Esempio n. 1
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    def setUp(self):
        super(L3AgentNDPProxyTestFramework, self).setUp()
        self.conf.set_override('extensions', ['ndp_proxy'], 'agent')
        self.agent = neutron_l3_agent.L3NATAgentWithStateReport(HOSTNAME,
                                                                self.conf)
        self.np_ext = np.NDPProxyAgentExtension()

        port_id1 = uuidutils.generate_uuid()
        port1_binding = ports_obj.PortBinding(port_id=port_id1,
                                              host=self.agent.host)
        port1_obj = ports_obj.Port(id=port_id1, bindings=[port1_binding])
        port_id2 = uuidutils.generate_uuid()
        port2_binding = ports_obj.PortBinding(port_id=port_id1,
                                              host='fake_host')
        port2_obj = ports_obj.Port(id=port_id2, bindings=[port2_binding])
        self.ports = [port1_obj, port2_obj]
        self.port_binding_map = {port_id1: port1_binding,
                                 port_id2: port2_binding}
        self.ndpproxy1 = np_obj.NDPProxy(
            context=None, id=uuidutils.generate_uuid(),
            router_id=uuidutils.generate_uuid(),
            port_id=port_id1, ip_address='2002::1:3')
        self.ndpproxy2 = np_obj.NDPProxy(
            context=None, id=uuidutils.generate_uuid(),
            router_id=uuidutils.generate_uuid(),
            port_id=port_id2, ip_address='2002::1:4')
        self.ndp_proxies = [self.ndpproxy1, self.ndpproxy2]
        agent_configurations = {
            'agent_mode': constants.L3_AGENT_MODE_DVR_NO_EXTERNAL}
        self.agent_obj = agent_obj.Agent(
            id=uuidutils.generate_uuid(), host=self.agent.host,
            agent_type=constants.AGENT_TYPE_L3,
            configurations=agent_configurations)
        self._set_pull_mock()
Esempio n. 2
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 def setUp(self):
     super(RouterNDPProxyMappingTestCase, self).setUp()
     self.mapping = np.RouterNDPProxyMapping()
     self.router1 = _uuid()
     self.router2 = _uuid()
     self.ndpproxy1 = np_obj.NDPProxy(context=None,
                                      id=_uuid(),
                                      router_id=self.router1,
                                      port_id=_uuid(),
                                      ip_address='2002::1:3')
     self.ndpproxy2 = np_obj.NDPProxy(context=None,
                                      id=_uuid(),
                                      router_id=self.router2,
                                      port_id=_uuid(),
                                      ip_address='2002::1:4')
     self.ndpproxies = [self.ndpproxy1, self.ndpproxy2]
Esempio n. 3
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 def _test__handle_notification(self):
     self.np_ext.add_router(self.context, self.router)
     self.add_chain.reset_mock()
     self.add_rule.reset_mock()
     self.ip_wrapper.reset_mock()
     ndpproxy = np_obj.NDPProxy(context=None,
                                id=_uuid(),
                                router_id=self.fake_router_id,
                                port_id=self.port_id,
                                ip_address='2002::1:5')
     self.np_ext._handle_notification(mock.MagicMock(), mock.MagicMock(),
                                      [ndpproxy], events.CREATED)
     self.add_chain.assert_not_called()
     self.remove_chain.assert_not_called()
     accept_rule = '-i %s --destination %s -j ACCEPT' % (
         self.ext_device_name, '2002::1:5')
     expected_calls = [
         mock.call(np.DEFAULT_NDP_PROXY_CHAIN, accept_rule, top=True)
     ]
     self.assertEqual(expected_calls, self.add_rule.mock_calls)
     self.remove_rule.assert_not_called()
     proxy_cmd = [
         'ip', '-6', 'neigh', 'add', 'proxy', '2002::1:5', 'dev',
         self.ext_device_name
     ]
     ndsend_cmd = ['ndsend', '2002::1:5', self.ext_device_name]
     expected_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True),
         mock.call().netns.execute(ndsend_cmd,
                                   check_exit_code=False,
                                   log_fail_as_error=True,
                                   privsep_exec=True)
     ]
     self.assertEqual(expected_calls, self.ip_wrapper.mock_calls)
     self.add_chain.reset_mock()
     self.remove_chain.reset_mock()
     self.add_rule.reset_mock()
     self.remove_rule.reset_mock()
     self.ip_wrapper.reset_mock()
     self.np_ext._handle_notification(mock.MagicMock(), mock.MagicMock(),
                                      [ndpproxy], events.DELETED)
     self.add_chain.assert_not_called()
     self.remove_chain.assert_not_called()
     self.add_rule.assert_not_called()
     accept_rule = ('-i %s --destination %s -j ACCEPT') % (
         self.ext_device_name, '2002::1:5')
     expected_calls = [
         mock.call(np.DEFAULT_NDP_PROXY_CHAIN, accept_rule, top=True)
     ]
     self.assertEqual(expected_calls, self.remove_rule.mock_calls)
     proxy_cmd = [
         'ip', '-6', 'neigh', 'del', 'proxy', '2002::1:5', 'dev',
         self.ext_device_name
     ]
     expected_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True)
     ]
     self.assertEqual(expected_calls, self.ip_wrapper.mock_calls)
Esempio n. 4
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 def test_add_ndp_proxy_update_router(self):
     self.np_ext.add_router(self.context, self.router)
     self.add_route.reset_mock()
     self.ip_wrapper.reset_mock()
     ndpproxy = np_obj.NDPProxy(context=None,
                                id=_uuid(),
                                router_id=self.fake_router_id,
                                port_id=self.port_id,
                                ip_address='2002::1:6')
     self.ndp_proxies.append(ndpproxy)
     self.np_ext.update_router(self.context, self.router)
     expected_calls = [mock.call('2002::1:6', via=self.lladdr)]
     self.assertEqual(expected_calls, self.add_route.mock_calls)
     sysctl_cmd = [
         'sysctl', '-w',
         'net.ipv6.conf.%s.proxy_ndp=1' % self.agent_ext_dvice
     ]
     proxy_cmd = [
         'ip', '-6', 'neigh', 'add', 'proxy', '2002::1:6', 'dev',
         self.agent_ext_dvice
     ]
     ndsend_cmd = ['ndsend', '2002::1:6', self.agent_ext_dvice]
     expected_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(sysctl_cmd, privsep_exec=True),
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True),
         mock.call().netns.execute(ndsend_cmd,
                                   check_exit_code=False,
                                   log_fail_as_error=True,
                                   privsep_exec=True),
         mock.call(namespace=self.namespace)
     ]
     self.assertEqual(expected_calls, self.ip_wrapper.mock_calls)
Esempio n. 5
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    def create_ndp_proxy(self, context, ndp_proxy):
        ndp_proxy = ndp_proxy.get(np_apidef.RESOURCE_NAME)
        router_id = ndp_proxy['router_id']
        port_id = ndp_proxy['port_id']
        port_dict = self.core_plugin.get_port(context, port_id)
        router_ports = self.core_plugin.get_ports(
            context,
            filters={
                'device_id': [router_id],
                'network_id': [port_dict['network_id']]
            })
        if not router_ports:
            raise exc.PortUnreachableRouter(router_id=router_id,
                                            port_id=port_id)
        router_dict = self.l3_plugin.get_router(context, router_id)
        if not router_dict.get('enable_ndp_proxy', None):
            raise exc.RouterNDPProxyNotEnable(router_id=router_dict['id'])
        extrnal_gw_info = router_dict[l3_apidef.EXTERNAL_GW_INFO]
        gw_network_dict = self.core_plugin.get_network(
            context, extrnal_gw_info['network_id'])
        ext_address_scope = gw_network_dict.get('ipv6_address_scope', None)
        internal_address_scope = self._check_port(context, port_dict,
                                                  ndp_proxy, router_ports)
        # If the external network and internal network not belong to same
        # adddress scope, the packets can't be forwarded by route. So, in
        # this case we should forbid to create ndp proxy entry.
        if ext_address_scope != internal_address_scope:
            raise exc.AddressScopeConflict(
                ext_address_scope=ext_address_scope,
                internal_address_scope=internal_address_scope)

        tenant_id = ndp_proxy.pop('tenant_id', None)
        if not ndp_proxy.get('project_id', None):
            ndp_proxy['project_id'] = tenant_id

        with db_api.CONTEXT_WRITER.using(context):
            np_obj = np.NDPProxy(context, **ndp_proxy)
            np_obj.create()

        LOG.debug(
            "Notify l3-agent to create ndp proxy rules for "
            "ndp proxy: %s", np_obj.to_dict())
        self.push_api.push(context, [np_obj], rpc_events.CREATED)
        return np_obj
Esempio n. 6
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 def test__handle_notification(self):
     self.np_ext.add_router(self.context, self.router)
     self.add_route.reset_mock()
     self.ip_wrapper.reset_mock()
     ndpproxy = np_obj.NDPProxy(context=None,
                                id=_uuid(),
                                router_id=self.fake_router_id,
                                port_id=self.port_id,
                                ip_address='2002::1:5')
     self.np_ext._handle_notification(mock.MagicMock(), mock.MagicMock(),
                                      [ndpproxy], events.CREATED)
     expected_calls = [mock.call('2002::1:5', via=self.lladdr)]
     self.assertEqual(expected_calls, self.add_route.mock_calls)
     proxy_cmd = [
         'ip', '-6', 'neigh', 'add', 'proxy', '2002::1:5', 'dev',
         self.agent_ext_dvice
     ]
     ndsend_cmd = ['ndsend', '2002::1:5', self.agent_ext_dvice]
     expected_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True),
         mock.call().netns.execute(ndsend_cmd,
                                   check_exit_code=False,
                                   log_fail_as_error=True,
                                   privsep_exec=True)
     ]
     self.assertEqual(expected_calls, self.ip_wrapper.mock_calls)
     self.add_route.reset_mock()
     self.ip_wrapper.reset_mock()
     self.np_ext._handle_notification(mock.MagicMock(), mock.MagicMock(),
                                      [ndpproxy], events.DELETED)
     self.add_route.assert_not_called()
     expected_calls = [mock.call('2002::1:5', via=self.lladdr)]
     self.assertEqual(expected_calls, self.delete_route.mock_calls)
     proxy_cmd = [
         'ip', '-6', 'neigh', 'del', 'proxy', '2002::1:5', 'dev',
         self.agent_ext_dvice
     ]
     expceted_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True)
     ]
     self.assertEqual(expceted_calls, self.ip_wrapper.mock_calls)
Esempio n. 7
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 def _test_add_ndp_proxy_update_router(self):
     self.np_ext.add_router(self.context, self.router)
     self.add_chain.reset_mock()
     self.add_rule.reset_mock()
     self.ip_wrapper.reset_mock()
     self.ndp_proxies.append(
         np_obj.NDPProxy(context=None,
                         id=_uuid(),
                         router_id=self.fake_router_id,
                         port_id=self.port_id,
                         ip_address='2002::1:4'))
     self.np_ext.update_router(self.context, self.router)
     self.add_chain.assert_not_called()
     accept_rule = '-i %s --destination %s -j ACCEPT' % (
         self.ext_device_name, '2002::1:4')
     expected_calls = [
         mock.call(np.DEFAULT_NDP_PROXY_CHAIN, accept_rule, top=True)
     ]
     self.assertEqual(expected_calls, self.add_rule.mock_calls)
     sysctl_cmd = [
         'sysctl', '-w',
         'net.ipv6.conf.%s.proxy_ndp=1' % self.ext_device_name
     ]
     proxy_cmd = [
         'ip', '-6', 'neigh', 'add', 'proxy', '2002::1:4', 'dev',
         self.ext_device_name
     ]
     ndsend_cmd = ['ndsend', '2002::1:4', self.ext_device_name]
     expected_calls = [
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(sysctl_cmd, privsep_exec=True),
         mock.call(namespace=self.namespace),
         mock.call().netns.execute(proxy_cmd, privsep_exec=True),
         mock.call().netns.execute(ndsend_cmd,
                                   check_exit_code=False,
                                   log_fail_as_error=True,
                                   privsep_exec=True),
         mock.call(namespace=self.namespace)
     ]
     self.assertEqual(expected_calls, self.ip_wrapper.mock_calls)
Esempio n. 8
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 def setUp(self):
     super(NDPProxyExtensionTestCaseBase, self).setUp()
     self.context = context.get_admin_context()
     self.connection = mock.Mock()
     self.ext_port_id = _uuid()
     self.ex_net_id = _uuid()
     self.ex_gw_port = {
         'id': self.ext_port_id,
         'network_id': self.ex_net_id,
         'gw_port_host': HOSTNAME
     }
     self.fake_router_id = _uuid()
     self.port_id = _uuid()
     self.agent_api = l3_ext_api.L3AgentExtensionAPI(None, None)
     self.np_ext = np.NDPProxyAgentExtension()
     self.np_ext.consume_api(self.agent_api)
     self.np_ext.initialize(self.connection, lib_const.L3_AGENT_MODE)
     self.ndpproxy = np_obj.NDPProxy(context=None,
                                     id=_uuid(),
                                     router_id=self.fake_router_id,
                                     port_id=self.port_id,
                                     ip_address='2002::1:3')
     port_binding = ports_obj.PortBinding(port_id=self.port_id,
                                          host=HOSTNAME)
     port_obj = ports_obj.Port(id=self.port_id, bindings=[port_binding])
     self.ndp_proxies = [self.ndpproxy]
     self.ports = [port_obj]
     agent_configurations = {
         'agent_mode': lib_const.L3_AGENT_MODE_DVR_NO_EXTERNAL
     }
     self.agent_obj = agent_obj.Agent(id=_uuid(),
                                      host=HOSTNAME,
                                      agent_type=lib_const.AGENT_TYPE_L3,
                                      configurations=agent_configurations)
     self.ip_wrapper = mock.patch('neutron.agent.linux.'
                                  'ip_lib.IPWrapper').start()
     self._set_pull_mock()