add snapshotclass

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

pkg/models/resources/v1alpha3/resource/resource.go

@@ -19,6 +19,8 @@ package resource
 import (
 	"errors"
 
+	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3/volumesnapshotclass"
+
 	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3/persistentvolume"
 
 	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
@@ -115,6 +117,7 @@ func NewResourceGetter(factory informers.InformerFactory, cache cache.Cache) *Re
 	clusterResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "persistentvolumes"}] = persistentvolume.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "persistentvolumeclaims"}] = persistentvolumeclaim.New(factory.KubernetesSharedInformerFactory(), factory.SnapshotSharedInformerFactory())
 	namespacedResourceGetters[snapshotv1.SchemeGroupVersion.WithResource("volumesnapshots")] = volumesnapshot.New(factory.SnapshotSharedInformerFactory())
+	clusterResourceGetters[snapshotv1.SchemeGroupVersion.WithResource("volumesnapshotclasses")] = volumesnapshotclass.New(factory.SnapshotSharedInformerFactory())
 	namespacedResourceGetters[rbacv1.SchemeGroupVersion.WithResource(iamv1alpha2.ResourcesPluralRoleBinding)] = rolebinding.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[rbacv1.SchemeGroupVersion.WithResource(iamv1alpha2.ResourcesPluralRole)] = role.New(factory.KubernetesSharedInformerFactory())
 	clusterResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "nodes"}] = node.New(factory.KubernetesSharedInformerFactory())

pkg/models/resources/v1alpha3/volumesnapshotclass/volumesnapshotclass.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2021 The KubeSphere 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 volumesnapshotclass
+
+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 (
+	deletionPolicy = "deletionPolicy"
+	driver         = "driver"
+)
+
+type volumeSnapshotClassGetter struct {
+	informers externalversions.SharedInformerFactory
+}
+
+func New(informer externalversions.SharedInformerFactory) v1alpha3.Interface {
+	return &volumeSnapshotClassGetter{informers: informer}
+}
+
+func (v *volumeSnapshotClassGetter) Get(namespace, name string) (runtime.Object, error) {
+	return v.informers.Snapshot().V1().VolumeSnapshotClasses().Lister().Get(name)
+}
+
+func (v *volumeSnapshotClassGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
+	all, err := v.informers.Snapshot().V1().VolumeSnapshotClasses().Lister().List(query.Selector())
+	if err != nil {
+		return nil, err
+	}
+
+	var result []runtime.Object
+	for _, snapshotClass := range all {
+		result = append(result, snapshotClass)
+	}
+
+	return v1alpha3.DefaultList(result, query, v.compare, v.filter), nil
+}
+
+func (v *volumeSnapshotClassGetter) compare(left, right runtime.Object, field query.Field) bool {
+	leftSnapshotClass, ok := left.(*v1.VolumeSnapshotClass)
+	if !ok {
+		return false
+	}
+	rightSnapshotClass, ok := right.(*v1.VolumeSnapshotClass)
+	if !ok {
+		return false
+	}
+	return v1alpha3.DefaultObjectMetaCompare(leftSnapshotClass.ObjectMeta, rightSnapshotClass.ObjectMeta, field)
+}
+
+func (v *volumeSnapshotClassGetter) filter(object runtime.Object, filter query.Filter) bool {
+	snapshotClass, ok := object.(*v1.VolumeSnapshotClass)
+	if !ok {
+		return false
+	}
+
+	switch filter.Field {
+	case deletionPolicy:
+		return strings.EqualFold(string(snapshotClass.DeletionPolicy), string(filter.Value))
+	case driver:
+		return strings.EqualFold(snapshotClass.Driver, string(filter.Value))
+	default:
+		return v1alpha3.DefaultObjectMetaFilter(snapshotClass.ObjectMeta, filter)
+	}
+}

pkg/models/resources/v1alpha3/volumesnapshotclass/volumesnapshotclass_test.go

@@ -0,0 +1,150 @@
+/*
+Copyright 2021 The KubeSphere 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 volumesnapshotclass
+
+import (
+	"encoding/json"
+	"fmt"
+	"testing"
+	"time"
+
+	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
+	"github.com/kubernetes-csi/external-snapshotter/client/v4/clientset/versioned/fake"
+	"github.com/kubernetes-csi/external-snapshotter/client/v4/informers/externalversions"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+)
+
+const (
+	baseVolumeSnapshotClass = `{
+    "apiVersion": "snapshot.storage.k8s.io/v1",
+	"deletionPolicy": "Delete",
+	"driver": "disk.csi.qingcloud.com",
+	"kind": "VolumeSnapshotClass",
+	"metadata": {
+	  	"creationTimestamp": "2021-12-23T09:53:19Z"
+	}
+}`
+)
+
+func newVolumeSnapshotClass(name string) *snapshotv1.VolumeSnapshotClass {
+	volumeSnapshotclass := &snapshotv1.VolumeSnapshotClass{}
+	err := json.Unmarshal([]byte(baseVolumeSnapshotClass), volumeSnapshotclass)
+	if err != nil {
+		return nil
+	}
+	volumeSnapshotclass.Name = name
+	return volumeSnapshotclass
+}
+
+func TestListVolumeSnapshotClass(t *testing.T) {
+	RegisterFailHandler(Fail)
+
+	client := fake.NewSimpleClientset()
+	informer := externalversions.NewSharedInformerFactory(client, 0)
+
+	snapshotClass1 := newVolumeSnapshotClass("snapshotClass1")
+	fmt.Println(snapshotClass1.CreationTimestamp)
+	snapshotClass1.CreationTimestamp = v1.NewTime(snapshotClass1.CreationTimestamp.Add(time.Hour * 1))
+
+	snapshotClass2 := newVolumeSnapshotClass("snapshotClass2")
+	snapshotClass2.CreationTimestamp = v1.NewTime(snapshotClass1.CreationTimestamp.Add(time.Hour * 2))
+	snapshotClass2.Driver = "target.csi.qingcloud.com"
+
+	snapshotClass3 := newVolumeSnapshotClass("snapshotClass3")
+	snapshotClass3.CreationTimestamp = v1.NewTime(snapshotClass1.CreationTimestamp.Add(time.Hour * 3))
+	snapshotClass3.DeletionPolicy = snapshotv1.VolumeSnapshotContentRetain
+
+	volumeSnapshotClasses := []interface{}{snapshotClass1, snapshotClass2, snapshotClass3}
+
+	for _, s := range volumeSnapshotClasses {
+		_ = informer.Snapshot().V1().VolumeSnapshotClasses().Informer().GetIndexer().Add(s)
+	}
+	getter := New(informer)
+
+	Describe("condition", func() {
+		It("match name", func() {
+			query1 := query.New()
+			query1.Filters[query.FieldName] = query.Value(snapshotClass1.Name)
+			snapshotClassList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotClassList.TotalItems).To(Equal(1))
+			Expect(snapshotClassList.Items[0]).To(Equal(snapshotClass1))
+		})
+
+		It("match driver", func() {
+			query1 := query.New()
+			query1.Filters[driver] = query.Value(snapshotClass2.Driver)
+			snapshotClassList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotClassList.TotalItems).To(Equal(1))
+			Expect(snapshotClassList.Items[0]).To(Equal(snapshotClass2))
+		})
+
+		It("match deletionPolicy", func() {
+			query1 := query.New()
+			query1.Filters[deletionPolicy] = query.Value("Retain")
+			snapshotClassList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotClassList.TotalItems).To(Equal(1))
+			Expect(snapshotClassList.Items[0]).To(Equal(snapshotClass3))
+		})
+
+	})
+
+	Describe("order", func() {
+		It("by createTime ", func() {
+			query1 := query.New()
+			query1.SortBy = query.FieldCreateTime
+			query1.Ascending = true
+			snapshotClassList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotClassList.TotalItems).To(Equal(3))
+			Expect(snapshotClassList.Items[0].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass1.Name))
+			Expect(snapshotClassList.Items[1].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass2.Name))
+			Expect(snapshotClassList.Items[2].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass3.Name))
+		})
+
+		It("by name", func() {
+			query1 := query.New()
+			query1.SortBy = query.FieldName
+			query1.Ascending = true
+			snapshotClassList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotClassList.TotalItems).To(Equal(3))
+			Expect(snapshotClassList.Items[0].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass1.Name))
+			Expect(snapshotClassList.Items[1].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass2.Name))
+			Expect(snapshotClassList.Items[2].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass3.Name))
+		})
+		It("by name and reverse", func() {
+			query1 := query.New()
+			query1.SortBy = query.FieldName
+			query1.Ascending = false
+			snapshotList, err := getter.List("", query1)
+			Expect(err).To(BeNil())
+			Expect(snapshotList.TotalItems).To(Equal(3))
+			Expect(snapshotList.Items[0].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass3.Name))
+			Expect(snapshotList.Items[1].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass2.Name))
+			Expect(snapshotList.Items[2].(*snapshotv1.VolumeSnapshotClass).Name).To(Equal(snapshotClass1.Name))
+		})
+	})
+
+	RunSpecs(t, "volume snapshotclass getter list")
+}