mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-25 14:30:22 +00:00
5a66991bb3
updating the kubernetes release to the latest in main go.mod Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
/*
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Copyright 2023 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 util
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import (
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"sort"
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storagev1beta1 "k8s.io/api/storage/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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storagev1beta1listers "k8s.io/client-go/listers/storage/v1beta1"
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"k8s.io/klog/v2"
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)
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const (
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// AlphaIsDefaultVolumeAttributesClassAnnotation is the alpha version of IsDefaultVolumeAttributesClassAnnotation.
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AlphaIsDefaultVolumeAttributesClassAnnotation = "volumeattributesclass.alpha.kubernetes.io/is-default-class"
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)
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// GetDefaultVolumeAttributesClass returns the default VolumeAttributesClass from the store, or nil.
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func GetDefaultVolumeAttributesClass(lister storagev1beta1listers.VolumeAttributesClassLister, driverName string) (*storagev1beta1.VolumeAttributesClass, error) {
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list, err := lister.List(labels.Everything())
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if err != nil {
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return nil, err
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}
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defaultClasses := []*storagev1beta1.VolumeAttributesClass{}
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for _, class := range list {
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if IsDefaultVolumeAttributesClassAnnotation(class.ObjectMeta) && class.DriverName == driverName {
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defaultClasses = append(defaultClasses, class)
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klog.V(4).Infof("GetDefaultVolumeAttributesClass added: %s", class.Name)
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}
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}
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if len(defaultClasses) == 0 {
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return nil, nil
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}
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// Primary sort by creation timestamp, newest first
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// Secondary sort by class name, ascending order
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sort.Slice(defaultClasses, func(i, j int) bool {
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if defaultClasses[i].CreationTimestamp.UnixNano() == defaultClasses[j].CreationTimestamp.UnixNano() {
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return defaultClasses[i].Name < defaultClasses[j].Name
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}
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return defaultClasses[i].CreationTimestamp.UnixNano() > defaultClasses[j].CreationTimestamp.UnixNano()
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})
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if len(defaultClasses) > 1 {
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klog.V(4).Infof("%d default VolumeAttributesClass were found, choosing: %s", len(defaultClasses), defaultClasses[0].Name)
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}
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return defaultClasses[0], nil
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}
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// IsDefaultVolumeAttributesClassAnnotation returns a boolean if the default
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// volume attributes class annotation is set
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func IsDefaultVolumeAttributesClassAnnotation(obj metav1.ObjectMeta) bool {
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return obj.Annotations[AlphaIsDefaultVolumeAttributesClassAnnotation] == "true"
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}
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