mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-23 13:30:23 +00:00
73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
|
/*
|
||
|
|
Copyright 2023 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 util
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sort"
|
||
|
|
|
||
|
|
storagev1alpha1 "k8s.io/api/storage/v1alpha1"
|
||
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
|
|
"k8s.io/apimachinery/pkg/labels"
|
||
|
|
storagev1alpha1listers "k8s.io/client-go/listers/storage/v1alpha1"
|
||
|
|
"k8s.io/klog/v2"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
// AlphaIsDefaultVolumeAttributesClassAnnotation is the alpha version of IsDefaultVolumeAttributesClassAnnotation.
|
||
|
|
AlphaIsDefaultVolumeAttributesClassAnnotation = "volumeattributesclass.alpha.kubernetes.io/is-default-class"
|
||
|
|
)
|
||
|
|
|
||
|
|
// GetDefaultVolumeAttributesClass returns the default VolumeAttributesClass from the store, or nil.
|
||
|
|
func GetDefaultVolumeAttributesClass(lister storagev1alpha1listers.VolumeAttributesClassLister, driverName string) (*storagev1alpha1.VolumeAttributesClass, error) {
|
||
|
|
list, err := lister.List(labels.Everything())
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
defaultClasses := []*storagev1alpha1.VolumeAttributesClass{}
|
||
|
|
for _, class := range list {
|
||
|
|
if IsDefaultVolumeAttributesClassAnnotation(class.ObjectMeta) && class.DriverName == driverName {
|
||
|
|
defaultClasses = append(defaultClasses, class)
|
||
|
|
klog.V(4).Infof("GetDefaultVolumeAttributesClass added: %s", class.Name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if len(defaultClasses) == 0 {
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Primary sort by creation timestamp, newest first
|
||
|
|
// Secondary sort by class name, ascending order
|
||
|
|
sort.Slice(defaultClasses, func(i, j int) bool {
|
||
|
|
if defaultClasses[i].CreationTimestamp.UnixNano() == defaultClasses[j].CreationTimestamp.UnixNano() {
|
||
|
|
return defaultClasses[i].Name < defaultClasses[j].Name
|
||
|
|
}
|
||
|
|
return defaultClasses[i].CreationTimestamp.UnixNano() > defaultClasses[j].CreationTimestamp.UnixNano()
|
||
|
|
})
|
||
|
|
if len(defaultClasses) > 1 {
|
||
|
|
klog.V(4).Infof("%d default VolumeAttributesClass were found, choosing: %s", len(defaultClasses), defaultClasses[0].Name)
|
||
|
|
}
|
||
|
|
|
||
|
|
return defaultClasses[0], nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsDefaultVolumeAttributesClassAnnotation returns a boolean if the default
|
||
|
|
// volume attributes class annotation is set
|
||
|
|
func IsDefaultVolumeAttributesClassAnnotation(obj metav1.ObjectMeta) bool {
|
||
|
|
return obj.Annotations[AlphaIsDefaultVolumeAttributesClassAnnotation] == "true"
|
||
|
|
}
|