operator

type Handler interface {
	Name() string

	Handle(item operation.Item) error

	CanBeHandled(item operation.Item) bool
}

type LifecyclePreStart interface {
	Handler

	LifecyclePreStart() error
}

type Operator interface {
	// Define prometheus collector interface
	prometheus.Collector

	Name() string
	Namespace() string
	Image() string

	Start(threadiness int, stopCh <-chan struct{}) error

	RegisterInformer(informer cache.SharedIndexInformer, group, version, kind string) error
	RegisterStarter(starter Starter) error
	RegisterHandler(handler Handler) error

	EnqueueItem(item operation.Item)
	ProcessItem(item operation.Item) error
}

type Starter interface {
	Start(stopCh <-chan struct{})
}