karmada/pkg/detector/handler.go

62 lines
1.7 KiB
Go

/*
Copyright 2021 The Karmada Authors.
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 detector
import (
"fmt"
"k8s.io/apimachinery/pkg/runtime"
"github.com/karmada-io/karmada/pkg/util"
"github.com/karmada-io/karmada/pkg/util/fedinformer/keys"
)
// ClusterWideKeyFunc generates a ClusterWideKey for object.
func ClusterWideKeyFunc(obj interface{}) (util.QueueKey, error) {
return keys.ClusterWideKeyFunc(obj)
}
const (
// ObjectChangedByKarmada the key name for a bool value which describes whether the object is changed by Karmada
ObjectChangedByKarmada = "ObjectChangedByKarmada"
)
// ResourceItem a object key with certain extended config
type ResourceItem struct {
Obj runtime.Object
ResourceChangeByKarmada bool
}
// ResourceItemKeyFunc generates a ClusterWideKeyWithConfig for object.
func ResourceItemKeyFunc(obj interface{}) (util.QueueKey, error) {
var err error
key := keys.ClusterWideKeyWithConfig{}
resourceItem, ok := obj.(ResourceItem)
if !ok {
return key, fmt.Errorf("failed to assert object as ResourceItem")
}
key.ResourceChangeByKarmada = resourceItem.ResourceChangeByKarmada
key.ClusterWideKey, err = keys.ClusterWideKeyFunc(resourceItem.Obj)
if err != nil {
return key, err
}
return key, nil
}