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Initializing the scheduler Features struct will be needed in different places, therefore NewSchedulerFeaturesFromGates gets introduced. Besides, having it next to the struct makes it easier to add new features. The DRASchedulerFilterTimeout feature gate simplifies disabling the timeout because setting a feature gate is often easier than modifying the scheduler configuration with a zero timeout value. The timeout and feature gate are new. The gate starts as beta and enabled by default, which is consistent with the "smaller changes with low enough risk that still may need to be disabled..." guideline.
67 lines
3.4 KiB
Go
67 lines
3.4 KiB
Go
/*
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Copyright 2021 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 feature
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import (
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"k8s.io/component-base/featuregate"
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"k8s.io/kubernetes/pkg/features"
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)
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// Features carries feature gate values used by various plugins.
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// This struct allows us to break the dependency of the plugins on
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// the internal k8s features pkg.
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type Features struct {
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EnableDRAPrioritizedList bool
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EnableDRAAdminAccess bool
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EnableDRADeviceTaints bool
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EnableDRASchedulerFilterTimeout bool
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EnableDynamicResourceAllocation bool
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EnableVolumeAttributesClass bool
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EnableCSIMigrationPortworx bool
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EnableNodeInclusionPolicyInPodTopologySpread bool
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EnableMatchLabelKeysInPodTopologySpread bool
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EnableInPlacePodVerticalScaling bool
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EnableSidecarContainers bool
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EnableSchedulingQueueHint bool
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EnableAsyncPreemption bool
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EnablePodLevelResources bool
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EnablePartitionableDevices bool
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EnableStorageCapacityScoring bool
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}
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// NewSchedulerFeaturesFromGates copies the current state of the feature gates into the struct.
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func NewSchedulerFeaturesFromGates(featureGate featuregate.FeatureGate) Features {
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return Features{
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EnableDRAPrioritizedList: featureGate.Enabled(features.DRAPrioritizedList),
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EnableDRAAdminAccess: featureGate.Enabled(features.DRAAdminAccess),
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EnableDRADeviceTaints: featureGate.Enabled(features.DRADeviceTaints),
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EnableDRASchedulerFilterTimeout: featureGate.Enabled(features.DRASchedulerFilterTimeout),
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EnableDynamicResourceAllocation: featureGate.Enabled(features.DynamicResourceAllocation),
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EnableVolumeAttributesClass: featureGate.Enabled(features.VolumeAttributesClass),
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EnableCSIMigrationPortworx: featureGate.Enabled(features.CSIMigrationPortworx),
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EnableNodeInclusionPolicyInPodTopologySpread: featureGate.Enabled(features.NodeInclusionPolicyInPodTopologySpread),
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EnableMatchLabelKeysInPodTopologySpread: featureGate.Enabled(features.MatchLabelKeysInPodTopologySpread),
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EnableInPlacePodVerticalScaling: featureGate.Enabled(features.InPlacePodVerticalScaling),
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EnableSidecarContainers: featureGate.Enabled(features.SidecarContainers),
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EnableSchedulingQueueHint: featureGate.Enabled(features.SchedulerQueueingHints),
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EnableAsyncPreemption: featureGate.Enabled(features.SchedulerAsyncPreemption),
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EnablePodLevelResources: featureGate.Enabled(features.PodLevelResources),
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EnablePartitionableDevices: featureGate.Enabled(features.DRAPartitionableDevices),
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EnableStorageCapacityScoring: featureGate.Enabled(features.StorageCapacityScoring),
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}
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}
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