mirror of https://github.com/k3s-io/k3s
44 lines
1.6 KiB
Go
44 lines
1.6 KiB
Go
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/*
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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 persistentvolume
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import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/features"
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)
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// DropDisabledFields removes disabled fields from the pv spec.
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// This should be called from PrepareForCreate/PrepareForUpdate for all resources containing a pv spec.
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func DropDisabledFields(pvSpec *api.PersistentVolumeSpec, oldPVSpec *api.PersistentVolumeSpec) {
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if !utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
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// TODO(liggitt): change this to only drop pvSpec.VolumeMode if (oldPVSpec == nil || oldPVSpec.VolumeMode == nil)
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// Requires more coordinated changes to validation
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pvSpec.VolumeMode = nil
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if oldPVSpec != nil {
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oldPVSpec.VolumeMode = nil
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}
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}
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if !utilfeature.DefaultFeatureGate.Enabled(features.CSIPersistentVolume) {
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// if this is a new PV, or the old PV didn't already have the CSI field, clear it
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if oldPVSpec == nil || oldPVSpec.PersistentVolumeSource.CSI == nil {
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pvSpec.PersistentVolumeSource.CSI = nil
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}
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}
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}
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