code: def exists(name, delimiter=DEFAULT_TARGET_DELIM):
      '''
      Ensure that a grain is set
  
      name
          The grain name
  
      delimiter
          A delimiter different from the default can be provided.
  
      Check whether a grain exists. Does not attempt to check or set the value.
      '''
      name = re.sub(delimiter, DEFAULT_TARGET_DELIM, name)
      ret = {'name': name,
             'changes': {},
             'result': True,
             'comment': 'Grain exists'}
      _non_existent = object()
      existing = __salt__['grains.get'](name, _non_existent)
      if existing is _non_existent:
          ret['result'] = False
          ret['comment'] = 'Grain does not exist'
      return ref exists(name, delimiter=DEFAULT_TARGET_DELIM):
      '''
      Ensure that a grain is set
  
      name
          The grain name
  
      delimiter
          A delimiter different from the default can be provided.
  
      Check whether a grain exists. Does not attempt to check or set the value.
      '''
      name = re.sub(delimiter, DEFAULT_TARGET_DELIM, name)
      ret = {'name': name,
             'changes': {},
             'result': True,
             'comment': 'Grain exists'}
      _non_existent = object()
      existing = __salt__['grains.get'](name, _non_existent)
      if existing is _non_existent:
          ret['result'] = False
          ret['comment'] = 'Grain does not exist'
      return ret
docs: Ensure that a grain is set
  
      name
          The grain name
  
      delimiter
          A delimiter different from the default can be provided.
  
      Check whether a grain exists. Does not attempt to check or set the value.