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add.go
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add.go
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// Copyright 2022 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 stale
import (
"reflect"
"k8s.io/utils/clock"
"k8s.io/utils/pointer"
"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 = "project-stale"
// 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{}
}
return builder.
ControllerManagedBy(mgr).
Named(ControllerName).
For(&gardencorev1beta1.Project{}, builder.WithPredicates(r.ProjectPredicate())).
WithOptions(controller.Options{
MaxConcurrentReconciles: pointer.IntDeref(r.Config.ConcurrentSyncs, 0),
}).
Complete(r)
}
// ProjectPredicate returns true for 'CREATE' events. For 'UPDATE' events, it returns true when the
// lastActivityTimestamp in the status is unchanged or the generation is different from the observed generation.
func (r *Reconciler) ProjectPredicate() predicate.Predicate {
return predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
return true
},
UpdateFunc: func(e event.UpdateEvent) bool {
oldProject, ok := e.ObjectOld.(*gardencorev1beta1.Project)
if !ok {
return false
}
project, ok := e.ObjectNew.(*gardencorev1beta1.Project)
if !ok {
return false
}
return reflect.DeepEqual(project.Status.LastActivityTimestamp, oldProject.Status.LastActivityTimestamp) ||
project.Generation != project.Status.ObservedGeneration
},
DeleteFunc: func(e event.DeleteEvent) bool { return false },
GenericFunc: func(e event.GenericEvent) bool { return false },
}
}