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>
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@@ -1,238 +1,113 @@
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/*
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Copyright 2019 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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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 clusterrolebinding
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import (
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"context"
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"fmt"
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"time"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/wait"
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appsv1informers "k8s.io/client-go/informers/apps/v1"
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coreinfomers "k8s.io/client-go/informers/core/v1"
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rbacv1informers "k8s.io/client-go/informers/rbac/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
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rbacv1listers "k8s.io/client-go/listers/rbac/v1"
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"k8s.io/client-go/tools/cache"
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"github.com/go-logr/logr"
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rbacv1 "k8s.io/api/rbac/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/workqueue"
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"k8s.io/klog/v2"
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iamv1beta1 "kubesphere.io/api/iam/v1beta1"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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iamv1alpha2 "kubesphere.io/api/iam/v1alpha2"
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iamv1alpha2informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions/iam/v1alpha2"
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"kubesphere.io/kubesphere/pkg/models/kubectl"
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rbachelper "kubesphere.io/kubesphere/pkg/componenthelper/auth/rbac"
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kscontroller "kubesphere.io/kubesphere/pkg/controller"
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rbacutils "kubesphere.io/kubesphere/pkg/utils/rbac"
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)
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const (
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// SuccessSynced is used as part of the Event 'reason' when a Foo is synced
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successSynced = "Synced"
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// is synced successfully
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messageResourceSynced = "ClusterRoleBinding synced successfully"
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controllerName = "clusterrolebinding-controller"
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controllerName = "clusterrolebinding"
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roleBindingRef = "iam.kubesphere.io/clusterrolebinding-ref"
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)
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type Controller struct {
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k8sClient kubernetes.Interface
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clusterRoleBindingInformer rbacv1informers.ClusterRoleBindingInformer
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clusterRoleBindingLister rbacv1listers.ClusterRoleBindingLister
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clusterRoleBindingSynced cache.InformerSynced
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userSynced cache.InformerSynced
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deploymentSynced cache.InformerSynced
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podSynced cache.InformerSynced
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// workqueue is a rate limited work queue. This is used to queue work to be
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// processed instead of performing it as soon as a change happens. This
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// means we can ensure we only process a fixed amount of resources at a
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// time, and makes it easy to ensure we are never processing the same item
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// simultaneously in two different workers.
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workqueue workqueue.RateLimitingInterface
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// recorder is an event recorder for recording Event resources to the
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// Kubernetes API.
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recorder record.EventRecorder
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kubectlOperator kubectl.Interface
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var _ kscontroller.Controller = &Reconciler{}
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var _ reconcile.Reconciler = &Reconciler{}
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type Reconciler struct {
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client.Client
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logger logr.Logger
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recorder record.EventRecorder
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helper *rbachelper.Helper
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}
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func NewController(k8sClient kubernetes.Interface, clusterRoleBindingInformer rbacv1informers.ClusterRoleBindingInformer,
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deploymentInformer appsv1informers.DeploymentInformer, podInformer coreinfomers.PodInformer,
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userInformer iamv1alpha2informers.UserInformer, kubectlImage string) *Controller {
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// Create event broadcaster
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// Add sample-controller types to the default Kubernetes Scheme so Events can be
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// logged for sample-controller types.
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klog.V(4).Info("Creating event broadcaster")
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eventBroadcaster := record.NewBroadcaster()
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eventBroadcaster.StartLogging(klog.Infof)
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eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: k8sClient.CoreV1().Events("")})
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recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerName})
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ctl := &Controller{
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k8sClient: k8sClient,
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clusterRoleBindingInformer: clusterRoleBindingInformer,
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clusterRoleBindingLister: clusterRoleBindingInformer.Lister(),
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clusterRoleBindingSynced: clusterRoleBindingInformer.Informer().HasSynced,
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userSynced: userInformer.Informer().HasSynced,
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deploymentSynced: deploymentInformer.Informer().HasSynced,
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podSynced: podInformer.Informer().HasSynced,
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kubectlOperator: kubectl.NewOperator(k8sClient, deploymentInformer, podInformer, userInformer, kubectlImage),
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workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "ClusterRoleBinding"),
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recorder: recorder,
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}
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klog.Info("Setting up event handlers")
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clusterRoleBindingInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
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AddFunc: ctl.enqueueClusterRoleBinding,
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UpdateFunc: func(old, new interface{}) {
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ctl.enqueueClusterRoleBinding(new)
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},
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DeleteFunc: ctl.enqueueClusterRoleBinding,
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})
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return ctl
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func (r *Reconciler) Name() string {
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return controllerName
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}
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func (c *Controller) Run(threadiness int, stopCh <-chan struct{}) error {
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defer utilruntime.HandleCrash()
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defer c.workqueue.ShutDown()
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func (r *Reconciler) SetupWithManager(mgr *kscontroller.Manager) error {
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r.logger = ctrl.Log.WithName("controllers").WithName(controllerName)
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r.recorder = mgr.GetEventRecorderFor(controllerName)
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r.Client = mgr.GetClient()
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r.helper = rbachelper.NewHelper(mgr.GetClient())
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// Start the informer factories to begin populating the informer caches
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klog.Info("Starting ClusterRoleBinding controller")
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// Wait for the caches to be synced before starting workers
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klog.Info("Waiting for informer caches to sync")
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if ok := cache.WaitForCacheSync(stopCh, c.clusterRoleBindingSynced, c.userSynced, c.deploymentSynced, c.podSynced); !ok {
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return fmt.Errorf("failed to wait for caches to sync")
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}
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klog.Info("Starting workers")
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for i := 0; i < threadiness; i++ {
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go wait.Until(c.runWorker, time.Second, stopCh)
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}
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klog.Info("Started workers")
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<-stopCh
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klog.Info("Shutting down workers")
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return nil
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return ctrl.NewControllerManagedBy(mgr).
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Named(controllerName).
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For(&iamv1beta1.ClusterRoleBinding{}).
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Complete(r)
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}
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func (c *Controller) enqueueClusterRoleBinding(obj interface{}) {
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var key string
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var err error
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if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
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utilruntime.HandleError(err)
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return
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func (r *Reconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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log := r.logger.WithValues("ClusterRoleBinding", req.String())
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ctx = logr.NewContext(ctx, log)
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clusterRole := &iamv1beta1.ClusterRoleBinding{}
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if err := r.Get(ctx, req.NamespacedName, clusterRole); err != nil {
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return ctrl.Result{}, client.IgnoreNotFound(err)
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}
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c.workqueue.Add(key)
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if err := r.syncToKubernetes(ctx, clusterRole); err != nil {
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log.Error(err, "sync cluster role binding failed")
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return ctrl.Result{}, err
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}
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return ctrl.Result{}, nil
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}
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func (c *Controller) runWorker() {
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for c.processNextWorkItem() {
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}
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}
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func (c *Controller) processNextWorkItem() bool {
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obj, shutdown := c.workqueue.Get()
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if shutdown {
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return false
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func (r *Reconciler) syncToKubernetes(ctx context.Context, clusterRoleBinding *iamv1beta1.ClusterRoleBinding) error {
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k8sClusterRolBinding := &rbacv1.ClusterRoleBinding{
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ObjectMeta: metav1.ObjectMeta{Name: rbacutils.RelatedK8sResourceName(clusterRoleBinding.Name)},
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}
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// We wrap this block in a func so we can defer c.workqueue.Done.
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err := func(obj interface{}) error {
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// We call Done here so the workqueue knows we have finished
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// processing this item. We also must remember to call Forget if we
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// do not want this work item being re-queued. For example, we do
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// not call Forget if a transient error occurs, instead the item is
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// put back on the workqueue and attempted again after a back-off
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// period.
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defer c.workqueue.Done(obj)
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var key string
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var ok bool
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// We expect strings to come off the workqueue. These are of the
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// form namespace/name. We do this as the delayed nature of the
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// workqueue means the items in the informer cache may actually be
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// more up to date that when the item was initially put onto the
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// workqueue.
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if key, ok = obj.(string); !ok {
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// As the item in the workqueue is actually invalid, we call
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// Forget here else we'd go into a loop of attempting to
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// process a work item that is invalid.
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c.workqueue.Forget(obj)
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utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
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return nil
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op, err := controllerutil.CreateOrUpdate(ctx, r.Client, k8sClusterRolBinding, func() error {
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if k8sClusterRolBinding.Labels == nil {
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k8sClusterRolBinding.Labels = make(map[string]string)
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}
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// Run the reconcile, passing it the namespace/name string of the
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// Foo resource to be synced.
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if err := c.reconcile(key); err != nil {
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// Put the item back on the workqueue to handle any transient errors.
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c.workqueue.AddRateLimited(key)
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return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
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k8sClusterRolBinding.Labels[roleBindingRef] = clusterRoleBinding.Name
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k8sClusterRolBinding.RoleRef = rbacv1.RoleRef{
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APIGroup: rbacv1.GroupName,
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Kind: clusterRoleBinding.RoleRef.Kind,
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Name: rbacutils.RelatedK8sResourceName(clusterRoleBinding.RoleRef.Name),
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}
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// Finally, if no error occurs we Forget this item so it does not
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// get queued again until another change happens.
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c.workqueue.Forget(obj)
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klog.Infof("Successfully synced %s:%s", "key", key)
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return nil
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}(obj)
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if err != nil {
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utilruntime.HandleError(err)
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return true
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}
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return true
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}
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// reconcile compares the actual state with the desired, and attempts to
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// converge the two. It then updates the Status block of the Foo resource
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// with the current status of the resource.
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func (c *Controller) reconcile(key string) error {
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// Get the clusterRoleBinding with this name
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clusterRoleBinding, err := c.clusterRoleBindingLister.Get(key)
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if err != nil {
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// The resource may no longer exist, in which case we stop
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// processing.
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if errors.IsNotFound(err) {
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utilruntime.HandleError(fmt.Errorf("clusterrolebinding '%s' in work queue no longer exists", key))
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return nil
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}
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klog.Error(err)
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return err
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}
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if clusterRoleBinding.RoleRef.Name == iamv1alpha2.ClusterAdmin {
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var subjects []rbacv1.Subject
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for _, subject := range clusterRoleBinding.Subjects {
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if subject.Kind == iamv1alpha2.ResourceKindUser {
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err = c.kubectlOperator.CreateKubectlDeploy(subject.Name, clusterRoleBinding)
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if err != nil {
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klog.Error(err)
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return err
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}
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newSubject := rbacv1.Subject{
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Kind: subject.Kind,
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Name: subject.Name,
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Namespace: subject.Namespace,
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}
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if subject.Kind != rbacv1.ServiceAccountKind {
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newSubject.APIGroup = rbacv1.GroupName
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}
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subjects = append(subjects, newSubject)
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}
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k8sClusterRolBinding.Subjects = subjects
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if err := controllerutil.SetOwnerReference(clusterRoleBinding, k8sClusterRolBinding, r.Scheme()); err != nil {
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return fmt.Errorf("failed to set owner reference: %s", err)
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}
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return nil
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})
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if err != nil {
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r.logger.Error(err, "sync cluster role binding failed", "cluster role binding", clusterRoleBinding.Name)
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}
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c.recorder.Event(clusterRoleBinding, corev1.EventTypeNormal, successSynced, messageResourceSynced)
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r.logger.V(4).Info("sync cluster role binding to K8s", "cluster role binding", clusterRoleBinding.Name, "op", op)
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return nil
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}
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func (c *Controller) Start(ctx context.Context) error {
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return c.Run(4, ctx.Done())
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}
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