104 lines
3.0 KiB
Go
104 lines
3.0 KiB
Go
/*
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* Copyright 2024 the KubeSphere Authors.
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* Please refer to the LICENSE file in the root directory of the project.
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* https://github.com/kubesphere/kubesphere/blob/master/LICENSE
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*/
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package storageclass
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import (
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"context"
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"strconv"
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corev1 "k8s.io/api/core/v1"
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v1 "k8s.io/api/storage/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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clusterv1alpha1 "kubesphere.io/api/cluster/v1alpha1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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runtimeclient "sigs.k8s.io/controller-runtime/pkg/client"
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"kubesphere.io/kubesphere/pkg/api"
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"kubesphere.io/kubesphere/pkg/apiserver/query"
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"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3"
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)
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type storageClassesGetter struct {
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cache runtimeclient.Reader
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}
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func New(cache runtimeclient.Reader) v1alpha3.Interface {
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return &storageClassesGetter{
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cache: cache,
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}
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}
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func (s *storageClassesGetter) Get(_, name string) (runtime.Object, error) {
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storageClass := &v1.StorageClass{}
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if err := s.cache.Get(context.Background(), types.NamespacedName{Name: name}, storageClass); err != nil {
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return nil, err
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}
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return s.transform(storageClass), nil
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}
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func (s *storageClassesGetter) List(_ string, query *query.Query) (*api.ListResult, error) {
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storageClasses := &v1.StorageClassList{}
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if err := s.cache.List(context.Background(), storageClasses, client.MatchingLabelsSelector{Selector: query.Selector()}); err != nil {
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return nil, err
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}
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var result []runtime.Object
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for _, item := range storageClasses.Items {
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result = append(result, item.DeepCopy())
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}
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return v1alpha3.DefaultList(result, query, s.compare, s.filter, s.transform), nil
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}
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func (s *storageClassesGetter) transform(obj runtime.Object) runtime.Object {
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in := obj.(*v1.StorageClass)
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out := in.DeepCopy()
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count := s.countPersistentVolumeClaims(in.Name)
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if out.Annotations == nil {
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out.Annotations = make(map[string]string)
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}
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out.Annotations["kubesphere.io/pvc-count"] = strconv.Itoa(count)
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return out
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}
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func (s *storageClassesGetter) compare(left runtime.Object, right runtime.Object, field query.Field) bool {
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leftStorageClass, ok := left.(*clusterv1alpha1.Cluster)
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if !ok {
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return false
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}
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rightStorageClass, ok := right.(*clusterv1alpha1.Cluster)
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if !ok {
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return false
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}
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return v1alpha3.DefaultObjectMetaCompare(leftStorageClass.ObjectMeta, rightStorageClass.ObjectMeta, field)
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}
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func (s *storageClassesGetter) filter(object runtime.Object, filter query.Filter) bool {
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cluster, ok := object.(*clusterv1alpha1.Cluster)
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if !ok {
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return false
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}
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return v1alpha3.DefaultObjectMetaFilter(cluster.ObjectMeta, filter)
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}
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func (s *storageClassesGetter) countPersistentVolumeClaims(name string) int {
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pvcs := &corev1.PersistentVolumeClaimList{}
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if err := s.cache.List(context.Background(), pvcs); 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.Items {
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if (pvc.Spec.StorageClassName != nil && *pvc.Spec.StorageClassName == name) ||
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(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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