红帽全球峰会4.11. 使用 FeatureGate 启用技术预览功能
您可以通过编辑 FeatureGate 自定义资源（CR）为集群中的所有节点开启当前技术预览功能的子集。
4.11.1. 了解功能门
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您可以使用 FeatureGate 自定义资源(CR)启用特定的功能集，以便在集群中使用特定的非默认功能。
功能集是 OpenShift Container Platform 功能的集合，默认情况下不启用。
您可以使用 FeatureGate CR 激活以下功能集：
TechPreviewNoUpgrade.这个功能集是当前技术预览功能的子集。此功能集允许您在测试集群中启用这些技术预览功能，您可以在测试集群中完全测试它们，同时保留生产集群中禁用的功能。警告在集群中启用
TechPreviewNoUpgrade功能集无法撤消，并会阻止次版本更新。您不应该在生产环境集群中启用此功能。此功能集启用了以下技术预览功能：
-
AdditionalRoutingCapabilities -
AdminNetworkPolicy -
AlibabaPlatform -
AutomatedEtcdBackup -
AWSClusterHostedDNS -
AWSClusterHostedDNSInstall -
AWSDedicatedHosts -
AWSDualStackInstall -
AWSServiceLBNetworkSecurityGroup -
AzureClusterHostedDNSInstall -
AzureDedicatedHosts -
AzureDualStackInstall -
AzureMultiDisk -
AzureWorkloadIdentity -
BootcNodeManagement -
BootImageSkewEnforcement -
BuildCSIVolumes -
CBORServingAndStorage -
ClientsPreferCBOR -
ClusterAPIInstallIBMCloud -
ClusterAPIMachineManagement -
ClusterMonitoringConfig -
ClusterVersionOperatorConfiguration -
ConsolePluginContentSecurityPolicy -
CPMSMachineNamePrefix -
CRDCompatibilityRequirementOperator -
DNSNameResolver -
DualReplica -
DyanmicServiceEndpointIBMCloud -
EtcdBackendQuota -
EventTTL -
示例 -
ExternalOIDC -
ExternalOIDCWithUIDAndExtraClaimMappings -
GatewayAPI -
GatewayAPIController -
GCPClusterHostedDNS -
GCPClusterHostedDNSInstall -
GCPDualStackInstall -
GCPCustomAPIEndpoints -
GCPCustomAPIEndpointsInstall -
HighlyAvailableArbiter -
HyperShiftOnlyDynamicResourceAllocation -
ImageModeStatusReporting -
ImageStreamImportMode -
ImageVolume -
InsightsConfig -
InsightsOnDemandDataGather -
IrreconcilableMachineConfig -
KMSEncryptionProvider -
KMSv1 -
MachineAPIMigration -
MachineConfigNodes -
ManagedBootImages -
ManagedBootImagesAWS -
ManagedBootImagesAzure -
ManagedBootImagesCPMS -
ManagedBootImagesvSphere -
MaxUnavailableStatefulSet -
MetricsCollectionProfiles -
MinimumKubeletVersion -
MixedCPUsAllocation -
MultiDiskSetup -
MutableCSINodeAllocatableCount -
MutatingAdmissionPolicy -
NetworkDiagnosticsConfig -
NetworkLiveMigration -
NetworkSegmentation -
NewOLM -
NewOLMCatalogdAPIV1Metas -
NewOLMOwnSingleNamespace -
NewOLMPreflightPermissionChecks -
NewOLMWebhookProviderOpenshiftServiceCA -
NoRegistryClusterInstall -
NutanixMultiSubnets -
OnPremDNSRecords -
OpenShiftPodSecurityAdmission -
OSStreams -
OVNObservability -
PinnedImages -
PreconfiguredUDNAddresses -
ProcMountType -
RouteAdvertisements -
RouteExternalCertificate -
SELinuxMount -
ServiceAccountTokenNodeBinding -
SignatureStores -
SigstoreImageVerification -
SigstoreImageVerificationPKI -
StoragePerformantSecurityPolicy -
TranslateStreamCloseWebsocketRequests -
UpgradeStatus -
UserNamespacesPodSecurityStandards -
UserNamespacesSupport -
VolumeAttributesClass -
VolumeGroupSnapshot -
VSphereConfigurableMaxAllowedBlockVolumesPerNode -
VSphereHostVMGroupZonal -
VSphereMixedNodeEnv -
VSphereMultiDisk -
VSphereMultiNetworks
-
有关这些 功能的详情，请查看附加资源部分。
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