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Closes #946: Disregard mask length when filtering IP addresses by a parent prefix

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This commit is contained in:
Jeremy Stretch
2017-03-08 11:59:24 -05:00
parent 4e766c7c3b
commit ed83b1d9e9
4 changed files with 19 additions and 5 deletions
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14
netbox/ipam/lookups.py
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@@ -89,6 +89,20 @@ class NetHost(Lookup):
return 'HOST(%s) = %s' % (lhs, rhs), params
class NetHostContained(Lookup):
"""
Check for the host portion of an IP address without regard to its mask. This allows us to find e.g. 192.0.2.1/24
when specifying a parent prefix of 192.0.2.0/26.
"""
lookup_name = 'net_host_contained'
def as_sql(self, qn, connection):
lhs, lhs_params = self.process_lhs(qn, connection)
rhs, rhs_params = self.process_rhs(qn, connection)
params = lhs_params + rhs_params
return 'CAST(HOST(%s) AS INET) << %s' % (lhs, rhs), params
class NetMaskLength(Transform):
lookup_name = 'net_mask_length'
function = 'MASKLEN'