add snapshotcontent func

Signed-off-by: f10atin9 <f10atin9@kubesphere.io>

pkg/models/resources/v1alpha3/volumesnapshotcontent/volumesnapshotcontent.go

@@ -0,0 +1,76 @@
+package volumesnapshotcontent
+
+import (
+	"strings"
+
+	v1 "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
+	"github.com/kubernetes-csi/external-snapshotter/client/v4/informers/externalversions"
+
+	"k8s.io/apimachinery/pkg/runtime"
+
+	"kubesphere.io/kubesphere/pkg/api"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3"
+)
+
+const (
+	volumeSnapshotClassName = "volumeSnapshotClassName"
+	volumeSnapshotName      = "volumeSnapshotName"
+	volumeSnapshotNameSpace = "volumeSnapshotNamespace"
+)
+
+type volumesnapshotcontentGetter struct {
+	informers externalversions.SharedInformerFactory
+}
+
+func New(informer externalversions.SharedInformerFactory) v1alpha3.Interface {
+	return &volumesnapshotcontentGetter{informers: informer}
+}
+
+func (v *volumesnapshotcontentGetter) Get(namespace, name string) (runtime.Object, error) {
+	return v.informers.Snapshot().V1().VolumeSnapshotContents().Lister().Get(name)
+}
+
+func (v *volumesnapshotcontentGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
+	all, err := v.informers.Snapshot().V1().VolumeSnapshotContents().Lister().List(query.Selector())
+	if err != nil {
+		return nil, err
+	}
+
+	var result []runtime.Object
+	for _, snapshotContent := range all {
+		result = append(result, snapshotContent)
+	}
+
+	return v1alpha3.DefaultList(result, query, v.compare, v.filter), nil
+}
+
+func (v *volumesnapshotcontentGetter) compare(left, right runtime.Object, field query.Field) bool {
+	leftSnapshotContent, ok := left.(*v1.VolumeSnapshotContent)
+	if !ok {
+		return false
+	}
+	rightSnapshotContent, ok := right.(*v1.VolumeSnapshotContent)
+	if !ok {
+		return false
+	}
+	return v1alpha3.DefaultObjectMetaCompare(leftSnapshotContent.ObjectMeta, rightSnapshotContent.ObjectMeta, field)
+}
+
+func (v *volumesnapshotcontentGetter) filter(object runtime.Object, filter query.Filter) bool {
+	snapshotcontent, ok := object.(*v1.VolumeSnapshotContent)
+	if !ok {
+		return false
+	}
+
+	switch filter.Field {
+	case volumeSnapshotClassName:
+		return strings.EqualFold(*snapshotcontent.Spec.VolumeSnapshotClassName, string(filter.Value))
+	case volumeSnapshotName:
+		return strings.EqualFold(snapshotcontent.Spec.VolumeSnapshotRef.Name, string(filter.Value))
+	case volumeSnapshotNameSpace:
+		return strings.EqualFold(snapshotcontent.Spec.VolumeSnapshotRef.Namespace, string(filter.Value))
+	default:
+		return v1alpha3.DefaultObjectMetaFilter(snapshotcontent.ObjectMeta, filter)
+	}
+}