code: def _check_appliances():
      
      filenames = os.listdir(os.getcwd())
      missing = []
      for dirname in ['nodes', 'environments', 'roles', 'cookbooks', 'data_bags']:
          if (dirname not in filenames) or (not os.path.isdir(dirname)):
              missing.append(dirname)
      return (not bool(missing)), missing
docs: Looks around and return True or False based on whether we are in a
      kitchen