¡@

Home 

OpenStack Study: test_ovs_neutron_agent.py

OpenStack Index

**** CubicPower OpenStack Study ****

# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright (c) 2012 OpenStack Foundation.

#

# Licensed under the Apache License, Version 2.0 (the "License"); you may

# not use this file except in compliance with the License. You may obtain

# a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

# License for the specific language governing permissions and limitations

# under the License.

import contextlib

import sys

import mock

from oslo.config import cfg

import testtools

from neutron.agent.linux import ip_lib

from neutron.agent.linux import ovs_lib

from neutron.agent.linux import utils

from neutron.common import constants as n_const

from neutron.plugins.common import constants as p_const

from neutron.plugins.openvswitch.agent import ovs_neutron_agent

from neutron.plugins.openvswitch.common import constants

from neutron.tests import base

NOTIFIER = ('neutron.plugins.openvswitch.'

'ovs_neutron_plugin.AgentNotifierApi')

OVS_LINUX_KERN_VERS_WITHOUT_VXLAN = "3.12.0"

**** CubicPower OpenStack Study ****

class CreateAgentConfigMap(base.BaseTestCase):

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_succeeds(self):

        self.assertTrue(ovs_neutron_agent.create_agent_config_map(cfg.CONF))

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_fails_for_invalid_tunnel_config(self):

        # An ip address is required for tunneling but there is no default,

        # verify this for both gre and vxlan tunnels.

        cfg.CONF.set_override('tunnel_types', [p_const.TYPE_GRE],

                              group='AGENT')

        with testtools.ExpectedException(ValueError):

            ovs_neutron_agent.create_agent_config_map(cfg.CONF)

        cfg.CONF.set_override('tunnel_types', [p_const.TYPE_VXLAN],

                              group='AGENT')

        with testtools.ExpectedException(ValueError):

            ovs_neutron_agent.create_agent_config_map(cfg.CONF)

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_enable_tunneling(self):

        # Verify setting only enable_tunneling will default tunnel_type to GRE

        cfg.CONF.set_override('tunnel_types', None, group='AGENT')

        cfg.CONF.set_override('enable_tunneling', True, group='OVS')

        cfg.CONF.set_override('local_ip', '10.10.10.10', group='OVS')

        cfgmap = ovs_neutron_agent.create_agent_config_map(cfg.CONF)

        self.assertEqual(cfgmap['tunnel_types'], [p_const.TYPE_GRE])

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_fails_no_local_ip(self):

        # An ip address is required for tunneling but there is no default

        cfg.CONF.set_override('enable_tunneling', True, group='OVS')

        with testtools.ExpectedException(ValueError):

            ovs_neutron_agent.create_agent_config_map(cfg.CONF)

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_fails_for_invalid_tunnel_type(self):

        cfg.CONF.set_override('tunnel_types', ['foobar'], group='AGENT')

        with testtools.ExpectedException(ValueError):

            ovs_neutron_agent.create_agent_config_map(cfg.CONF)

**** CubicPower OpenStack Study ****

    def test_create_agent_config_map_multiple_tunnel_types(self):

        cfg.CONF.set_override('local_ip', '10.10.10.10', group='OVS')

        cfg.CONF.set_override('tunnel_types', [p_const.TYPE_GRE,

                              p_const.TYPE_VXLAN], group='AGENT')

        cfgmap = ovs_neutron_agent.create_agent_config_map(cfg.CONF)

        self.assertEqual(cfgmap['tunnel_types'],

                         [p_const.TYPE_GRE, p_const.TYPE_VXLAN])

**** CubicPower OpenStack Study ****

class TestOvsNeutronAgent(base.BaseTestCase):

**** CubicPower OpenStack Study ****

    def setUp(self):

        super(TestOvsNeutronAgent, self).setUp()

        notifier_p = mock.patch(NOTIFIER)

        notifier_cls = notifier_p.start()

        self.notifier = mock.Mock()

        notifier_cls.return_value = self.notifier

        cfg.CONF.set_default('firewall_driver',

                             'neutron.agent.firewall.NoopFirewallDriver',

                             group='SECURITYGROUP')

        # Avoid rpc initialization for unit tests

        cfg.CONF.set_override('rpc_backend',

                              'neutron.openstack.common.rpc.impl_fake')

        kwargs = ovs_neutron_agent.create_agent_config_map(cfg.CONF)

        class MockFixedIntervalLoopingCall(object):

            def __init__(self, f):

                self.f = f

            def start(self, interval=0):

                self.f()

        with contextlib.nested(

            mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'

                       'OVSNeutronAgent.setup_integration_br',

                       return_value=mock.Mock()),

            mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'

                       'OVSNeutronAgent.setup_ancillary_bridges',

                       return_value=[]),

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'get_local_port_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.agent.linux.utils.get_interface_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.openstack.common.loopingcall.'

                       'FixedIntervalLoopingCall',

                       new=MockFixedIntervalLoopingCall)):

            self.agent = ovs_neutron_agent.OVSNeutronAgent(**kwargs)

            self.agent.tun_br = mock.Mock()

        self.agent.sg_agent = mock.Mock()

**** CubicPower OpenStack Study ****

    def _mock_port_bound(self, ofport=None, new_local_vlan=None,

                         old_local_vlan=None):

        port = mock.Mock()

        port.ofport = ofport

        net_uuid = 'my-net-uuid'

        if old_local_vlan is not None:

            self.agent.local_vlan_map[net_uuid] = (

                ovs_neutron_agent.LocalVLANMapping(

                    old_local_vlan, None, None, None))

        with contextlib.nested(

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'set_db_attribute', return_value=True),

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'db_get_val', return_value=str(old_local_vlan)),

            mock.patch.object(self.agent.int_br, 'delete_flows')

        ) as (set_ovs_db_func, get_ovs_db_func, delete_flows_func):

            self.agent.port_bound(port, net_uuid, 'local', None, None)

        get_ovs_db_func.assert_called_once_with("Port", mock.ANY, "tag")

        if new_local_vlan != old_local_vlan:

            set_ovs_db_func.assert_called_once_with(

                "Port", mock.ANY, "tag", str(new_local_vlan))

            if ofport != -1:

                delete_flows_func.assert_called_once_with(in_port=port.ofport)

            else:

                self.assertFalse(delete_flows_func.called)

        else:

            self.assertFalse(set_ovs_db_func.called)

            self.assertFalse(delete_flows_func.called)

**** CubicPower OpenStack Study ****

    def test_port_bound_deletes_flows_for_valid_ofport(self):

        self._mock_port_bound(ofport=1, new_local_vlan=1)

**** CubicPower OpenStack Study ****

    def test_port_bound_ignores_flows_for_invalid_ofport(self):

        self._mock_port_bound(ofport=-1, new_local_vlan=1)

**** CubicPower OpenStack Study ****

    def test_port_bound_does_not_rewire_if_already_bound(self):

        self._mock_port_bound(ofport=-1, new_local_vlan=1, old_local_vlan=1)

**** CubicPower OpenStack Study ****

    def _test_port_dead(self, cur_tag=None):

        port = mock.Mock()

        port.ofport = 1

        with contextlib.nested(

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'set_db_attribute', return_value=True),

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'db_get_val', return_value=cur_tag),

            mock.patch.object(self.agent.int_br, 'add_flow')

        ) as (set_ovs_db_func, get_ovs_db_func, add_flow_func):

            self.agent.port_dead(port)

        get_ovs_db_func.assert_called_once_with("Port", mock.ANY, "tag")

        if cur_tag == ovs_neutron_agent.DEAD_VLAN_TAG:

            self.assertFalse(set_ovs_db_func.called)

            self.assertFalse(add_flow_func.called)

        else:

            set_ovs_db_func.assert_called_once_with(

                "Port", mock.ANY, "tag", str(ovs_neutron_agent.DEAD_VLAN_TAG))

            add_flow_func.assert_called_once_with(

                priority=2, in_port=port.ofport, actions="drop")

**** CubicPower OpenStack Study ****

    def test_port_dead(self):

        self._test_port_dead()

**** CubicPower OpenStack Study ****

    def test_port_dead_with_port_already_dead(self):

        self._test_port_dead(ovs_neutron_agent.DEAD_VLAN_TAG)

**** CubicPower OpenStack Study ****

    def mock_scan_ports(self, vif_port_set=None, registered_ports=None,

                        updated_ports=None, port_tags_dict=None):

        if port_tags_dict is None:  # Because empty dicts evaluate as False.

            port_tags_dict = {}

        with contextlib.nested(

            mock.patch.object(self.agent.int_br, 'get_vif_port_set',

                              return_value=vif_port_set),

            mock.patch.object(self.agent.int_br, 'get_port_tag_dict',

                              return_value=port_tags_dict)

        ):

            return self.agent.scan_ports(registered_ports, updated_ports)

**** CubicPower OpenStack Study ****

    def test_scan_ports_returns_current_only_for_unchanged_ports(self):

        vif_port_set = set([1, 3])

        registered_ports = set([1, 3])

        expected = {'current': vif_port_set}

        actual = self.mock_scan_ports(vif_port_set, registered_ports)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def test_scan_ports_returns_port_changes(self):

        vif_port_set = set([1, 3])

        registered_ports = set([1, 2])

        expected = dict(current=vif_port_set, added=set([3]), removed=set([2]))

        actual = self.mock_scan_ports(vif_port_set, registered_ports)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def _test_scan_ports_with_updated_ports(self, updated_ports):

        vif_port_set = set([1, 3, 4])

        registered_ports = set([1, 2, 4])

        expected = dict(current=vif_port_set, added=set([3]),

                        removed=set([2]), updated=set([4]))

        actual = self.mock_scan_ports(vif_port_set, registered_ports,

                                      updated_ports)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def test_scan_ports_finds_known_updated_ports(self):

        self._test_scan_ports_with_updated_ports(set([4]))

**** CubicPower OpenStack Study ****

    def test_scan_ports_ignores_unknown_updated_ports(self):

        # the port '5' was not seen on current ports. Hence it has either

        # never been wired or already removed and should be ignored

        self._test_scan_ports_with_updated_ports(set([4, 5]))

**** CubicPower OpenStack Study ****

    def test_scan_ports_ignores_updated_port_if_removed(self):

        vif_port_set = set([1, 3])

        registered_ports = set([1, 2])

        updated_ports = set([1, 2])

        expected = dict(current=vif_port_set, added=set([3]),

                        removed=set([2]), updated=set([1]))

        actual = self.mock_scan_ports(vif_port_set, registered_ports,

                                      updated_ports)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def test_scan_ports_no_vif_changes_returns_updated_port_only(self):

        vif_port_set = set([1, 2, 3])

        registered_ports = set([1, 2, 3])

        updated_ports = set([2])

        expected = dict(current=vif_port_set, updated=set([2]))

        actual = self.mock_scan_ports(vif_port_set, registered_ports,

                                      updated_ports)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def test_update_ports_returns_changed_vlan(self):

        br = ovs_lib.OVSBridge('br-int', 'sudo')

        mac = "ca:fe:de:ad:be:ef"

        port = ovs_lib.VifPort(1, 1, 1, mac, br)

        lvm = ovs_neutron_agent.LocalVLANMapping(

            1, '1', None, 1, {port.vif_id: port})

        local_vlan_map = {'1': lvm}

        vif_port_set = set([1, 3])

        registered_ports = set([1, 2])

        port_tags_dict = {1: []}

        expected = dict(

            added=set([3]), current=vif_port_set,

            removed=set([2]), updated=set([1])

        )

        with mock.patch.dict(self.agent.local_vlan_map, local_vlan_map):

            actual = self.mock_scan_ports(

                vif_port_set, registered_ports, port_tags_dict=port_tags_dict)

        self.assertEqual(expected, actual)

**** CubicPower OpenStack Study ****

    def test_treat_devices_added_returns_true_for_missing_device(self):

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'get_device_details',

                              side_effect=Exception()),

            mock.patch.object(self.agent.int_br, 'get_vif_port_by_id',

                              return_value=mock.Mock())):

            self.assertTrue(self.agent.treat_devices_added_or_updated([{}]))

**** CubicPower OpenStack Study ****

    def _mock_treat_devices_added_updated(self, details, port, func_name):

        """Mock treat devices added or updated.

        :param details: the details to return for the device

        :param port: the port that get_vif_port_by_id should return

        :param func_name: the function that should be called

        :returns: whether the named function was called

        """

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'get_device_details',

                              return_value=details),

            mock.patch.object(self.agent.int_br, 'get_vif_port_by_id',

                              return_value=port),

            mock.patch.object(self.agent.plugin_rpc, 'update_device_up'),

            mock.patch.object(self.agent.plugin_rpc, 'update_device_down'),

            mock.patch.object(self.agent, func_name)

        ) as (get_dev_fn, get_vif_func, upd_dev_up, upd_dev_down, func):

            self.assertFalse(self.agent.treat_devices_added_or_updated([{}]))

        return func.called

**** CubicPower OpenStack Study ****

    def test_treat_devices_added_updated_ignores_invalid_ofport(self):

        port = mock.Mock()

        port.ofport = -1

        self.assertFalse(self._mock_treat_devices_added_updated(

            mock.MagicMock(), port, 'port_dead'))

**** CubicPower OpenStack Study ****

    def test_treat_devices_added_updated_marks_unknown_port_as_dead(self):

        port = mock.Mock()

        port.ofport = 1

        self.assertTrue(self._mock_treat_devices_added_updated(

            mock.MagicMock(), port, 'port_dead'))

**** CubicPower OpenStack Study ****

    def test_treat_devices_added_does_not_process_missing_port(self):

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'get_device_details'),

            mock.patch.object(self.agent.int_br, 'get_vif_port_by_id',

                              return_value=None)

        ) as (get_dev_fn, get_vif_func):

            self.assertFalse(get_dev_fn.called)

**** CubicPower OpenStack Study ****

    def test_treat_devices_added__updated_updates_known_port(self):

        details = mock.MagicMock()

        details.__contains__.side_effect = lambda x: True

        self.assertTrue(self._mock_treat_devices_added_updated(

            details, mock.Mock(), 'treat_vif_port'))

**** CubicPower OpenStack Study ****

    def test_treat_devices_added_updated_put_port_down(self):

        fake_details_dict = {'admin_state_up': False,

                             'port_id': 'xxx',

                             'device': 'xxx',

                             'network_id': 'yyy',

                             'physical_network': 'foo',

                             'segmentation_id': 'bar',

                             'network_type': 'baz'}

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'get_device_details',

                              return_value=fake_details_dict),

            mock.patch.object(self.agent.int_br, 'get_vif_port_by_id',

                              return_value=mock.MagicMock()),

            mock.patch.object(self.agent.plugin_rpc, 'update_device_up'),

            mock.patch.object(self.agent.plugin_rpc, 'update_device_down'),

            mock.patch.object(self.agent, 'treat_vif_port')

        ) as (get_dev_fn, get_vif_func, upd_dev_up,

              upd_dev_down, treat_vif_port):

            self.assertFalse(self.agent.treat_devices_added_or_updated([{}]))

            self.assertTrue(treat_vif_port.called)

            self.assertTrue(upd_dev_down.called)

**** CubicPower OpenStack Study ****

    def test_treat_devices_removed_returns_true_for_missing_device(self):

        with mock.patch.object(self.agent.plugin_rpc, 'update_device_down',

                               side_effect=Exception()):

            self.assertTrue(self.agent.treat_devices_removed([{}]))

**** CubicPower OpenStack Study ****

    def _mock_treat_devices_removed(self, port_exists):

        details = dict(exists=port_exists)

        with mock.patch.object(self.agent.plugin_rpc, 'update_device_down',

                               return_value=details):

            with mock.patch.object(self.agent, 'port_unbound') as port_unbound:

                self.assertFalse(self.agent.treat_devices_removed([{}]))

        self.assertTrue(port_unbound.called)

**** CubicPower OpenStack Study ****

    def test_treat_devices_removed_unbinds_port(self):

        self._mock_treat_devices_removed(True)

**** CubicPower OpenStack Study ****

    def test_treat_devices_removed_ignores_missing_port(self):

        self._mock_treat_devices_removed(False)

**** CubicPower OpenStack Study ****

    def _test_process_network_ports(self, port_info):

        with contextlib.nested(

            mock.patch.object(self.agent.sg_agent, "setup_port_filters"),

            mock.patch.object(self.agent, "treat_devices_added_or_updated",

                              return_value=False),

            mock.patch.object(self.agent, "treat_devices_removed",

                              return_value=False)

        ) as (setup_port_filters, device_added_updated, device_removed):

            self.assertFalse(self.agent.process_network_ports(port_info))

            setup_port_filters.assert_called_once_with(

                port_info['added'], port_info.get('updated', set()))

            device_added_updated.assert_called_once_with(

                port_info['added'] | port_info.get('updated', set()))

            device_removed.assert_called_once_with(port_info['removed'])

**** CubicPower OpenStack Study ****

    def test_process_network_ports(self):

        self._test_process_network_ports(

            {'current': set(['tap0']),

             'removed': set(['eth0']),

             'added': set(['eth1'])})

**** CubicPower OpenStack Study ****

    def test_process_network_port_with_updated_ports(self):

        self._test_process_network_ports(

            {'current': set(['tap0', 'tap1']),

             'updated': set(['tap1', 'eth1']),

             'removed': set(['eth0']),

             'added': set(['eth1'])})

**** CubicPower OpenStack Study ****

    def test_report_state(self):

        with mock.patch.object(self.agent.state_rpc,

                               "report_state") as report_st:

            self.agent.int_br_device_count = 5

            self.agent._report_state()

            report_st.assert_called_with(self.agent.context,

                                         self.agent.agent_state)

            self.assertNotIn("start_flag", self.agent.agent_state)

            self.assertEqual(

                self.agent.agent_state["configurations"]["devices"],

                self.agent.int_br_device_count

            )

**** CubicPower OpenStack Study ****

    def test_network_delete(self):

        with contextlib.nested(

            mock.patch.object(self.agent, "reclaim_local_vlan"),

            mock.patch.object(self.agent.tun_br, "cleanup_tunnel_port")

        ) as (recl_fn, clean_tun_fn):

            self.agent.network_delete("unused_context",

                                      network_id="123")

            self.assertFalse(recl_fn.called)

            self.agent.local_vlan_map["123"] = "LVM object"

            self.agent.network_delete("unused_context",

                                      network_id="123")

            self.assertFalse(clean_tun_fn.called)

            recl_fn.assert_called_with("123")

**** CubicPower OpenStack Study ****

    def test_port_update(self):

        port = {"id": "123",

                "network_id": "124",

                "admin_state_up": False}

        self.agent.port_update("unused_context",

                               port=port,

                               network_type="vlan",

                               segmentation_id="1",

                               physical_network="physnet")

        self.assertEqual(set(['123']), self.agent.updated_ports)

**** CubicPower OpenStack Study ****

    def test_setup_physical_bridges(self):

        with contextlib.nested(

            mock.patch.object(ip_lib, "device_exists"),

            mock.patch.object(sys, "exit"),

            mock.patch.object(utils, "execute"),

            mock.patch.object(ovs_lib.OVSBridge, "remove_all_flows"),

            mock.patch.object(ovs_lib.OVSBridge, "add_flow"),

            mock.patch.object(ovs_lib.OVSBridge, "add_port"),

            mock.patch.object(ovs_lib.OVSBridge, "delete_port"),

            mock.patch.object(self.agent.int_br, "add_port"),

            mock.patch.object(self.agent.int_br, "delete_port"),

            mock.patch.object(ip_lib.IPWrapper, "add_veth"),

            mock.patch.object(ip_lib.IpLinkCommand, "delete"),

            mock.patch.object(ip_lib.IpLinkCommand, "set_up"),

            mock.patch.object(ip_lib.IpLinkCommand, "set_mtu")

        ) as (devex_fn, sysexit_fn, utilsexec_fn, remflows_fn, ovs_addfl_fn,

              ovs_addport_fn, ovs_delport_fn, br_addport_fn,

              br_delport_fn, addveth_fn, linkdel_fn, linkset_fn, linkmtu_fn):

            devex_fn.return_value = True

            parent = mock.MagicMock()

            parent.attach_mock(utilsexec_fn, 'utils_execute')

            parent.attach_mock(linkdel_fn, 'link_delete')

            parent.attach_mock(addveth_fn, 'add_veth')

            addveth_fn.return_value = (ip_lib.IPDevice("int-br-eth1"),

                                       ip_lib.IPDevice("phy-br-eth1"))

            ovs_addport_fn.return_value = "int_ofport"

            br_addport_fn.return_value = "phys_veth"

            self.agent.setup_physical_bridges({"physnet1": "br-eth"})

            expected_calls = [mock.call.link_delete(),

                              mock.call.utils_execute(['/sbin/udevadm',

                                                       'settle',

                                                       '--timeout=10']),

                              mock.call.add_veth('int-br-eth',

                                                 'phy-br-eth')]

            parent.assert_has_calls(expected_calls, any_order=False)

            self.assertEqual(self.agent.int_ofports["physnet1"],

                             "phys_veth")

            self.assertEqual(self.agent.phys_ofports["physnet1"],

                             "int_ofport")

**** CubicPower OpenStack Study ****

    def test_port_unbound(self):

        with mock.patch.object(self.agent, "reclaim_local_vlan") as reclvl_fn:

            self.agent.enable_tunneling = True

            lvm = mock.Mock()

            lvm.network_type = "gre"

            lvm.vif_ports = {"vif1": mock.Mock()}

            self.agent.local_vlan_map["netuid12345"] = lvm

            self.agent.port_unbound("vif1", "netuid12345")

            self.assertTrue(reclvl_fn.called)

            reclvl_fn.called = False

            lvm.vif_ports = {}

            self.agent.port_unbound("vif1", "netuid12345")

            self.assertEqual(reclvl_fn.call_count, 2)

            lvm.vif_ports = {"vif1": mock.Mock()}

            self.agent.port_unbound("vif3", "netuid12345")

            self.assertEqual(reclvl_fn.call_count, 2)

**** CubicPower OpenStack Study ****

    def _check_ovs_vxlan_version(self, installed_usr_version,

                                 installed_klm_version,

                                 installed_kernel_version,

                                 expecting_ok):

        with mock.patch(

                'neutron.agent.linux.ovs_lib.get_installed_ovs_klm_version'

        ) as klm_cmd:

            with mock.patch(

                'neutron.agent.linux.ovs_lib.get_installed_ovs_usr_version'

            ) as usr_cmd:

                with mock.patch(

                    'neutron.agent.linux.ovs_lib.get_installed_kernel_version'

                ) as kernel_cmd:

                    try:

                        klm_cmd.return_value = installed_klm_version

                        usr_cmd.return_value = installed_usr_version

                        kernel_cmd.return_value = installed_kernel_version

                        self.agent.tunnel_types = 'vxlan'

                        self.agent._check_ovs_version()

                        version_ok = True

                    except SystemExit as e:

                        self.assertEqual(e.code, 1)

                        version_ok = False

                self.assertEqual(version_ok, expecting_ok)

**** CubicPower OpenStack Study ****

    def test_check_minimum_version(self):

        min_vxlan_ver = constants.MINIMUM_OVS_VXLAN_VERSION

        min_kernel_ver = constants.MINIMUM_LINUX_KERNEL_OVS_VXLAN

        self._check_ovs_vxlan_version(min_vxlan_ver, min_vxlan_ver,

                                      min_kernel_ver, expecting_ok=True)

**** CubicPower OpenStack Study ****

    def test_check_future_version(self):

        install_ver = str(float(constants.MINIMUM_OVS_VXLAN_VERSION) + 0.01)

        min_kernel_ver = constants.MINIMUM_LINUX_KERNEL_OVS_VXLAN

        self._check_ovs_vxlan_version(install_ver, install_ver,

                                      min_kernel_ver, expecting_ok=True)

**** CubicPower OpenStack Study ****

    def test_check_fail_version(self):

        install_ver = str(float(constants.MINIMUM_OVS_VXLAN_VERSION) - 0.01)

        min_kernel_ver = constants.MINIMUM_LINUX_KERNEL_OVS_VXLAN

        self._check_ovs_vxlan_version(install_ver, install_ver,

                                      min_kernel_ver, expecting_ok=False)

**** CubicPower OpenStack Study ****

    def test_check_fail_no_version(self):

        min_kernel_ver = constants.MINIMUM_LINUX_KERNEL_OVS_VXLAN

        self._check_ovs_vxlan_version(None, None,

                                      min_kernel_ver, expecting_ok=False)

**** CubicPower OpenStack Study ****

    def test_check_fail_klm_version(self):

        min_vxlan_ver = constants.MINIMUM_OVS_VXLAN_VERSION

        min_kernel_ver = OVS_LINUX_KERN_VERS_WITHOUT_VXLAN

        install_ver = str(float(min_vxlan_ver) - 0.01)

        self._check_ovs_vxlan_version(min_vxlan_ver, install_ver,

                                      min_kernel_ver, expecting_ok=False)

**** CubicPower OpenStack Study ****

    def _prepare_l2_pop_ofports(self):

        lvm1 = mock.Mock()

        lvm1.network_type = 'gre'

        lvm1.vlan = 'vlan1'

        lvm1.segmentation_id = 'seg1'

        lvm1.tun_ofports = set(['1'])

        lvm2 = mock.Mock()

        lvm2.network_type = 'gre'

        lvm2.vlan = 'vlan2'

        lvm2.segmentation_id = 'seg2'

        lvm2.tun_ofports = set(['1', '2'])

        self.agent.local_vlan_map = {'net1': lvm1, 'net2': lvm2}

        self.agent.tun_br_ofports = {'gre':

                                     {'1.1.1.1': '1', '2.2.2.2': '2'}}

**** CubicPower OpenStack Study ****

    def test_fdb_ignore_network(self):

        self._prepare_l2_pop_ofports()

        fdb_entry = {'net3': {}}

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'add_flow'),

            mock.patch.object(self.agent.tun_br, 'delete_flows'),

            mock.patch.object(self.agent, 'setup_tunnel_port'),

            mock.patch.object(self.agent, 'cleanup_tunnel_port')

        ) as (add_flow_fn, del_flow_fn, add_tun_fn, clean_tun_fn):

            self.agent.fdb_add(None, fdb_entry)

            self.assertFalse(add_flow_fn.called)

            self.assertFalse(add_tun_fn.called)

            self.agent.fdb_remove(None, fdb_entry)

            self.assertFalse(del_flow_fn.called)

            self.assertFalse(clean_tun_fn.called)

**** CubicPower OpenStack Study ****

    def test_fdb_ignore_self(self):

        self._prepare_l2_pop_ofports()

        self.agent.local_ip = 'agent_ip'

        fdb_entry = {'net2':

                     {'network_type': 'gre',

                      'segment_id': 'tun2',

                      'ports':

                      {'agent_ip':

                       [['mac', 'ip'],

                        n_const.FLOODING_ENTRY]}}}

        with mock.patch.object(self.agent.tun_br,

                               "defer_apply_on") as defer_fn:

            self.agent.fdb_add(None, fdb_entry)

            self.assertFalse(defer_fn.called)

            self.agent.fdb_remove(None, fdb_entry)

            self.assertFalse(defer_fn.called)

**** CubicPower OpenStack Study ****

    def test_fdb_add_flows(self):

        self._prepare_l2_pop_ofports()

        fdb_entry = {'net1':

                     {'network_type': 'gre',

                      'segment_id': 'tun1',

                      'ports':

                      {'2.2.2.2':

                       [['mac', 'ip'],

                        n_const.FLOODING_ENTRY]}}}

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'add_flow'),

            mock.patch.object(self.agent.tun_br, 'mod_flow'),

            mock.patch.object(self.agent.tun_br, 'setup_tunnel_port'),

        ) as (add_flow_fn, mod_flow_fn, add_tun_fn):

            add_tun_fn.return_value = '2'

            self.agent.fdb_add(None, fdb_entry)

            add_flow_fn.assert_called_with(table=constants.UCAST_TO_TUN,

                                           priority=2,

                                           dl_vlan='vlan1',

                                           dl_dst='mac',

                                           actions='strip_vlan,'

                                           'set_tunnel:seg1,output:2')

            mod_flow_fn.assert_called_with(table=constants.FLOOD_TO_TUN,

                                           dl_vlan='vlan1',

                                           actions='strip_vlan,'

                                           'set_tunnel:seg1,output:1,2')

**** CubicPower OpenStack Study ****

    def test_fdb_del_flows(self):

        self._prepare_l2_pop_ofports()

        fdb_entry = {'net2':

                     {'network_type': 'gre',

                      'segment_id': 'tun2',

                      'ports':

                      {'2.2.2.2':

                       [['mac', 'ip'],

                        n_const.FLOODING_ENTRY]}}}

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'mod_flow'),

            mock.patch.object(self.agent.tun_br, 'delete_flows'),

        ) as (mod_flow_fn, del_flow_fn):

            self.agent.fdb_remove(None, fdb_entry)

            del_flow_fn.assert_called_with(table=constants.UCAST_TO_TUN,

                                           dl_vlan='vlan2',

                                           dl_dst='mac')

            mod_flow_fn.assert_called_with(table=constants.FLOOD_TO_TUN,

                                           dl_vlan='vlan2',

                                           actions='strip_vlan,'

                                           'set_tunnel:seg2,output:1')

**** CubicPower OpenStack Study ****

    def test_fdb_add_port(self):

        self._prepare_l2_pop_ofports()

        fdb_entry = {'net1':

                     {'network_type': 'gre',

                      'segment_id': 'tun1',

                      'ports': {'1.1.1.1': [['mac', 'ip']]}}}

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'add_flow'),

            mock.patch.object(self.agent.tun_br, 'mod_flow'),

            mock.patch.object(self.agent, 'setup_tunnel_port')

        ) as (add_flow_fn, mod_flow_fn, add_tun_fn):

            self.agent.fdb_add(None, fdb_entry)

            self.assertFalse(add_tun_fn.called)

            fdb_entry['net1']['ports']['10.10.10.10'] = [['mac', 'ip']]

            self.agent.fdb_add(None, fdb_entry)

            add_tun_fn.assert_called_with('gre-0a0a0a0a', '10.10.10.10', 'gre')

**** CubicPower OpenStack Study ****

    def test_fdb_del_port(self):

        self._prepare_l2_pop_ofports()

        fdb_entry = {'net2':

                     {'network_type': 'gre',

                      'segment_id': 'tun2',

                      'ports': {'2.2.2.2': [n_const.FLOODING_ENTRY]}}}

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'delete_flows'),

            mock.patch.object(self.agent.tun_br, 'delete_port')

        ) as (del_flow_fn, del_port_fn):

            self.agent.fdb_remove(None, fdb_entry)

            del_port_fn.assert_called_once_with('gre-02020202')

**** CubicPower OpenStack Study ****

    def test_recl_lv_port_to_preserve(self):

        self._prepare_l2_pop_ofports()

        self.agent.l2_pop = True

        self.agent.enable_tunneling = True

        with mock.patch.object(

            self.agent.tun_br, 'cleanup_tunnel_port'

        ) as clean_tun_fn:

            self.agent.reclaim_local_vlan('net1')

            self.assertFalse(clean_tun_fn.called)

**** CubicPower OpenStack Study ****

    def test_recl_lv_port_to_remove(self):

        self._prepare_l2_pop_ofports()

        self.agent.l2_pop = True

        self.agent.enable_tunneling = True

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'delete_port'),

            mock.patch.object(self.agent.tun_br, 'delete_flows')

        ) as (del_port_fn, del_flow_fn):

            self.agent.reclaim_local_vlan('net2')

            del_port_fn.assert_called_once_with('gre-02020202')

**** CubicPower OpenStack Study ****

    def test_daemon_loop_uses_polling_manager(self):

        with mock.patch(

            'neutron.agent.linux.polling.get_polling_manager') as mock_get_pm:

            with mock.patch.object(self.agent, 'rpc_loop') as mock_loop:

                self.agent.daemon_loop()

        mock_get_pm.assert_called_with(True, 'sudo',

                                       constants.DEFAULT_OVSDBMON_RESPAWN)

        mock_loop.assert_called_once_with(polling_manager=mock.ANY)

**** CubicPower OpenStack Study ****

    def test_setup_tunnel_port_error_negative(self):

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'add_tunnel_port',

                              return_value='-1'),

            mock.patch.object(ovs_neutron_agent.LOG, 'error')

        ) as (add_tunnel_port_fn, log_error_fn):

            ofport = self.agent.setup_tunnel_port(

                'gre-1', 'remote_ip', p_const.TYPE_GRE)

            add_tunnel_port_fn.assert_called_once_with(

                'gre-1', 'remote_ip', self.agent.local_ip, p_const.TYPE_GRE,

                self.agent.vxlan_udp_port)

            log_error_fn.assert_called_once_with(

                _("Failed to set-up %(type)s tunnel port to %(ip)s"),

                {'type': p_const.TYPE_GRE, 'ip': 'remote_ip'})

            self.assertEqual(ofport, 0)

**** CubicPower OpenStack Study ****

    def test_setup_tunnel_port_error_not_int(self):

        with contextlib.nested(

            mock.patch.object(self.agent.tun_br, 'add_tunnel_port',

                              return_value=None),

            mock.patch.object(ovs_neutron_agent.LOG, 'exception'),

            mock.patch.object(ovs_neutron_agent.LOG, 'error')

        ) as (add_tunnel_port_fn, log_exc_fn, log_error_fn):

            ofport = self.agent.setup_tunnel_port(

                'gre-1', 'remote_ip', p_const.TYPE_GRE)

            add_tunnel_port_fn.assert_called_once_with(

                'gre-1', 'remote_ip', self.agent.local_ip, p_const.TYPE_GRE,

                self.agent.vxlan_udp_port)

            log_exc_fn.assert_called_once_with(

                _("ofport should have a value that can be "

                  "interpreted as an integer"))

            log_error_fn.assert_called_once_with(

                _("Failed to set-up %(type)s tunnel port to %(ip)s"),

                {'type': p_const.TYPE_GRE, 'ip': 'remote_ip'})

            self.assertEqual(ofport, 0)

**** CubicPower OpenStack Study ****

    def test_tunnel_sync_with_ovs_plugin(self):

        fake_tunnel_details = {'tunnels': [{'id': '42',

                                            'ip_address': '100.101.102.103'}]}

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'tunnel_sync',

                              return_value=fake_tunnel_details),

            mock.patch.object(self.agent, 'setup_tunnel_port')

        ) as (tunnel_sync_rpc_fn, setup_tunnel_port_fn):

            self.agent.tunnel_types = ['gre']

            self.agent.tunnel_sync()

            expected_calls = [mock.call('gre-42', '100.101.102.103', 'gre')]

            setup_tunnel_port_fn.assert_has_calls(expected_calls)

**** CubicPower OpenStack Study ****

    def test_tunnel_sync_with_ml2_plugin(self):

        fake_tunnel_details = {'tunnels': [{'ip_address': '100.101.31.15'}]}

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'tunnel_sync',

                              return_value=fake_tunnel_details),

            mock.patch.object(self.agent, 'setup_tunnel_port')

        ) as (tunnel_sync_rpc_fn, setup_tunnel_port_fn):

            self.agent.tunnel_types = ['vxlan']

            self.agent.tunnel_sync()

            expected_calls = [mock.call('vxlan-64651f0f',

                                        '100.101.31.15', 'vxlan')]

            setup_tunnel_port_fn.assert_has_calls(expected_calls)

**** CubicPower OpenStack Study ****

    def test_tunnel_sync_invalid_ip_address(self):

        fake_tunnel_details = {'tunnels': [{'ip_address': '300.300.300.300'},

                                           {'ip_address': '100.100.100.100'}]}

        with contextlib.nested(

            mock.patch.object(self.agent.plugin_rpc, 'tunnel_sync',

                              return_value=fake_tunnel_details),

            mock.patch.object(self.agent, 'setup_tunnel_port')

        ) as (tunnel_sync_rpc_fn, setup_tunnel_port_fn):

            self.agent.tunnel_types = ['vxlan']

            self.agent.tunnel_sync()

            setup_tunnel_port_fn.assert_called_once_with('vxlan-64646464',

                                                         '100.100.100.100',

                                                         'vxlan')

**** CubicPower OpenStack Study ****

    def test_tunnel_update(self):

        kwargs = {'tunnel_ip': '10.10.10.10',

                  'tunnel_type': 'gre'}

        self.agent.setup_tunnel_port = mock.Mock()

        self.agent.enable_tunneling = True

        self.agent.tunnel_types = ['gre']

        self.agent.l2_pop = False

        self.agent.tunnel_update(context=None, **kwargs)

        expected_calls = [mock.call('gre-0a0a0a0a', '10.10.10.10', 'gre')]

        self.agent.setup_tunnel_port.assert_has_calls(expected_calls)

**** CubicPower OpenStack Study ****

class AncillaryBridgesTest(base.BaseTestCase):

**** CubicPower OpenStack Study ****

    def setUp(self):

        super(AncillaryBridgesTest, self).setUp()

        notifier_p = mock.patch(NOTIFIER)

        notifier_cls = notifier_p.start()

        self.notifier = mock.Mock()

        notifier_cls.return_value = self.notifier

        cfg.CONF.set_default('firewall_driver',

                             'neutron.agent.firewall.NoopFirewallDriver',

                             group='SECURITYGROUP')

        # Avoid rpc initialization for unit tests

        cfg.CONF.set_override('rpc_backend',

                              'neutron.openstack.common.rpc.impl_fake')

        cfg.CONF.set_override('report_interval', 0, 'AGENT')

        self.kwargs = ovs_neutron_agent.create_agent_config_map(cfg.CONF)

**** CubicPower OpenStack Study ****

    def _test_ancillary_bridges(self, bridges, ancillary):

        device_ids = ancillary[:]

        def pullup_side_effect(self, *args):

            result = device_ids.pop(0)

            return result

        with contextlib.nested(

            mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'

                       'OVSNeutronAgent.setup_integration_br',

                       return_value=mock.Mock()),

            mock.patch('neutron.agent.linux.utils.get_interface_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'get_local_port_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.agent.linux.ovs_lib.get_bridges',

                       return_value=bridges),

            mock.patch(

                'neutron.agent.linux.ovs_lib.get_bridge_external_bridge_id',

                side_effect=pullup_side_effect)):

            self.agent = ovs_neutron_agent.OVSNeutronAgent(**self.kwargs)

            self.assertEqual(len(ancillary), len(self.agent.ancillary_brs))

            if ancillary:

                bridges = [br.br_name for br in self.agent.ancillary_brs]

                for br in ancillary:

                    self.assertIn(br, bridges)

**** CubicPower OpenStack Study ****

        def pullup_side_effect(self, *args):

            result = device_ids.pop(0)

            return result

        with contextlib.nested(

            mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'

                       'OVSNeutronAgent.setup_integration_br',

                       return_value=mock.Mock()),

            mock.patch('neutron.agent.linux.utils.get_interface_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.agent.linux.ovs_lib.OVSBridge.'

                       'get_local_port_mac',

                       return_value='00:00:00:00:00:01'),

            mock.patch('neutron.agent.linux.ovs_lib.get_bridges',

                       return_value=bridges),

            mock.patch(

                'neutron.agent.linux.ovs_lib.get_bridge_external_bridge_id',

                side_effect=pullup_side_effect)):

            self.agent = ovs_neutron_agent.OVSNeutronAgent(**self.kwargs)

            self.assertEqual(len(ancillary), len(self.agent.ancillary_brs))

            if ancillary:

                bridges = [br.br_name for br in self.agent.ancillary_brs]

                for br in ancillary:

                    self.assertIn(br, bridges)

**** CubicPower OpenStack Study ****

    def test_ancillary_bridges_single(self):

        bridges = ['br-int', 'br-ex']

        self._test_ancillary_bridges(bridges, ['br-ex'])

**** CubicPower OpenStack Study ****

    def test_ancillary_bridges_none(self):

        bridges = ['br-int']

        self._test_ancillary_bridges(bridges, [])

**** CubicPower OpenStack Study ****

    def test_ancillary_bridges_multiple(self):

        bridges = ['br-int', 'br-ex1', 'br-ex2']

        self._test_ancillary_bridges(bridges, ['br-ex1', 'br-ex2'])