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Fixes #2455: Ignore unique address enforcement for IPs with a shared/virtual role

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This commit is contained in:
Jeremy Stretch 2018-09-24 16:59:33 -04:00
parent 0e18997c79
commit 9440ac7640
4 changed files with 22 additions and 1 deletions
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1
CHANGELOG.md
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@ -11,6 +11,7 @@ v2.4.5 (FUTURE)
* [#2442](https://github.com/digitalocean/netbox/issues/2442) - Nullify "next" link in API when limit=0 is passed
* [#2443](https://github.com/digitalocean/netbox/issues/2443) - Enforce JSON object format when creating config contexts
* [#2444](https://github.com/digitalocean/netbox/issues/2444) - Improve validation of interface MAC addresses
* [#2455](https://github.com/digitalocean/netbox/issues/2455) - Ignore unique address enforcement for IPs with a shared/virtual role
---

10
netbox/ipam/constants.py
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@ -51,6 +51,16 @@ IPADDRESS_ROLE_CHOICES = (
(IPADDRESS_ROLE_CARP, 'CARP'),
)
IPADDRESS_ROLES_NONUNIQUE = (
# IPAddress roles which are exempt from unique address enforcement
IPADDRESS_ROLE_ANYCAST,
IPADDRESS_ROLE_VIP,
IPADDRESS_ROLE_VRRP,
IPADDRESS_ROLE_HSRP,
IPADDRESS_ROLE_GLBP,
IPADDRESS_ROLE_CARP,
)
# VLAN statuses
VLAN_STATUS_ACTIVE = 1
VLAN_STATUS_RESERVED = 2

6
netbox/ipam/models.py
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@ -596,7 +596,11 @@ class IPAddress(ChangeLoggedModel, CustomFieldModel):
if self.address:
# Enforce unique IP space (if applicable)
if (self.vrf is None and settings.ENFORCE_GLOBAL_UNIQUE) or (self.vrf and self.vrf.enforce_unique):
if self.role not in IPADDRESS_ROLES_NONUNIQUE and (
self.vrf is None and settings.ENFORCE_GLOBAL_UNIQUE
) or (
self.vrf and self.vrf.enforce_unique
):
duplicate_ips = self.get_duplicates()
if duplicate_ips:
raise ValidationError({

6
netbox/ipam/tests/test_models.py
View File

@ -4,6 +4,7 @@ import netaddr
from django.core.exceptions import ValidationError
from django.test import TestCase, override_settings
from ipam.constants import IPADDRESS_ROLE_VIP
from ipam.models import IPAddress, Prefix, VRF
@ -59,3 +60,8 @@ class TestIPAddress(TestCase):
IPAddress.objects.create(vrf=vrf, address=netaddr.IPNetwork('192.0.2.1/24'))
duplicate_ip = IPAddress(vrf=vrf, address=netaddr.IPNetwork('192.0.2.1/24'))
self.assertRaises(ValidationError, duplicate_ip.clean)
@override_settings(ENFORCE_GLOBAL_UNIQUE=True)
def test_duplicate_nonunique_role(self):
IPAddress.objects.create(address=netaddr.IPNetwork('192.0.2.1/24'), role=IPADDRESS_ROLE_VIP)
IPAddress.objects.create(address=netaddr.IPNetwork('192.0.2.1/24'), role=IPADDRESS_ROLE_VIP)