223 lines
7.6 KiB
Go
223 lines
7.6 KiB
Go
/*
|
|
* Copyright 2024 the KubeSphere Authors.
|
|
* Please refer to the LICENSE file in the root directory of the project.
|
|
* https://github.com/kubesphere/kubesphere/blob/master/LICENSE
|
|
*/
|
|
|
|
package globalrole
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/go-logr/logr"
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/api/errors"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/client-go/tools/record"
|
|
"k8s.io/klog/v2"
|
|
clusterv1alpha1 "kubesphere.io/api/cluster/v1alpha1"
|
|
iamv1beta1 "kubesphere.io/api/iam/v1beta1"
|
|
ctrl "sigs.k8s.io/controller-runtime"
|
|
"sigs.k8s.io/controller-runtime/pkg/builder"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"sigs.k8s.io/controller-runtime/pkg/controller"
|
|
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
|
|
"sigs.k8s.io/controller-runtime/pkg/handler"
|
|
"sigs.k8s.io/controller-runtime/pkg/reconcile"
|
|
|
|
rbachelper "kubesphere.io/kubesphere/pkg/componenthelper/auth/rbac"
|
|
kscontroller "kubesphere.io/kubesphere/pkg/controller"
|
|
"kubesphere.io/kubesphere/pkg/controller/cluster/predicate"
|
|
clusterutils "kubesphere.io/kubesphere/pkg/controller/cluster/utils"
|
|
"kubesphere.io/kubesphere/pkg/utils/clusterclient"
|
|
)
|
|
|
|
const (
|
|
controllerName = "globalrole"
|
|
finalizer = "finalizers.kubesphere.io/globalroles"
|
|
)
|
|
|
|
var _ kscontroller.Controller = &Reconciler{}
|
|
var _ reconcile.Reconciler = &Reconciler{}
|
|
|
|
func (r *Reconciler) Name() string {
|
|
return controllerName
|
|
}
|
|
|
|
func (r *Reconciler) Enabled(clusterRole string) bool {
|
|
return strings.EqualFold(clusterRole, string(clusterv1alpha1.ClusterRoleHost))
|
|
}
|
|
|
|
type Reconciler struct {
|
|
client.Client
|
|
logger logr.Logger
|
|
recorder record.EventRecorder
|
|
helper *rbachelper.Helper
|
|
clusterClient clusterclient.Interface
|
|
}
|
|
|
|
func (r *Reconciler) SetupWithManager(mgr *kscontroller.Manager) error {
|
|
r.clusterClient = mgr.ClusterClient
|
|
r.Client = mgr.GetClient()
|
|
r.helper = rbachelper.NewHelper(r.Client)
|
|
r.logger = mgr.GetLogger().WithName(controllerName)
|
|
r.recorder = mgr.GetEventRecorderFor(controllerName)
|
|
return builder.
|
|
ControllerManagedBy(mgr).
|
|
For(&iamv1beta1.GlobalRole{}).
|
|
Watches(
|
|
&clusterv1alpha1.Cluster{},
|
|
handler.EnqueueRequestsFromMapFunc(r.mapper),
|
|
builder.WithPredicates(predicate.ClusterStatusChangedPredicate{}),
|
|
).
|
|
WithOptions(controller.Options{MaxConcurrentReconciles: 2}).
|
|
Named(controllerName).
|
|
Complete(r)
|
|
}
|
|
|
|
func (r *Reconciler) mapper(ctx context.Context, o client.Object) []reconcile.Request {
|
|
cluster := o.(*clusterv1alpha1.Cluster)
|
|
var requests []reconcile.Request
|
|
if !clusterutils.IsClusterReady(cluster) {
|
|
return requests
|
|
}
|
|
globalRoles := &iamv1beta1.GlobalRoleList{}
|
|
if err := r.List(ctx, globalRoles); err != nil {
|
|
r.logger.Error(err, "failed to list global roles")
|
|
return requests
|
|
}
|
|
for _, globalRole := range globalRoles.Items {
|
|
requests = append(requests, reconcile.Request{NamespacedName: types.NamespacedName{Name: globalRole.Name}})
|
|
}
|
|
return requests
|
|
}
|
|
|
|
func (r *Reconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
|
|
globalRole := &iamv1beta1.GlobalRole{}
|
|
if err := r.Get(ctx, req.NamespacedName, globalRole); err != nil {
|
|
return ctrl.Result{}, client.IgnoreNotFound(err)
|
|
}
|
|
|
|
if globalRole.ObjectMeta.DeletionTimestamp.IsZero() {
|
|
// The object is not being deleted, so if it does not have our finalizer,
|
|
// then lets add the finalizer and update the object.
|
|
if !controllerutil.ContainsFinalizer(globalRole, finalizer) {
|
|
expected := globalRole.DeepCopy()
|
|
controllerutil.AddFinalizer(expected, finalizer)
|
|
return ctrl.Result{}, r.Patch(ctx, expected, client.MergeFrom(globalRole))
|
|
}
|
|
} else {
|
|
// The object is being deleted
|
|
if controllerutil.ContainsFinalizer(globalRole, finalizer) {
|
|
if err := r.deleteRelatedResources(ctx, globalRole); err != nil {
|
|
return ctrl.Result{}, fmt.Errorf("failed to delete related resources: %s", err)
|
|
}
|
|
// remove our finalizer from the list and update it.
|
|
controllerutil.RemoveFinalizer(globalRole, finalizer)
|
|
if err := r.Update(ctx, globalRole, &client.UpdateOptions{}); err != nil {
|
|
return ctrl.Result{}, err
|
|
}
|
|
}
|
|
return ctrl.Result{}, nil
|
|
}
|
|
|
|
if globalRole.AggregationRoleTemplates != nil {
|
|
if err := r.helper.AggregationRole(ctx, rbachelper.GlobalRoleRuleOwner{GlobalRole: globalRole}, r.recorder); err != nil {
|
|
return ctrl.Result{}, err
|
|
}
|
|
}
|
|
|
|
if err := r.multiClusterSync(ctx, globalRole); err != nil {
|
|
return ctrl.Result{}, err
|
|
}
|
|
return ctrl.Result{}, nil
|
|
}
|
|
|
|
func (r *Reconciler) deleteRelatedResources(ctx context.Context, globalRole *iamv1beta1.GlobalRole) error {
|
|
clusters, err := r.clusterClient.ListClusters(ctx)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to list clusters: %s", err)
|
|
}
|
|
var notReadyClusters []string
|
|
for _, cluster := range clusters {
|
|
if clusterutils.IsHostCluster(&cluster) {
|
|
continue
|
|
}
|
|
// skip if cluster is not ready
|
|
if !clusterutils.IsClusterReady(&cluster) {
|
|
notReadyClusters = append(notReadyClusters, cluster.Name)
|
|
continue
|
|
}
|
|
clusterClient, err := r.clusterClient.GetRuntimeClient(cluster.Name)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get cluster client: %s", err)
|
|
}
|
|
if err = clusterClient.Delete(ctx, &iamv1beta1.GlobalRole{ObjectMeta: metav1.ObjectMeta{Name: globalRole.Name}}); err != nil {
|
|
if errors.IsNotFound(err) {
|
|
continue
|
|
}
|
|
return err
|
|
}
|
|
}
|
|
if len(notReadyClusters) > 0 {
|
|
err = fmt.Errorf("cluster not ready: %s", strings.Join(notReadyClusters, ","))
|
|
klog.FromContext(ctx).Error(err, "failed to delete related resources")
|
|
r.recorder.Event(globalRole, corev1.EventTypeWarning, kscontroller.SyncFailed, fmt.Sprintf("cluster not ready: %s", strings.Join(notReadyClusters, ",")))
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (r *Reconciler) multiClusterSync(ctx context.Context, globalRole *iamv1beta1.GlobalRole) error {
|
|
clusters, err := r.clusterClient.ListClusters(ctx)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to list clusters: %s", err)
|
|
}
|
|
var notReadyClusters []string
|
|
for _, cluster := range clusters {
|
|
// skip if cluster is not ready
|
|
if !clusterutils.IsClusterReady(&cluster) {
|
|
notReadyClusters = append(notReadyClusters, cluster.Name)
|
|
continue
|
|
}
|
|
if clusterutils.IsHostCluster(&cluster) {
|
|
continue
|
|
}
|
|
if err := r.syncGlobalRole(ctx, cluster, globalRole); err != nil {
|
|
return fmt.Errorf("failed to sync global role %s to cluster %s: %s", globalRole.Name, cluster.Name, err)
|
|
}
|
|
}
|
|
if len(notReadyClusters) > 0 {
|
|
klog.FromContext(ctx).V(4).Info("cluster not ready", "clusters", strings.Join(notReadyClusters, ","))
|
|
r.recorder.Event(globalRole, corev1.EventTypeWarning, kscontroller.SyncFailed, fmt.Sprintf("cluster not ready: %s", strings.Join(notReadyClusters, ",")))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (r *Reconciler) syncGlobalRole(ctx context.Context, cluster clusterv1alpha1.Cluster, globalRole *iamv1beta1.GlobalRole) error {
|
|
if clusterutils.IsHostCluster(&cluster) {
|
|
return nil
|
|
}
|
|
clusterClient, err := r.clusterClient.GetRuntimeClient(cluster.Name)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get cluster client: %s", err)
|
|
}
|
|
target := &iamv1beta1.GlobalRole{ObjectMeta: metav1.ObjectMeta{Name: globalRole.Name}}
|
|
op, err := controllerutil.CreateOrUpdate(ctx, clusterClient, target, func() error {
|
|
target.Labels = globalRole.Labels
|
|
target.Annotations = globalRole.Annotations
|
|
target.Rules = globalRole.Rules
|
|
target.AggregationRoleTemplates = globalRole.AggregationRoleTemplates
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to update global role: %s", err)
|
|
}
|
|
|
|
r.logger.V(4).Info("global role successfully synced", "cluster", cluster.Name, "operation", op, "name", globalRole.Name)
|
|
return nil
|
|
}
|