NeoAnd/netbox
1
0
Fork 0
mirror of https://github.com/netbox-community/netbox.git synced 2025-07-22 20:12:00 -06:00
Code Issues Actions 8 Packages Projects Releases Wiki Activity

Closes #1298: Calculate prefix utilization based on its status (container or non-container)

Browse Source
This commit is contained in:
Jeremy Stretch 2017-06-26 17:36:24 -04:00
parent adfcb5f7b6
commit 3f82be7192
2 changed files with 19 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
netbox/ipam/models.py
View File

@ -1,6 +1,6 @@
from __future__ import unicode_literals
from netaddr import IPNetwork, cidr_merge
from netaddr import IPNetwork, IPSet
from django.conf import settings
from django.contrib.contenttypes.fields import GenericRelation
@ -206,13 +206,9 @@ class Aggregate(CreatedUpdatedModel, CustomFieldModel):
"""
Determine the prefix utilization of the aggregate and return it as a percentage.
"""
child_prefixes = Prefix.objects.filter(prefix__net_contained_or_equal=str(self.prefix))
# Remove overlapping prefixes from list of children
networks = cidr_merge([c.prefix for c in child_prefixes])
children_size = float(0)
for p in networks:
children_size += p.size
return int(children_size / self.prefix.size * 100)
queryset = Prefix.objects.filter(prefix__net_contained_or_equal=str(self.prefix))
child_prefixes = IPSet([p.prefix for p in queryset])
return int(float(child_prefixes.size) / self.prefix.size * 100)
@python_2_unicode_compatible
@ -370,13 +366,21 @@ class Prefix(CreatedUpdatedModel, CustomFieldModel):
def get_utilization(self):
"""
Determine the utilization of the prefix and return it as a percentage.
Determine the utilization of the prefix and return it as a percentage. For Prefixes with a status of
"container", calculate utilization based on child prefixes. For all others, count child IP addresses.
"""
child_count = IPAddress.objects.filter(address__net_contained_or_equal=str(self.prefix), vrf=self.vrf).count()
prefix_size = self.prefix.size
if self.family == 4 and self.prefix.prefixlen < 31 and not self.is_pool:
prefix_size -= 2
return int(float(child_count) / prefix_size * 100)
if self.status == PREFIX_STATUS_CONTAINER:
queryset = Prefix.objects.filter(prefix__net_contained=str(self.prefix), vrf=self.vrf)
child_prefixes = IPSet([p.prefix for p in queryset])
return int(float(child_prefixes.size) / self.prefix.size * 100)
else:
child_count = IPAddress.objects.filter(
address__net_contained_or_equal=str(self.prefix), vrf=self.vrf
).count()
prefix_size = self.prefix.size
if self.family == 4 and self.prefix.prefixlen < 31 and not self.is_pool:
prefix_size -= 2
return int(float(child_count) / prefix_size * 100)
@property
def new_subnet(self):

2
netbox/ipam/tables.py
View File

@ -241,7 +241,7 @@ class PrefixTable(BaseTable):
prefix = tables.TemplateColumn(PREFIX_LINK, attrs={'th': {'style': 'padding-left: 17px'}})
status = tables.TemplateColumn(STATUS_LABEL)
vrf = tables.TemplateColumn(VRF_LINK, verbose_name='VRF')
get_utilization = tables.TemplateColumn(UTILIZATION_GRAPH, orderable=False, verbose_name='IP Usage')
get_utilization = tables.TemplateColumn(UTILIZATION_GRAPH, orderable=False, verbose_name='Utilization')
tenant = tables.TemplateColumn(TENANT_LINK)
site = tables.LinkColumn('dcim:site', args=[Accessor('site.slug')])
vlan = tables.LinkColumn('ipam:vlan', args=[Accessor('vlan.pk')], verbose_name='VLAN')