[munin/innd_total] Plugin donnant le nombre de posts dans chaque newsgroup

darcs-hash:20090330000916-ddb99-f66977fbf2ad91314fc2a60d7c15db18e8cb9a83.gz

munin/innd_total

@@ -0,0 +1,84 @@
+#!/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."""
+
+## Importations
+import socket
+import sys
+
+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")
+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 de posts'
+    print 'graph_args --base 1000 --lower-limit 0'
+    print 'graph_vlabel nombre de 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
+    total = 0
+    for (ng, cng, val) in newsgroups:
+        total += val
+        print '%s.value %d' % (cng, val)
+    print 'total.value %d' % total