docs: def beacon(config):
      '''
      The journald beacon allows for the systemd journal to be parsed and linked
      objects to be turned into events.
  
      This beacons config will return all sshd jornal entries
  
      .. code-block:: yaml
  
          beacons:
            journald:
              - services:
                  sshd:
                    SYSLOG_IDENTIFIER: sshd
                    PRIORITY: 6
      '''
      ret = []
      journal = _get_journal()
  
      _config = {}
      list(map(_config.update, config))
  
      while True:
          cur = journal.get_next()
          if not cur:
              break
  
          for name in _config.get('services', {}):
              n_flag = 0
              for key in _config['services'][name]:
                  if isinstance(key, salt.ext.six.string_types):
                      key = salt.utils.data.decode(key)
                  if key in cur:
                      if _config['services'][name][key] == cur[key]:
                          n_flag += 1
              if n_flag == len(_config['services'][name]):
                  # Match!
                  sub = salt.utils.data.simple_types_filter(cur)
                  sub.update({'tag': name})
                  ret.append(sub)
      return ret