mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-28 01:00:22 +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
/*
|
|
Copyright 2020 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 volume
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/component-helpers/scheduling/corev1"
|
|
)
|
|
|
|
// GetPersistentVolumeClaimClass returns StorageClassName. If no storage class was
|
|
// requested, it returns "".
|
|
func GetPersistentVolumeClaimClass(claim *v1.PersistentVolumeClaim) string {
|
|
// Use beta annotation first
|
|
if class, found := claim.Annotations[v1.BetaStorageClassAnnotation]; found {
|
|
return class
|
|
}
|
|
|
|
if claim.Spec.StorageClassName != nil {
|
|
return *claim.Spec.StorageClassName
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
// GetPersistentVolumeClass returns StorageClassName.
|
|
func GetPersistentVolumeClass(volume *v1.PersistentVolume) string {
|
|
// Use beta annotation first
|
|
if class, found := volume.Annotations[v1.BetaStorageClassAnnotation]; found {
|
|
return class
|
|
}
|
|
|
|
return volume.Spec.StorageClassName
|
|
}
|
|
|
|
// CheckNodeAffinity looks at the PV node affinity, and checks if the node has the same corresponding labels
|
|
// This ensures that we don't mount a volume that doesn't belong to this node
|
|
func CheckNodeAffinity(pv *v1.PersistentVolume, nodeLabels map[string]string) error {
|
|
if pv.Spec.NodeAffinity == nil {
|
|
return nil
|
|
}
|
|
|
|
if pv.Spec.NodeAffinity.Required != nil {
|
|
node := &v1.Node{ObjectMeta: metav1.ObjectMeta{Labels: nodeLabels}}
|
|
terms := pv.Spec.NodeAffinity.Required
|
|
if matches, err := corev1.MatchNodeSelectorTerms(node, terms); err != nil {
|
|
return err
|
|
} else if !matches {
|
|
return fmt.Errorf("no matching NodeSelectorTerms")
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|