OpenStack Networking (Neutron)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/mech_driver/test_mech_openvswitch.py

407 lines
16 KiB

# Copyright (c) 2013 OpenStack Foundation
# All Rights Reserved.
#
# 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.
from unittest import mock
from neutron_lib.api.definitions import portbindings
from neutron_lib.callbacks import events
from neutron_lib.callbacks import registry
from neutron_lib import constants
from neutron_lib.plugins.ml2 import api
from oslo_config import cfg
from neutron.conf.plugins.ml2.drivers.openvswitch import mech_ovs_conf
from neutron.plugins.ml2.drivers.openvswitch.agent.common import (
constants as a_const)
from neutron.plugins.ml2.drivers.openvswitch.mech_driver import (
mech_openvswitch)
from neutron.tests.unit.plugins.ml2 import _test_mech_agent as base
class OpenvswitchMechanismBaseTestCase(base.AgentMechanismBaseTestCase):
VIF_TYPE = portbindings.VIF_TYPE_OVS
VIF_DETAILS = {'bridge_name': 'br-int',
portbindings.OVS_DATAPATH_TYPE: 'system',
portbindings.CAP_PORT_FILTER: True,
portbindings.OVS_HYBRID_PLUG: True,
portbindings.VIF_DETAILS_CONNECTIVITY:
portbindings.CONNECTIVITY_L2}
AGENT_TYPE = constants.AGENT_TYPE_OVS
GOOD_MAPPINGS = {'fake_physical_network': 'fake_bridge'}
GOOD_TUNNEL_TYPES = ['gre', 'vxlan']
GOOD_CONFIGS = {'bridge_mappings': GOOD_MAPPINGS,
'integration_bridge': 'br-int',
portbindings.OVS_HYBRID_PLUG: True,
'tunnel_types': GOOD_TUNNEL_TYPES}
BAD_MAPPINGS = {'wrong_physical_network': 'wrong_bridge'}
BAD_TUNNEL_TYPES = ['bad_tunnel_type']
BAD_CONFIGS = {'bridge_mappings': BAD_MAPPINGS,
'integration_bridge': 'br-int',
'tunnel_types': BAD_TUNNEL_TYPES}
AGENTS = [{'alive': True,
'configurations': GOOD_CONFIGS,
'host': 'host'}]
AGENTS_DEAD = [{'alive': False,
'configurations': GOOD_CONFIGS,
'host': 'dead_host'}]
AGENTS_BAD = [{'alive': False,
'configurations': GOOD_CONFIGS,
'host': 'bad_host_1'},
{'alive': True,
'configurations': BAD_CONFIGS,
'host': 'bad_host_2'}]
def setUp(self):
super(OpenvswitchMechanismBaseTestCase, self).setUp()
cfg.CONF.set_override('firewall_driver', 'iptables_hybrid',
'SECURITYGROUP')
self.driver = mech_openvswitch.OpenvswitchMechanismDriver()
self.driver.initialize()
def test__set_bridge_name_notify(self):
def fake_callback(resource, event, trigger, payload=None):
trigger('fake-br-name')
def noop_callback(resource, event, trigger, payload=None):
pass
# hardcode callback to override bridge name
registry.subscribe(fake_callback, a_const.OVS_BRIDGE_NAME,
events.BEFORE_READ)
fake_vif_details = {}
fake_agent = {'configurations': {'integration_bridge': 'fake-br'}}
old_fake_agent = {'configurations': {}}
self.driver._set_bridge_name('foo', fake_vif_details, fake_agent)
# assert that callback value is used
self.assertEqual(
'fake-br-name',
fake_vif_details.get(portbindings.VIF_DETAILS_BRIDGE_NAME, ''))
# replace callback with noop
registry.unsubscribe(fake_callback, a_const.OVS_BRIDGE_NAME,
events.BEFORE_READ)
registry.subscribe(noop_callback, a_const.OVS_BRIDGE_NAME,
events.BEFORE_READ)
fake_vif_details = {}
self.driver._set_bridge_name('foo', fake_vif_details, fake_agent)
# assert that agent config value is used
self.assertEqual(
'fake-br',
fake_vif_details.get(portbindings.VIF_DETAILS_BRIDGE_NAME, ''))
fake_vif_details = {}
self.driver._set_bridge_name('foo', fake_vif_details, old_fake_agent)
# assert that if agent does not supply integration_bridge bridge_name
# is not set in vif:binding-details
self.assertIsNone(
fake_vif_details.get(portbindings.VIF_DETAILS_BRIDGE_NAME))
class OpenvswitchMechanismSGDisabledBaseTestCase(
OpenvswitchMechanismBaseTestCase):
VIF_DETAILS = {'bridge_name': 'br-int',
portbindings.OVS_DATAPATH_TYPE: 'system',
portbindings.CAP_PORT_FILTER: False,
portbindings.OVS_HYBRID_PLUG: False,
portbindings.VIF_DETAILS_CONNECTIVITY:
portbindings.CONNECTIVITY_L2}
GOOD_MAPPINGS = {'fake_physical_network': 'fake_bridge'}
GOOD_TUNNEL_TYPES = ['gre', 'vxlan']
GOOD_CONFIGS = {'bridge_mappings': GOOD_MAPPINGS,
'integration_bridge': 'br-int',
portbindings.OVS_HYBRID_PLUG: False,
'tunnel_types': GOOD_TUNNEL_TYPES}
AGENTS = [{'alive': True,
'configurations': GOOD_CONFIGS,
'host': 'host'}]
def setUp(self):
cfg.CONF.set_override('enable_security_group',
False,
group='SECURITYGROUP')
super(OpenvswitchMechanismSGDisabledBaseTestCase, self).setUp()
class OpenvswitchMechanismHybridPlugTestCase(OpenvswitchMechanismBaseTestCase):
def _make_port_ctx(self, agents):
segments = [{api.ID: 'local_segment_id', api.NETWORK_TYPE: 'local'}]
return base.FakePortContext(self.AGENT_TYPE, agents, segments,
vnic_type=self.VNIC_TYPE)
def test_hybrid_plug_true_if_agent_requests(self):
hybrid = portbindings.OVS_HYBRID_PLUG
# set server side default to false and ensure that hybrid becomes
# true if requested by the agent
self.driver.vif_details[hybrid] = False
agents = [{'alive': True,
'configurations': {hybrid: True},
'host': 'host'}]
context = self._make_port_ctx(agents)
self.driver.bind_port(context)
self.assertTrue(context._bound_vif_details[hybrid])
def test_hybrid_plug_false_if_agent_requests(self):
hybrid = portbindings.OVS_HYBRID_PLUG
# set server side default to true and ensure that hybrid becomes
# false if requested by the agent
self.driver.vif_details[hybrid] = True
agents = [{'alive': True,
'configurations': {hybrid: False},
'host': 'host'}]
context = self._make_port_ctx(agents)
self.driver.bind_port(context)
self.assertFalse(context._bound_vif_details[hybrid])
class OpenvswitchMechanismGenericTestCase(OpenvswitchMechanismBaseTestCase,
base.AgentMechanismGenericTestCase):
def test_driver_responsible_for_ports_allocation(self):
agents = [
{'agent_type': 'Open vSwitch agent',
'configurations': {'resource_provider_bandwidths': {'eth0': {}}},
'id': '1',
'host': 'host'}
]
segments = []
# uuid -v5 87ee7d5c-73bb-11e8-9008-c4d987b2a692 host:eth0
profile = {'allocation': '13cc0ed9-e802-5eaa-b4c7-3441855e31f2'}
port_ctx = base.FakePortContext(
self.AGENT_TYPE,
agents,
segments,
vnic_type=portbindings.VNIC_NORMAL,
profile=profile)
with mock.patch.object(self.driver, '_possible_agents_for_port',
return_value=agents):
self.assertTrue(
self.driver.responsible_for_ports_allocation(port_ctx))
class OpenvswitchMechanismLocalTestCase(OpenvswitchMechanismBaseTestCase,
base.AgentMechanismLocalTestCase):
pass
class OpenvswitchMechanismFlatTestCase(OpenvswitchMechanismBaseTestCase,
base.AgentMechanismFlatTestCase):
pass
class OpenvswitchMechanismVlanTestCase(OpenvswitchMechanismBaseTestCase,
base.AgentMechanismVlanTestCase):
pass
class OpenvswitchMechanismGreTestCase(OpenvswitchMechanismBaseTestCase,
base.AgentMechanismGreTestCase):
pass
class OpenvswitchMechanismSGDisabledLocalTestCase(
OpenvswitchMechanismSGDisabledBaseTestCase,
base.AgentMechanismLocalTestCase):
pass
class OpenvswitchMechanismFirewallUndefinedTestCase(
OpenvswitchMechanismBaseTestCase, base.AgentMechanismLocalTestCase):
def setUp(self):
# this simple test case just ensures backward compatibility where
# the server has no firewall driver configured, which should result
# in hybrid plugging.
super(OpenvswitchMechanismFirewallUndefinedTestCase, self).setUp()
cfg.CONF.set_override('firewall_driver', '', 'SECURITYGROUP')
self.driver = mech_openvswitch.OpenvswitchMechanismDriver()
self.driver.initialize()
class OpenvswitchMechanismDPDKTestCase(OpenvswitchMechanismBaseTestCase):
GOOD_MAPPINGS = {'fake_physical_network': 'fake_bridge'}
GOOD_TUNNEL_TYPES = ['gre', 'vxlan']
VHOST_CONFIGS = {'bridge_mappings': GOOD_MAPPINGS,
'integration_bridge': 'br-int',
'tunnel_types': GOOD_TUNNEL_TYPES,
'datapath_type': a_const.OVS_DATAPATH_NETDEV,
'ovs_capabilities': {
'iface_types': [a_const.OVS_DPDK_VHOST_USER]}}
VHOST_SERVER_CONFIGS = {'bridge_mappings': GOOD_MAPPINGS,
'integration_bridge': 'br-int',
'tunnel_types': GOOD_TUNNEL_TYPES,
'datapath_type': a_const.OVS_DATAPATH_NETDEV,
'ovs_capabilities': {
'iface_types': [a_const.OVS_DPDK_VHOST_USER_CLIENT]}}
SYSTEM_CONFIGS = {'bridge_mappings': GOOD_MAPPINGS,
'integration_bridge': 'br-int',
'tunnel_types': GOOD_TUNNEL_TYPES,
'datapath_type': a_const.OVS_DATAPATH_SYSTEM,
'ovs_capabilities': {'iface_types': []}}
AGENT = {'alive': True,
'configurations': VHOST_CONFIGS,
'host': 'host'}
AGENT_SERVER = {'alive': True,
'configurations': VHOST_SERVER_CONFIGS,
'host': 'host'}
AGENT_SYSTEM = {'alive': True,
'configurations': SYSTEM_CONFIGS,
'host': 'host'}
def test_get_vhost_mode(self):
ifaces = []
result = self.driver.get_vhost_mode(ifaces)
self.assertEqual(portbindings.VHOST_USER_MODE_CLIENT, result)
ifaces = [a_const.OVS_DPDK_VHOST_USER]
result = self.driver.get_vhost_mode(ifaces)
self.assertEqual(portbindings.VHOST_USER_MODE_CLIENT, result)
ifaces = [a_const.OVS_DPDK_VHOST_USER_CLIENT]
result = self.driver.get_vhost_mode(ifaces)
self.assertEqual(portbindings.VHOST_USER_MODE_SERVER, result)
def test_get_vif_type(self):
normal_port_cxt = base.FakePortContext(None, None, None)
result = self.driver.get_vif_type(normal_port_cxt, self.AGENT, None)
self.assertEqual(portbindings.VIF_TYPE_VHOST_USER, result)
result = self.driver.get_vif_type(normal_port_cxt,
self.AGENT_SERVER, None)
self.assertEqual(portbindings.VIF_TYPE_VHOST_USER, result)
result = self.driver.get_vif_type(normal_port_cxt,
self.AGENT_SYSTEM, None)
self.assertEqual(portbindings.VIF_TYPE_OVS, result)
direct_port_cxt = base.FakePortContext(
None, None, None, vnic_type=portbindings.VNIC_DIRECT)
result = self.driver.get_vif_type(direct_port_cxt,
self.AGENT, None)
self.assertEqual(portbindings.VIF_TYPE_OVS, result)
class OpenvswitchMechanismSRIOVTestCase(OpenvswitchMechanismBaseTestCase):
def _make_port_ctx(self, agents, profile=None):
segments = [{api.ID: 'local_segment_id', api.NETWORK_TYPE: 'local'}]
return base.FakePortContext(self.AGENT_TYPE, agents, segments,
vnic_type=portbindings.VNIC_DIRECT,
profile=profile)
@mock.patch('neutron.plugins.ml2.drivers.mech_agent.'
'SimpleAgentMechanismDriverBase.bind_port')
def test_bind_port_sriov_legacy(self, mocked_bind_port):
context = self._make_port_ctx(self.AGENTS)
self.driver.bind_port(context)
mocked_bind_port.assert_not_called()
@mock.patch('neutron.plugins.ml2.drivers.mech_agent.'
'SimpleAgentMechanismDriverBase.bind_port')
def test_bind_port_sriov_switchdev(self, mocked_bind_port):
profile = {'capabilities': ['switchdev']}
context = self._make_port_ctx(self.AGENTS, profile=profile)
self.driver.bind_port(context)
mocked_bind_port.assert_called()
class OpenvswitchMechVnicTypesTestCase(OpenvswitchMechanismBaseTestCase):
supported_vnics = [portbindings.VNIC_NORMAL,
portbindings.VNIC_DIRECT,
portbindings.VNIC_SMARTNIC]
def setUp(self):
self.blacklist_cfg = {
'OVS_DRIVER': {
'vnic_type_blacklist': []
}
}
self.default_supported_vnics = self.supported_vnics
super(OpenvswitchMechVnicTypesTestCase, self).setUp()
def test_default_vnic_types(self):
self.assertEqual(self.default_supported_vnics,
self.driver.supported_vnic_types)
def test_vnic_type_blacklist_valid_item(self):
self.blacklist_cfg['OVS_DRIVER']['vnic_type_blacklist'] = \
[portbindings.VNIC_DIRECT]
fake_conf = cfg.CONF
fake_conf_fixture = base.MechDriverConfFixture(
fake_conf, self.blacklist_cfg,
mech_ovs_conf.register_ovs_mech_driver_opts)
self.useFixture(fake_conf_fixture)
test_driver = mech_openvswitch.OpenvswitchMechanismDriver()
supported_vnic_types = test_driver.supported_vnic_types
self.assertNotIn(portbindings.VNIC_DIRECT, supported_vnic_types)
self.assertEqual(len(self.default_supported_vnics) - 1,
len(supported_vnic_types))
def test_vnic_type_blacklist_not_valid_item(self):
self.blacklist_cfg['OVS_DRIVER']['vnic_type_blacklist'] = ['foo']
fake_conf = cfg.CONF
fake_conf_fixture = base.MechDriverConfFixture(
fake_conf, self.blacklist_cfg,
mech_ovs_conf.register_ovs_mech_driver_opts)
self.useFixture(fake_conf_fixture)
self.assertRaises(ValueError,
mech_openvswitch.OpenvswitchMechanismDriver)
def test_vnic_type_blacklist_all_items(self):
self.blacklist_cfg['OVS_DRIVER']['vnic_type_blacklist'] = \
self.supported_vnics
fake_conf = cfg.CONF
fake_conf_fixture = base.MechDriverConfFixture(
fake_conf, self.blacklist_cfg,
mech_ovs_conf.register_ovs_mech_driver_opts)
self.useFixture(fake_conf_fixture)
self.assertRaises(ValueError,
mech_openvswitch.OpenvswitchMechanismDriver)
class OpenvswitchMechDeviceMappingsTestCase(OpenvswitchMechanismBaseTestCase):
def test_standard_device_mappings(self):
mappings = self.driver.get_standard_device_mappings(self.AGENTS[0])
self.assertEqual(
len(self.GOOD_CONFIGS['bridge_mappings']),
len(mappings))
for ph_orig, br_orig in self.GOOD_CONFIGS['bridge_mappings'].items():
self.assertIn(ph_orig, mappings)
self.assertEqual([br_orig], mappings[ph_orig])
def test_standard_device_mappings_negative(self):
fake_agent = {'agent_type': constants.AGENT_TYPE_OVS,
'configurations': {}}
self.assertRaises(ValueError, self.driver.get_standard_device_mappings,
fake_agent)