292 lines
11 KiB
Go
292 lines
11 KiB
Go
/*
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* Copyright 2024 the KubeSphere Authors.
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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 workspacerole
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import (
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"context"
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"fmt"
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"strings"
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"github.com/go-logr/logr"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/retry"
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"k8s.io/klog/v2"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/builder"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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clusterv1alpha1 "kubesphere.io/api/cluster/v1alpha1"
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iamv1beta1 "kubesphere.io/api/iam/v1beta1"
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tenantv1beta1 "kubesphere.io/api/tenant/v1beta1"
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rbachelper "kubesphere.io/kubesphere/pkg/componenthelper/auth/rbac"
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"kubesphere.io/kubesphere/pkg/constants"
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kscontroller "kubesphere.io/kubesphere/pkg/controller"
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"kubesphere.io/kubesphere/pkg/controller/cluster/predicate"
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clusterutils "kubesphere.io/kubesphere/pkg/controller/cluster/utils"
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workspacetemplatepredicate "kubesphere.io/kubesphere/pkg/controller/workspacetemplate/predicate"
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"kubesphere.io/kubesphere/pkg/controller/workspacetemplate/utils"
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"kubesphere.io/kubesphere/pkg/utils/clusterclient"
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"kubesphere.io/kubesphere/pkg/utils/k8sutil"
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)
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const (
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controllerName = "workspacerole"
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finalizer = "finalizers.kubesphere.io/workspaceroles"
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)
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var _ kscontroller.Controller = &Reconciler{}
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var _ reconcile.Reconciler = &Reconciler{}
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func (r *Reconciler) Name() string {
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return controllerName
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}
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// Reconciler reconciles a WorkspaceRole object
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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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ClusterClient clusterclient.Interface
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}
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func (r *Reconciler) Enabled(clusterRole string) bool {
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return strings.EqualFold(clusterRole, string(clusterv1alpha1.ClusterRoleHost))
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}
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func (r *Reconciler) SetupWithManager(mgr *kscontroller.Manager) error {
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r.ClusterClient = mgr.ClusterClient
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r.Client = mgr.GetClient()
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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.helper = rbachelper.NewHelper(r.Client)
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return ctrl.NewControllerManagedBy(mgr).
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Named(controllerName).
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WithOptions(controller.Options{MaxConcurrentReconciles: 2}).
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For(&iamv1beta1.WorkspaceRole{}).
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Watches(
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&clusterv1alpha1.Cluster{},
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handler.EnqueueRequestsFromMapFunc(r.clusterSync),
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builder.WithPredicates(predicate.ClusterStatusChangedPredicate{}),
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).
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Watches(&tenantv1beta1.WorkspaceTemplate{},
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handler.EnqueueRequestsFromMapFunc(r.workspaceSync),
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builder.WithPredicates(workspacetemplatepredicate.WorkspaceStatusChangedPredicate{})).
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Complete(r)
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}
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func (r *Reconciler) clusterSync(ctx context.Context, o client.Object) []reconcile.Request {
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cluster := o.(*clusterv1alpha1.Cluster)
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if !clusterutils.IsClusterReady(cluster) {
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return []reconcile.Request{}
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}
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workspaceRoles := &iamv1beta1.WorkspaceRoleList{}
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if err := r.List(ctx, workspaceRoles); err != nil {
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r.logger.Error(err, "failed to list workspace roles")
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return []reconcile.Request{}
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}
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var result []reconcile.Request
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for _, workspaceRole := range workspaceRoles.Items {
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workspaceTemplate := &tenantv1beta1.WorkspaceTemplate{}
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workspaceName := workspaceRole.Labels[tenantv1beta1.WorkspaceLabel]
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if err := r.Get(ctx, types.NamespacedName{Name: workspaceName}, workspaceTemplate); err != nil {
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klog.Warningf("failed to get workspace template %s: %s", workspaceName, err)
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continue
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}
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if utils.WorkspaceTemplateMatchTargetCluster(workspaceTemplate, cluster) {
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result = append(result, reconcile.Request{NamespacedName: types.NamespacedName{Name: workspaceRole.Name}})
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}
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}
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return result
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}
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func (r *Reconciler) workspaceSync(ctx context.Context, object client.Object) []reconcile.Request {
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workspaceTemplate := object.(*tenantv1beta1.WorkspaceTemplate)
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workspaceRoles := &iamv1beta1.WorkspaceRoleList{}
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if err := r.List(ctx, workspaceRoles, client.MatchingLabels{
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tenantv1beta1.WorkspaceLabel: workspaceTemplate.Name,
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}); err != nil {
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r.logger.Error(err, "failed to list workspace roles")
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return []reconcile.Request{}
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}
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var result []reconcile.Request
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for _, workspaceRole := range workspaceRoles.Items {
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result = append(result, reconcile.Request{NamespacedName: types.NamespacedName{Name: workspaceRole.Name}})
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}
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return result
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}
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// +kubebuilder:rbac:groups=iam.kubesphere.io,resources=workspaceroles,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=tenant.kubesphere.io,resources=workspaces,verbs=get;list;watch;
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func (r *Reconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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logger := r.logger.WithValues("workspacerole", req.NamespacedName)
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workspaceRole := &iamv1beta1.WorkspaceRole{}
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if err := r.Get(ctx, req.NamespacedName, workspaceRole); err != nil {
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return ctrl.Result{}, client.IgnoreNotFound(err)
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}
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if workspaceRole.ObjectMeta.DeletionTimestamp.IsZero() {
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// The object is not being deleted, so if it does not have our finalizer,
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// then lets add the finalizer and update the object.
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if !controllerutil.ContainsFinalizer(workspaceRole, finalizer) {
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expected := workspaceRole.DeepCopy()
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controllerutil.AddFinalizer(expected, finalizer)
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return ctrl.Result{}, r.Patch(ctx, expected, client.MergeFrom(workspaceRole))
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}
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} else {
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// The object is being deleted
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if controllerutil.ContainsFinalizer(workspaceRole, finalizer) {
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if err := r.deleteRelatedResources(ctx, workspaceRole); err != nil {
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return ctrl.Result{}, fmt.Errorf("failed to delete related resources: %s", err)
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}
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// remove our finalizer from the list and update it.
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controllerutil.RemoveFinalizer(workspaceRole, finalizer)
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if err := r.Update(ctx, workspaceRole, &client.UpdateOptions{}); err != nil {
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return ctrl.Result{}, err
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}
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}
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return ctrl.Result{}, nil
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}
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if err := r.bindWorkspace(ctx, logger, workspaceRole); err != nil {
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return ctrl.Result{}, err
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}
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if workspaceRole.AggregationRoleTemplates != nil {
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if err := r.helper.AggregationRole(ctx, rbachelper.WorkspaceRoleRuleOwner{WorkspaceRole: workspaceRole}, r.recorder); err != nil {
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return ctrl.Result{}, err
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}
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}
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if err := r.multiClusterSync(ctx, workspaceRole); err != nil {
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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 (r *Reconciler) deleteRelatedResources(ctx context.Context, workspaceRole *iamv1beta1.WorkspaceRole) error {
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clusters, err := r.ClusterClient.ListClusters(ctx)
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if err != nil {
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return fmt.Errorf("failed to list clusters: %s", err)
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}
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var notReadyClusters []string
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for _, cluster := range clusters {
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if clusterutils.IsHostCluster(&cluster) {
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continue
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}
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// skip if cluster is not ready
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if !clusterutils.IsClusterReady(&cluster) {
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notReadyClusters = append(notReadyClusters, cluster.Name)
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continue
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}
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clusterClient, err := r.ClusterClient.GetRuntimeClient(cluster.Name)
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if err != nil {
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return fmt.Errorf("failed to get cluster client: %s", err)
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}
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if err = clusterClient.Delete(ctx, &iamv1beta1.WorkspaceRole{ObjectMeta: metav1.ObjectMeta{Name: workspaceRole.Name}}); err != nil {
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if errors.IsNotFound(err) {
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continue
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}
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return err
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}
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}
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if len(notReadyClusters) > 0 {
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err = fmt.Errorf("cluster not ready: %s", strings.Join(notReadyClusters, ","))
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klog.FromContext(ctx).Error(err, "failed to delete related resources")
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r.recorder.Event(workspaceRole, corev1.EventTypeWarning, kscontroller.SyncFailed, fmt.Sprintf("cluster not ready: %s", strings.Join(notReadyClusters, ",")))
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return err
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}
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return nil
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}
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func (r *Reconciler) bindWorkspace(ctx context.Context, logger logr.Logger, workspaceRole *iamv1beta1.WorkspaceRole) error {
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workspaceName := workspaceRole.Labels[constants.WorkspaceLabelKey]
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if workspaceName == "" {
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return nil
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}
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var workspace tenantv1beta1.WorkspaceTemplate
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err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
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if err := r.Get(ctx, types.NamespacedName{Name: workspaceName}, &workspace); err != nil {
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return client.IgnoreNotFound(err)
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}
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if !metav1.IsControlledBy(workspaceRole, &workspace) {
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workspaceRole.OwnerReferences = k8sutil.RemoveWorkspaceOwnerReference(workspaceRole.OwnerReferences)
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if err := controllerutil.SetControllerReference(&workspace, workspaceRole, r.Scheme()); err != nil {
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return err
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}
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return r.Update(ctx, workspaceRole)
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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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return fmt.Errorf("failed to update workspace role %s: %s", workspaceRole.Name, err)
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}
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return nil
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}
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func (r *Reconciler) multiClusterSync(ctx context.Context, workspaceRole *iamv1beta1.WorkspaceRole) error {
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clusters, err := r.ClusterClient.ListClusters(ctx)
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if err != nil {
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return fmt.Errorf("failed to list clusters: %s", err)
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}
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var notReadyClusters []string
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for _, cluster := range clusters {
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// skip if cluster is not ready
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if !clusterutils.IsClusterReady(&cluster) {
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notReadyClusters = append(notReadyClusters, cluster.Name)
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continue
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}
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if clusterutils.IsHostCluster(&cluster) {
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continue
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}
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if err := r.syncWorkspaceRole(ctx, cluster, workspaceRole); err != nil {
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return fmt.Errorf("failed to sync workspace role %s to cluster %s: %s", workspaceRole.Name, cluster.Name, err)
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}
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}
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if len(notReadyClusters) > 0 {
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klog.FromContext(ctx).V(4).Info("cluster not ready", "clusters", strings.Join(notReadyClusters, ","))
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r.recorder.Event(workspaceRole, corev1.EventTypeWarning, kscontroller.SyncFailed, fmt.Sprintf("cluster not ready: %s", strings.Join(notReadyClusters, ",")))
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}
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return nil
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}
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func (r *Reconciler) syncWorkspaceRole(ctx context.Context, cluster clusterv1alpha1.Cluster, workspaceRole *iamv1beta1.WorkspaceRole) error {
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clusterClient, err := r.ClusterClient.GetRuntimeClient(cluster.Name)
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if err != nil {
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return fmt.Errorf("failed to get cluster client: %s", err)
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}
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workspaceTemplate := &tenantv1beta1.WorkspaceTemplate{}
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if err := r.Get(ctx, types.NamespacedName{Name: workspaceRole.Labels[tenantv1beta1.WorkspaceLabel]}, workspaceTemplate); err != nil {
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return client.IgnoreNotFound(err)
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}
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if utils.WorkspaceTemplateMatchTargetCluster(workspaceTemplate, &cluster) {
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target := &iamv1beta1.WorkspaceRole{ObjectMeta: metav1.ObjectMeta{Name: workspaceRole.Name}}
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op, err := controllerutil.CreateOrUpdate(ctx, clusterClient, target, func() error {
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target.Labels = workspaceRole.Labels
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target.Annotations = workspaceRole.Annotations
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target.Rules = workspaceRole.Rules
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target.AggregationRoleTemplates = workspaceRole.AggregationRoleTemplates
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return nil
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})
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if err != nil {
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return err
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}
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klog.FromContext(ctx).V(4).Info("workspace role successfully synced", "cluster", cluster.Name, "operation", op, "name", workspaceRole.Name)
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} else {
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return client.IgnoreNotFound(clusterClient.DeleteAllOf(ctx, &iamv1beta1.WorkspaceRole{}, client.MatchingLabels{tenantv1beta1.WorkspaceLabel: workspaceTemplate.Name}))
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}
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return nil
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}
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