[demenagement.py] Poubelle.
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Vincent Le Gallic
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#! /usr/bin/env python
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# -*- coding: iso8859-15 -*-
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"""
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Détection des déménagements non signalés
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Auteur : Étienne Chové
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"""
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import sys, os
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sys.path.append('/usr/scripts/gestion')
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from hptools import hpswitch
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from annuaires_pg import all_switchs, bat_switchs, reverse, uplink_prises
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from ldap_crans import crans_ldap
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from affich_tools import anim, OK
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from email_tools import send_email
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import sqlite
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import time
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# On redirige les sorties si invoqué via cron
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if 'cron' in sys.argv[0]:
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so = file('/dev/null', 'a+', 0)
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os.dup2(so.fileno(), sys.stdout.fileno())
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os.dup2(so.fileno(), sys.stderr.fileno())
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conn = sqlite.connect('/var/lib/misc/demenagement')
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conn.autocommit = True
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curs = conn.cursor()
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try:
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curs.execute("CREATE TABLE machines (host TEXT(128), debut INTEGER);")
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print "SQL : Table machines recrée"
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except:
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pass
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if '--list' in sys.argv:
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curs.execute("SELECT * FROM machines ORDER BY debut;")
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for r in curs.fetchall():
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print '%25s %s' % (r[0], time.strftime('%d/%m/%Y %H:%M',time.localtime(r[1])))
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sys.exit(0)
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# exemptions :
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# liste de tuple à deux éléments :
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# - la machine concernée
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# - la chambre(local) *en minuscules* dans laquelle peut se trouver la machine
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# sans envoyer de mail
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# exemple : exempt = [ ("shosur.crans.org", "b511d"), ("blabla.crans.org","bcl2") ]
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exempt = []
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# nombre minimal de jours pour dire que quelqu'un a déménagé
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min_jours = 7
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# envoie un mail tous les X jours
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re_mail = 7
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# construction de rev = { bat : { prise : chbre } }
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rev = {}
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for bat in bat_switchs:
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rev[bat] = reverse(bat)
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# remplissage de l'annuaire chambre = { mac : prise } en interrogeant les switchs
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switchs = all_switchs()
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progression = anim('Interrogation des switchs',len(switchs))
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chambre = {}
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for host in switchs:
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progression.cycle()
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switch = hpswitch(host)
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try:
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nb_prises = switch.nb_prises()
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except:
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continue
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for prise in range(1, nb_prises+1):
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if prise < 10:
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prise = '0%d'%prise
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else :
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prise = str(prise)
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for mac in switch.show_prise_mac(prise):
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try:
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chambre[mac] = [ host[3] + x for x in rev[host[3]][ host[5] + prise ] ]
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except:
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pass
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progression.reinit()
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print OK
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# interrogation de la base ldap
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progression = anim('Interrogation de la base LDAP')
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base = crans_ldap().search('paiement=ok')
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progression.reinit()
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proprios = base['adherent']
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print OK
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# recherche des erreurs
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progression = anim('Recherche des erreurs',len(proprios))
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now = int(time.time())
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msg=u''
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for proprio in proprios:
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if proprio.chbre()=='EXT':
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continue
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progression.cycle()
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for machine in proprio.machines_fixes():
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if not chambre.has_key(machine.mac()):
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# mac non trouvée sur switch
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continue
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if proprio.chbre().lower() in chambre[machine.mac()]:
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# la machine est dans sa chambre
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curs.execute("DELETE FROM machines WHERE host='%s';"%machine.nom())
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else:
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# on regarde la chambre dans la base
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curs.execute("SELECT debut FROM machines WHERE host='%s';" % machine.nom())
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result = curs.fetchall()
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if result:
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# mise à jour de l'entrée, si vu il y a au moins une semaine
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if result[0][0] < now-86400*min_jours:
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if (machine.nom(),'/'.join(chambre[machine.mac()])) not in exempt:
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print type(machine.nom())
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print type(u'/'.join(chambre[machine.mac()]))
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print type(proprio.chbre())
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msg += u'%s vu en chambre %s mais déclaré en %s\n' % (
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machine.nom(),
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'/'.join(chambre[machine.mac()]),
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proprio.chbre().lower())
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# prochain rappel dans 1 semaine
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curs.execute("UPDATE machines SET debut = '%d' WHERE host = '%s';" % (now+(re_mail-min_jours)*86400, machine.nom()))
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else:
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# nouvelle entrée
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curs.execute("INSERT INTO machines (host,debut) VALUES ('%s', '%d');" % (machine.nom(),now))
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progression.reinit()
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print OK
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# sys.stderr.write(msg.encode('iso8859-15'))
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# sys.stderr.flush()
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if msg:
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print "Envoi du mail... ",
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send_email('disconnect@crans.org', 'disconnect@crans.org', u'Déménagement(s) non déclaré(s)',
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msg + u'\n\n-- \nGénéré par demenagement.py\n')
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print OK
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