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Reaffectation totale des ip si modification des machinestypes
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1 changed files with 18 additions and 0 deletions
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@ -34,6 +34,7 @@ from reversion import revisions as reversion
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from re2o.settings import MAIN_EXTENSION
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class Machine(models.Model):
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""" Class définissant une machine, object parent user, objets fils interfaces"""
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PRETTY_NAME = "Machine"
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user = models.ForeignKey('users.User', on_delete=models.PROTECT)
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@ -44,15 +45,20 @@ class Machine(models.Model):
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return str(self.user) + ' - ' + str(self.id) + ' - ' + str(self.name)
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class MachineType(models.Model):
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""" Type de machine, relié à un type d'ip, affecté aux interfaces"""
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PRETTY_NAME = "Type de machine"
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type = models.CharField(max_length=255)
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ip_type = models.ForeignKey('IpType', on_delete=models.PROTECT, blank=True, null=True)
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def all_interfaces(self):
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return Interface.objects.filter(type=self)
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def __str__(self):
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return self.type
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class IpType(models.Model):
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""" Type d'ip, définissant un range d'ip, affecté aux machine types"""
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PRETTY_NAME = "Type d'ip"
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type = models.CharField(max_length=255)
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@ -89,6 +95,7 @@ class IpType(models.Model):
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obj, created = IpList.objects.get_or_create(ip_type=self, ipv4=str(ip))
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def del_ip_range(self):
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""" Methode dépréciée, IpList est en mode cascade et supprimé automatiquement"""
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if Interface.objects.filter(ipv4__in=self.ip_objects()):
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raise ValidationError("Une ou plusieurs ip du range sont affectées, impossible de supprimer le range")
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for ip in self.ip_objects():
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@ -173,6 +180,11 @@ class Interface(models.Model):
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def unassign_ipv4(self):
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self.ipv4 = None
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def update_type(self):
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""" Lorsque le machinetype est changé de type d'ip, on réassigne"""
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self.clean()
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self.save()
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def save(self, *args, **kwargs):
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self.mac_address = str(EUI(self.mac_address)) or None
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# On verifie la cohérence en forçant l'extension par la méthode
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@ -277,3 +289,9 @@ def iptype_post_save(sender, **kwargs):
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iptype = kwargs['instance']
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iptype.gen_ip_range()
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@receiver(post_save, sender=MachineType)
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def machine_post_save(sender, **kwargs):
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machinetype = kwargs['instance']
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for interface in machinetype.all_interfaces():
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interface.update_type()
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