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contrib-munin/plugins/other/spamd-tarpit-bsd

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2008-08-07 17:47:28 +02:00
#!/usr/bin/env python
# Copyright (c) 2008, Net Easy, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Net Easy, Inc. nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY Net Easy, Inc. ''AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL Net Easy, Inc. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# requires logcheck from ports
import re, os
from sys import argv
logfile = "/var/log/daemon"
class checker(object):
def __init__(self):
self.tarpit_count = 0
self.tarpit_total = 0
def __repr__(self):
return "tarpit.value %s" % (self.tarpit_average())
def tarpit_average(self):
if self.tarpit_count > 0:
return "%.1f" % (self.tarpit_total / self.tarpit_count)
else:
return 0
def process_line(self, line):
if re.search(' disconnected after ', line):
self.tarpit_count += 1
tarpit_time = re.sub('^.*after ','',re.sub(' second.*$','',line))
self.tarpit_total += int(tarpit_time)
def process_lines(self, file):
for line in os.popen('logtail %s %s.tp.offset' % (file, file)).readlines():
self.process_line(line)
if __name__ == "__main__":
if len(argv) > 1 and argv[1] == 'config':
print """graph_title spamd delay
graph_vlabel Average delay.
graph_category Mail
graph_info Average time spammers delayed by spamd
tarpit.label Average tarpit delay"""
else:
processor = checker()
processor.process_lines(logfile)
print processor