49 lines
1.4 KiB
Go
49 lines
1.4 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 util
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import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/apis/storage"
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"k8s.io/kubernetes/pkg/features"
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)
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// DropDisabledFields removes disabled fields from the StorageClass object.
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func DropDisabledFields(class, oldClass *storage.StorageClass) {
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if !utilfeature.DefaultFeatureGate.Enabled(features.VolumeScheduling) {
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class.VolumeBindingMode = nil
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class.AllowedTopologies = nil
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if oldClass != nil {
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oldClass.VolumeBindingMode = nil
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oldClass.AllowedTopologies = nil
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}
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}
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if !utilfeature.DefaultFeatureGate.Enabled(features.ExpandPersistentVolumes) && !allowVolumeExpansionInUse(oldClass) {
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class.AllowVolumeExpansion = nil
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}
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}
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func allowVolumeExpansionInUse(oldClass *storage.StorageClass) bool {
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if oldClass == nil {
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return false
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}
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if oldClass.AllowVolumeExpansion != nil {
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return true
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}
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return false
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}
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