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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import subprocess
import plugins
import re
class Plugin(plugins.BasePlugin):
__name__ = 'postfix'
def run(self, config):
'''
Monitoring of the Postfix MTA log and optionally the Postfix version and the mailqueue
Dependency: Pflogsumm log analyzer, sudo access
Exampel config for /etc/agent360.ini:
[postfix]
enabled = yes
log = /var/log/mail.log
pflogsumm = /usr/sbin/pflogsumm
version = true
queue = true
'''
data = {}
maillog = config.get('postfix', 'log')
pflbin = config.get('postfix', 'pflogsumm')
pversion = config.get('postfix', 'version')
mqueue = config.get('postfix', 'queue')
output = os.popen('sudo ' + pflbin + ' -d today --detail 0 ' + maillog).read()
for row in output.split("\n"):
if re.search(r' +[0-9]+ +[a-z]{1}[a-z- ]+[a-z]', row):
stat = re.findall(r'[a-z]{1}[a-z- ]+[a-z]', row)[0]
num = re.findall(r'\b[0-9]*\b', row)[0]
data[stat] = int(num)
if pversion == "true":
data['meta'] = {'version': 'Postfix ' + os.popen('sudo postconf -d | grep mail_version -m 1 | egrep -o "[0-9.]+"').read().rstrip()}
if mqueue == "true":
mqcommand = os.popen('sudo mailq | tail -n 1').read()
if "empty" in mqcommand:
data['queue'] = {'mails': 0 , 'size': 0 }
else:
data['queue'] = {'mails': re.findall(r'[0-9]+ Request', mqcommand)[0].replace(" Request", ""), 'size': re.findall(r'-- [0-9]+', mqcommand)[0].replace("-- ", "") }
return data
if __name__ == '__main__':
Plugin().execute()