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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 maintenance
import (
apiequality "k8s.io/apimachinery/pkg/api/equality"
"k8s.io/utils/clock"
"k8s.io/utils/ptr"
"sigs.k8s.io/controller-runtime/pkg/builder"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/predicate"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
)
// ControllerName is the name of this controller.
const ControllerName = "shoot-maintenance"
// AddToManager adds Reconciler to the given manager.
func (r *Reconciler) AddToManager(mgr manager.Manager) error {
if r.Client == nil {
r.Client = mgr.GetClient()
}
if r.Clock == nil {
r.Clock = clock.RealClock{}
}
if r.Recorder == nil {
r.Recorder = mgr.GetEventRecorderFor(ControllerName + "-controller")
}
return builder.
ControllerManagedBy(mgr).
Named(ControllerName).
For(&gardencorev1beta1.Shoot{}, builder.WithPredicates(r.ShootPredicate())).
WithOptions(controller.Options{
MaxConcurrentReconciles: ptr.Deref(r.Config.ConcurrentSyncs, 0),
}).
Complete(r)
}
// ShootPredicate returns the predicates for the core.gardener.cloud/v1beta1.Shoot watch.
func (r *Reconciler) ShootPredicate() predicate.Predicate {
return predicate.Funcs{
UpdateFunc: func(e event.UpdateEvent) bool {
shoot, ok := e.ObjectNew.(*gardencorev1beta1.Shoot)
if !ok {
return false
}
oldShoot, ok := e.ObjectOld.(*gardencorev1beta1.Shoot)
if !ok {
return false
}
return (hasMaintainNowAnnotation(shoot) && !hasMaintainNowAnnotation(oldShoot)) ||
!apiequality.Semantic.DeepEqual(oldShoot.Spec.Maintenance.TimeWindow, shoot.Spec.Maintenance.TimeWindow)
},
}
}