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add.go
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add.go
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// Copyright (c) 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 extensionscheck
import (
"context"
"github.com/go-logr/logr"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
"k8s.io/utils/clock"
"k8s.io/utils/pointer"
"sigs.k8s.io/controller-runtime/pkg/builder"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
"github.com/gardener/gardener/pkg/controllerutils/mapper"
predicateutils "github.com/gardener/gardener/pkg/controllerutils/predicate"
)
// ControllerName is the name of this controller.
const ControllerName = "seed-extensions-check"
// 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{}
}
c, err := builder.
ControllerManagedBy(mgr).
Named(ControllerName).
WithOptions(controller.Options{
MaxConcurrentReconciles: pointer.IntDeref(r.Config.ConcurrentSyncs, 0),
// if going into exponential backoff, wait at most the configured sync period
RateLimiter: workqueue.NewWithMaxWaitRateLimiter(workqueue.DefaultControllerRateLimiter(), r.Config.SyncPeriod.Duration),
}).
Build(r)
if err != nil {
return err
}
return c.Watch(
&source.Kind{Type: &gardencorev1beta1.ControllerInstallation{}},
mapper.EnqueueRequestsFrom(mapper.MapFunc(r.MapControllerInstallationToSeed), mapper.UpdateWithNew, c.GetLogger()),
predicateutils.RelevantConditionsChanged(
func(obj client.Object) []gardencorev1beta1.Condition {
controllerInstallation, ok := obj.(*gardencorev1beta1.ControllerInstallation)
if !ok {
return nil
}
return controllerInstallation.Status.Conditions
},
conditionsToCheck...,
),
)
}
// MapControllerInstallationToSeed is a mapper.MapFunc for mapping a ControllerInstallation to the referenced Seed.
func (r *Reconciler) MapControllerInstallationToSeed(_ context.Context, _ logr.Logger, _ client.Reader, obj client.Object) []reconcile.Request {
controllerInstallation, ok := obj.(*gardencorev1beta1.ControllerInstallation)
if !ok {
return nil
}
return []reconcile.Request{{NamespacedName: types.NamespacedName{Name: controllerInstallation.Spec.SeedRef.Name}}}
}