117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
/*
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Copyright 2019 The KubeSphere 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 storageclass
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import (
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snapshotinformer "github.com/kubernetes-csi/external-snapshotter/v2/pkg/client/informers/externalversions"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/api/storage/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/client-go/informers"
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"kubesphere.io/kubesphere/pkg/models/resources/v1alpha2"
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"kubesphere.io/kubesphere/pkg/server/params"
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"sort"
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"strconv"
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)
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type storageClassesSearcher struct {
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informers informers.SharedInformerFactory
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snapshotInformers snapshotinformer.SharedInformerFactory
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}
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func NewStorageClassesSearcher(informers informers.SharedInformerFactory, snapshotInformer snapshotinformer.SharedInformerFactory) v1alpha2.Interface {
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return &storageClassesSearcher{
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informers: informers,
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snapshotInformers: snapshotInformer,
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}
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}
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func (s *storageClassesSearcher) Get(namespace, name string) (interface{}, error) {
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return s.informers.Storage().V1().StorageClasses().Lister().Get(name)
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}
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func (*storageClassesSearcher) match(match map[string]string, item *v1.StorageClass) bool {
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for k, v := range match {
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if !v1alpha2.ObjectMetaExactlyMath(k, v, item.ObjectMeta) {
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return false
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}
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}
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return true
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}
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func (*storageClassesSearcher) fuzzy(fuzzy map[string]string, item *v1.StorageClass) bool {
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for k, v := range fuzzy {
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if !v1alpha2.ObjectMetaFuzzyMath(k, v, item.ObjectMeta) {
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return false
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}
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}
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return true
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}
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func (s *storageClassesSearcher) Search(namespace string, conditions *params.Conditions, orderBy string, reverse bool) ([]interface{}, error) {
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storageClasses, err := s.informers.Storage().V1().StorageClasses().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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result := make([]*v1.StorageClass, 0)
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if len(conditions.Match) == 0 && len(conditions.Fuzzy) == 0 {
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result = storageClasses
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} else {
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for _, item := range storageClasses {
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if s.match(conditions.Match, item) && s.fuzzy(conditions.Fuzzy, item) {
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result = append(result, item)
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}
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}
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}
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sort.Slice(result, func(i, j int) bool {
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if reverse {
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i, j = j, i
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}
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return v1alpha2.ObjectMetaCompare(result[i].ObjectMeta, result[j].ObjectMeta, orderBy)
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})
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r := make([]interface{}, 0)
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for _, i := range result {
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count := s.countPersistentVolumeClaims(i.Name)
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if i.Annotations == nil {
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i.Annotations = make(map[string]string)
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}
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i.Annotations["kubesphere.io/pvc-count"] = strconv.Itoa(count)
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r = append(r, i)
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}
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return r, nil
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}
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func (s *storageClassesSearcher) countPersistentVolumeClaims(name string) int {
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pvcs, err := s.informers.Core().V1().PersistentVolumeClaims().Lister().List(labels.Everything())
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if err != nil {
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return 0
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}
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var count int
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for _, pvc := range pvcs {
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if (pvc.Spec.StorageClassName != nil && *pvc.Spec.StorageClassName == name) || (pvc.Annotations != nil && pvc.Annotations[corev1.BetaStorageClassAnnotation] == name) {
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count++
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}
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}
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return count
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}
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