docs: def get_master_status(**connection_args):
      '''
      Retrieves the master status from the minion.
  
      Returns::
  
          {'host.domain.com': {'Binlog_Do_DB': '',
                           'Binlog_Ignore_DB': '',
                           'File': 'mysql-bin.000021',
                           'Position': 107}}
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' mysql.get_master_status
  
      '''
      mod = sys._getframe().f_code.co_name
      log.debug('%s<--', mod)
      conn = _connect(**connection_args)
      if conn is None:
          return []
      rtnv = __do_query_into_hash(conn, "SHOW MASTER STATUS")
      conn.close()
  
      # check for if this minion is not a master
      if not rtnv:
          rtnv.append([])
  
      log.debug('%s-->%s', mod, len(rtnv[0]))
      return rtnv[0]