Remove all cluster v1 code

Signed-off-by: Alexandr Demicev <alexandr.demicev@suse.com>

internal/controllers/cleanup_controller.go

@@ -0,0 +1,74 @@
+/*
+Copyright © 2023 - 2024 SUSE LLC
+
+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 controllers
+
+import (
+	"context"
+	"fmt"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"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/log"
+	"sigs.k8s.io/controller-runtime/pkg/predicate"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
+
+	managementv3 "github.com/rancher/turtles/api/rancher/management/v3"
+)
+
+// CAPICleanupReconciler is a reconciler for cleanup of managementv3 clusters.
+type CAPICleanupReconciler struct {
+	RancherClient client.Client
+	Scheme        *runtime.Scheme
+}
+
+// SetupWithManager sets up reconciler with manager.
+func (r *CAPICleanupReconciler) SetupWithManager(_ context.Context, mgr ctrl.Manager, options controller.Options) error {
+	if err := ctrl.NewControllerManagedBy(mgr).
+		Named("cleanup").
+		For(&managementv3.Cluster{}).
+		WithOptions(options).
+		WithEventFilter(predicate.NewPredicateFuncs(func(object client.Object) bool {
+			_, exist := object.GetLabels()[ownedLabelName]
+			return exist
+		})).
+		Complete(reconcile.AsReconciler(r.RancherClient, r)); err != nil {
+		return fmt.Errorf("creating new downgrade controller: %w", err)
+	}
+
+	return nil
+}
+
+// Reconcile performs check for clusters and removes finalizer on the clusters in deleteion
+// still containing the turtles finalizer.
+func (r *CAPICleanupReconciler) Reconcile(ctx context.Context, cluster *managementv3.Cluster) (res ctrl.Result, err error) {
+	log := log.FromContext(ctx)
+
+	patchBase := client.MergeFromWithOptions(cluster.DeepCopy(), client.MergeFromWithOptimisticLock{})
+
+	if cluster.DeletionTimestamp.IsZero() || !controllerutil.RemoveFinalizer(cluster, managementv3.CapiClusterFinalizer) {
+		return
+	}
+
+	if err = r.RancherClient.Patch(ctx, cluster, patchBase); err != nil {
+		log.Error(err, "Unable to remove turtles finalizer from cluster"+cluster.GetName())
+	}
+
+	return
+}