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Closes #1773: Moved child prefixes table to its own view

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This commit is contained in:
Jeremy Stretch
2017-12-20 14:01:37 -05:00
parent 6d9c8fd85b
commit 50395aa821
7 changed files with 77 additions and 43 deletions
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43
netbox/ipam/models.py
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@@ -281,12 +281,28 @@ class Prefix(CreatedUpdatedModel, CustomFieldModel):
def get_duplicates(self):
return Prefix.objects.filter(vrf=self.vrf, prefix=str(self.prefix)).exclude(pk=self.pk)
def get_child_prefixes(self):
"""
Return all Prefixes within this Prefix and VRF.
"""
return Prefix.objects.filter(prefix__net_contained=str(self.prefix), vrf=self.vrf)
def get_child_ips(self):
"""
Return all IPAddresses within this Prefix.
Return all IPAddresses within this Prefix and VRF.
"""
return IPAddress.objects.filter(address__net_host_contained=str(self.prefix), vrf=self.vrf)
def get_available_prefixes(self):
"""
Return all available Prefixes within this prefix as an IPSet.
"""
prefix = netaddr.IPSet(self.prefix)
child_prefixes = netaddr.IPSet([child.prefix for child in self.get_child_prefixes()])
available_prefixes = prefix - child_prefixes
return available_prefixes
def get_available_ips(self):
"""
Return all available IPs within this prefix as an IPSet.
@@ -304,15 +320,23 @@ class Prefix(CreatedUpdatedModel, CustomFieldModel):
return available_ips
def get_first_available_prefix(self):
"""
Return the first available child prefix within the prefix (or None).
"""
available_prefixes = self.get_available_prefixes()
if not available_prefixes:
return None
return available_prefixes.iter_cidrs()[0]
def get_first_available_ip(self):
"""
Return the first available IP within the prefix (or None).
"""
available_ips = self.get_available_ips()
if available_ips:
return '{}/{}'.format(next(available_ips.__iter__()), self.prefix.prefixlen)
else:
if not available_ips:
return None
return '{}/{}'.format(next(available_ips.__iter__()), self.prefix.prefixlen)
def get_utilization(self):
"""
@@ -330,17 +354,6 @@ class Prefix(CreatedUpdatedModel, CustomFieldModel):
prefix_size -= 2
return int(float(child_count) / prefix_size * 100)
@property
def new_subnet(self):
if self.family == 4:
if self.prefix.prefixlen <= 30:
return netaddr.IPNetwork('{}/{}'.format(self.prefix.network, self.prefix.prefixlen + 1))
return None
if self.family == 6:
if self.prefix.prefixlen <= 126:
return netaddr.IPNetwork('{}/{}'.format(self.prefix.network, self.prefix.prefixlen + 1))
return None
class IPAddressManager(models.Manager):