特性开关
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

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