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18 lines
815 B
Python
18 lines
815 B
Python
from django.db.models import Manager
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from ipam.lookups import Host, Inet
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from utilities.querysets import RestrictedQuerySet
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class IPAddressManager(Manager.from_queryset(RestrictedQuerySet)):
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def get_queryset(self):
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"""
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By default, PostgreSQL will order INETs with shorter (larger) prefix lengths ahead of those with longer
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(smaller) masks. This makes no sense when ordering IPs, which should be ordered solely by family and host
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address. We can use HOST() to extract just the host portion of the address (ignoring its mask), but we must
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then re-cast this value to INET() so that records will be ordered properly. We are essentially re-casting each
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IP address as a /32 or /128.
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"""
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return super().get_queryset().order_by(Inet(Host('address')))
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