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contrib-munin/plugins/znc/znc_logs.py
2015-01-31 15:42:15 +01:00

85 lines
2.6 KiB
Python

#!/usr/bin/python3
# -*- coding: utf-8 -*-
'''
=head1 NAME
znc_logs
=head1 DESCRIPTION
Shows lines/minute in today's znc-logs
=head2 CONFIGURATION
[znc_logs]
user znc # or any other user/group that can read the znclog-folder
group znc
env.logdir /var/lib/znc/moddata/log/ # path to the log-folder with a "/" at the end
=head1 COPYRIGHT
GPL VERSION 3
=head1 AUTHOR
Thor77 <thor77[at]thor77.org>
'''
from sys import argv
from time import strftime
from os import environ, listdir
logdir = environ.get('logdir')
if not logdir:
raise Exception('You have to set the logdir with env.logdir <path to log> in the plugin-conf!')
date = strftime('%Y%m%d')
last_values_file = environ['MUNIN_PLUGSTATE'] + '/last_values'
def get_last():
try:
d = {}
with open(last_values_file, 'r') as f:
for line in f:
line = line[:-1]
key, value = line.split(':')
d[key] = float(value)
return d
except FileNotFoundError:
return {}
def data():
last = get_last()
current = {}
for filename in listdir(logdir):
filename_ = filename.replace('.log', '')
network, channel, file_date = filename_.split('_')
network_channel = '{}_{}'.format(network, channel)
# check if log is from today and it is a channel
if file_date == date and channel.startswith('#'):
# current lines in the file
current_value = sum(1 for i in open(logdir + filename, 'r', encoding='utf-8', errors='replace'))
if network_channel not in last:
value = 0
else:
last_value = last[network_channel]
# what munin gets
value = (current_value - last_value) / 5 # subtrate last from current and divide through 5 to get new lines / minute
# save it to the states-file
current[network_channel] = current_value
# print things to munin
network_channel = network_channel.replace('.', '').replace('#', '')
print('{network_channel}.label {channel}@{network}'.format(network_channel=network_channel, channel=channel, network=network))
print('{network_channel}.value {value}'.format(network_channel=network_channel, value=value))
with open(last_values_file, 'w') as f:
for k in current:
f.write('{}:{}\n'.format(k, current[k]))
if len(argv) > 1 and argv[1] == 'config':
print('graph_title Lines in the ZNC-log')
print('graph_category znc')
print('graph_vlabel lines/minute')
print('graph_scale no')
data()