特性开关 - Kubernetes指南

特性开关（Feature Gates）是 Kubernetes 中用来开启实验性功能的配置，可以通过选项 --feature-gates 来给不同的组件（如 kube-apiserver、kube-controller-manager、kube-scheduler、kubelet、kube-proxy等）开启功能特性。
Feature
Default
Stage
Since
Until
Accelerators
false
Alpha
1.6
1.10
AdvancedAuditing
false
Alpha
1.7
1.7
AdvancedAuditing
true
Beta
1.8
1.11
AdvancedAuditing
true
GA
1.12
-
AffinityInAnnotations
false
Alpha
1.6
1.7
AllowExtTrafficLocalEndpoints
false
Beta
1.4
1.6
AllowExtTrafficLocalEndpoints
true
GA
1.7
-
APIListChunking
false
Alpha
1.8
1.8
APIListChunking
true
Beta
1.9
​
APIResponseCompression
false
Alpha
1.7
​
AppArmor
true
Beta
1.4
​
AttachVolumeLimit
false
Alpha
1.11
​
BlockVolume
false
Alpha
1.9
​
CPUManager
false
Alpha
1.8
1.9
CPUManager
true
Beta
1.10
​
CRIContainerLogRotation
false
Alpha
1.10
1.10
CRIContainerLogRotation
true
Beta
1.11
​
CSIBlockVolume
false
Alpha
1.11
1.11
CSIPersistentVolume
false
Alpha
1.9
1.9
CSIPersistentVolume
true
Beta
1.10
​
CustomPodDNS
false
Alpha
1.9
1.9
CustomPodDNS
true
Beta
1.10
​
CustomResourceSubresources
false
Alpha
1.10
​
CustomResourceValidation
false
Alpha
1.8
1.8
CustomResourceValidation
true
Beta
1.9
​
DebugContainers
false
Alpha
1.10
​
DevicePlugins
false
Alpha
1.8
1.9
DevicePlugins
true
Beta
1.10
​
DynamicKubeletConfig
false
Alpha
1.4
1.10
DynamicKubeletConfig
true
Beta
1.11
​
DynamicProvisioningScheduling
false
Alpha
1.11
1.11
DynamicVolumeProvisioning
true
Alpha
1.3
1.7
DynamicVolumeProvisioning
true
GA
1.8
​
EnableEquivalenceClassCache
false
Alpha
1.8
​
ExpandInUsePersistentVolumes
false
Alpha
1.11
​
ExpandPersistentVolumes
false
Alpha
1.8
1.10
ExpandPersistentVolumes
true
Beta
1.11
​
ExperimentalCriticalPodAnnotation
false
Alpha
1.5
​
ExperimentalHostUserNamespaceDefaulting
false
Beta
1.5
​
GCERegionalPersistentDisk
true
Beta
1.10
​
HugePages
false
Alpha
1.8
1.9
HugePages
true
Beta
1.10
​
HyperVContainer
false
Alpha
1.10
​
Initializers
false
Alpha
1.7
​
KubeletConfigFile
false
Alpha
1.8
1.9
KubeletPluginsWatcher
false
Alpha
1.11
1.11
KubeletPluginsWatcher
true
Beta
1.12
​
LocalStorageCapacityIsolation
false
Alpha
1.7
1.9
LocalStorageCapacityIsolation
true
Beta
1.10
​
MountContainers
false
Alpha
1.9
​
MountPropagation
false
Alpha
1.8
1.9
MountPropagation
true
Beta
1.10
1.11
MountPropagation
true
GA
1.12
​
PersistentLocalVolumes
false
Alpha
1.7
1.9
PersistentLocalVolumes
true
Beta
1.10
​
PodPriority
false
Alpha
1.8
​
PodReadinessGates
false
Alpha
1.11
​
PodReadinessGates
true
Beta
1.12
​
PodShareProcessNamespace
false
Alpha
1.10
​
PodShareProcessNamespace
true
Beta
1.12
​
PVCProtection
false
Alpha
1.9
1.9
ReadOnlyAPIDataVolumes
true
Deprecated
1.10
​
ResourceLimitsPriorityFunction
false
Alpha
1.9
​
RotateKubeletClientCertificate
true
Beta
1.7
​
RotateKubeletServerCertificate
false
Alpha
1.7
​
RunAsGroup
false
Alpha
1.10
​
RuntimeClass
false
Alpha
1.12
​
SCTPSupport
false
Alpha
1.12
​
ServiceNodeExclusion
false
Alpha
1.8
​
StorageObjectInUseProtection
true
Beta
1.10
1.10
StorageObjectInUseProtection
true
GA
1.11
​
StreamingProxyRedirects
true
Beta
1.5
​
SupportIPVSProxyMode
false
Alpha
1.8
1.8
SupportIPVSProxyMode
false
Beta
1.9
1.9
SupportIPVSProxyMode
true
Beta
1.10
1.10
SupportIPVSProxyMode
true
GA
1.11
​
SupportPodPidsLimit
false
Alpha
1.10
​
Sysctls
true
Beta
1.11
​
TaintBasedEvictions
false
Alpha
1.6
​
TaintNodesByCondition
false
Alpha
1.8
​
TaintNodesByCondition
true
Beta
1.12
​
TokenRequest
false
Alpha
1.10
1.11
TokenRequest
True
Beta
1.12
​
TokenRequestProjection
false
Alpha
1.11
1.11
TokenRequestProjection
True
Beta
1.12
​
TTLAfterFinished
false
Alpha
1.12
​
VolumeScheduling
false
Alpha
1.9
1.9
VolumeScheduling
true
Beta
1.10
​
VolumeSubpathEnvExpansion
false
Alpha
1.11
​
ScheduleDaemonSetPods
true
Beta
1.12
​
参考文档
​Kubernetes Feature Gates​

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