kubeedge/cloud/pkg/devicecontroller/manager/devicestatus.go
2025-12-22 17:30:53 +00:00

52 lines
1.5 KiB
Go

/*
Copyright 2025 The KubeEdge 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 manager
import (
"sync"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/cache"
"github.com/kubeedge/kubeedge/cloud/pkg/devicecontroller/config"
)
// DeviceStatusManager is a manager watch DeviceStatus change event
type DeviceStatusManager struct {
// events from watch kubernetes api server
events chan watch.Event
// DeviceStatus, key is DeviceStatus.Namespace+"/"+DeviceStatus.Name, value is *v1beta1.DeviceStatus{}
DeviceStatus sync.Map
}
// Events return a channel, can receive all DeviceStatus event
func (dsm *DeviceStatusManager) Events() chan watch.Event {
return dsm.events
}
// NewDeviceStatusManager create DeviceStatusManager from config
func NewDeviceStatusManager(si cache.SharedIndexInformer) (*DeviceStatusManager, error) {
events := make(chan watch.Event, config.Config.Buffer.DeviceStatusEvent)
rh := NewCommonResourceEventHandler(events)
_, err := si.AddEventHandler(rh)
if err != nil {
return nil, err
}
return &DeviceStatusManager{events: events}, nil
}