def _parse_task_syslog(lines):
 result = {}
 for record in _parse_hadoop_log4j_records(lines):
  message = record['message']
  m = _OPENING_FOR_READING_RE.match(message)
  if m:
   result['split'] = dict(path=m.group('path'))
   continue
  m = _YARN_INPUT_SPLIT_RE.match(message)
  if m:
   result['split'] = dict(path=m.group('path'), start_line=int(m.group('start_line')), num_lines=int(m.group('num_lines')))
   continue
  m = _JAVA_TRACEBACK_RE.search(message)
  if m:
   result['hadoop_error'] = dict(message=message, num_lines=record['num_lines'], start_line=record['start_line'])
   break
  if ((record['logger'] == _SPARK_APP_MASTER_LOGGER) and (record['level'] == 'ERROR')):
   m = _SPARK_APP_EXITED_RE.match(message)
   if m:
    result['hadoop_error'] = dict(message=message, num_lines=record['num_lines'], start_line=record['start_line'])
    result['check_stdout'] = True
    break
 return result

def _parse_task_syslog ( lines ) : result = { } for record in _parse_hadoop_log4j_records ( lines ) : message = record [ 'message' ] m = _OPENING_FOR_READING_RE . match ( message ) if m : result [ 'split' ] = dict ( path = m . group ( 'path' ) ) continue m = _YARN_INPUT_SPLIT_RE . match ( message ) if m : result [ 'split' ] = dict ( path = m . group ( 'path' ) , start_line = int ( m . group ( 'start_line' ) ) , num_lines = int ( m . group ( 'num_lines' ) ) ) continue m = _JAVA_TRACEBACK_RE . search ( message ) if m : result [ 'hadoop_error' ] = dict ( message = message , num_lines = record [ 'num_lines' ] , start_line = record [ 'start_line' ] ) break if ( ( record [ 'logger' ] == _SPARK_APP_MASTER_LOGGER ) and ( record [ 'level' ] == 'ERROR' ) ) : m = _SPARK_APP_EXITED_RE . match ( message ) if m : result [ 'hadoop_error' ] = dict ( message = message , num_lines = record [ 'num_lines' ] , start_line = record [ 'start_line' ] ) result [ 'check_stdout' ] = True break return result
parse an error out of a syslog file .