feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

pkg/controller/extension/jsbundle_webhook.go

@@ -0,0 +1,93 @@
+/*
+ * Please refer to the LICENSE file in the root directory of the project.
+ * https://github.com/kubesphere/kubesphere/blob/master/LICENSE
+ */
+
+package extension
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	kscontroller "kubesphere.io/kubesphere/pkg/controller"
+
+	clusterv1alpha1 "kubesphere.io/api/cluster/v1alpha1"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"kubesphere.io/api/core/v1alpha1"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
+
+	extensionsv1alpha1 "kubesphere.io/api/extensions/v1alpha1"
+)
+
+var _ admission.CustomValidator = &JSBundleWebhook{}
+var _ admission.CustomDefaulter = &JSBundleWebhook{}
+var _ kscontroller.Controller = &JSBundleWebhook{}
+
+type JSBundleWebhook struct {
+	client.Client
+}
+
+func (r *JSBundleWebhook) Name() string {
+	return "jsbundle-webhook"
+}
+
+func (r *JSBundleWebhook) Enabled(clusterRole string) bool {
+	return strings.EqualFold(clusterRole, string(clusterv1alpha1.ClusterRoleHost))
+}
+
+func (r *JSBundleWebhook) SetupWithManager(mgr *kscontroller.Manager) error {
+	r.Client = mgr.GetClient()
+	return ctrl.NewWebhookManagedBy(mgr).
+		WithValidator(r).
+		WithDefaulter(r).
+		For(&extensionsv1alpha1.JSBundle{}).
+		Complete()
+}
+
+var _ admission.CustomDefaulter = &JSBundleWebhook{}
+
+func (r *JSBundleWebhook) Default(_ context.Context, obj runtime.Object) error {
+	jsBundle := obj.(*extensionsv1alpha1.JSBundle)
+	extensionName := jsBundle.Labels[v1alpha1.ExtensionReferenceLabel]
+	if jsBundle.Status.Link == "" && extensionName != "" {
+		jsBundle.Status.Link = fmt.Sprintf("/dist/%s/index.js", extensionName)
+	}
+	return nil
+}
+
+func (r *JSBundleWebhook) ValidateCreate(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
+	return r.validateJSBundle(ctx, obj.(*extensionsv1alpha1.JSBundle))
+}
+
+func (r *JSBundleWebhook) ValidateUpdate(ctx context.Context, _, newObj runtime.Object) (admission.Warnings, error) {
+	return r.validateJSBundle(ctx, newObj.(*extensionsv1alpha1.JSBundle))
+}
+
+func (r *JSBundleWebhook) ValidateDelete(_ context.Context, _ runtime.Object) (admission.Warnings, error) {
+	return nil, nil
+}
+
+func (r *JSBundleWebhook) validateJSBundle(ctx context.Context, jsBundle *extensionsv1alpha1.JSBundle) (admission.Warnings, error) {
+	if jsBundle.Status.Link == "" {
+		return nil, nil
+	}
+	extensionName := jsBundle.Labels[v1alpha1.ExtensionReferenceLabel]
+	if extensionName != "" && !strings.HasPrefix(jsBundle.Status.Link, fmt.Sprintf("/dist/%s", extensionName)) {
+		return nil, fmt.Errorf("the prefix of status.link must be in the format /dist/%s/", extensionName)
+	}
+	jsBundles := &extensionsv1alpha1.JSBundleList{}
+	if err := r.Client.List(ctx, jsBundles, &client.ListOptions{}); err != nil {
+		return nil, err
+	}
+	for _, item := range jsBundles.Items {
+		if item.Name != jsBundle.Name &&
+			item.Status.Link == jsBundle.Status.Link {
+			return nil, fmt.Errorf("JSBundle %s is already exists", jsBundle.Status.Link)
+		}
+	}
+	return nil, nil
+}