admin/kubesphere
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

improve IAM module

Browse Source 
Signed-off-by: hongming <talonwan@yunify.com>
This commit is contained in:
hongming
2020-05-22 09:35:05 +08:00
parent 0d12529051
commit 8f93266ec0
640 changed files with 50221 additions and 18179 deletions
Download Patch File Download Diff File Expand all files Collapse all files

375
pkg/controller/clusterrolebinding/clusterrolebinding_controller.go
View File

@@ -1,219 +1,240 @@
/*
Copyright 2019 The KubeSphere authors.
Copyright 2019 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
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.
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 clusterrolebinding
import (
"context"
"fmt"
"golang.org/x/crypto/bcrypt"
corev1 "k8s.io/api/core/v1"
rbac "k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
log "k8s.io/klog"
"kubesphere.io/kubesphere/pkg/constants"
"kubesphere.io/kubesphere/pkg/utils/k8sutil"
"reflect"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/informers"
rbacv1informers "k8s.io/client-go/informers/rbac/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
rbacv1listers "k8s.io/client-go/listers/rbac/v1"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/record"
"k8s.io/client-go/util/workqueue"
"k8s.io/klog"
iamv1alpha2 "kubesphere.io/kubesphere/pkg/apis/iam/v1alpha2"
"kubesphere.io/kubesphere/pkg/models/kubectl"
"time"
)
/**
* USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
* business logic. Delete these comments after modifying this file.*
*/
const (
// SuccessSynced is used as part of the Event 'reason' when a Foo is synced
successSynced = "Synced"
// is synced successfully
messageResourceSynced = "ClusterRoleBinding synced successfully"
controllerName = "clusterrolebinding-controller"
)
// Add creates a new Namespace Controller and adds it to the Manager with default RBAC. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
return add(mgr, newReconciler(mgr))
type Controller struct {
k8sClient kubernetes.Interface
informer rbacv1informers.ClusterRoleBindingInformer
lister rbacv1listers.ClusterRoleBindingLister
synced cache.InformerSynced
// workqueue is a rate limited work queue. This is used to queue work to be
// processed instead of performing it as soon as a change happens. This
// means we can ensure we only process a fixed amount of resources at a
// time, and makes it easy to ensure we are never processing the same item
// simultaneously in two different workers.
workqueue workqueue.RateLimitingInterface
// recorder is an event recorder for recording Event resources to the
// Kubernetes API.
recorder record.EventRecorder
kubectlOperator kubectl.Interface
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
return &ReconcileClusterRoleBinding{Client: mgr.GetClient(), scheme: mgr.GetScheme()}
func NewController(k8sClient kubernetes.Interface, informerFactory informers.SharedInformerFactory) *Controller {
// Create event broadcaster
// Add sample-controller types to the default Kubernetes Scheme so Events can be
// logged for sample-controller types.
klog.V(4).Info("Creating event broadcaster")
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(klog.Infof)
eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: k8sClient.CoreV1().Events("")})
recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerName})
informer := informerFactory.Rbac().V1().ClusterRoleBindings()
ctl := &Controller{
k8sClient: k8sClient,
informer: informer,
lister: informer.Lister(),
synced: informer.Informer().HasSynced,
kubectlOperator: kubectl.NewOperator(k8sClient, informerFactory),
workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "ClusterRoleBinding"),
recorder: recorder,
}
klog.Info("Setting up event handlers")
informer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: ctl.enqueueClusterRoleBinding,
UpdateFunc: func(old, new interface{}) {
ctl.enqueueClusterRoleBinding(new)
},
DeleteFunc: ctl.enqueueClusterRoleBinding,
})
return ctl
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New("clusterrolebinding-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
func (c *Controller) Run(threadiness int, stopCh <-chan struct{}) error {
defer utilruntime.HandleCrash()
defer c.workqueue.ShutDown()
//init client
// Start the informer factories to begin populating the informer caches
klog.Info("Starting User controller")
// Wait for the caches to be synced before starting workers
klog.Info("Waiting for informer caches to sync")
if ok := cache.WaitForCacheSync(stopCh, c.synced); !ok {
return fmt.Errorf("failed to wait for caches to sync")
}
// Watch for changes to Namespace
err = c.Watch(&source.Kind{Type: &rbac.ClusterRoleBinding{}}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
klog.Info("Starting workers")
// Launch two workers to process Foo resources
for i := 0; i < threadiness; i++ {
go wait.Until(c.runWorker, time.Second, stopCh)
}
klog.Info("Started workers")
<-stopCh
klog.Info("Shutting down workers")
return nil
}
var _ reconcile.Reconciler = &ReconcileClusterRoleBinding{}
// ReconcileClusterRoleBinding reconciles a Namespace object
type ReconcileClusterRoleBinding struct {
client.Client
scheme *runtime.Scheme
func (c *Controller) enqueueClusterRoleBinding(obj interface{}) {
var key string
var err error
if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
utilruntime.HandleError(err)
return
}
c.workqueue.Add(key)
}
// Reconcile reads that state of the cluster for a Namespace object and makes changes based on the state read
// and what is in the Namespace.Spec
// +kubebuilder:rbac:groups=core.kubesphere.io,resources=namespaces,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core.kubesphere.io,resources=namespaces/status,verbs=get;update;patch
func (r *ReconcileClusterRoleBinding) Reconcile(request reconcile.Request) (reconcile.Result, error) {
// Fetch the Namespace instance
instance := &rbac.ClusterRoleBinding{}
if err := r.Get(context.TODO(), request.NamespacedName, instance); err != nil {
if errors.IsNotFound(err) {
// Object not found, return. Created objects are automatically garbage collected.
// For additional cleanup logic use finalizers.
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
func (c *Controller) runWorker() {
for c.processNextWorkItem() {
}
workspaceName := instance.Labels[constants.WorkspaceLabelKey]
}
if workspaceName != "" && k8sutil.IsControlledBy(instance.OwnerReferences, "Workspace", workspaceName) {
if instance.Name == getWorkspaceAdminRoleBindingName(workspaceName) ||
instance.Name == getWorkspaceViewerRoleBindingName(workspaceName) {
nsList := &corev1.NamespaceList{}
options := client.ListOptions{LabelSelector: labels.SelectorFromSet(labels.Set{constants.WorkspaceLabelKey: workspaceName})}
func (c *Controller) processNextWorkItem() bool {
obj, shutdown := c.workqueue.Get()
if err := r.List(context.TODO(), nsList, &options); err != nil {
return reconcile.Result{}, err
}
for _, ns := range nsList.Items {
if !ns.DeletionTimestamp.IsZero() {
// skip if the namespace is being deleted
continue
}
if err := r.updateRoleBindings(instance, &ns); err != nil {
return reconcile.Result{}, err
if shutdown {
return false
}
// We wrap this block in a func so we can defer c.workqueue.Done.
err := func(obj interface{}) error {
// We call Done here so the workqueue knows we have finished
// processing this item. We also must remember to call Forget if we
// do not want this work item being re-queued. For example, we do
// not call Forget if a transient error occurs, instead the item is
// put back on the workqueue and attempted again after a back-off
// period.
defer c.workqueue.Done(obj)
var key string
var ok bool
// We expect strings to come off the workqueue. These are of the
// form namespace/name. We do this as the delayed nature of the
// workqueue means the items in the informer cache may actually be
// more up to date that when the item was initially put onto the
// workqueue.
if key, ok = obj.(string); !ok {
// As the item in the workqueue is actually invalid, we call
// Forget here else we'd go into a loop of attempting to
// process a work item that is invalid.
c.workqueue.Forget(obj)
utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
return nil
}
// Run the reconcile, passing it the namespace/name string of the
// Foo resource to be synced.
if err := c.reconcile(key); err != nil {
// Put the item back on the workqueue to handle any transient errors.
c.workqueue.AddRateLimited(key)
return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
}
// Finally, if no error occurs we Forget this item so it does not
// get queued again until another change happens.
c.workqueue.Forget(obj)
klog.Infof("Successfully synced %s:%s", "key", key)
return nil
}(obj)
if err != nil {
utilruntime.HandleError(err)
return true
}
return true
}
// syncHandler compares the actual state with the desired, and attempts to
// converge the two. It then updates the Status block of the Foo resource
// with the current status of the resource.
func (c *Controller) reconcile(key string) error {
// Get the clusterRoleBinding with this name
clusterRoleBinding, err := c.lister.Get(key)
if err != nil {
// The user may no longer exist, in which case we stop
// processing.
if errors.IsNotFound(err) {
utilruntime.HandleError(fmt.Errorf("clusterrolebinding '%s' in work queue no longer exists", key))
return nil
}
klog.Error(err)
return err
}
isClusterAdmin := clusterRoleBinding.RoleRef.Name == iamv1alpha2.ClusterAdmin
if isClusterAdmin {
for _, subject := range clusterRoleBinding.Subjects {
if subject.Kind == iamv1alpha2.ResourceKindUser {
err = c.kubectlOperator.CreateKubectlDeploy(subject.Name)
if err != nil {
klog.Error(err)
return err
}
}
}
}
return reconcile.Result{}, nil
}
func (r *ReconcileClusterRoleBinding) updateRoleBindings(clusterRoleBinding *rbac.ClusterRoleBinding, namespace *corev1.Namespace) error {
workspaceName := namespace.Labels[constants.WorkspaceLabelKey]
if clusterRoleBinding.Name == getWorkspaceAdminRoleBindingName(workspaceName) {
adminBinding := &rbac.RoleBinding{}
adminBinding.Name = "admin"
adminBinding.Namespace = namespace.Name
adminBinding.RoleRef = rbac.RoleRef{Name: "admin", APIGroup: "rbac.authorization.k8s.io", Kind: "Role"}
adminBinding.Subjects = clusterRoleBinding.Subjects
found := &rbac.RoleBinding{}
err := r.Get(context.TODO(), types.NamespacedName{Namespace: namespace.Name, Name: adminBinding.Name}, found)
if errors.IsNotFound(err) {
err = r.Create(context.TODO(), adminBinding)
if err != nil {
log.Error(err)
}
return err
} else if err != nil {
log.Error(err)
return err
}
if !reflect.DeepEqual(found.RoleRef, adminBinding.RoleRef) {
err = r.Delete(context.TODO(), found)
if err != nil {
log.Error(err)
return err
}
return fmt.Errorf("conflict role binding %s.%s, waiting for recreate", namespace.Name, adminBinding.Name)
}
if !reflect.DeepEqual(found.Subjects, adminBinding.Subjects) {
found.Subjects = adminBinding.Subjects
err = r.Update(context.TODO(), found)
if err != nil {
log.Error(err)
return err
}
}
}
if clusterRoleBinding.Name == getWorkspaceViewerRoleBindingName(workspaceName) {
found := &rbac.RoleBinding{}
viewerBinding := &rbac.RoleBinding{}
viewerBinding.Name = "viewer"
viewerBinding.Namespace = namespace.Name
viewerBinding.RoleRef = rbac.RoleRef{Name: "viewer", APIGroup: "rbac.authorization.k8s.io", Kind: "Role"}
viewerBinding.Subjects = clusterRoleBinding.Subjects
err := r.Get(context.TODO(), types.NamespacedName{Namespace: namespace.Name, Name: viewerBinding.Name}, found)
if errors.IsNotFound(err) {
err = r.Create(context.TODO(), viewerBinding)
if err != nil {
log.Error(err)
}
return err
} else if err != nil {
log.Error(err)
return err
}
if !reflect.DeepEqual(found.RoleRef, viewerBinding.RoleRef) {
err = r.Delete(context.TODO(), found)
if err != nil {
log.Error(err)
return err
}
return fmt.Errorf("conflict role binding %s.%s, waiting for recreate", namespace.Name, viewerBinding.Name)
}
if !reflect.DeepEqual(found.Subjects, viewerBinding.Subjects) {
found.Subjects = viewerBinding.Subjects
err = r.Update(context.TODO(), found)
if err != nil {
log.Error(err)
return err
}
}
}
c.recorder.Event(clusterRoleBinding, corev1.EventTypeNormal, successSynced, messageResourceSynced)
return nil
}
func getWorkspaceAdminRoleBindingName(workspaceName string) string {
return fmt.Sprintf("workspace:%s:admin", workspaceName)
func (c *Controller) Start(stopCh <-chan struct{}) error {
return c.Run(4, stopCh)
}
func getWorkspaceViewerRoleBindingName(workspaceName string) string {
return fmt.Sprintf("workspace:%s:viewer", workspaceName)
func encrypt(password string) (string, error) {
// when user is already mapped to another identity, password is empty by default
// unable to log in directly until password reset
if password == "" {
return "", nil
}
bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
return string(bytes), err
}

77
pkg/controller/clusterrolebinding/clusterrolebinding_controller_suite_test.go
View File

@@ -1,77 +0,0 @@
/*
Copyright 2019 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 clusterrolebinding
import (
stdlog "log"
"os"
"path/filepath"
"sync"
"testing"
"github.com/onsi/gomega"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"kubesphere.io/kubesphere/pkg/apis"
"sigs.k8s.io/controller-runtime/pkg/envtest"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
var cfg *rest.Config
func TestMain(m *testing.M) {
t := &envtest.Environment{
CRDDirectoryPaths: []string{filepath.Join("..", "..", "..", "config", "crds")},
}
apis.AddToScheme(scheme.Scheme)
var err error
if cfg, err = t.Start(); err != nil {
stdlog.Fatal(err)
}
code := m.Run()
t.Stop()
os.Exit(code)
}
// SetupTestReconcile returns a reconcile.Reconcile implementation that delegates to inner and
// writes the request to requests after Reconcile is finished.
func SetupTestReconcile(inner reconcile.Reconciler) (reconcile.Reconciler, chan reconcile.Request) {
requests := make(chan reconcile.Request)
fn := reconcile.Func(func(req reconcile.Request) (reconcile.Result, error) {
result, err := inner.Reconcile(req)
requests <- req
return result, err
})
return fn, requests
}
// StartTestManager adds recFn
func StartTestManager(mgr manager.Manager, g *gomega.GomegaWithT) (chan struct{}, *sync.WaitGroup) {
stop := make(chan struct{})
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
g.Expect(mgr.Start(stop)).NotTo(gomega.HaveOccurred())
}()
return stop, wg
}

19
pkg/controller/clusterrolebinding/clusterrolebinding_controller_test.go
View File

@@ -1,19 +0,0 @@
/*
Copyright 2019 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 clusterrolebinding