/
messages_log_parser.py
59 lines (44 loc) · 1.82 KB
/
messages_log_parser.py
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#!/usr/bin/env python3
import re
import sys
from collections import namedtuple
LogEntry = namedtuple('LogEntry', ['datetime',
'validation_outcome',
'remote_address',
'common_name',
'source',
'message_type',
'message_id',
'destination'])
entry_regex = re.compile(r'^(?P<date_time>\[\S+\s?\S+\])\s(?P<outcome>\S+)'
'\s(?P<remote_addr>\S+)\s(?P<cn>\S+)\s(?P<src>\S+)'
'\s(?P<type>\S+)\s(?P<id>\S+)\s(?P<targets>.*)$')
def parse_entry(line):
entry_obj = entry_regex.search(line)
if not entry_obj:
raise Exception("bad line: %s" % line)
return LogEntry(datetime=entry_obj.group('date_time'),
validation_outcome=entry_obj.group('outcome'),
remote_address=entry_obj.group('remote_addr'),
common_name=entry_obj.group('cn'),
source=entry_obj.group('src'),
message_type=entry_obj.group('type'),
message_id=entry_obj.group('id'),
destination=entry_obj.group('targets'))
def main():
if len(sys.argv) != 2:
print("messages_log_parser must be invoked with the log file path")
return 1
file_path = sys.argv[1].strip()
def _readEntry(file_handler):
for line in filter(None, (l.rstrip() for l in f_r)):
try:
yield parse_entry(line)
except Exception as e:
print(e)
with open(file_path) as f_r:
for entry in _readEntry(f_r):
print(entry)
return 0
if __name__ == "__main__":
sys.exit(main())