/
scheduler.go
67 lines (58 loc) · 2.26 KB
/
scheduler.go
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// Copyright (c) 2019 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 shoot
import (
"fmt"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
gardenversionedcoreclientset "github.com/gardener/gardener/pkg/client/core/clientset/versioned"
"github.com/gardener/gardener/pkg/controllerutils/predicate"
"github.com/gardener/gardener/pkg/scheduler/apis/config"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/source"
)
const (
// ControllerName is the name of this controller.
ControllerName = "shoot-scheduler"
)
// AddToManager adds a new scheduler controller to the given manager.
func AddToManager(
mgr manager.Manager,
versionedCoreClient *gardenversionedcoreclientset.Clientset,
config *config.ShootSchedulerConfiguration,
) error {
ctrlOptions := controller.Options{
Reconciler: &reconciler{
config: config,
gardenClient: mgr.GetClient(),
versionedCoreClient: versionedCoreClient,
recorder: mgr.GetEventRecorderFor(ControllerName),
},
MaxConcurrentReconciles: config.ConcurrentSyncs,
RecoverPanic: true,
}
c, err := controller.New(ControllerName, mgr, ctrlOptions)
if err != nil {
return err
}
shoot := &gardencorev1beta1.Shoot{}
if err := c.Watch(&source.Kind{Type: shoot}, &handler.EnqueueRequestForObject{},
predicate.ShootIsUnassigned(),
predicate.Not(predicate.IsDeleting()),
); err != nil {
return fmt.Errorf("failed to create watcher for %T: %v", shoot, err)
}
return nil
}