Checking logrotate coverage

rotatated.py

#!/usr/bin/env python

from glob import glob
from fnmatch import fnmatch
from os import walk
from os.path import join
import re

DATE_OR_VERSION = re.compile('\.(\d{4}-\d{2}-\d{2})|(\d+)$')

def logrotate_patterns():
	comments = re.compile(r'\s*#.*$', re.MULTILINE)
	blocks = re.compile(r'\{.*?\}', re.DOTALL)
	pattern = re.compile(r'("/.*?")|(/.*?[\s$])')
	for conf in glob('/etc/logrotate.d/*'):
		txt = open(conf, 'r').read()
		txt, _ = comments.subn('', txt)
		txt, _ = blocks.subn('', txt)
		for f in pattern.findall(txt):
			yield f[1].strip()

patterns = list(logrotate_patterns())
print "Patterns:", " ".join(patterns)
print
print "Logs not supervized by logrotate :"
for root, dirs, files in walk('/var/log'):
	for name in files:
		if name.endswith('.gz') or DATE_OR_VERSION.search(name) is not None:
			continue
		path = join(root, name)
		drama = True
		for pattern in patterns:
			if fnmatch(path, pattern):
				drama = False
				break
		if drama:
			print "\t", path