91 lines
2.4 KiB
Python
Executable file
91 lines
2.4 KiB
Python
Executable file
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Mise a jour periodique des listes d'ip et d'id disponibles.
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Copyright (C) Alexandre Bos, largement pompe sur ldap_crans.py
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Licence : GPLv2
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"""
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from config import NETs
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from iptools import AddrInNet
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try:
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from dialog import Dialog
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except ImportError:
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Dialog = None
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repertoire = '/usr/scripts/var/numeros_disponibles/'
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"""
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Un petit hack de rien du tout pour s'assurer qu'on n'attribue
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pas ces adresses. Certains services risquent de continuer
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d'essayer de se connecter a ces adresses
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"""
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ancien_vlan_adm = ['10.231.136.0/24']
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def lister_ip_dispo(plage):
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f = open(repertoire + 'ip_' + plage)
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lignes = f.readlines()
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liste = []
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for l in lignes:
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liste.append(l.strip())
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return liste
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def lister_ip_utilisees():
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liste = []
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from ldap_crans import crans_ldap
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db = crans_ldap()
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r = db.search('mid=*')
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machines = r['machineFixe'] + r['machineWifi'] + r['machineCrans'] + r['borneWifi']
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for m in machines:
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liste.append(m.ip())
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return liste
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def update_ip(plage, occupees):
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net = NETs[plage]
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pool_ip = [] # Pool d'IP à tester
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for ne in net:
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ip = ne.split('/')[0]
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ip = ip.split('.')
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n = []
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for i in ip:
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n.append(int(i))
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while 1:
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if n[3] < 254:
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n[3] += 1
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else:
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n[2] += 1
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n[3] = 1
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if n[2] == 255: break
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ip = "%d.%d.%d.%d" % tuple(n)
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if not AddrInNet(ip, ne):
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# On est allé trop loin
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break
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pool_ip.append(ip)
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resultat = ''.join('%s\n' % ip for ip in pool_ip if ip not in occupees and not AddrInNet(ip, ancien_vlan_adm))
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f = open(repertoire + 'ip_' + plage,'w')
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f.write(resultat)
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f.close
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def update_ip_fixe(occupees):
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update_ip('fil', 'ip_fil', occupees)
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def update_ip_wifi_adh(occupees):
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update_ip('wifi-adh','ip_wifi-adh', occupees)
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if __name__ == "__main__":
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dlg = Dialog()
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dlg.gauge_start(text="Recherche des machines...", backtitle="numeros_disponibles")
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ip_occupees = lister_ip_utilisees()
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done = 1
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for net in NETs.keys():
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dlg.gauge_update(int(done*100/(len(NETs)+1)), text="IP libres dans %s" % net, update_text=True)
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update_ip(net, ip_occupees)
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done += 1
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dlg.gauge_update(100, text="Fini !", update_text=True)
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dlg.gauge_stop()
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