connector.go

NewConnector() (Connector) {
  return &sshConnector{...}
}

type sshConnector struct {
  dialer dialer
}

func (s *sshConnector) NewConnection(...) {
  s.dialer.Dial()
}

type ConnectionConfig struct {
  ...
}

type Connector interface {
  NewConnection() (Connection, error)
}

type Connection interface {
  Reboot() (string, error)
}