126 lines
5.5 KiB
Python
126 lines
5.5 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import netaddr
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from neutron_lib import constants
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from neutron.ipam import utils
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from neutron.tests import base
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class TestIpamUtils(base.BaseTestCase):
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def test_check_subnet_ip_v4_network(self):
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self.assertFalse(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.0'))
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def test_check_subnet_ip_v4_broadcast(self):
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self.assertFalse(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.255'))
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def test_check_subnet_ip_v4_valid(self):
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self.assertTrue(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.1'))
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self.assertTrue(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.254'))
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def test_check_subnet_ip_v6_owner_router_or_not_defined(self):
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for port_owner in (constants.ROUTER_PORT_OWNERS + ('', )):
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# IP address == network
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self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::0',
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port_owner=port_owner))
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# IP address == broadcast
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self.assertTrue(utils.check_subnet_ip(
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'F111::0/64', 'F111::FFFF:FFFF:FFFF:FFFF',
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port_owner=port_owner))
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# IP address in network
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self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::50',
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port_owner=port_owner))
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# IP address not in network
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self.assertFalse(utils.check_subnet_ip('F111::0/64', 'F112::50',
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port_owner=port_owner))
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def test_check_subnet_ip_v6_owner_not_router(self):
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port_owner = 'nova:compute'
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# IP address == network
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self.assertFalse(utils.check_subnet_ip('F111::0/64', 'F111::0',
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port_owner=port_owner))
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# IP address == broadcast
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self.assertTrue(utils.check_subnet_ip(
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'F111::0/64', 'F111::FFFF:FFFF:FFFF:FFFF',
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port_owner=port_owner))
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# IP address in network
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self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::50',
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port_owner=port_owner))
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# IP address not in network
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self.assertFalse(utils.check_subnet_ip('F111::0/64', 'F112::50',
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port_owner=port_owner))
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def test_generate_pools_v4_nogateway(self):
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cidr = '192.168.0.0/24'
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expected = [netaddr.IPRange('192.168.0.1', '192.168.0.254')]
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self.assertEqual(expected, utils.generate_pools(cidr, None))
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def test_generate_pools_v4_gateway_first(self):
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cidr = '192.168.0.0/24'
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gateway = '192.168.0.1'
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expected = [netaddr.IPRange('192.168.0.2', '192.168.0.254')]
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self.assertEqual(expected, utils.generate_pools(cidr, gateway))
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def test_generate_pools_v4_gateway_last(self):
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cidr = '192.168.0.0/24'
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gateway = '192.168.0.254'
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expected = [netaddr.IPRange('192.168.0.1', '192.168.0.253')]
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self.assertEqual(expected, utils.generate_pools(cidr, gateway))
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def test_generate_pools_v4_32(self):
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# 32 is special because it should have 1 usable address
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cidr = '192.168.0.0/32'
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expected = [netaddr.IPRange('192.168.0.0', '192.168.0.0')]
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self.assertEqual(expected, utils.generate_pools(cidr, None))
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def test_generate_pools_v4_31(self):
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cidr = '192.168.0.0/31'
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expected = []
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self.assertEqual(expected, utils.generate_pools(cidr, None))
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def test_generate_pools_v4_gateway_middle(self):
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cidr = '192.168.0.0/24'
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gateway = '192.168.0.128'
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expected = [netaddr.IPRange('192.168.0.1', '192.168.0.127'),
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netaddr.IPRange('192.168.0.129', '192.168.0.254')]
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self.assertEqual(expected, utils.generate_pools(cidr, gateway))
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def test_generate_pools_v6_nogateway(self):
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# other than the difference in the last address, the rest of the
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# logic is the same as v4 so we only need one test
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cidr = 'F111::0/64'
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expected = [netaddr.IPRange('F111::1', 'F111::FFFF:FFFF:FFFF:FFFF')]
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self.assertEqual(expected, utils.generate_pools(cidr, None))
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def test_generate_pools_v6_empty(self):
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# We want to be sure the range will begin and end with an IPv6
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# address, even if an ambiguous ::/64 cidr is given.
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cidr = '::/64'
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expected = [netaddr.IPRange('::1', '::FFFF:FFFF:FFFF:FFFF')]
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self.assertEqual(expected, utils.generate_pools(cidr, None))
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def test_check_gateway_invalid_in_subnet(self):
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data = [('10.0.0.1', '10.0.0.0/8', False),
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('10.255.255.255', '10.0.0.0/8', True),
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('10.0.0.0', '10.0.0.0/8', True),
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('192.168.100.10', '10.0.0.0/8', False),
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('2001:db8::1', '2001:db8::/64', False),
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]
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for gw_ip, network_cidr, result in data:
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self.assertEqual(result, utils.check_gateway_invalid_in_subnet(
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network_cidr, gw_ip))
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