add.go

// SPDX-FileCopyrightText: SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0

package controllerdeployment

import (
	"k8s.io/utils/ptr"
	"sigs.k8s.io/controller-runtime/pkg/builder"
	"sigs.k8s.io/controller-runtime/pkg/controller"
	"sigs.k8s.io/controller-runtime/pkg/manager"
	"sigs.k8s.io/controller-runtime/pkg/predicate"

	gardencorev1 "github.com/gardener/gardener/pkg/apis/core/v1"
	"github.com/gardener/gardener/pkg/controllerutils"
)

const (
	// ControllerName is the name of this controller.
	ControllerName = "controllerdeployment"
	// FinalizerName is the finalizer used by this controller.
	FinalizerName = "core.gardener.cloud/controllerdeployment"
)

// AddToManager adds Reconciler to the given manager.
func (r *Reconciler) AddToManager(mgr manager.Manager) error {
	if r.Client == nil {
		r.Client = mgr.GetClient()
	}

	return builder.
		ControllerManagedBy(mgr).
		Named(ControllerName).
		For(&gardencorev1.ControllerDeployment{}, builder.WithPredicates(predicate.GenerationChangedPredicate{})).
		WithOptions(controller.Options{
			MaxConcurrentReconciles: ptr.Deref(r.Config.ConcurrentSyncs, 0),
			RateLimiter:             r.RateLimiter,
			ReconciliationTimeout:   controllerutils.DefaultReconciliationTimeout,
		}).
		Complete(r)
}