513 lines
24 KiB
Python
513 lines
24 KiB
Python
# Copyright (c) 2015 Red Hat, Inc.
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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.api.v2 import attributes
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from neutron.common import constants
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from neutron.extensions import external_net
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from neutron.extensions import portbindings
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from neutron.tests.common import helpers
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from neutron.tests.unit.plugins.ml2 import base as ml2_test_base
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DEVICE_OWNER_COMPUTE = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'fake'
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class L3DvrTestCase(ml2_test_base.ML2TestFramework):
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def setUp(self):
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super(L3DvrTestCase, self).setUp()
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self.l3_agent = helpers.register_l3_agent(
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agent_mode=constants.L3_AGENT_MODE_DVR_SNAT)
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def _create_router(self, distributed=True):
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return (super(L3DvrTestCase, self).
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_create_router(distributed=distributed))
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def test_update_router_db_centralized_to_distributed(self):
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router = self._create_router(distributed=False)
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# router needs to be in admin state down in order to be upgraded to DVR
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self.l3_plugin.update_router(
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self.context, router['id'], {'router': {'admin_state_up': False}})
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self.assertFalse(router['distributed'])
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self.l3_plugin.update_router(
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self.context, router['id'], {'router': {'distributed': True}})
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router = self.l3_plugin.get_router(self.context, router['id'])
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self.assertTrue(router['distributed'])
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def test_get_device_owner_distributed_router_object(self):
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router = self._create_router()
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self.assertEqual(
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constants.DEVICE_OWNER_DVR_INTERFACE,
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self.l3_plugin._get_device_owner(self.context, router))
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def test_get_device_owner_distributed_router_id(self):
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router = self._create_router()
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self.assertEqual(
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constants.DEVICE_OWNER_DVR_INTERFACE,
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self.l3_plugin._get_device_owner(self.context, router['id']))
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def test_get_device_owner_centralized(self):
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router = self._create_router(distributed=False)
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self.assertEqual(
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constants.DEVICE_OWNER_ROUTER_INTF,
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self.l3_plugin._get_device_owner(self.context, router['id']))
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def test_get_agent_gw_ports_exist_for_network_no_port(self):
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self.assertIsNone(
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, 'network_id', 'host', 'agent_id'))
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def _test_remove_router_interface_leaves_snat_intact(self, by_subnet):
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with self.subnet() as subnet1, \
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self.subnet(cidr='20.0.0.0/24') as subnet2:
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kwargs = {'arg_list': (external_net.EXTERNAL,),
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external_net.EXTERNAL: True}
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with self.network(**kwargs) as ext_net, \
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self.subnet(network=ext_net,
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cidr='30.0.0.0/24'):
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router = self._create_router()
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self.l3_plugin.add_router_interface(
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self.context, router['id'],
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{'subnet_id': subnet1['subnet']['id']})
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self.l3_plugin.add_router_interface(
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self.context, router['id'],
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{'subnet_id': subnet2['subnet']['id']})
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self.l3_plugin._update_router_gw_info(
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self.context, router['id'],
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{'network_id': ext_net['network']['id']})
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snat_router_intfs = self.l3_plugin._get_snat_sync_interfaces(
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self.context, [router['id']])
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self.assertEqual(
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2, len(snat_router_intfs[router['id']]))
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if by_subnet:
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self.l3_plugin.remove_router_interface(
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self.context, router['id'],
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{'subnet_id': subnet1['subnet']['id']})
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else:
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port = self.core_plugin.get_ports(
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self.context, filters={
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'network_id': [subnet1['subnet']['network_id']],
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'device_owner':
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[constants.DEVICE_OWNER_DVR_INTERFACE]})[0]
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self.l3_plugin.remove_router_interface(
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self.context, router['id'],
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{'port_id': port['id']})
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self.assertEqual(
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1, len(self.l3_plugin._get_snat_sync_interfaces(
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self.context, [router['id']])))
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def test_remove_router_interface_by_subnet_leaves_snat_intact(self):
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self._test_remove_router_interface_leaves_snat_intact(by_subnet=True)
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def test_remove_router_interface_by_port_leaves_snat_intact(self):
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self._test_remove_router_interface_leaves_snat_intact(
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by_subnet=False)
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def setup_create_agent_gw_port_for_network(self, network=None):
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if not network:
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network = self._make_network(self.fmt, '', True)
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network_id = network['network']['id']
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port = self.core_plugin.create_port(
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self.context,
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{'port': {'tenant_id': '',
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'network_id': network_id,
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'mac_address': attributes.ATTR_NOT_SPECIFIED,
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'fixed_ips': attributes.ATTR_NOT_SPECIFIED,
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'device_id': self.l3_agent['id'],
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'device_owner': constants.DEVICE_OWNER_AGENT_GW,
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portbindings.HOST_ID: '',
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'admin_state_up': True,
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'name': ''}})
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return network_id, port
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def test_get_agent_gw_port_for_network(self):
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network_id, port = (
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self.setup_create_agent_gw_port_for_network())
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self.assertEqual(
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port['id'],
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, network_id, None, self.l3_agent['id'])['id'])
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def test_delete_agent_gw_port_for_network(self):
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network_id, port = (
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self.setup_create_agent_gw_port_for_network())
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self.l3_plugin.delete_floatingip_agent_gateway_port(
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self.context, "", network_id)
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self.assertIsNone(
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, network_id, "", self.l3_agent['id']))
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def test_get_fip_sync_interfaces(self):
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self.setup_create_agent_gw_port_for_network()
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self.assertEqual(
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1, len(self.l3_plugin._get_fip_sync_interfaces(
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self.context, self.l3_agent['id'])))
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def test_process_routers(self):
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router = self._create_router()
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result = self.l3_plugin._process_routers(self.context, [router])
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self.assertEqual(
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router['id'], result[router['id']]['id'])
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def test_get_router_ids(self):
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router = self._create_router()
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self.assertEqual(
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router['id'],
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self.l3_plugin._get_router_ids(self.context)[0])
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self._create_router()
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self.assertEqual(
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2, len(self.l3_plugin._get_router_ids(self.context)))
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def test_agent_gw_port_delete_when_last_gateway_for_ext_net_removed(self):
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kwargs = {'arg_list': (external_net.EXTERNAL,),
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external_net.EXTERNAL: True}
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net1 = self._make_network(self.fmt, 'net1', True)
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net2 = self._make_network(self.fmt, 'net2', True)
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subnet1 = self._make_subnet(
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self.fmt, net1, '10.1.0.1', '10.1.0.0/24', enable_dhcp=True)
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subnet2 = self._make_subnet(
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self.fmt, net2, '10.1.0.1', '10.1.0.0/24', enable_dhcp=True)
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ext_net = self._make_network(self.fmt, 'ext_net', True, **kwargs)
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self._make_subnet(
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self.fmt, ext_net, '20.0.0.1', '20.0.0.0/24', enable_dhcp=True)
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# Create first router and add an interface
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router1 = self._create_router()
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ext_net_id = ext_net['network']['id']
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self.l3_plugin.add_router_interface(
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self.context, router1['id'],
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{'subnet_id': subnet1['subnet']['id']})
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# Set gateway to first router
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self.l3_plugin._update_router_gw_info(
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self.context, router1['id'],
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{'network_id': ext_net_id})
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# Create second router and add an interface
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router2 = self._create_router()
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self.l3_plugin.add_router_interface(
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self.context, router2['id'],
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{'subnet_id': subnet2['subnet']['id']})
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# Set gateway to second router
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self.l3_plugin._update_router_gw_info(
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self.context, router2['id'],
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{'network_id': ext_net_id})
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# Create an agent gateway port for the external network
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net_id, agent_gw_port = (
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self.setup_create_agent_gw_port_for_network(network=ext_net))
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# Check for agent gateway ports
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self.assertIsNotNone(
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, ext_net_id, "", self.l3_agent['id']))
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self.l3_plugin._update_router_gw_info(
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self.context, router1['id'], {})
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# Check for agent gateway port after deleting one of the gw
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self.assertIsNotNone(
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, ext_net_id, "", self.l3_agent['id']))
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self.l3_plugin._update_router_gw_info(
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self.context, router2['id'], {})
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# Check for agent gateway port after deleting last gw
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self.assertIsNone(
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self.l3_plugin._get_agent_gw_ports_exist_for_network(
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self.context, ext_net_id, "", self.l3_agent['id']))
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def _test_create_floating_ip_agent_notification(self, dvr=True):
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with self.subnet() as ext_subnet,\
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self.subnet(cidr='20.0.0.0/24') as int_subnet,\
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self.port(subnet=int_subnet,
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device_owner=DEVICE_OWNER_COMPUTE) as int_port:
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# make net external
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ext_net_id = ext_subnet['subnet']['network_id']
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self._update('networks', ext_net_id,
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{'network': {external_net.EXTERNAL: True}})
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router = self._create_router(distributed=dvr)
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self.l3_plugin.update_router(
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self.context, router['id'],
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{'router': {
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'external_gateway_info': {'network_id': ext_net_id}}})
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self.l3_plugin.add_router_interface(
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self.context, router['id'],
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{'subnet_id': int_subnet['subnet']['id']})
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floating_ip = {'floating_network_id': ext_net_id,
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'router_id': router['id'],
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'port_id': int_port['port']['id'],
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'tenant_id': int_port['port']['tenant_id']}
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with mock.patch.object(
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self.l3_plugin, '_l3_rpc_notifier') as l3_notif:
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self.l3_plugin.create_floatingip(
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self.context, {'floatingip': floating_ip})
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if dvr:
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l3_notif.routers_updated_on_host.assert_called_once_with(
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self.context, [router['id']],
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int_port['port'][portbindings.HOST_ID])
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self.assertFalse(l3_notif.routers_updated.called)
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else:
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l3_notif.routers_updated.assert_called_once_with(
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self.context, [router['id']], None)
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self.assertFalse(
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l3_notif.routers_updated_on_host.called)
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def test_create_floating_ip_agent_notification(self):
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self._test_create_floating_ip_agent_notification()
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def test_create_floating_ip_agent_notification_non_dvr(self):
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self._test_create_floating_ip_agent_notification(dvr=False)
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def _test_update_floating_ip_agent_notification(self, dvr=True):
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with self.subnet() as ext_subnet,\
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self.subnet(cidr='20.0.0.0/24') as int_subnet1,\
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self.subnet(cidr='30.0.0.0/24') as int_subnet2,\
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self.port(subnet=int_subnet1,
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device_owner=DEVICE_OWNER_COMPUTE) as int_port1,\
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self.port(subnet=int_subnet2,
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device_owner=DEVICE_OWNER_COMPUTE) as int_port2:
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# locate internal ports on different hosts
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self.core_plugin.update_port(
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self.context, int_port1['port']['id'],
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{'port': {portbindings.HOST_ID: 'host1'}})
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self.core_plugin.update_port(
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self.context, int_port2['port']['id'],
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{'port': {portbindings.HOST_ID: 'host2'}})
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# and create l3 agents on corresponding hosts
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helpers.register_l3_agent(host='host1',
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agent_mode=constants.L3_AGENT_MODE_DVR)
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helpers.register_l3_agent(host='host2',
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agent_mode=constants.L3_AGENT_MODE_DVR)
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# make net external
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ext_net_id = ext_subnet['subnet']['network_id']
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self._update('networks', ext_net_id,
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{'network': {external_net.EXTERNAL: True}})
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router1 = self._create_router(distributed=dvr)
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router2 = self._create_router(distributed=dvr)
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for router in (router1, router2):
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self.l3_plugin.update_router(
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self.context, router['id'],
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{'router': {
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'external_gateway_info': {'network_id': ext_net_id}}})
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self.l3_plugin.add_router_interface(
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self.context, router1['id'],
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{'subnet_id': int_subnet1['subnet']['id']})
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self.l3_plugin.add_router_interface(
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self.context, router2['id'],
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{'subnet_id': int_subnet2['subnet']['id']})
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floating_ip = {'floating_network_id': ext_net_id,
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'router_id': router1['id'],
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'port_id': int_port1['port']['id'],
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'tenant_id': int_port1['port']['tenant_id']}
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floating_ip = self.l3_plugin.create_floatingip(
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self.context, {'floatingip': floating_ip})
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with mock.patch.object(
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self.l3_plugin, '_l3_rpc_notifier') as l3_notif:
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updated_floating_ip = {'router_id': router2['id'],
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'port_id': int_port2['port']['id']}
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self.l3_plugin.update_floatingip(
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self.context, floating_ip['id'],
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{'floatingip': updated_floating_ip})
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if dvr:
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self.assertEqual(
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2, l3_notif.routers_updated_on_host.call_count)
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expected_calls = [
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mock.call(self.context, [router1['id']], 'host1'),
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mock.call(self.context, [router2['id']], 'host2')]
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l3_notif.routers_updated_on_host.assert_has_calls(
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expected_calls)
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self.assertFalse(l3_notif.routers_updated.called)
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else:
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self.assertEqual(
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2, l3_notif.routers_updated.call_count)
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expected_calls = [
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mock.call(self.context, [router1['id']], None),
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mock.call(self.context, [router2['id']], None)]
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l3_notif.routers_updated.assert_has_calls(
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expected_calls)
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self.assertFalse(l3_notif.routers_updated_on_host.called)
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def test_update_floating_ip_agent_notification(self):
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self._test_update_floating_ip_agent_notification()
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def test_update_floating_ip_agent_notification_non_dvr(self):
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self._test_update_floating_ip_agent_notification(dvr=False)
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def _test_delete_floating_ip_agent_notification(self, dvr=True):
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with self.subnet() as ext_subnet,\
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self.subnet(cidr='20.0.0.0/24') as int_subnet,\
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self.port(subnet=int_subnet,
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device_owner=DEVICE_OWNER_COMPUTE) as int_port:
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# make net external
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ext_net_id = ext_subnet['subnet']['network_id']
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self._update('networks', ext_net_id,
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{'network': {external_net.EXTERNAL: True}})
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router = self._create_router(distributed=dvr)
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self.l3_plugin.update_router(
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self.context, router['id'],
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{'router': {
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'external_gateway_info': {'network_id': ext_net_id}}})
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self.l3_plugin.add_router_interface(
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self.context, router['id'],
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{'subnet_id': int_subnet['subnet']['id']})
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floating_ip = {'floating_network_id': ext_net_id,
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'router_id': router['id'],
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'port_id': int_port['port']['id'],
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'tenant_id': int_port['port']['tenant_id']}
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floating_ip = self.l3_plugin.create_floatingip(
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self.context, {'floatingip': floating_ip})
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with mock.patch.object(
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self.l3_plugin, '_l3_rpc_notifier') as l3_notif:
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self.l3_plugin.delete_floatingip(
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self.context, floating_ip['id'])
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if dvr:
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l3_notif.routers_updated_on_host.assert_called_once_with(
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self.context, [router['id']],
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int_port['port'][portbindings.HOST_ID])
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self.assertFalse(l3_notif.routers_updated.called)
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else:
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l3_notif.routers_updated.assert_called_once_with(
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self.context, [router['id']], None)
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self.assertFalse(
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l3_notif.routers_updated_on_host.called)
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def test_delete_floating_ip_agent_notification(self):
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self._test_delete_floating_ip_agent_notification()
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def test_delete_floating_ip_agent_notification_non_dvr(self):
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self._test_delete_floating_ip_agent_notification(dvr=False)
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def test_router_with_ipv4_and_multiple_ipv6_on_same_network(self):
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kwargs = {'arg_list': (external_net.EXTERNAL,),
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external_net.EXTERNAL: True}
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ext_net = self._make_network(self.fmt, '', True, **kwargs)
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self._make_subnet(
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self.fmt, ext_net, '10.0.0.1', '10.0.0.0/24',
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ip_version=4, enable_dhcp=True)
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self._make_subnet(
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self.fmt, ext_net, '2001:db8::1', '2001:db8::/64',
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ip_version=6, enable_dhcp=True)
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router1 = self._create_router()
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self.l3_plugin._update_router_gw_info(
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self.context, router1['id'],
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{'network_id': ext_net['network']['id']})
|
|
snat_router_intfs = self.l3_plugin._get_snat_sync_interfaces(
|
|
self.context, [router1['id']])
|
|
self.assertEqual(0, len(snat_router_intfs[router1['id']]))
|
|
private_net1 = self._make_network(self.fmt, 'net1', True)
|
|
private_ipv6_subnet1 = self._make_subnet(self.fmt,
|
|
private_net1, 'fd00::1',
|
|
cidr='fd00::1/64', ip_version=6,
|
|
ipv6_ra_mode='slaac',
|
|
ipv6_address_mode='slaac')
|
|
private_ipv6_subnet2 = self._make_subnet(self.fmt,
|
|
private_net1, 'fd01::1',
|
|
cidr='fd01::1/64', ip_version=6,
|
|
ipv6_ra_mode='slaac',
|
|
ipv6_address_mode='slaac')
|
|
# Add the first IPv6 subnet to the router
|
|
self.l3_plugin.add_router_interface(
|
|
self.context, router1['id'],
|
|
{'subnet_id': private_ipv6_subnet1['subnet']['id']})
|
|
# Check for the internal snat port interfaces
|
|
snat_router_intfs = self.l3_plugin._get_snat_sync_interfaces(
|
|
self.context, [router1['id']])
|
|
self.assertEqual(1, len(snat_router_intfs[router1['id']]))
|
|
# Add the second IPv6 subnet to the router
|
|
self.l3_plugin.add_router_interface(
|
|
self.context, router1['id'],
|
|
{'subnet_id': private_ipv6_subnet2['subnet']['id']})
|
|
# Check for the internal snat port interfaces
|
|
snat_router_intfs = self.l3_plugin._get_snat_sync_interfaces(
|
|
self.context, [router1['id']])
|
|
snat_intf_list = snat_router_intfs[router1['id']]
|
|
fixed_ips = snat_intf_list[0]['fixed_ips']
|
|
self.assertEqual(1, len(snat_router_intfs[router1['id']]))
|
|
self.assertEqual(2, len(fixed_ips))
|
|
# Now delete the router interface and it should update the
|
|
# SNAT port with the right fixed_ips instead of deleting it.
|
|
self.l3_plugin.remove_router_interface(
|
|
self.context, router1['id'],
|
|
{'subnet_id': private_ipv6_subnet2['subnet']['id']})
|
|
# Check for the internal snat port interfaces
|
|
snat_router_intfs = self.l3_plugin._get_snat_sync_interfaces(
|
|
self.context, [router1['id']])
|
|
snat_intf_list = snat_router_intfs[router1['id']]
|
|
fixed_ips = snat_intf_list[0]['fixed_ips']
|
|
self.assertEqual(1, len(snat_router_intfs[router1['id']]))
|
|
self.assertEqual(1, len(fixed_ips))
|
|
|
|
def test_update_vm_port_host_router_update(self):
|
|
# register l3 agents in dvr mode in addition to existing dvr_snat agent
|
|
HOST1 = 'host1'
|
|
dvr_agent1 = helpers.register_l3_agent(
|
|
host=HOST1, agent_mode=constants.L3_AGENT_MODE_DVR)
|
|
HOST2 = 'host2'
|
|
dvr_agent2 = helpers.register_l3_agent(
|
|
host=HOST2, agent_mode=constants.L3_AGENT_MODE_DVR)
|
|
router = self._create_router()
|
|
with self.subnet() as subnet:
|
|
self.l3_plugin.add_router_interface(
|
|
self.context, router['id'],
|
|
{'subnet_id': subnet['subnet']['id']})
|
|
|
|
# since there are no vm ports on HOST, and the router
|
|
# has no external gateway at this point the router
|
|
# should neither be scheduled to dvr nor to dvr_snat agents
|
|
agents = self.l3_plugin.list_l3_agents_hosting_router(
|
|
self.context, router['id'])['agents']
|
|
self.assertEqual(0, len(agents))
|
|
with mock.patch.object(self.l3_plugin,
|
|
'_l3_rpc_notifier') as l3_notifier,\
|
|
self.port(subnet=subnet,
|
|
device_owner=DEVICE_OWNER_COMPUTE) as port:
|
|
self.l3_plugin.agent_notifiers[
|
|
constants.AGENT_TYPE_L3] = l3_notifier
|
|
self.core_plugin.update_port(
|
|
self.context, port['port']['id'],
|
|
{'port': {portbindings.HOST_ID: HOST1}})
|
|
|
|
# now router should be scheduled to agent on HOST1
|
|
agents = self.l3_plugin.list_l3_agents_hosting_router(
|
|
self.context, router['id'])['agents']
|
|
self.assertEqual(1, len(agents))
|
|
self.assertEqual(dvr_agent1['id'], agents[0]['id'])
|
|
# and notification should only be sent to the agent on HOST1
|
|
l3_notifier.routers_updated_on_host.assert_called_once_with(
|
|
self.context, {router['id']}, HOST1)
|
|
self.assertFalse(l3_notifier.routers_updated.called)
|
|
|
|
# updating port's host (instance migration)
|
|
l3_notifier.reset_mock()
|
|
self.core_plugin.update_port(
|
|
self.context, port['port']['id'],
|
|
{'port': {portbindings.HOST_ID: HOST2}})
|
|
# now router should only be scheduled to dvr agent on host2
|
|
agents = self.l3_plugin.list_l3_agents_hosting_router(
|
|
self.context, router['id'])['agents']
|
|
self.assertEqual(1, len(agents))
|
|
self.assertEqual(dvr_agent2['id'], agents[0]['id'])
|
|
l3_notifier.routers_updated_on_host.assert_called_once_with(
|
|
self.context, {router['id']}, HOST2)
|
|
l3_notifier.router_removed_from_agent.assert_called_once_with(
|
|
self.context, router['id'], HOST1)
|