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Added Prefix.new_subnet property

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This commit is contained in:
Jeremy Stretch
2016-03-02 22:10:25 -05:00
parent c803aaf4d4
commit 337815f81d
1 changed files with 12 additions and 1 deletions
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13
netbox/ipam/models.py
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@ -1,4 +1,4 @@
from netaddr import cidr_merge
from netaddr import IPNetwork, cidr_merge
from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
@ -214,6 +214,17 @@ class Prefix(models.Model):
self.family = self.prefix.version
super(Prefix, self).save(*args, **kwargs)
@property
def new_subnet(self):
if self.family == 4:
if self.prefix.prefixlen <= 30:
return IPNetwork('{}/{}'.format(self.prefix.network, self.prefix.prefixlen + 1))
return None
if self.family == 6:
if self.prefix.prefixlen <= 126:
return IPNetwork('{}/{}'.format(self.prefix.network, self.prefix.prefixlen + 1))
return None
class IPAddress(models.Model):
"""