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#!/usr/bin/env python
# Copyright (C) 2010, Eduardo Silva <edsiper@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import sys
import re
import getopt
import ConfigParser
RULES_PATH = 'log_rules'
ACCESS_FILE = '../logs/access.log'
ERROR_FILE = '../logs/error.log'
class AccessRule:
def __init__(self,
ip = None, time = None,
method = None, uri = None,
protocol = None, status = None,
size = None):
self.type = 'access'
self.ip = ip
self.time = time
self.method = method
self.uri = uri
self.status = status
self.protocol = protocol
self.status = status
if size is not None:
if size.isdigit():
self.size = size
else:
if size[:8] == 'FILESIZE':
target = size[8:].strip()
self.size = os.path.getsize(target)
else:
self.size = size
else:
self.size = size
class ErrorRule:
def __init__(self,
ip = None, time = None,
error = None, message = None):
self.type = 'error'
self.ip = ip
self.time = time
self.error = error
self.message = message
class Config(ConfigParser.ConfigParser):
def __init__(self):
ConfigParser.ConfigParser.__init__(self)
def _get_value(self, section, key):
try:
value = self.get(section, key)
except:
value = None
return value
def get_rules(self, path):
self.read(path)
rules = []
for section in self.sections():
if section == 'access':
ip = self._get_value(section, 'ip')
time = self._get_value(section, 'time')
method = self._get_value(section, 'method')
uri = self._get_value(section, 'uri')
protocol = self._get_value(section, 'protocol')
status = self._get_value(section, 'status')
size = self._get_value(section, 'size')
rule = AccessRule(ip, time, method, uri, protocol, status, size)
elif section == 'error':
ip = self._get_value(section, 'ip')
time = self._get_value(section, 'time')
error = self._get_value(section, 'error')
message = self._get_value(section, 'message')
rule = ErrorRule(ip, time, error, message)
# Add rule to list
rules.append(rule)
return rules
class Logfile:
def __init__(self):
self.silent_mode = False
self.target_logfile = None
self.check_arguments()
# Check if file exists
if os.path.isfile(self.target_logfile) is False:
# No rules exists for this test
if self.silent_mode is False:
print "No rules for target"
exit(2)
# Read rules
config = Config()
rules = config.get_rules(self.target_logfile)
if len(rules) == 0:
if self.silent_mode is False:
print "Error, no rules found on target file"
exit(2)
# Check rules
self.check_rules(rules)
def check_arguments(self):
optlist, args = getopt.getopt(sys.argv[1:], 'shl:')
for key, val in optlist:
if key == '-s':
self.silent_mode = True
elif key == '-l':
self.target_logfile = val
elif key == '-h':
self.help()
if self.target_logfile is None:
self.help()
def help(self):
print "** Monkey QA Checklog **"
print "Usage: ./checklog [-s] [-l logfile_rules]"
print "\nAvailable options"
print " -s Run checklog in silent mode, no messages to stdout"
print " -l logfile Specify the logfile rule"
print " -h Show this help"
print
exit(1)
def get_last_file_line(self, file):
f = open(file, 'r')
lines = f.readlines()
f.close()
if len(lines) < 1:
return None
# get last file line
last = lines[len(lines) - 1]
return last
def check_field(self, rule, log):
if rule is not None:
if str(rule) != str(log):
if self.silent_mode is False:
print "Rule does not match, expect '" + str(rule) + '\' got \'' + log + '\''
exit(1)
else:
return 0
else:
return 0
def check_rules(self, rules):
# Parse access log format, anyone is invited to fix this nasty regex
access_re = re.compile("^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})( - )(\[.*\])( .* ){1,4}(/.* )(.*/.* )(\d.* )(.*)\n$")
error_re = re.compile("^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})( - )(\[.*\])( \[.*\])(.*)$")
for r in rules:
if r.type == 'access':
line = self.get_last_file_line(ACCESS_FILE)
fields = access_re.split(line)
data = {'ip': fields[1],
'time': fields[3],
'method': fields[4].strip(),
'uri': fields[5].strip(),
'protocol': fields[6].strip(),
'status': fields[7].strip(),
'size': fields[8]
}
self.check_field(r.ip, data['ip'])
self.check_field(r.time, data['time'])
self.check_field(r.method, data['method'])
self.check_field(r.uri, data['uri'])
self.check_field(r.protocol, data['protocol'])
self.check_field(r.status, data['status'])
self.check_field(r.size, data['size'])
elif r.type == 'error':
line = self.get_last_file_line(ERROR_FILE)
fields = error_re.split(line)
# We always expect at least 4 fields
if len(fields) < 4:
if self.silent_mode is False:
print "Error: we did not find the expected fields"
print "Logfile line"
print " %s " % line
exit(1)
data = {'ip': fields[1],
'time': fields[3],
'error': fields[4].strip('[error (\d)]'),
'message': fields[5].strip()
}
self.check_field(r.ip, data['ip'])
self.check_field(r.time, data['time'])
self.check_field(r.error, data['error'])
self.check_field(r.message, data['message'])
if self.silent_mode is False:
print "Check passed :)"
if __name__ == '__main__':
Logfile()
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