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add.go
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add.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package lease
import (
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/clock"
"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"
predicateutils "github.com/gardener/gardener/pkg/controllerutils/predicate"
)
// ControllerName is the name of the controller.
const ControllerName = "lease"
// AddToManager adds the lease controller with the default Options to the manager.
func (r *Reconciler) AddToManager(mgr manager.Manager, nodePredicate predicate.Predicate) error {
if r.Client == nil {
r.Client = mgr.GetClient()
}
if r.LeaseDurationSeconds == 0 {
r.LeaseDurationSeconds = 40
}
if r.Clock == nil {
r.Clock = clock.RealClock{}
}
if r.Namespace == "" {
r.Namespace = metav1.NamespaceSystem
}
return builder.
ControllerManagedBy(mgr).
Named(ControllerName).
For(&corev1.Node{}, builder.WithPredicates(nodePredicate, predicateutils.ForEventTypes(predicateutils.Create))).
WithOptions(controller.Options{MaxConcurrentReconciles: 1}).
Complete(r)
}