servicediscovery

type ServiceDiscovery interface {
	// RegisterWorker or re-register worker with a heartBeat timestamp that proves the worker is alive and well.
	RegisterWorker(worker ServiceWorker, heartBeatTime time.Time) error
	// ListWorkers for a ServiceRole, earliestLastSeen is used to filter out workers that haven't hearbeat after said time
	ListWorkers(service ServiceRole, earliestLastSeen time.Time) ([]*ServiceWorker, error)
}

type ServiceRole struct {
	ServiceName string // name of the service this server belongs to (FooService)
	Role        string // role of this server, ie: apiserver, adminserver, worker
	DeployGroup string // many deployments, ie: dev, prod-us, prod-eu, etc..
}

type ServiceWorker struct {
	Service  ServiceRole
	WorkerId string
	LastSeen time.Time
	Endpoint string
}