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mirror of https://github.com/netbox-community/netbox.git synced 2024-05-10 07:54:54 +00:00

112 lines
3.3 KiB
Python

from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
from django.contrib.contenttypes.models import ContentType
from django.core.validators import MaxValueValidator, MinValueValidator
from django.db import models
from django.urls import reverse
from extras.utils import extras_features
from netbox.models import ChangeLoggedModel, PrimaryModel
from ipam.choices import *
from ipam.constants import *
__all__ = (
'FHRPGroup',
'FHRPGroupAssignment',
)
@extras_features('custom_fields', 'custom_links', 'export_templates', 'tags', 'webhooks')
class FHRPGroup(PrimaryModel):
"""
A grouping of next hope resolution protocol (FHRP) peers. (For instance, VRRP or HSRP.)
"""
group_id = models.PositiveSmallIntegerField(
verbose_name='Group ID'
)
protocol = models.CharField(
max_length=50,
choices=FHRPGroupProtocolChoices
)
auth_type = models.CharField(
max_length=50,
choices=FHRPGroupAuthTypeChoices,
blank=True,
verbose_name='Authentication type'
)
auth_key = models.CharField(
max_length=255,
blank=True,
verbose_name='Authentication key'
)
description = models.CharField(
max_length=200,
blank=True
)
ip_addresses = GenericRelation(
to='ipam.IPAddress',
content_type_field='assigned_object_type',
object_id_field='assigned_object_id',
related_query_name='fhrpgroup'
)
clone_fields = ('protocol', 'auth_type', 'auth_key')
class Meta:
ordering = ['protocol', 'group_id', 'pk']
verbose_name = 'FHRP group'
def __str__(self):
name = f'{self.get_protocol_display()}: {self.group_id}'
# Append the list of assigned IP addresses to serve as an additional identifier
if self.pk:
ip_addresses = [
str(ip.address) for ip in self.ip_addresses.all()
]
if ip_addresses:
return f"{name} ({', '.join(ip_addresses)})"
return name
def get_absolute_url(self):
return reverse('ipam:fhrpgroup', args=[self.pk])
@extras_features('webhooks')
class FHRPGroupAssignment(ChangeLoggedModel):
interface_type = models.ForeignKey(
to=ContentType,
on_delete=models.CASCADE
)
interface_id = models.PositiveIntegerField()
interface = GenericForeignKey(
ct_field='interface_type',
fk_field='interface_id'
)
group = models.ForeignKey(
to='ipam.FHRPGroup',
on_delete=models.CASCADE
)
priority = models.PositiveSmallIntegerField(
validators=(
MinValueValidator(FHRPGROUPASSIGNMENT_PRIORITY_MIN),
MaxValueValidator(FHRPGROUPASSIGNMENT_PRIORITY_MAX)
)
)
clone_fields = ('interface_type', 'interface_id')
class Meta:
ordering = ('-priority', 'pk')
unique_together = ('interface_type', 'interface_id', 'group')
verbose_name = 'FHRP group assignment'
def __str__(self):
return f'{self.interface}: {self.group} ({self.priority})'
def get_absolute_url(self):
# Used primarily for redirection after creating a new assignment
if self.interface:
return self.interface.get_absolute_url()
return None