add cluster and crd to resources api group (#2053)

pkg/models/resources/v1alpha3/cluster/clusters.go

@@ -0,0 +1,61 @@
+package cluster
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"kubesphere.io/kubesphere/pkg/api"
+	clusterv1alpha1 "kubesphere.io/kubesphere/pkg/apis/cluster/v1alpha1"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	"kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3"
+)
+
+type clustersGetter struct {
+	informers externalversions.SharedInformerFactory
+}
+
+func New(informers externalversions.SharedInformerFactory) v1alpha3.Interface {
+	return &clustersGetter{
+		informers: informers,
+	}
+}
+
+func (c clustersGetter) Get(_, name string) (runtime.Object, error) {
+	return c.informers.Cluster().V1alpha1().Clusters().Lister().Get(name)
+}
+
+func (c clustersGetter) List(_ string, query *query.Query) (*api.ListResult, error) {
+	clusters, err := c.informers.Cluster().V1alpha1().Clusters().Lister().List(query.Selector())
+	if err != nil {
+		return nil, err
+	}
+
+	var result []runtime.Object
+	for _, deploy := range clusters {
+		result = append(result, deploy)
+	}
+
+	return v1alpha3.DefaultList(result, query, c.compare, c.filter), nil
+}
+
+func (c clustersGetter) compare(left runtime.Object, right runtime.Object, field query.Field) bool {
+	leftCluster, ok := left.(*clusterv1alpha1.Cluster)
+	if !ok {
+		return false
+	}
+
+	rightCluster, ok := right.(*clusterv1alpha1.Cluster)
+	if !ok {
+		return false
+	}
+
+	return v1alpha3.DefaultObjectMetaCompare(leftCluster.ObjectMeta, rightCluster.ObjectMeta, field)
+}
+
+func (c clustersGetter) filter(object runtime.Object, filter query.Filter) bool {
+	cluster, ok := object.(*clusterv1alpha1.Cluster)
+	if !ok {
+		return false
+	}
+
+	return v1alpha3.DefaultObjectMetaFilter(cluster.ObjectMeta, filter)
+}

pkg/models/resources/v1alpha3/cluster/clusters_test.go

@@ -0,0 +1,105 @@
+package cluster
+
+import (
+	"github.com/google/go-cmp/cmp"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"kubesphere.io/kubesphere/pkg/api"
+	clusterv1alpha1 "kubesphere.io/kubesphere/pkg/apis/cluster/v1alpha1"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
+	"kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+	"testing"
+)
+
+var clusters = []*clusterv1alpha1.Cluster{
+	{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "foo",
+			Labels: map[string]string{
+				"cluster.kubesphere.io/region": "beijing",
+				"cluster.kubesphere.io/group":  "development",
+			},
+		},
+	},
+	{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "bar",
+			Labels: map[string]string{
+				"cluster.kubesphere.io/region": "beijing",
+				"cluster.kubesphere.io/group":  "production",
+			},
+		},
+	},
+	{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "whatever",
+			Labels: map[string]string{
+				"cluster.kubesphere.io/region": "shanghai",
+				"cluster.kubesphere.io/group":  "testing",
+			},
+		},
+	},
+}
+
+func clustersToInterface(clusters ...*clusterv1alpha1.Cluster) []interface{} {
+	items := make([]interface{}, 0)
+
+	for _, cluster := range clusters {
+		items = append(items, cluster)
+	}
+
+	return items
+}
+
+func clustersToRuntimeObject(clusters ...*clusterv1alpha1.Cluster) []runtime.Object {
+	items := make([]runtime.Object, 0)
+
+	for _, cluster := range clusters {
+		items = append(items, cluster)
+	}
+
+	return items
+}
+
+func TestClustersGetter(t *testing.T) {
+	var testCases = []struct {
+		description string
+		query       *query.Query
+		expected    *api.ListResult
+	}{
+		{
+			description: "Test normal case",
+			query: &query.Query{
+				LabelSelector: "cluster.kubesphere.io/region=beijing",
+				Ascending:     false,
+			},
+			expected: &api.ListResult{
+				TotalItems: 2,
+				Items:      clustersToInterface(clusters[0], clusters[1]),
+			},
+		},
+	}
+
+	client := fake.NewSimpleClientset(clustersToRuntimeObject(clusters...)...)
+	informer := externalversions.NewSharedInformerFactory(client, 0)
+
+	for _, cluster := range clusters {
+		informer.Cluster().V1alpha1().Clusters().Informer().GetIndexer().Add(cluster)
+	}
+
+	for _, testCase := range testCases {
+
+		clusterGetter := New(informer)
+		t.Run(testCase.description, func(t *testing.T) {
+			result, err := clusterGetter.List("", testCase.query)
+			if err != nil {
+				t.Error(err)
+			}
+
+			if diff := cmp.Diff(result, testCase.expected); len(diff) != 0 {
+				t.Errorf("%T, got+ expected-, %s", testCase.expected, diff)
+			}
+		})
+	}
+}