docs: def get_machine_id(machine, cwd):
      '''
      returns the salt_id name of the Vagrant VM
  
      :param machine: the Vagrant machine name
      :param cwd: the path to Vagrantfile
      :return: salt_id name
      '''
      name = __utils__['sdb.sdb_get'](_build_machine_uri(machine, cwd), __opts__)
      return name