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375 lines
17 KiB
375 lines
17 KiB
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import netaddr
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from neutron_lib.callbacks import events
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from neutron_lib.callbacks import registry
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from neutron_lib.callbacks import resources
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from neutron_lib import constants as n_const
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from neutron_lib import context
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from neutron_lib import exceptions as n_exc
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from neutron_lib.exceptions import l3 as l3_exc
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from neutron_lib.plugins import directory
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from neutron_lib.plugins import utils as plugin_utils
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from oslo_utils import uuidutils
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import testtools
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from neutron.db import l3_db
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from neutron.db.models import l3 as l3_models
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from neutron.objects import base as base_obj
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from neutron.objects import router as l3_obj
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from neutron.tests import base
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class TestL3_NAT_dbonly_mixin(base.BaseTestCase):
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def setUp(self):
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super(TestL3_NAT_dbonly_mixin, self).setUp()
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self.db = l3_db.L3_NAT_dbonly_mixin()
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def test__each_port_having_fixed_ips_none(self):
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"""Be sure the method returns an empty list when None is passed"""
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filtered = l3_db.L3_NAT_dbonly_mixin._each_port_having_fixed_ips(None)
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self.assertEqual([], list(filtered))
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def test__new__passes_args(self):
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class T(l3_db.L3_NAT_db_mixin):
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def __init__(self, *args, **kwargs):
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self.args = args
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self.kwargs = kwargs
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t = T(1, 2, a=3)
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self.assertEqual((1, 2), t.args)
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self.assertEqual({'a': 3}, t.kwargs)
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def test__each_port_having_fixed_ips(self):
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"""Basic test that ports without fixed ips are filtered out"""
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ports = [{'id': 'a', 'fixed_ips': [mock.sentinel.fixedip]},
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{'id': 'b'}]
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filtered = l3_db.L3_NAT_dbonly_mixin._each_port_having_fixed_ips(ports)
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ids = [p['id'] for p in filtered]
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self.assertEqual(['a'], ids)
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def test__get_subnets_by_network_no_query(self):
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"""Basic test that no query is performed if no Ports are passed"""
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context = mock.Mock()
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with mock.patch.object(directory, 'get_plugin') as get_p:
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self.db._get_subnets_by_network_list(context, [])
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self.assertFalse(context.session.query.called)
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self.assertFalse(get_p.called)
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def test__get_subnets_by_network(self):
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"""Basic test that the right query is called"""
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context = mock.MagicMock()
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query = context.session.query().outerjoin().filter()
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query.__iter__.return_value = [(mock.sentinel.subnet_db,
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mock.sentinel.address_scope_id)]
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with mock.patch.object(directory, 'get_plugin') as get_p:
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get_p()._make_subnet_dict.return_value = {
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'network_id': mock.sentinel.network_id}
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subnets = self.db._get_subnets_by_network_list(
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context, [mock.sentinel.network_id])
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self.assertEqual({
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mock.sentinel.network_id: [{
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'address_scope_id': mock.sentinel.address_scope_id,
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'network_id': mock.sentinel.network_id}]}, subnets)
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def test__get_mtus_by_network_list(self):
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"""Basic test that the query get_networks is correctly"""
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network = {'id': mock.sentinel.network_id,
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'name': mock.sentinel.name,
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'mtu': mock.sentinel.mtu}
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with mock.patch.object(directory, 'get_plugin') as get_p:
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get_p().get_networks.return_value = [network]
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result = self.db._get_mtus_by_network_list(
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mock.sentinel.context, [mock.sentinel.network_id])
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get_p().get_networks.assert_called_once_with(
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mock.sentinel.context,
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filters={'id': [mock.sentinel.network_id]},
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fields=['id', 'mtu'])
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self.assertEqual({mock.sentinel.network_id: mock.sentinel.mtu},
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result)
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def test__populate_ports_for_subnets_none(self):
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"""Basic test that the method runs correctly with no ports"""
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ports = []
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with mock.patch.object(directory, 'get_plugin') as get_p:
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get_p().get_networks.return_value = []
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self.db._populate_mtu_and_subnets_for_ports(mock.sentinel.context,
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ports)
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self.assertEqual([], ports)
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@mock.patch.object(l3_db.L3_NAT_dbonly_mixin,
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'_get_subnets_by_network_list')
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def test__populate_ports_for_subnets(self, get_subnets_by_network):
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cidr = "2001:db8::/64"
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subnet = {'id': mock.sentinel.subnet_id,
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'cidr': cidr,
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'gateway_ip': mock.sentinel.gateway_ip,
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'dns_nameservers': mock.sentinel.dns_nameservers,
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'ipv6_ra_mode': mock.sentinel.ipv6_ra_mode,
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'subnetpool_id': mock.sentinel.subnetpool_id,
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'address_scope_id': mock.sentinel.address_scope_id}
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get_subnets_by_network.return_value = {'net_id': [subnet]}
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ports = [{'network_id': 'net_id',
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'id': 'port_id',
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'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}]
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with mock.patch.object(directory, 'get_plugin') as get_p:
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get_p().get_networks.return_value = [{'id': 'net_id', 'mtu': 1446}]
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self.db._populate_mtu_and_subnets_for_ports(mock.sentinel.context,
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ports)
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keys = ('id', 'cidr', 'gateway_ip', 'ipv6_ra_mode',
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'subnetpool_id', 'dns_nameservers')
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address_scopes = {4: None, 6: mock.sentinel.address_scope_id}
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self.assertEqual([{'extra_subnets': [],
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'fixed_ips': [{'subnet_id':
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mock.sentinel.subnet_id,
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'prefixlen': 64}],
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'id': 'port_id',
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'mtu': 1446,
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'network_id': 'net_id',
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'subnets': [{k: subnet[k] for k in keys}],
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'address_scopes': address_scopes}], ports)
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def test__get_sync_floating_ips_no_query(self):
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"""Basic test that no query is performed if no router ids are passed"""
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db = l3_db.L3_NAT_dbonly_mixin()
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context = mock.Mock()
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db._get_sync_floating_ips(context, [])
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self.assertFalse(context.session.query.called)
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@mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_make_floatingip_dict')
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def test__make_floatingip_dict_with_scope(self, make_fip_dict):
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db = l3_db.L3_NAT_dbonly_mixin()
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make_fip_dict.return_value = {'id': mock.sentinel.fip_ip}
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result = db._make_floatingip_dict_with_scope(
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mock.sentinel.floating_ip_db, mock.sentinel.address_scope_id)
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self.assertEqual({
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'fixed_ip_address_scope': mock.sentinel.address_scope_id,
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'id': mock.sentinel.fip_ip}, result)
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def test__unique_floatingip_iterator(self):
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context = mock.MagicMock()
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query = mock.MagicMock()
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query.order_by().__iter__.return_value = [
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({'id': 'id1'}, 'scope1'),
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({'id': 'id1'}, 'scope1'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id3'}, 'scope3')]
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query.reset_mock()
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with mock.patch.object(
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l3_obj.FloatingIP, '_load_object',
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side_effect=({'id': 'id1'}, {'id': 'id2'}, {'id': 'id3'})):
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result = list(
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l3_obj.FloatingIP._unique_floatingip_iterator(context, query))
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query.order_by.assert_called_once_with(l3_models.FloatingIP.id)
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self.assertEqual([({'id': 'id1'}, 'scope1'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id3'}, 'scope3')], result)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_deletion_port_not_found(self, gp):
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# port not found doesn't prevent
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gp.return_value.get_port.side_effect = n_exc.PortNotFound(port_id='1')
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_device_owner_not_router(self, gp):
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# ignores other device owners
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gp.return_value.get_port.return_value = {'device_owner': 'cat'}
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_no_fixed_ips(self, gp):
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# without fixed IPs is allowed
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gp.return_value.get_port.return_value = {
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'device_owner': n_const.DEVICE_OWNER_ROUTER_INTF, 'fixed_ips': [],
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'id': 'f'
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}
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_no_router(self, gp):
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# without router is allowed
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gp.return_value.get_port.return_value = {
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'device_owner': n_const.DEVICE_OWNER_ROUTER_INTF,
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'device_id': '44', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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self.db.get_router = mock.Mock()
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self.db.get_router.side_effect = l3_exc.RouterNotFound(router_id='44')
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self.db.prevent_l3_port_deletion(mock.Mock(), None)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_existing_router(self, gp):
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gp.return_value.get_port.return_value = {
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'device_owner': n_const.DEVICE_OWNER_ROUTER_INTF,
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'device_id': 'some_router', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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self.db.get_router = mock.Mock()
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with testtools.ExpectedException(n_exc.ServicePortInUse):
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self.db.prevent_l3_port_deletion(mock.Mock(), None)
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@mock.patch.object(directory, 'get_plugin')
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def test_prevent_l3_port_existing_floating_ip(self, gp):
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ctx = context.get_admin_context()
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gp.return_value.get_port.return_value = {
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'device_owner': n_const.DEVICE_OWNER_FLOATINGIP,
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'device_id': 'some_flip', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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with mock.patch.object(l3_obj.FloatingIP, 'objects_exist',
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return_value=mock.Mock()),\
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testtools.ExpectedException(n_exc.ServicePortInUse):
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self.db.prevent_l3_port_deletion(ctx, None)
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@mock.patch.object(directory, 'get_plugin')
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def test_subscribe_address_scope_of_subnetpool(self, gp):
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l3_db.L3RpcNotifierMixin()
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registry.notify(resources.SUBNETPOOL_ADDRESS_SCOPE,
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events.AFTER_UPDATE, mock.ANY,
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context=mock.MagicMock(),
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subnetpool_id='fake_id')
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self.assertTrue(gp.return_value.notify_routers_updated.called)
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def test__check_and_get_fip_assoc_with_extra_association_no_change(self):
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fip = {'extra_key': 'value'}
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context = mock.MagicMock()
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floatingip_obj = l3_obj.FloatingIP(
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context,
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id=uuidutils.generate_uuid(),
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floating_network_id=uuidutils.generate_uuid(),
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floating_ip_address=netaddr.IPAddress('8.8.8.8'),
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fixed_port_id=uuidutils.generate_uuid(),
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floating_port_id=uuidutils.generate_uuid())
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with mock.patch.object(
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l3_db.L3_NAT_dbonly_mixin,
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'_get_assoc_data',
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return_value=('1', '2', '3')) as mock_get_assoc_data:
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self.db._check_and_get_fip_assoc(context, fip, floatingip_obj)
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context.session.query.assert_not_called()
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mock_get_assoc_data.assert_called_once_with(
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mock.ANY, fip, floatingip_obj)
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def test__notify_attaching_interface(self):
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with mock.patch.object(l3_db.registry, 'notify') as mock_notify:
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context = mock.MagicMock()
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router_id = 'router_id'
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net_id = 'net_id'
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router_db = mock.Mock()
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router_db.id = router_id
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port = {'network_id': net_id}
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intf = {}
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self.db._notify_attaching_interface(context, router_db, port, intf)
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kwargs = {'context': context, 'router_id': router_id,
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'network_id': net_id, 'interface_info': intf,
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'router_db': router_db, 'port': port}
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mock_notify.assert_called_once_with(
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resources.ROUTER_INTERFACE, events.BEFORE_CREATE, self.db,
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**kwargs)
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def test__create_gw_port(self):
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router_id = '2afb8434-7380-43a2-913f-ba3a5ad5f349'
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router = l3_models.Router(id=router_id)
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new_network_id = 'net-id'
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ext_ips = [{'subnet_id': 'subnet-id', 'ip_address': '1.1.1.1'}]
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gw_port = {'fixed_ips': [{'subnet_id': 'subnet-id',
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'ip_address': '1.1.1.1'}],
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'id': '8742d007-6f05-4b7e-abdb-11818f608959'}
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ctx = context.get_admin_context()
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with mock.patch.object(directory, 'get_plugin') as get_p, \
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mock.patch.object(get_p(), 'get_subnets_by_network',
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return_value=mock.ANY), \
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mock.patch.object(get_p(), '_get_port',
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return_value=gw_port), \
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mock.patch.object(l3_db.L3_NAT_dbonly_mixin,
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'_check_for_dup_router_subnets') as cfdrs,\
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mock.patch.object(plugin_utils, 'create_port',
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return_value=gw_port), \
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mock.patch.object(ctx.session, 'add'), \
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mock.patch.object(base_obj.NeutronDbObject, 'create'), \
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mock.patch.object(l3_db.registry, 'notify') as mock_notify:
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self.db._create_gw_port(ctx, router_id=router_id,
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router=router,
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new_network_id=new_network_id,
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ext_ips=ext_ips)
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expected_gw_ips = ['1.1.1.1']
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self.assertTrue(cfdrs.called)
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mock_notify.assert_called_with(
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resources.ROUTER_GATEWAY, events.AFTER_CREATE,
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self.db._create_gw_port, context=ctx,
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gw_ips=expected_gw_ips, network_id=new_network_id,
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router_id=router_id
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)
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class L3_NAT_db_mixin(base.BaseTestCase):
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def setUp(self):
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super(L3_NAT_db_mixin, self).setUp()
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self.db = l3_db.L3_NAT_db_mixin()
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def _test_create_router(self, external_gateway_info=None):
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router_db = l3_models.Router(id='123')
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router_dict = {'id': '123', 'tenant_id': '456',
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'external_gateway_info': external_gateway_info}
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# Need to use a copy here as the create_router method pops the gateway
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# information
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router_input = {'router': router_dict.copy()}
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with mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_create_router_db',
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return_value=router_db) as crd,\
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mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_make_router_dict',
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return_value=router_dict),\
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mock.patch.object(l3_db.L3_NAT_dbonly_mixin,
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'_update_router_gw_info') as urgi,\
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mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_get_router',
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return_value=router_db),\
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mock.patch.object(l3_db.L3_NAT_db_mixin, 'notify_router_updated')\
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as nru:
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self.db.create_router(mock.Mock(), router_input)
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self.assertTrue(crd.called)
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if external_gateway_info:
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self.assertTrue(urgi.called)
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self.assertTrue(nru.called)
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else:
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self.assertFalse(urgi.called)
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self.assertFalse(nru.called)
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def test_create_router_no_gateway(self):
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self._test_create_router()
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def test_create_router_gateway(self):
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ext_gateway_info = {'network_id': 'net-id', 'enable_snat': True,
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'external_fixed_ips': [
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{'subnet_id': 'subnet-id',
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'ip_address': 'ip'}]}
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self._test_create_router(ext_gateway_info)
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def test_add_router_interface_no_interface_info(self):
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router_db = l3_models.Router(id='123')
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with mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_get_router',
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return_value=router_db):
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self.assertRaises(
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n_exc.BadRequest,
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self.db.add_router_interface, mock.Mock(), router_db.id)
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