85 lines
2.6 KiB
Go
85 lines
2.6 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 persistentvolume
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import (
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/validation/field"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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nodeapi "k8s.io/kubernetes/pkg/api/node"
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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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const (
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deprecatedStorageClassAnnotationsMsg = `deprecated since v1.8; use "storageClassName" attribute instead`
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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.CSINodeExpandSecret) && !hasNodeExpansionSecrets(oldPVSpec) {
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if pvSpec.CSI != nil {
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pvSpec.CSI.NodeExpandSecretRef = nil
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}
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}
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}
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func hasNodeExpansionSecrets(oldPVSpec *api.PersistentVolumeSpec) bool {
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if oldPVSpec == nil || oldPVSpec.CSI == nil {
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return false
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}
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if oldPVSpec.CSI.NodeExpandSecretRef != 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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func GetWarningsForPersistentVolume(pv *api.PersistentVolume) []string {
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if pv == nil {
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return nil
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}
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return warningsForPersistentVolumeSpecAndMeta(nil, &pv.Spec, &pv.ObjectMeta)
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}
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func warningsForPersistentVolumeSpecAndMeta(fieldPath *field.Path, pvSpec *api.PersistentVolumeSpec, pvMeta *metav1.ObjectMeta) []string {
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var warnings []string
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if _, ok := pvMeta.Annotations[api.BetaStorageClassAnnotation]; ok {
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warnings = append(warnings,
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fmt.Sprintf(
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"%s: %s",
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fieldPath.Child("metadata", "annotations").Key(api.BetaStorageClassAnnotation),
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deprecatedStorageClassAnnotationsMsg,
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),
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)
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}
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if pvSpec.NodeAffinity != nil && pvSpec.NodeAffinity.Required != nil {
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termFldPath := fieldPath.Child("spec", "nodeAffinity", "required", "nodeSelectorTerms")
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// use of deprecated node labels in node affinity
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for i, term := range pvSpec.NodeAffinity.Required.NodeSelectorTerms {
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warnings = append(warnings, nodeapi.GetWarningsForNodeSelectorTerm(term, termFldPath.Index(i))...)
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}
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}
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return warnings
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}
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