Obsolète, remplacé par bcfg2-report
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Vincent Le Gallic
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293
archive/bcfg2/statistics-summary.py
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293
archive/bcfg2/statistics-summary.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# statistics-summary.py
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# ---------------------
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# Copyright (C) 2008-2009 Michel Blockelet <blockelet@crans.org>
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
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"""Outil pour créer un résumé des statistiques de bcfg2."""
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# Importations
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import os, sys, time
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import xml.dom.minidom
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## Configuration
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# Fichier de statistiques
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statsfile = '/var/lib/bcfg2/etc/statistics.xml'
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# Nombre de jours à partir desquels l'hôte est considéré comme vieux
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daysold = 2
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def processHost(node, ignore):
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"""Traite les statistiques d'un hôte à partir de son noeud XML."""
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# On prend les statistiques les plus récentes (le fichier de statistiques
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# peut contenir plusieurs runs)
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stamps = node.getElementsByTagName('OpStamps')
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curtime = 0
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for stamp in stamps:
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if float(stamp.getAttribute('start')) > curtime:
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curtime = float(stamp.getAttribute('start'))
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stats = stamp.parentNode
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# On regarde l'état
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if stats.getAttribute('state') == 'clean':
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state = 'clean'
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lines = [u' * %s - %s - clean' % (node.getAttribute('name'),
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stats.getAttribute('time'))]
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nbbad = 0
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ignored = 0
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else:
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# On récupère les différents points pas à jour
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bad = stats.getElementsByTagName('Bad')[0]
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nbbad = (int(stats.getAttribute('total'))
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- int(stats.getAttribute('good')))
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cfgfiles = bad.getElementsByTagName('ConfigFile')
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packages = bad.getElementsByTagName('Package')
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services = bad.getElementsByTagName('Service')
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actions = bad.getElementsByTagName('Action')
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# On ignore ce qu'il faut
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ignored = 0
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ignorestr = u''
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if 'config' in ignore and len(cfgfiles) > 0:
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ignored += len(cfgfiles)
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ignorestr += u' %d configfiles' % len(cfgfiles)
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if 'packages' in ignore and len(packages) > 0:
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ignored += len(packages)
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ignorestr += u' %d packages' % len(packages)
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if 'actions' in ignore and len(actions) > 0:
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ignored += len(actions)
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ignorestr += u' %d actions' % len(actions)
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if 'services' in ignore and len(services) > 0:
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ignored += len(services)
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ignorestr += u' %d services' % len(services)
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if ignored > 0:
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ignorestr = u' - %d ignored :%s' % (ignored, ignorestr)
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# On affiche tous les trucs pas bons
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if ignored == nbbad:
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# On a tout ignoré
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state = 'ignored'
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lines = [u' * %s - %s%s' % (node.getAttribute('name'),
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stats.getAttribute('time'), ignorestr)]
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else:
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# On a des trucs à afficher
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state = 'bad'
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lines = []
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lines.append(u' * %s - %s' % (node.getAttribute('name'),
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stats.getAttribute('time')))
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lines.append(u' State : %s - %d bad%s'
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% (stats.getAttribute('state'), nbbad, ignorestr))
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# Fichiers de configuration
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if len(cfgfiles) > 0 and 'config' not in ignore:
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lines.append(u' * Config files :')
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for cfgfile in cfgfiles:
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if cfgfile.getAttribute('current_exists') == 'false':
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lines.append(u' + %s' % cfgfile.getAttribute('name'))
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else:
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lines.append(u' * %s' % cfgfile.getAttribute('name'))
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# Paquets
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if len(packages) > 0 and 'packages' not in ignore:
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lines.append(u' * Packages :')
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for package in packages:
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if package.getAttribute('current_version') == '':
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lines.append(u' + %s :: %s'
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% (package.getAttribute('name'),
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package.getAttribute('version')))
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else:
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lines.append(u' * %s :: %s -> %s'
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% (package.getAttribute('name'),
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package.getAttribute('current_version'),
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package.getAttribute('version')))
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# Actions
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if len(actions) > 0 and 'actions' not in ignore:
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lines.append(u' * Actions :')
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for action in actions:
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lines.append(u' * %s' % action.getAttribute('name'))
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# Services
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if len(services) > 0 and 'services' not in ignore:
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lines.append(u' * Services :')
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for service in services:
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lines.append(u' * %s' % service.getAttribute('name'))
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lines.append('')
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return (time.time() - curtime > daysold * 24 * 60 * 60, state, lines, nbbad - ignored)
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def deleteHosts(hostslist, writeback):
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"""Supprime les hôtes de la liste hostslist du fichier de statistiques.
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Si hostslist évalue à False, demande une confirmation puis supprime
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tous les hôtes vieux."""
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doc = xml.dom.minidom.parse(statsfile)
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hoststodel = []
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for node in doc.getElementsByTagName('Node'):
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if not hostslist:
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# On sélectionne les hôtes vieux
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stamps = node.getElementsByTagName('OpStamps')
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curtime = 0
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for stamp in stamps:
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if float(stamp.getAttribute('start')) > curtime:
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curtime = float(stamp.getAttribute('start'))
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if time.time() - curtime > daysold * 24 * 60 * 60:
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hoststodel.append(node)
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else:
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# On sélectionne les hôtes donnés en argument
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if node.getAttribute('name') in hostslist:
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hoststodel.append(node)
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# Suppression des hôtes dans le schéma XML
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for node in hoststodel:
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print u'Suppression de l\'hôte : %s' % node.getAttribute('name')
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node.parentNode.removeChild(node)
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if hoststodel:
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if writeback:
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# Enregistrement des données dans le fichier
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print u'Arrêt de bcfg2-server ...'
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if os.system('/etc/init.d/bcfg2-server stop'):
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print u'Erreur !'
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print u'Sauvegarde ...'
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doc.writexml(open(statsfile, 'w'))
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print u'Redémarrage de bcfg2-server ...'
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if os.system('/etc/init.d/bcfg2-server start'):
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print u'Erreur !'
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else:
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print u'Utilisez l\'option -w en tant que root pour enregistrer.'
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else:
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print u'Aucun hôte à supprimer !'
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def genStats(ignore):
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"""Génère les statistiques, en ignorant les éléments de la
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liste ignore."""
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# On traite le fichier de statistiques
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doc = xml.dom.minidom.parse(statsfile)
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oldhosts = []
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dirtyhosts = []
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cleanhosts = []
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oldnb = 0
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badnb = 0
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cleannb = 0
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# On récupère les informations des différents hôtes
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for curnode in doc.getElementsByTagName('Node'):
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(isold, state, hostlines, urgency) = processHost(curnode, ignore)
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if isold:
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oldnb += 1
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if state in ['clean', 'ignored']:
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oldhosts.append((0, hostlines))
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else:
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oldhosts.append((urgency, hostlines))
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else:
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if state in ['clean', 'ignored']:
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cleanhosts.append((0, hostlines))
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cleannb += 1
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else:
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dirtyhosts.append((urgency, hostlines))
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badnb += 1
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# Get the dirtier hosts first.
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dirtyhosts.sort()
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dirtyhosts.reverse()
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oldhosts.sort()
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oldhosts.reverse()
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# Header
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print (u'*** Bcfg2 Statistics on %s, for %d hosts ***'
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% (time.strftime("%c"), oldnb + badnb + cleannb))
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print u' * Old hosts : %d' % oldnb
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print u' * Bad hosts : %d' % badnb
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print u' * Clean hosts : %d' % cleannb
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print
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# Hôtes vieux
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if oldnb:
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print u'*** Old hosts (more than %s days) :' % daysold
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for host in oldhosts:
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for line in host[1]:
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print line
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print
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# Hôtes sales
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if badnb:
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print u'*** Bad hosts :'
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for host in dirtyhosts:
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for line in host[1]:
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print line
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print
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# Hôtes propres
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if cleannb:
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print u'*** Clean hosts (or with ignored dirtyness) :'
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for host in cleanhosts:
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for line in host[1]:
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print line
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if __name__ == '__main__':
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if '-h' in sys.argv:
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# Message d'utilisation
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print u'Outil pour créer un résumé des statistiques de bcfg2.'
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print u''
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print u' * Usage :'
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print u' * Génération de statistiques :'
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print u' -c ou --no-config pour ignorer les ConfigFiles'
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print u' -p ou --no-packages pour ignorer les Packages'
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print u' -a ou --no-actions pour ignorer les Actions'
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print u' -s ou --no-services pour ignorer les Services'
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print u''
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print u' * Suppression d\'hôtes des statistiques :'
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print u' -d ou --delete seuls pour supprimer tous les hôtes vieux'
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print u' -d ou --delete [hôte]... pour supprimer certains hôtes'
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print u' -w ou --write pour enregistrer les modifications'
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print u' (sinon, ne fait qu\'afficher les hôtes concernés)'
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else:
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# Lecture des options
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ignore = []
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if '-c' in sys.argv or '--no-config' in sys.argv:
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ignore.append('config')
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if '-p' in sys.argv or '--no-packages' in sys.argv:
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ignore.append('packages')
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if '-a' in sys.argv or '--no-actions' in sys.argv:
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ignore.append('actions')
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if '-s' in sys.argv or '--no-services' in sys.argv:
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ignore.append('services')
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if os.access(statsfile, os.F_OK):
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if '-d' in sys.argv or '--delete' in sys.argv:
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# Mode suppression
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deleteHosts([x for x in sys.argv[1:]
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if x not in ['-d', '--delete', '-w']], os.getuid() == 0 and
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('-w' in sys.argv or '--write' in sys.argv))
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else:
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# Mode génération des statistiques
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genStats(ignore)
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else:
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print u'Impossible d\'accéder au fichier de statistiques :'
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print u' %s !' % statsfile
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