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Gestion du prefix, warning et remplacement en cas de changement

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Gabriel Detraz 2018-01-30 03:51:15 +00:00 committed by root
parent 623f1056c3
commit f11f577b1d
1 changed files with 18 additions and 0 deletions
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18
machines/models.py
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@ -26,6 +26,7 @@ from __future__ import unicode_literals
from datetime import timedelta
import re
from netaddr import mac_bare, EUI, IPSet, IPRange, IPNetwork, IPAddress
from ipaddress import IPv6Address
from django.db import models
from django.db.models.signals import post_save, post_delete
@ -336,6 +337,14 @@ class IpType(models.Model):
for ip in self.ip_objects():
ip.delete()
def check_replace_prefixv6(self):
"""Remplace les prefixv6 des interfaces liées à ce type d'ip"""
if not self.prefix_v6:
return
else:
for ipv6 in Ipv6List.objects.filter(interface__in=Interface.objects.filter(type__in=MachineType.objects.filter(ip_type=self))):
ipv6.check_and_replace_prefix(prefix=self.prefix_v6)
def clean(self):
""" Nettoyage. Vérifie :
- Que ip_stop est après ip_start
@ -1477,9 +1486,17 @@ class Ipv6List(FieldPermissionModelMixin, models.Model):
'slaac_ip' : self.can_change_slaac_ip,
}
def check_and_replace_prefix(self, prefix=None):
"""Si le prefixe v6 est incorrect, on maj l'ipv6"""
if IPv6Address(self.ipv6).exploded[:20] != IPv6Address(prefix or self.interface.type.ip_type.prefix_v6).exploded[:20]:
self.ipv6 = IPv6Address(IPv6Address(prefix or self.interface.type.ip_type.prefix_v6).exploded[:20] + IPv6Address(self.ipv6).exploded[20:])
self.save()
def clean(self, *args, **kwargs):
if self.slaac_ip and Ipv6List.objects.filter(interface=self.interface, slaac_ip=True).exclude(id=self.id):
raise ValidationError("Une ip slaac est déjà enregistrée")
if IPv6Address(self.ipv6).exploded[:20] != IPv6Address(self.interface.type.ip_type.prefix_v6).exploded[:20]:
raise ValidationError("Le prefixv6 est incorrect et ne correspond pas au type associé à la machine")
super(Ipv6List, self).clean(*args, **kwargs)
def save(self, *args, **kwargs):
@ -2187,6 +2204,7 @@ def iptype_post_save(sender, **kwargs):
"""Generation des objets ip après modification d'un range ip"""
iptype = kwargs['instance']
iptype.gen_ip_range()
iptype.check_replace_prefixv6()
@receiver(post_save, sender=MachineType)