func nodeEventHandler(eventType string, state string, action string) error {
	if (eventType == "node" && state == "Deployed" && action == "update") || (eventType == "node" && state == "Terminated") {
		err := nodes.DiscoverPeers()
		if err != nil {
			return err
		}
	}
	return nil
}
func discovering(wg *sync.WaitGroup) {
	defer wg.Done()
	c := make(chan dockercloud.Event)
	e := make(chan error)

	nodes.DiscoverPeers()

	go dockercloud.Events(c, e)
	tutumEventHandler(wg, c, e)
}