mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-20 15:39:52 +00:00
e3bf375035
update kubernetes to latest v1.25.0 release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
/*
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Copyright 2020 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 volume
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import (
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"fmt"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/component-helpers/scheduling/corev1"
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)
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// GetPersistentVolumeClaimClass returns StorageClassName. If no storage class was
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// requested, it returns "".
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func GetPersistentVolumeClaimClass(claim *v1.PersistentVolumeClaim) string {
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// Use beta annotation first
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if class, found := claim.Annotations[v1.BetaStorageClassAnnotation]; found {
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return class
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}
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if claim.Spec.StorageClassName != nil {
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return *claim.Spec.StorageClassName
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}
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return ""
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}
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// GetPersistentVolumeClass returns StorageClassName.
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func GetPersistentVolumeClass(volume *v1.PersistentVolume) string {
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// Use beta annotation first
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if class, found := volume.Annotations[v1.BetaStorageClassAnnotation]; found {
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return class
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}
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return volume.Spec.StorageClassName
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}
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// CheckNodeAffinity looks at the PV node affinity, and checks if the node has the same corresponding labels
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// This ensures that we don't mount a volume that doesn't belong to this node
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func CheckNodeAffinity(pv *v1.PersistentVolume, nodeLabels map[string]string) error {
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if pv.Spec.NodeAffinity == nil {
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return nil
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}
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if pv.Spec.NodeAffinity.Required != nil {
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node := &v1.Node{ObjectMeta: metav1.ObjectMeta{Labels: nodeLabels}}
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terms := pv.Spec.NodeAffinity.Required
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if matches, err := corev1.MatchNodeSelectorTerms(node, terms); err != nil {
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return err
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} else if !matches {
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return fmt.Errorf("no matching NodeSelectorTerms")
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}
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}
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return nil
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}
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