mirror of https://github.com/rancher/turtles.git
126 lines
3.8 KiB
Go
126 lines
3.8 KiB
Go
/*
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Copyright © 2023 - 2024 SUSE LLC
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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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package controllers
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import (
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"context"
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"fmt"
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"os"
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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/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/types"
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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"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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"sigs.k8s.io/controller-runtime/pkg/log"
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"sigs.k8s.io/controller-runtime/pkg/predicate"
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)
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// UIPluginReconciler reconciles a UIPlugin object.
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type UIPluginReconciler struct {
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client.Client
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*runtime.Scheme
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UncachedClient client.Client
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}
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// SetupWithManager sets up the controller with the Manager.
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func (r *UIPluginReconciler) SetupWithManager(_ context.Context, mgr ctrl.Manager, _ controller.Options) error {
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uiPlugin := &metav1.PartialObjectMetadata{}
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uiPlugin.SetGroupVersionKind(schema.GroupVersionKind{
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Group: "catalog.cattle.io",
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Version: "v1",
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Kind: "UIPlugin",
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})
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if err := ctrl.NewControllerManagedBy(mgr).
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Named("ui-plugin").
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For(uiPlugin).
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WithEventFilter(predicate.NewPredicateFuncs(func(plugin client.Object) bool {
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return plugin.GetNamespace() == os.Getenv("POD_NAMESPACE")
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})).
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Complete(r); err != nil {
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return fmt.Errorf("creating UIPlugin controller: %w", err)
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}
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return nil
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}
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//+kubebuilder:rbac:groups=catalog.cattle.io,resources=uiplugins,verbs=get;list;watch;create;patch;delete
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//+kubebuilder:rbac:groups=rbac.authorization.k8s.io,resourceNames=rancher-turtles-manager-role,resources=clusterroles,verbs=get;list
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// Reconcile moves the UIPlugin into cattle-ui-plugin-system namespace.
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func (r *UIPluginReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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log := log.FromContext(ctx)
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plugin := &unstructured.Unstructured{}
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plugin.SetKind("UIPlugin")
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plugin.SetAPIVersion("catalog.cattle.io/v1")
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if err := r.Get(ctx, req.NamespacedName, plugin); err != nil {
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log.Error(err, "Unable to get UIPlugin")
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return ctrl.Result{}, client.IgnoreNotFound(err)
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}
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if plugin.GetDeletionTimestamp() != nil {
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return ctrl.Result{}, nil
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}
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role := &rbacv1.ClusterRole{}
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if err := r.UncachedClient.Get(ctx, types.NamespacedName{
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Name: "rancher-turtles-manager-role",
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}, role); err != nil {
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log.Error(err, "Unable to get turtles clusterRole")
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return ctrl.Result{}, err
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}
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destination := &unstructured.Unstructured{}
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destination.SetGroupVersionKind(plugin.GroupVersionKind())
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destination.SetName(plugin.GetName())
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destination.SetNamespace("cattle-ui-plugin-system")
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destination.Object["spec"] = plugin.Object["spec"]
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if err := controllerutil.SetOwnerReference(role, destination, r.Scheme); err != nil {
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log.Error(err, "Unable to set ClusterRole owner on UIPlugin")
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return ctrl.Result{}, err
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}
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if err := r.Patch(ctx, destination, client.Apply, []client.PatchOption{
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client.ForceOwnership,
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client.FieldOwner("ui-plugin-controller"),
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}...); err != nil {
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log.Error(err, "Unable to patch UIPlugin")
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return ctrl.Result{}, err
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}
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if err := r.Delete(ctx, plugin); err != nil {
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log.Error(err, "Unable to cleanup source UIPlugin")
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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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