| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package persistentvolume |
| |
| import ( |
| utilfeature "k8s.io/apiserver/pkg/util/feature" |
| api "k8s.io/kubernetes/pkg/apis/core" |
| "k8s.io/kubernetes/pkg/features" |
| ) |
| |
| // DropDisabledFields removes disabled fields from the pv spec. |
| // This should be called from PrepareForCreate/PrepareForUpdate for all resources containing a pv spec. |
| func DropDisabledFields(pvSpec *api.PersistentVolumeSpec, oldPVSpec *api.PersistentVolumeSpec) { |
| if !utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) { |
| // TODO(liggitt): change this to only drop pvSpec.VolumeMode if (oldPVSpec == nil || oldPVSpec.VolumeMode == nil) |
| // Requires more coordinated changes to validation |
| pvSpec.VolumeMode = nil |
| if oldPVSpec != nil { |
| oldPVSpec.VolumeMode = nil |
| } |
| } |
| |
| if !utilfeature.DefaultFeatureGate.Enabled(features.CSIPersistentVolume) { |
| // if this is a new PV, or the old PV didn't already have the CSI field, clear it |
| if oldPVSpec == nil || oldPVSpec.PersistentVolumeSource.CSI == nil { |
| pvSpec.PersistentVolumeSource.CSI = nil |
| } |
| } |
| } |