159 lines
6.8 KiB
Python
159 lines
6.8 KiB
Python
# Copyright (c) 2015 Infoblox 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 mock
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from neutron_lib import constants
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from neutron.common import constants as n_const
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from neutron.db import ipam_backend_mixin
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from neutron.tests import base
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class TestIpamBackendMixin(base.BaseTestCase):
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def setUp(self):
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super(TestIpamBackendMixin, self).setUp()
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self.mixin = ipam_backend_mixin.IpamBackendMixin()
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self.ctx = mock.Mock()
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self.default_new_ips = (('id-1', '192.168.1.1'),
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('id-2', '192.168.1.2'))
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self.default_original_ips = (('id-1', '192.168.1.1'),
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('id-5', '172.20.16.5'))
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self.owner_non_router = constants.DEVICE_OWNER_DHCP
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self.owner_router = constants.DEVICE_OWNER_ROUTER_INTF
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def _prepare_ips(self, ips):
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return [{'ip_address': ip[1],
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'subnet_id': ip[0]} for ip in ips]
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def _mock_slaac_subnet_on(self):
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slaac_subnet = {'ipv6_address_mode': n_const.IPV6_SLAAC,
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'ipv6_ra_mode': n_const.IPV6_SLAAC}
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self.mixin._get_subnet = mock.Mock(return_value=slaac_subnet)
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def _mock_slaac_subnet_off(self):
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non_slaac_subnet = {'ipv6_address_mode': None,
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'ipv6_ra_mode': None}
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self.mixin._get_subnet = mock.Mock(return_value=non_slaac_subnet)
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def _test_get_changed_ips_for_port(self, expected_change, original_ips,
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new_ips, owner):
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change = self.mixin._get_changed_ips_for_port(self.ctx,
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original_ips,
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new_ips,
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owner)
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self.assertEqual(expected_change, change)
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def test__get_changed_ips_for_port(self):
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new_ips = self._prepare_ips(self.default_new_ips)
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original_ips = self._prepare_ips(self.default_original_ips)
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expected_change = self.mixin.Changes(add=[new_ips[1]],
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original=[original_ips[0]],
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remove=[original_ips[1]])
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self._test_get_changed_ips_for_port(expected_change, original_ips,
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new_ips, self.owner_router)
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def test__get_changed_ips_for_port_autoaddress(self):
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new_ips = self._prepare_ips(self.default_new_ips)
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original = (('id-1', '192.168.1.1'),
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('id-5', '2000:1234:5678::12FF:FE34:5678'))
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original_ips = self._prepare_ips(original)
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self._mock_slaac_subnet_on()
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expected_change = self.mixin.Changes(add=[new_ips[1]],
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original=original_ips,
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remove=[])
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self._test_get_changed_ips_for_port(expected_change, original_ips,
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new_ips, self.owner_non_router)
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def test__get_changed_ips_for_port_autoaddress_ipv6_pd_enabled(self):
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owner_not_router = constants.DEVICE_OWNER_DHCP
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new_ips = self._prepare_ips(self.default_new_ips)
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original = (('id-1', '192.168.1.1'),
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('id-5', '2000:1234:5678::12FF:FE34:5678'))
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original_ips = self._prepare_ips(original)
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# mock to test auto address part
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pd_subnet = {'subnetpool_id': constants.IPV6_PD_POOL_ID,
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'ipv6_address_mode': n_const.IPV6_SLAAC,
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'ipv6_ra_mode': n_const.IPV6_SLAAC}
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self.mixin._get_subnet = mock.Mock(return_value=pd_subnet)
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# make a copy of original_ips
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# since it is changed by _get_changed_ips_for_port
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expected_change = self.mixin.Changes(add=[new_ips[1]],
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original=[original_ips[0]],
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remove=[original_ips[1]])
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self._test_get_changed_ips_for_port(expected_change, original_ips,
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new_ips, owner_not_router)
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def _test_get_changed_ips_for_port_no_ip_address(self):
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# IP address should be added if only subnet_id is provided,
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# independently from auto_address status for subnet
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new_ips = [{'subnet_id': 'id-3'}]
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original_ips = []
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expected_change = self.mixin.Changes(add=[new_ips[0]],
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original=[],
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remove=[])
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self._test_get_changed_ips_for_port(expected_change, original_ips,
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new_ips, self.owner_non_router)
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def test__get_changed_ips_for_port_no_ip_address_no_slaac(self):
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self._mock_slaac_subnet_off()
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self._test_get_changed_ips_for_port_no_ip_address()
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def test__get_changed_ips_for_port_no_ip_address_slaac(self):
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self._mock_slaac_subnet_on()
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self._test_get_changed_ips_for_port_no_ip_address()
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def test__is_ip_required_by_subnet_for_router_port(self):
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# Owner -> router:
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# _get_subnet should not be called,
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# expected True
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self._mock_slaac_subnet_off()
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result = self.mixin._is_ip_required_by_subnet(self.ctx, 'id',
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self.owner_router)
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self.assertTrue(result)
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self.assertFalse(self.mixin._get_subnet.called)
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def test__is_ip_required_by_subnet_for_non_router_port(self):
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# Owner -> not router:
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# _get_subnet should be called,
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# expected True, because subnet is not slaac
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self._mock_slaac_subnet_off()
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result = self.mixin._is_ip_required_by_subnet(self.ctx, 'id',
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self.owner_non_router)
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self.assertTrue(result)
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self.assertTrue(self.mixin._get_subnet.called)
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def test__is_ip_required_by_subnet_for_non_router_port_and_slaac(self):
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# Owner -> not router:
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# _get_subnet should be called,
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# expected False, because subnet is slaac
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self._mock_slaac_subnet_on()
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result = self.mixin._is_ip_required_by_subnet(self.ctx, 'id',
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self.owner_non_router)
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self.assertFalse(result)
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self.assertTrue(self.mixin._get_subnet.called)
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