def test_get_child_ranges(self):
prefix = Prefix(prefix='192.168.0.16/28')
prefix.save()
ranges = IPRange.objects.bulk_create((
IPRange(start_address=IPNetwork('192.168.0.1/24'),
end_address=IPNetwork('192.168.0.10/24'),
size=10), # No overlap
IPRange(start_address=IPNetwork('192.168.0.11/24'),
end_address=IPNetwork('192.168.0.17/24'),
size=7), # Partial overlap
IPRange(start_address=IPNetwork('192.168.0.18/24'),
end_address=IPNetwork('192.168.0.23/24'),
size=6), # Full overlap
IPRange(start_address=IPNetwork('192.168.0.24/24'),
end_address=IPNetwork('192.168.0.30/24'),
size=7), # Full overlap
IPRange(start_address=IPNetwork('192.168.0.31/24'),
end_address=IPNetwork('192.168.0.40/24'),
size=10), # Partial overlap
))
child_ranges = prefix.get_child_ranges()
self.assertEqual(len(child_ranges), 2)
self.assertEqual(child_ranges[0], ranges[2])
self.assertEqual(child_ranges[1], ranges[3])
def create_mgmt_prefix(self, site, site_no, vlan):
prefix_cidr = "172.30.%d.0/24" % site_no
try:
prefix = Prefix.objects.get(prefix=prefix_cidr)
self.log_info("Mgmt prefix %s already present, carrying on." %
prefix)
return prefix
except Prefix.DoesNotExist:
pass
prefix = Prefix(site=site,
prefix=prefix_cidr,
vlan=vlan,
role=Role.objects.get(name='Mgmt'))
prefix.save()
self.log_success("Created mgmt prefix %s" % prefix)
return prefix
