scripts/munin/innd_total
Michel Blockelet e52717e769 [munin/innd_total] CCache pour les stats
Ca evite d'avoir des trous quand le serveur a trop de connexions

darcs-hash:20090330133324-ddb99-131fb42b77603f8499836c563f7498c6fe00fcbb.gz
2009-03-30 15:33:24 +02:00

106 lines
3.1 KiB
Python
Executable file

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2009 Michel Blockelet <blockelet@crans.org>
# This file 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 file 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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
"""Plugin munin pour innd :: donne le nombre total de posts par newsgroup."""
## Importations
import socket, sys, time
## Configuration
cache_file = "/tmp/munin_innd_total_cache"
def recvlines(sock):
buff = sock.recv(4096)
while buff[-3] != '.':
buff += sock.recv(4096)
return buff.split('\r')[:-2]
## Connexion
s = socket.socket()
s.connect(('localhost', 119))
## Mise en mode reader (pour utiliser 'listgroup')
s.send("mode reader\r\n")
# Petit "hack" en attendant d'utiliser la nntplib
time.sleep(0.5)
s.recv(4096)
## Récupération des newsgroups et du nombre de posts
s.send("list\r\n")
newsgroups = []
for l in recvlines(s)[1:]:
name = l.split()[0]
# Conversion du nom vers un format accepté par munin
cname = name
while '.' in cname:
(parent, sep, sub) = cname.partition('.')
cname = '%s_%s' % (parent[0], sub)
cname = cname.replace('-', '_')
# Récupération du nombre de posts
s.send('listgroup %s\r\n' % name)
val = len(recvlines(s))
# On ne garde pas les newsgroups presque vides
if val > 5:
newsgroups.append((name, cname, val))
## Sortie
if len(sys.argv) > 1 and sys.argv[1] == 'config':
# Configuration du graphe
print 'host_name news.crans.org'
print 'graph_title Nombre total de posts'
print 'graph_args --base 1000 --lower-limit 0'
print 'graph_vlabel posts'
print 'graph_category News'
print 'graph_description Nombre de posts pour chaque newsgroup'
(ng0, cng0, val0) = newsgroups[0]
print '%s.label %s' % (cng0, ng0)
print '%s.draw AREA' % cng0
for (ng, cng, val) in newsgroups[1:]:
print '%s.label %s' % (cng, ng)
print '%s.draw STACK' % cng
print 'total.label Total'
else:
# Envoi des valeurs
lines = []
total = 0
for (ng, cng, val) in newsgroups:
total += val
lines.append('%s.value %d' % (cng, val))
lines.append('total.value %d' % total)
if total == 0:
# On a sûrement eu un problème de récupération
try:
for line in open(cache_file, 'r'):
print line.strip('\n')
except:
for line in lines:
print line
else:
f = open(cache_file, 'w')
for line in lines:
print line
f.write(line + '\n')