mirror of
https://github.com/netbox-community/netbox.git
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108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
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from django.contrib.contenttypes.models import ContentType
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from django.core.validators import MaxValueValidator, MinValueValidator
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from django.db import models
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from django.urls import reverse
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from netbox.models import ChangeLoggedModel, NetBoxModel
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from netbox.models.features import WebhooksMixin
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from ipam.choices import *
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from ipam.constants import *
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__all__ = (
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'FHRPGroup',
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'FHRPGroupAssignment',
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)
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class FHRPGroup(NetBoxModel):
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"""
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A grouping of next hope resolution protocol (FHRP) peers. (For instance, VRRP or HSRP.)
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"""
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group_id = models.PositiveSmallIntegerField(
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verbose_name='Group ID'
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)
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protocol = models.CharField(
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max_length=50,
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choices=FHRPGroupProtocolChoices
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)
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auth_type = models.CharField(
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max_length=50,
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choices=FHRPGroupAuthTypeChoices,
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blank=True,
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verbose_name='Authentication type'
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)
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auth_key = models.CharField(
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max_length=255,
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blank=True,
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verbose_name='Authentication key'
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)
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description = models.CharField(
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max_length=200,
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blank=True
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)
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ip_addresses = GenericRelation(
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to='ipam.IPAddress',
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content_type_field='assigned_object_type',
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object_id_field='assigned_object_id',
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related_query_name='fhrpgroup'
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)
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clone_fields = ('protocol', 'auth_type', 'auth_key', 'description')
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class Meta:
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ordering = ['protocol', 'group_id', 'pk']
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verbose_name = 'FHRP group'
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def __str__(self):
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name = f'{self.get_protocol_display()}: {self.group_id}'
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# Append the first assigned IP addresses (if any) to serve as an additional identifier
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if self.pk:
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ip_address = self.ip_addresses.first()
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if ip_address:
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return f"{name} ({ip_address})"
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return name
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def get_absolute_url(self):
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return reverse('ipam:fhrpgroup', args=[self.pk])
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class FHRPGroupAssignment(WebhooksMixin, ChangeLoggedModel):
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interface_type = models.ForeignKey(
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to=ContentType,
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on_delete=models.CASCADE
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)
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interface_id = models.PositiveBigIntegerField()
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interface = GenericForeignKey(
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ct_field='interface_type',
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fk_field='interface_id'
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)
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group = models.ForeignKey(
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to='ipam.FHRPGroup',
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on_delete=models.CASCADE
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)
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priority = models.PositiveSmallIntegerField(
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validators=(
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MinValueValidator(FHRPGROUPASSIGNMENT_PRIORITY_MIN),
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MaxValueValidator(FHRPGROUPASSIGNMENT_PRIORITY_MAX)
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)
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)
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clone_fields = ('interface_type', 'interface_id')
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class Meta:
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ordering = ('-priority', 'pk')
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unique_together = ('interface_type', 'interface_id', 'group')
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verbose_name = 'FHRP group assignment'
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def __str__(self):
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return f'{self.interface}: {self.group} ({self.priority})'
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def get_absolute_url(self):
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# Used primarily for redirection after creating a new assignment
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if self.interface:
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return self.interface.get_absolute_url()
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return None
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