Numero disponible -> archives

archive/gestion/numeros_disponibles.py

@@ -0,0 +1,92 @@
+#!/bin/bash /usr/scripts/python.sh
+# -*- coding: utf-8 -*-
+
+"""
+Mise a jour periodique des listes d'ip et d'id disponibles.
+
+Copyright (C) Alexandre Bos, largement pompe sur ldap_crans.py
+Licence : GPLv2
+"""
+
+import sys
+from config import NETs
+from iptools import AddrInNet
+import netaddr
+
+try:
+    from dialog import Dialog
+except ImportError:
+    Dialog = None
+
+repertoire =  '/usr/scripts/var/numeros_disponibles/'
+
+def lister_ip_dispo(plage):
+    f = open(repertoire + 'ip_' + plage)
+    lignes = f.readlines()
+    liste = []
+    for l in lignes:
+        liste.append(l.strip())
+    return liste
+
+def lister_ip_utilisees():
+    liste = []
+    from ldap_crans import crans_ldap
+    db = crans_ldap()
+    r = db.search('mid=*')
+    machines = r['machineFixe'] + r['machineWifi'] + r['machineCrans'] + r['borneWifi']
+    for m in machines:
+        liste.append(m.ip())
+    return liste
+
+def update_ip(plage, occupees):
+    net = NETs[plage]
+    pool_ip = []                # Pool d'IP à tester
+    for ne in net:
+        ne = netaddr.IPNetwork(ne)
+        for ip in ne:
+            # avoid .255 and .0 (even for non-/24 nets)
+            if (ip.value & 255) in [0,255]:
+                continue
+            pool_ip.append(str(ip))
+
+    resultat = ''.join('%s\n' % ip for ip in pool_ip if ip not in occupees)
+
+    f = open(repertoire + 'ip_' + plage,'w')
+    f.write(resultat)
+    f.close
+
+def update_ip_fixe(occupees):
+    update_ip('fil', 'ip_fil', occupees)
+
+def update_ip_wifi_adh(occupees):
+    update_ip('wifi-adh','ip_wifi-adh', occupees)
+
+TO_COMPUTE = [
+    'wifi',
+    'wifi-adh',
+    'serveurs',
+    'adherents',
+    'bornes',
+    'adm',
+    'personnel-ens',
+    'fil',
+]
+
+if __name__ == "__main__":
+    if "--cron" in sys.argv:
+        cron = True
+    else:
+        cron = False
+    if not cron:
+        dlg = Dialog()
+        dlg.gauge_start(text="Recherche des machines...", backtitle="numeros_disponibles")
+    ip_occupees = lister_ip_utilisees()
+    done = 1
+    for net in TO_COMPUTE:
+        if not cron:
+            dlg.gauge_update(int(done*100/(len(TO_COMPUTE)+1)), text="IP libres dans %s" % net, update_text=True)
+        update_ip(net, ip_occupees)
+        done += 1
+    if not cron:
+        dlg.gauge_update(100, text="Fini !", update_text=True)
+        dlg.gauge_stop()