracefulNodeShutdown featuregate.Feature = "GracefulNodeShutdown"
|
|
|
|
// owner: @andrewsykim @uablrek
|
|
// alpha: v1.20
|
|
//
|
|
// Allows control if NodePorts shall be created for services with "type: LoadBalancer" by defining the spec.AllocateLoadBalancerNodePorts field (bool)
|
|
ServiceLBNodePortControl featuregate.Feature = "ServiceLBNodePortControl"
|
|
|
|
// owner: @janosi
|
|
// alpha: v1.20
|
|
//
|
|
// Enables the usage of different protocols in the same Service with type=LoadBalancer
|
|
MixedProtocolLBService featuregate.Feature = "MixedProtocolLBService"
|
|
|
|
// owner: @cofyc
|
|
// alpha: v1.21
|
|
VolumeCapacityPriority featuregate.Feature = "VolumeCapacityPriority"
|
|
|
|
// owner: @ahg-g
|
|
// alpha: v1.21
|
|
// beta: v1.22
|
|
//
|
|
// Enables controlling pod ranking on replicaset scale-down.
|
|
PodDeletionCost featuregate.Feature = "PodDeletionCost"
|
|
|
|
// owner: @robscott
|
|
// alpha: v1.21
|
|
//
|
|
// Enables topology aware hints for EndpointSlices
|
|
TopologyAwareHints featuregate.Feature = "TopologyAwareHints"
|
|
|
|
// owner: @ehashman
|
|
// alpha: v1.21
|
|
//
|
|
// Allows user to override pod-level terminationGracePeriod for probes
|
|
ProbeTerminationGracePeriod featuregate.Feature = "ProbeTerminationGracePeriod"
|
|
|
|
// owner: @ahg-g
|
|
// alpha: v1.21
|
|
//
|
|
// Allow specifying NamespaceSelector in PodAffinityTerm.
|
|
PodAffinityNamespaceSelector featuregate.Feature = "PodAffinityNamespaceSelector"
|
|
|
|
// owner: @andrewsykim @xudongliuharold
|
|
// alpha: v1.21
|
|
//
|
|
// Enable support multiple Service "type: LoadBalancer" implementations in a cluster by specifying LoadBalancerClass
|
|
ServiceLoadBalancerClass featuregate.Feature = "ServiceLoadBalancerClass"
|
|
|
|
// owner: @damemi
|
|
// aplpha: v1.21
|
|
//
|
|
// Enables scaling down replicas via logarithmic comparison of creation/ready timestamps
|
|
LogarithmicScaleDown featuregate.Feature = "LogarithmicScaleDown"
|
|
|
|
// owner: @hbagdi
|
|
// alpha: v1.21
|
|
//
|
|
// Enable Scope and Namespace fields on IngressClassParametersReference.
|
|
IngressClassNamespacedParams featuregate.Feature = "IngressClassNamespacedParams"
|
|
|
|
// owner: @maplain @andrewsykim
|
|
// alpha: v1.21
|
|
//
|
|
// Enables node-local routing for Service internal traffic
|
|
ServiceInternalTrafficPolicy featuregate.Feature = "ServiceInternalTrafficPolicy"
|
|
|
|
// owner: @adtac
|
|
// alpha: v1.21
|
|
//
|
|
// Allows jobs to be created in the suspended state.
|
|
SuspendJob featuregate.Feature = "SuspendJob"
|
|
|
|
// owner: @fromanirh
|
|
// alpha: v1.21
|
|
//
|
|
// Enable POD resources API to return allocatable resources
|
|
KubeletPodResourcesGetAllocatable featuregate.Feature = "KubeletPodResourcesGetAllocatable"
|
|
|
|
// owner: @jayunit100 @abhiraut @rikatz
|
|
// beta: v1.21
|
|
//
|
|
// Labels all namespaces with a default label "kubernetes.io/metadata.name: <namespaceName>"
|
|
NamespaceDefaultLabelName featuregate.Feature = "NamespaceDefaultLabelName"
|
|
|
|
// owner: @fengzixu
|
|
// alpha: v1.21
|
|
//
|
|
// Enables kubelet to detect CSI volume condition and send the event of the abnormal volume to the corresponding pod that is using it.
|
|
CSIVolumeHealth featuregate.Feature = "CSIVolumeHealth"
|
|
)
|
|
|
|
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.
|
|
var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
|
|
AppArmor: {Default: true, PreRelease: featuregate.Beta},
|
|
DynamicKubeletConfig: {Default: true, PreRelease: featuregate.Beta},
|
|
ExperimentalHostUserNamespaceDefaultingGate: {Default: false, PreRelease: featuregate.Beta},
|
|
DevicePlugins: {Default: true, PreRelease: featuregate.Beta},
|
|
RotateKubeletServerCertificate: {Default: true, PreRelease: featuregate.Beta},
|
|
LocalStorageCapacityIsolation: {Default: true, PreRelease: featuregate.Beta},
|
|
Sysctls: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
EphemeralContainers: {Default: false, PreRelease: featuregate.Alpha},
|
|
QOSReserved: {Default: false, PreRelease: featuregate.Alpha},
|
|
ExpandPersistentVolumes: {Default: true, PreRelease: featuregate.Beta},
|
|
ExpandInUsePersistentVolumes: {Default: true, PreRelease: featuregate.Beta},
|
|
ExpandCSIVolumes: {Default: true, PreRelease: featuregate.Beta},
|
|
CPUManager: {Default: true, PreRelease: featuregate.Beta},
|
|
MemoryManager: {Default: false, PreRelease: featuregate.Alpha},
|
|
CPUCFSQuotaPeriod: {Default: false, PreRelease: featuregate.Alpha},
|
|
TopologyManager: {Default: true, PreRelease: featuregate.Beta},
|
|
ServiceNodeExclusion: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
NodeDisruptionExclusion: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
StorageObjectInUseProtection: {Default: true, PreRelease: featuregate.GA},
|
|
SupportPodPidsLimit: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
SupportNodePidsLimit: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
BoundServiceAccountTokenVolume: {Default: true, PreRelease: featuregate.Beta},
|
|
ServiceAccountIssuerDiscovery: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
CRIContainerLogRotation: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
CSIMigration: {Default: true, PreRelease: featuregate.Beta},
|
|
CSIMigrationGCE: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires GCE PD CSI Driver)
|
|
InTreePluginGCEUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIMigrationAWS: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires AWS EBS CSI driver)
|
|
InTreePluginAWSUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIMigrationAzureDisk: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires Azure Disk CSI driver)
|
|
InTreePluginAzureDiskUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIMigrationAzureFile: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires Azure File CSI driver)
|
|
InTreePluginAzureFileUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIMigrationvSphere: {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires vSphere CSI driver)
|
|
CSIMigrationvSphereComplete: {Default: false, PreRelease: featuregate.Beta}, // remove in 1.22
|
|
InTreePluginvSphereUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIMigrationOpenStack: {Default: true, PreRelease: featuregate.Beta},
|
|
InTreePluginOpenStackUnregister: {Default: false, PreRelease: featuregate.Alpha},
|
|
VolumeSubpath: {Default: true, PreRelease: featuregate.GA},
|
|
ConfigurableFSGroupPolicy: {Default: true, PreRelease: featuregate.Beta},
|
|
BalanceAttachedNodeVolumes: {Default: false, PreRelease: featuregate.Alpha},
|
|
CSIInlineVolume: {Default: true, PreRelease: featuregate.Beta},
|
|
CSIStorageCapacity: {Default: true, PreRelease: featuregate.Beta},
|
|
CSIServiceAccountToken: {Default: true, PreRelease: featuregate.Beta},
|
|
GenericEphemeralVolume: {Default: true, PreRelease: featuregate.Beta},
|
|
CSIVolumeFSGroupPolicy: {Default: true, PreRelease: featuregate.Beta},
|
|
RuntimeClass: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
NodeLease: {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
|
|
NetworkPolicyEndPort: {Default: false, PreRelease: featuregate.Alpha},
|
|
VolumeSnapshotDataSource: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.21
|
|
ProcMountType: {Default: false, PreRelease: featuregate.Alpha},
|
|
TTLAfterFinished: {Default: true, PreRelease: featuregate.Beta},
|
|
IndexedJob: {Default: false, PreRelease: featuregate.Alpha},
|
|
KubeletPodResources: {Default: true, PreRelease: featuregate.Beta},
|
|
LocalStorageCapacityIsolationFSQuotaMonitoring: {Default: false, PreRelease: featuregate.Alpha},
|
|
NonPreemptingPriority: {Default: true, PreRelease: featuregate.Beta},
|
|
PodOverhead: {Default: true, PreRelease: featuregate.Beta},
|
|
IPv6DualStack: {Default: true, PreRelease: featuregate.Beta},
|
|
EndpointSlice: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.25
|
|
EndpointSliceProxying: {Default: true, PreRelease: featuregate.Beta},
|
|
EndpointSliceTerminatingCondition: {Default: false, PreRelease: featuregate.Alpha},
|
|
EndpointSliceNodeName: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, //remove in 1.25
|
|
WindowsEndpointSliceProxying: {Default: true, PreRelease: featuregate.Beta},
|
|
StartupProbe: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
AllowInsecureBackendProxy: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
|
|
PodDisruptionBudget: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.25
|
|
CronJobControllerV2: {Default: true, PreRelease: featuregate.Beta},
|
|
DaemonSetUpdateSurge: {Default: false, PreRelease: featuregate.Alpha},
|
|
ServiceTopology: {Default: false, PreRelease: featuregate.Alpha},
|
|
ServiceAppProtocol: {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
|
|
ImmutableEphemeralVolumes: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.24
|
|
HugePageStorageMediumSize: {Default: true, PreRelease: featuregate.Beta},
|
|
DownwardAPIHugePages: {Default: false, PreRelease: featuregate.Beta}, // on by default in 1.22
|
|
ExternalPolicyForExternalIP: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
AnyVolumeDataSource: {Default: false, PreRelease: featuregate.Alpha},
|
|
DefaultPodTopologySpread: {Default: true, PreRelease: featuregate.Beta},
|
|
SetHostnameAsFQDN: {Default: true, PreRelease: featuregate.Beta},
|
|
WinOverlay: {Default: true, PreRelease: featuregate.Beta},
|
|
WinDSR: {Default: false, PreRelease: featuregate.Alpha},
|
|
DisableAcceleratorUsageMetrics: {Default: true, PreRelease: featuregate.Beta},
|
|
HPAContainerMetrics: {Default: false, PreRelease: featuregate.Alpha},
|
|
RootCAConfigMap: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
SizeMemoryBackedVolumes: {Default: true, PreRelease: featuregate.Beta},
|
|
ExecProbeTimeout: {Default: true, PreRelease: featuregate.GA}, // lock to default and remove after v1.22 based on KEP #1972 update
|
|
KubeletCredentialProviders: {Default: false, PreRelease: featuregate.Alpha},
|
|
GracefulNodeShutdown: {Default: true, PreRelease: featuregate.Beta},
|
|
ServiceLBNodePortControl: {Default: false, PreRelease: featuregate.Alpha},
|
|
MixedProtocolLBService: {Default: false, PreRelease: featuregate.Alpha},
|
|
VolumeCapacityPriority: {Default: false, PreRelease: featuregate.Alpha},
|
|
PreferNominatedNode: {Default: false, PreRelease: featuregate.Alpha},
|
|
ProbeTerminationGracePeriod: {Default: false, PreRelease: featuregate.Alpha},
|
|
RunAsGroup: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
PodDeletionCost: {Default: true, PreRelease: featuregate.Beta},
|
|
TopologyAwareHints: {Default: false, PreRelease: featuregate.Alpha},
|
|
PodAffinityNamespaceSelector: {Default: false, PreRelease: featuregate.Alpha},
|
|
ServiceLoadBalancerClass: {Default: false, PreRelease: featuregate.Alpha},
|
|
LogarithmicScaleDown: {Default: false, PreRelease: featuregate.Alpha},
|
|
IngressClassNamespacedParams: {Default: false, PreRelease: featuregate.Alpha},
|
|
ServiceInternalTrafficPolicy: {Default: false, PreRelease: featuregate.Alpha},
|
|
SuspendJob: {Default: false, PreRelease: featuregate.Alpha},
|
|
KubeletPodResourcesGetAllocatable: {Default: false, PreRelease: featuregate.Alpha},
|
|
NamespaceDefaultLabelName: {Default: true, PreRelease: featuregate.Beta}, // graduate to GA and lock to default in 1.22, remove in 1.24
|
|
CSIVolumeHealth: {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.StreamingProxyRedirects: {Default: true, PreRelease: featuregate.Deprecated},
|
|
genericfeatures.ValidateProxyRedirects: {Default: true, PreRelease: featuregate.Beta},
|
|
genericfeatures.AdvancedAuditing: {Default: true, PreRelease: featuregate.GA},
|
|
genericfeatures.APIResponseCompression: {Default: true, PreRelease: featuregate.Beta},
|
|
genericfeatures.APIListChunking: {Default: true, PreRelease: featuregate.Beta},
|
|
genericfeatures.DryRun: {Default: true, PreRelease: featuregate.GA},
|
|
genericfeatures.ServerSideApply: {Default: true, PreRelease: featuregate.Beta},
|
|
genericfeatures.APIPriorityAndFairness: {Default: true, PreRelease: featuregate.Beta},
|
|
genericfeatures.WarningHeaders: {Default: true, PreRelease: featuregate.Beta},
|
|
|
|
// features that enable backwards compatibility but are scheduled to be removed
|
|
// ...
|
|
HPAScaleToZero: {Default: false, PreRelease: featuregate.Alpha},
|
|
LegacyNodeRoleBehavior: {Default: false, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
|
|
}
|