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add cluster and klusterletaddonconfig webhook
Signed-off-by: ldpliu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /* | ||
| Copyright 2023. | ||
| 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 addons | ||
|
|
||
| import ( | ||
| "context" | ||
| "reflect" | ||
|
|
||
| "k8s.io/apimachinery/pkg/util/sets" | ||
| "k8s.io/klog" | ||
| "open-cluster-management.io/api/addon/v1alpha1" | ||
| 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/event" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
| "sigs.k8s.io/controller-runtime/pkg/predicate" | ||
|
|
||
| "github.com/stolostron/multicluster-global-hub/pkg/constants" | ||
| ) | ||
|
|
||
| var addonList = sets.NewString( | ||
| "work-manager", | ||
| "cluster-proxy", | ||
| "managed-serviceaccount", | ||
| ) | ||
|
|
||
| var newNamespaceConfig = v1alpha1.PlacementStrategy{ | ||
| PlacementRef: v1alpha1.PlacementRef{ | ||
| Namespace: "open-cluster-management-global-set", | ||
| Name: "global", | ||
| }, | ||
| Configs: []v1alpha1.AddOnConfig{ | ||
| { | ||
| ConfigReferent: v1alpha1.ConfigReferent{ | ||
| Name: "global-hub", | ||
| Namespace: constants.GHDefaultNamespace, | ||
| }, | ||
| ConfigGroupResource: v1alpha1.ConfigGroupResource{ | ||
| Group: "addon.open-cluster-management.io", | ||
| Resource: "addondeploymentconfigs", | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| // BackupReconciler reconciles a MulticlusterGlobalHub object | ||
| type AddonsReconciler struct { | ||
| manager.Manager | ||
| client.Client | ||
| importClusterInHosted bool | ||
| } | ||
|
|
||
| func NewAddonsReconciler(mgr manager.Manager, importClusterInHosted bool) *AddonsReconciler { | ||
| return &AddonsReconciler{ | ||
| Manager: mgr, | ||
| Client: mgr.GetClient(), | ||
| importClusterInHosted: importClusterInHosted, | ||
| } | ||
| } | ||
|
|
||
| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *AddonsReconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr).Named("AddonsController"). | ||
| For(&v1alpha1.ClusterManagementAddOn{}, | ||
| builder.WithPredicates(addonPred)). | ||
| Complete(r) | ||
| } | ||
|
|
||
| var addonPred = predicate.Funcs{ | ||
| CreateFunc: func(e event.CreateEvent) bool { | ||
| return addonList.Has(e.Object.GetName()) | ||
| }, | ||
| UpdateFunc: func(e event.UpdateEvent) bool { | ||
| return addonList.Has(e.ObjectNew.GetName()) | ||
| }, | ||
| DeleteFunc: func(e event.DeleteEvent) bool { | ||
| return false | ||
| }, | ||
| } | ||
|
|
||
| func (r *AddonsReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
| klog.V(2).Infof("Reconcile ClusterManagementAddOn: %v", req.NamespacedName) | ||
| cma := &v1alpha1.ClusterManagementAddOn{} | ||
| err := r.Client.Get(ctx, req.NamespacedName, cma) | ||
| if err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
|
|
||
| needUpdate := false | ||
| if r.importClusterInHosted { | ||
| needUpdate = addAddonConfig(cma) | ||
| } else { | ||
| needUpdate = removeAddonConfig(cma) | ||
| } | ||
|
|
||
| if !needUpdate { | ||
| return ctrl.Result{}, nil | ||
| } | ||
| err = r.Client.Update(ctx, cma) | ||
| if err != nil { | ||
| klog.Errorf("Failed to update cma, err:%v", err) | ||
| return ctrl.Result{}, err | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
||
| // addAddonConfig add the config to cma, will return true if the cma updated | ||
| func addAddonConfig(cma *v1alpha1.ClusterManagementAddOn) bool { | ||
| if len(cma.Spec.InstallStrategy.Placements) == 0 { | ||
| cma.Spec.InstallStrategy.Placements = append(cma.Spec.InstallStrategy.Placements, newNamespaceConfig) | ||
| return true | ||
| } | ||
| for _, pl := range cma.Spec.InstallStrategy.Placements { | ||
| if !reflect.DeepEqual(pl.PlacementRef, newNamespaceConfig.PlacementRef) { | ||
| continue | ||
| } | ||
| if reflect.DeepEqual(pl.Configs, newNamespaceConfig.Configs) { | ||
| return false | ||
| } | ||
| pl.Configs = append(pl.Configs, newNamespaceConfig.Configs...) | ||
| return true | ||
| } | ||
| cma.Spec.InstallStrategy.Placements = append(cma.Spec.InstallStrategy.Placements, newNamespaceConfig) | ||
| return true | ||
| } | ||
|
|
||
| // removeAddonConfig remove the config from cma, will return true if the cma updated | ||
| func removeAddonConfig(cma *v1alpha1.ClusterManagementAddOn) bool { | ||
| updated := false | ||
| if len(cma.Spec.InstallStrategy.Placements) == 0 { | ||
| return false | ||
| } | ||
| for i, pl := range cma.Spec.InstallStrategy.Placements { | ||
| if !reflect.DeepEqual(pl.PlacementRef, newNamespaceConfig.PlacementRef) { | ||
| continue | ||
| } | ||
| var removedConfigs []v1alpha1.AddOnConfig | ||
| for _, cfg := range pl.Configs { | ||
| if cfg != newNamespaceConfig.Configs[0] { | ||
| removedConfigs = append(removedConfigs, cfg) | ||
| continue | ||
| } | ||
| updated = true | ||
| } | ||
| if updated { | ||
| cma.Spec.InstallStrategy.Placements[i].Configs = removedConfigs | ||
| } | ||
| return updated | ||
| } | ||
| return false | ||
| } |
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