mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-12-25 00:13:45 +00:00
147 lines
5.8 KiB
Python
147 lines
5.8 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
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# se veut agnostique au réseau considéré, de manière à être installable en
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# quelques clics.
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#
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# Copyright © 2017 Gabriel Détraz
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# Copyright © 2017 Goulven Kermarec
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# Copyright © 2017 Augustin Lemesle
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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from django.db import models
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from django.db.models.signals import post_delete
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from django.dispatch import receiver
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from django.forms import ModelForm, Form
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from django.contrib.contenttypes.models import ContentType
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from django.contrib.contenttypes.fields import GenericForeignKey
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from django.core.exceptions import ValidationError
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import reversion
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from machines.models import Vlan
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def make_port_related(port):
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related_port = port.related
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related_port.related = port
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related_port.save()
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def clean_port_related(port):
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related_port = port.related_port
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related_port.related = None
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related_port.save()
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class Stack(models.Model):
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PRETTY_NAME = "Stack de switchs"
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name = models.CharField(max_length=32, blank=True, null=True)
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stack_id = models.CharField(max_length=32, unique=True)
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details = models.CharField(max_length=255, blank=True, null=True)
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member_id_min = models.IntegerField()
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member_id_max = models.IntegerField()
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def __str__(self):
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return " ".join([self.name, self.stack_id])
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def save(self, *args, **kwargs):
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if not self.name:
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self.name = self.stack_id
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super(Stack, self).save(*args, **kwargs)
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def clean(self):
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if self.member_id_max < self.member_id_min:
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raise ValidationError({'member_id_max':"L'id maximale est inférieure à l'id minimale"})
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class Switch(models.Model):
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PRETTY_NAME = "Switch / Commutateur"
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switch_interface = models.OneToOneField('machines.Interface', on_delete=models.CASCADE)
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location = models.CharField(max_length=255)
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number = models.IntegerField()
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details = models.CharField(max_length=255, blank=True)
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stack = models.ForeignKey(Stack, blank=True, null=True, on_delete=models.SET_NULL)
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stack_member_id = models.IntegerField(blank=True, null=True)
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class Meta:
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unique_together = ('stack','stack_member_id')
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def __str__(self):
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return str(self.location) + ' ' + str(self.switch_interface)
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def clean(self):
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if self.stack is not None:
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if self.stack_member_id is not None:
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if (self.stack_member_id > self.stack.member_id_max) or (self.stack_member_id < self.stack.member_id_min):
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raise ValidationError({'stack_member_id': "L'id de ce switch est en dehors des bornes permises pas la stack"})
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else:
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raise ValidationError({'stack_member_id': "L'id dans la stack ne peut être nul"})
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class Port(models.Model):
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PRETTY_NAME = "Port de switch"
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STATES_BASE = (
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('NO', 'NO'),
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('STRICT', 'STRICT'),
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('BLOQ', 'BLOQ'),
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('COMMON', 'COMMON'),
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)
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try:
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STATES = STATES_BASE + tuple([(str(id), str(id)) for id in list(Vlan.objects.values_list('vlan_id', flat=True).order_by('vlan_id'))])
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except:
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STATES = STATES_BASE
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switch = models.ForeignKey('Switch', related_name="ports")
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port = models.IntegerField()
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room = models.ForeignKey('Room', on_delete=models.PROTECT, blank=True, null=True)
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machine_interface = models.ForeignKey('machines.Interface', on_delete=models.SET_NULL, blank=True, null=True)
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related = models.OneToOneField('self', null=True, blank=True, related_name='related_port')
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radius = models.CharField(max_length=32, choices=STATES, default='NO')
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details = models.CharField(max_length=255, blank=True)
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class Meta:
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unique_together = ('switch', 'port')
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def clean(self):
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if hasattr(self, 'switch'):
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if self.port > self.switch.number:
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raise ValidationError("Ce port ne peut exister, numero trop élevé")
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if self.room and self.machine_interface or self.room and self.related or self.machine_interface and self.related:
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raise ValidationError("Chambre, interface et related_port sont mutuellement exclusifs")
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if self.related==self:
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raise ValidationError("On ne peut relier un port à lui même")
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if self.related and not self.related.related:
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if self.related.machine_interface or self.related.room:
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raise ValidationError("Le port relié est déjà occupé, veuillez le libérer avant de créer une relation")
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else:
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make_port_related(self)
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elif hasattr(self, 'related_port'):
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clean_port_related(self)
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def __str__(self):
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return str(self.switch) + " - " + str(self.port)
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class Room(models.Model):
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PRETTY_NAME = "Chambre/ Prise murale"
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name = models.CharField(max_length=255, unique=True)
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details = models.CharField(max_length=255, blank=True)
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class Meta:
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ordering = ['name']
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def __str__(self):
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return str(self.name)
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@receiver(post_delete, sender=Stack)
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def stack_post_delete(sender, **kwargs):
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Switch.objects.filter(stack=None).update(stack_member_id = None)
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