// MachineStatus dials the given machine name, pings it, and returns ok or not.
// Custom type errors for any problems encountered.
func (s *Status) MachineStatus(name string) error {
machine, err := s.MachineGetter.GetMachine(name)
if err != nil {
return err
}
// Try and ping it directly via http. This lets us know if the machine is
// reachable, without dealing with any kite issues.
if _, err := s.HTTPClient.Get(fmt.Sprintf("http://%s:56789/kite", machine.IP)); err != nil {
return util.KiteErrorf(
kiteerrortypes.MachineUnreachable,
"Machine unreachable. host:%s, err:%s",
machine.IP, err,
)
}
if err := machine.DialOnce(); err != nil {
return s.handleKiteErr(err)
}
// We have to use klient.info here, because we're trying to catch the
// TokenIsNotValidYet error. kite.ping does not use auth, and does not show
// that error as a result. klient.info does use auth, and doesn't reset klient
// usage. So it seems like an okay method for this.
//
// In the future, we should probably add auth'd ping to klient, to avoid side
// effects.
if _, err := machine.Tell("klient.info"); err != nil {
return s.handleKiteErr(err)
}
return nil
}
// GetValidDialedMachine calls GetValidMachine, and then dials it.
//
// Note that if you just want a dialed machine, but don't explicitly need a Valid
// machine, just get the machine and dial it yourself.
func (r *Remote) GetDialedMachine(name string) (*machine.Machine, error) {
machine, err := r.GetValidMachine(name)
if err != nil {
return nil, err
}
if err := machine.DialOnce(); err != nil {
return nil, err
}
return machine, nil
}