chambres_vides: refactoring
This commit is contained in:
Daniel STAN
parent
871eb7d3c0
commit
7169e50fd2
4 changed files with 114 additions and 110 deletions
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@ -1,134 +1,138 @@
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#!/bin/bash /usr/scripts/python.sh
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# -*- encoding: utf-8 -*-
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""" Pour détecter les gens en chambre invalide, les prévenir, et supprimer leurs machines
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en l'absence de réponse. Récupérer des IPs, c'est cool."""
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""" Pour détecter les gens en chambre invalide, les prévenir, et supprimer leurs
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machines en l'absence de réponse. Récupérer des IPs, c'est cool.
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# Codé par b2moo, commenté par 20-100, cr{itiqu|on}é par Nit
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# <daniel.stan@crans.org>
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# <legallic@crans.org>
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# <samir@crans.org>
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Codé par b2moo, commenté par 20-100, cr{itiqu|on}é par Nit
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<daniel.stan@crans.org>
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<legallic@crans.org>
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<samir@crans.org>
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"""
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import sys
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import os
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import datetime
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import time
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import re
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import affichage
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import lc_ldap.shortcuts
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from lc_ldap.crans_utils import to_generalized_time_format as toGeneralizedTimeFormat
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conn = lc_ldap.shortcuts.lc_ldap_admin()
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from lc_ldap.crans_utils import to_generalized_time_format as to_gtf
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import mail as mail_module
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import sys
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#: envoyer un mail à chaque adhérent concerné
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sendmails = False
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if "--mail-all" in sys.argv:
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sendmails = True
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from email.header import Header
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from config import demenagement_delai as delai, \
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debut_periode_transitoire, periode_transitoire
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#: Envoyer un mail à respbats
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sendmail_respbats = True
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if "--no-mail" in sys.argv:
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sendmail_respbats = False
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ERASE_DAY = { 'second': 0, 'minute': 0, 'microsecond': 0, 'hour': 0, }
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DAY = datetime.timedelta(days=1)
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FORMAT_LDAP = '%Y%m%d%H%M%S%z'
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DEBUG = False
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if "--debug" in sys.argv:
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DEBUG = True
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RESP = 'respbats@crans.org'
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import os
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import config
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year = config.ann_scol
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delai = config.demenagement_delai
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FILTER = u'''(&
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(aid=*)
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(chbre=????)
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(finAdhesion>=%(date)s)
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(finConnexion>=%(date)s)
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)'''
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# On récupère ceux qui n'ont pas payé cette année
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now = time.time()
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if config.periode_transitoire:
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bad_boys_e_s = conn.search(u'(&(aid=*)(chbre=????)(|(&(paiement=%d)(!(paiement=%d)))(finAdhesion<=%s)(finConnexion<=%s)))' % (year-1, year, toGeneralizedTimeFormat(now), toGeneralizedTimeFormat(now)))
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else:
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bad_boys_e_s = conn.search(u'(&(aid=*)(chbre=????)(|(paiement=%d)(finAdhesion>=%s)(finConnexion>=%s)))' % (year, toGeneralizedTimeFormat(now), toGeneralizedTimeFormat(now)))
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now = datetime.datetime.now().replace(**ERASE_DAY)
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to_print = []
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to_error = []
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for clandestin in bad_boys_e_s:
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def get_kickout(adh):
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"""Renvoie la date et la chambre de la dernière expulsion"""
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# On cherche la dernière fois qu'il s'est retrouvé en chambre ????
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for l in clandestin['historique'][::-1]:
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for l in adh['historique'][::-1]:
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# On récupère la date du dernier changement de chambre
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# (l'historique est enregistré par ordre chronologique)
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x = re.match("(.*),.* : chbre \((.*) -> \?\?\?\?\)", str(l))
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if x <> None:
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kickout_date = x.group(1)
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exchambre = x.group(2)
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return (l.get_datetime(), x.group(2))
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raise IndexError('Adh jamais expulse')
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machine_liste = clandestin.machines()
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# On lui accorde un délai
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kickout_date = time.mktime(time.strptime(kickout_date, "%d/%m/%Y %H:%M"))
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delta = now - kickout_date
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ttl = delai*86400 - delta
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if ttl > 0:
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if (sendmails and machine_liste != [] or DEBUG) and (ttl >= (delai - 1)*86400 or 0 < ttl <= 86400):
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# On lui envoie un mail pour le prévenir
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to = clandestin['mail'][0]
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mail = mail_module.generate('demenagement', {"from" : "respbats@crans.org",
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"chambre" : exchambre,
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"jours" : int(ttl/86400) + 1,
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"to" : to,
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"prenom" : clandestin["prenom"][0],
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"nom" : clandestin["nom"][0],
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"lang_info":"English version below"}
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).as_string()
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if DEBUG:
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print mail
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mailer = os.popen("/usr/sbin/sendmail -t", "w")
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mailer.write(mail + "\n.")
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mailer.close()
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def warn_or_delete(smtp, clandestin, fail, done):
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"""Avertit l'adhérent ou supprime ses machines si nécessaire"""
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date, exchambre = get_kickout(clandestin)
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else:
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for m in machine_liste:
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try:
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# Date de suppression prévue
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date_suppr = date + delai*DAY
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if date_suppr < now: # A expiré
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reason = u'Adhérent sans chambre valide depuis %d jours' % delai
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with conn.search(u'mid=%s' % m['mid'][0], mode='w')[0] as m2:
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m2.delete(reason)
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to_print.append( (clandestin['aid'][0], m['ipHostNumber'][0], m['mid'][0], m['host'][0]) )
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for m in clandestin.machines(mode='rw'):
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try:
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with m:
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m.delete(reason)
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done.append(m)
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except Exception as e:
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to_error.append((clandestin['aid'][0], m['ipHostNumber'][0], m['mid'][0], m['host'][0], e))
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fail.append((m, e))
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elif date_suppr < now + DAY or now - date < DAY:
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# Expire dans un jour ou vient tout juste de se faire virer
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mail_addr = clandestin.get_mail()
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if not clandestin.machines() or not mail_addr:
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return # Si pas de machine, on s'en fout. Si pas de mail, inutile
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data = {
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"from" : RESP,
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"chambre" : exchambre,
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"jours" : (date_suppr - now).days+1,
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"to" : mail_addr,
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"adh": clandestin,
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"lang_info": "English version below",
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}
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mail = mail_module.generate('demenagement', data)
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smtp.sendmail(RESP, [mail_addr], mail.as_string())
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message = u""
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if to_print != []:
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# Il s'est passé quelque chose, donc on envoie un mail
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# On regarde le plus grand hostname
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hostnamemaxsize = max([len(str(i[3])) for i in to_print])
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template = u"| %%4s | %%-15s | %%4s | %%-%ss |\n" % (hostnamemaxsize)
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message += u"\nListe des machines supprimées pour chambre invalide depuis plus de %s jours :\n" % delai
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tiret_line = u"+------+-----------------+------+-%s-+\n" % ("-" * hostnamemaxsize)
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message += tiret_line
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message += template % ("aid", " ip", "mid", (" " * (max((hostnamemaxsize-8)/2,0)) + "hostname"))
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message += tiret_line
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for aid, ip, mid, hostname in to_print:
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message += template % (aid, ip, mid, hostname)
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def format_entry(m):
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"""Renvoie une ligne de tableau, pour une machine"""
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return [
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unicode(m['host'][0]),
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unicode(' '.join(m.dn.split(',')[:2])),
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]
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message += tiret_line
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message += u"\nScore de cette nuit : %s" % (len(to_print))
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if to_error != []:
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hostnamemaxsize = max([len(str(i[3])) for i in to_error])
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errormaxsize = max([len(str(i[4])) for i in to_error])
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template = u"| %%4s | %%-15s | %%4s | %%-%ss | %%-%ss |\n" % (hostnamemaxsize, errormaxsize)
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message += u"\n"
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tiret_line = u"+------+-----------------+------+-%s-+-%s-+\n" % ("-" * hostnamemaxsize, "-" * errormaxsize)
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message += u"\nListe des machines dont la supression à échoué :\n"
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message += tiret_line
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message += template % ("aid", " ip", "mid", (" " * (max((hostnamemaxsize-8)/2,0)) + "hostname"), (" " * (max((errormaxsize-6)/2,0)) + "erreur"))
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for aid, ip, mid, hostname, error in to_error:
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message += template % (aid, ip, mid, hostname, error)
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message += tiret_line
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if to_print != [] or to_error != []:
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headers = u"From: respbats@crans.org\nSubject: %s\n" % Header("Machines supprimées pour chambre invalide", "utf8").encode()
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headers += u"Content-Type: text/plain; charset=UTF-8\n"
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headers += u"X-Mailer: /usr/scripts/gestion/chambres_vides.py\n"
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headers += u"To: respbats@crans.org\n"
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mail = headers + "\n" + message
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if sendmails:
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mailer = os.popen("/usr/sbin/sendmail -t", "w")
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mailer.write(mail.encode("utf-8") + "\n.")
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mailer.close()
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def spaces(x):
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"""Ajoute des espaces en plus sur un tableau de tableau de strings"""
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if type(x) == list:
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return map(spaces, x)
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else:
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print mail
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return u' ' + unicode(x) + u' '
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if __name__ == '__main__':
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conn = lc_ldap.shortcuts.lc_ldap_admin()
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if periode_transitoire:
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date = to_gtf(debut_periode_transitoire)
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else:
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date = now.strftime(FORMAT_LDAP) + 'z'
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bad_boys_e_s = conn.search(FILTER % {'date': date})
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fail = []
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done = []
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with mail_module.ServerConnection() as smtp:
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for clandestin in bad_boys_e_s:
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warn_or_delete(smtp, clandestin, fail, done)
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if fail or done:
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done = spaces([format_entry(m) for m in done])
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fail = spaces([format_entry(m) + [e] for (m,e) in fail])
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data = {
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'from': RESP,
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'to': RESP,
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'delai': delai,
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'fail': fail,
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'done': done,
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'done_tab': affichage.tableau(
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done,
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titre=[u'Hôte', u'Référence'],
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alignement=['d', 'd'],
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),
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'fail_tab': affichage.tableau(
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fail,
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titre=[u'Hôte', u'Référence', u'Erreurs'],
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alignement=['d', 'd', 'd'],
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),
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}
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with mail_module.ServerConnection() as smtp:
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mail = mail_module.generate('demenagement_stats', data)
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smtp.sendmail(RESP, [RESP], mail.as_string())
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@ -1 +1 @@
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{{to}}
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"{{adh|name}}" <{{to}}>
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@ -1,4 +1,4 @@
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Hi {{prenom}} {{nom}}!
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Hi {{ adh|name }}!
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A new member of Crans has declared to live in the room {{chambre}} you were
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previously registered in. This means we do not have your residency information
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@ -10,7 +10,7 @@ campus.
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If you do not wish to keep your Crans Internet access, a simple message from
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you is enough to delete all your computers from our database. This deletion
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will automatically take place in {{jours}} day(s) if you do not answer.
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will automatically take place in {{jours}} day{% if jours > 1 %}s{%endif%} if you do not answer.
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If you do have a Crans account, you will keep an unlimited acces to it, as well
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as all the associated services such as your email firstname.lastname@crans.org.
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@ -1,4 +1,4 @@
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Bonjour {{prenom}} {{nom}},
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Bonjour {{ adh|name }},
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Un adhérent du Crans a déclaré résider dans la chambre {{chambre}},
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que tu occupais précédemment. Cela signifie que nous ne disposons
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@ -10,7 +10,7 @@ si tu as quitté le campus.
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Si tu ne souhaites pas conserver ton accès Internet, un simple message de
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ta part et nous supprimerons les machines que tu possèdes de notre base de
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données. Cette suppression aura automatiquement lieu dans {{jours}} jour(s) en
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données. Cette suppression aura automatiquement lieu dans {{jours}} jour{% if jours > 1%}s{%endif%} en
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l'absence de réponse.
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Si tu possèdes un compte Crans, tu conserves un accès à celui-ci sans limite de
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