func (a *MachineAgent) setMachineStatus(apiState *api.State, status params.Status, info string) error {
tag := a.Tag().(names.MachineTag)
machine, err := apiState.Machiner().Machine(tag)
if err != nil {
return errors.Trace(err)
}
if err := machine.SetStatus(status, info, nil); err != nil {
return errors.Trace(err)
}
return nil
}