neutron/neutron/tests/unit/plugins/ml2/drivers/mech_sriov/mech_driver/test_mech_sriov_nic_switch.py

291 lines
12 KiB
Python

# Copyright 2014 Mellanox Technologies, Ltd
#
# 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 mock
from neutron_lib import constants
from oslo_config import cfg
import testtools
from neutron.extensions import portbindings
from neutron.plugins.common import constants as p_const
from neutron.plugins.ml2 import config # noqa
from neutron.plugins.ml2 import driver_api as api
from neutron.plugins.ml2.drivers.mech_sriov.mech_driver \
import exceptions as exc
from neutron.plugins.ml2.drivers.mech_sriov.mech_driver import mech_driver
from neutron.tests.unit.plugins.ml2 import _test_mech_agent as base
MELLANOX_CONNECTX3_PCI_INFO = '15b3:1004'
DEFAULT_PCI_INFO = ['15b3:1004', '8086:10ca']
class TestFakePortContext(base.FakePortContext):
def __init__(self, agent_type, agents, segments,
vnic_type=portbindings.VNIC_NORMAL,
profile={'pci_vendor_info':
MELLANOX_CONNECTX3_PCI_INFO}):
super(TestFakePortContext, self).__init__(agent_type,
agents,
segments,
vnic_type)
self._bound_profile = profile
@property
def current(self):
return {'id': base.PORT_ID,
portbindings.VNIC_TYPE: self._bound_vnic_type,
portbindings.PROFILE: self._bound_profile}
def set_binding(self, segment_id, vif_type, vif_details, state):
self._bound_segment_id = segment_id
self._bound_vif_type = vif_type
self._bound_vif_details = vif_details
self._bound_state = state
class SriovNicSwitchMechanismBaseTestCase(base.AgentMechanismBaseTestCase):
VIF_TYPE = mech_driver.VIF_TYPE_HW_VEB
CAP_PORT_FILTER = False
AGENT_TYPE = constants.AGENT_TYPE_NIC_SWITCH
VLAN_SEGMENTS = base.AgentMechanismVlanTestCase.VLAN_SEGMENTS
GOOD_MAPPINGS = {'fake_physical_network': ['fake_device']}
GOOD_CONFIGS = {'device_mappings': GOOD_MAPPINGS}
BAD_MAPPINGS = {'wrong_physical_network': ['wrong_device']}
BAD_CONFIGS = {'device_mappings': BAD_MAPPINGS}
AGENTS = [{'alive': True,
'configurations': GOOD_CONFIGS}]
AGENTS_DEAD = [{'alive': False,
'configurations': GOOD_CONFIGS}]
AGENTS_BAD = [{'alive': False,
'configurations': GOOD_CONFIGS},
{'alive': True,
'configurations': BAD_CONFIGS}]
def setUp(self):
cfg.CONF.set_override('supported_pci_vendor_devs',
DEFAULT_PCI_INFO,
'ml2_sriov')
super(SriovNicSwitchMechanismBaseTestCase, self).setUp()
self.driver = mech_driver.SriovNicSwitchMechanismDriver()
self.driver.initialize()
class SriovSwitchMechGenericTestCase(SriovNicSwitchMechanismBaseTestCase,
base.AgentMechanismGenericTestCase):
def test_check_segment(self):
"""Validate the check_segment call."""
segment = {'api.NETWORK_TYPE': ""}
segment[api.NETWORK_TYPE] = p_const.TYPE_VLAN
self.assertTrue(self.driver.check_segment_for_agent(segment))
# Validate a network type not currently supported
segment[api.NETWORK_TYPE] = p_const.TYPE_GRE
self.assertFalse(self.driver.check_segment_for_agent(segment))
def test_check_segment_allows_supported_network_types(self):
for network_type in self.driver.get_allowed_network_types(agent=None):
segment = {api.NETWORK_TYPE: network_type}
self.assertTrue(self.driver.check_segment_for_agent(segment))
class SriovMechVlanTestCase(SriovNicSwitchMechanismBaseTestCase,
base.AgentMechanismBaseTestCase):
VLAN_SEGMENTS = [{api.ID: 'unknown_segment_id',
api.NETWORK_TYPE: 'no_such_type'},
{api.ID: 'vlan_segment_id',
api.NETWORK_TYPE: 'vlan',
api.PHYSICAL_NETWORK: 'fake_physical_network',
api.SEGMENTATION_ID: 1234}]
def test_type_vlan(self):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT)
self.driver.bind_port(context)
self._check_bound(context, self.VLAN_SEGMENTS[1])
def test_type_vlan_bad(self):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS_BAD,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT)
self.driver.bind_port(context)
self._check_unbound(context)
class SriovSwitchMechVnicTypeTestCase(SriovNicSwitchMechanismBaseTestCase):
def _check_vif_type_for_vnic_type(self, vnic_type,
expected_vif_type):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
vnic_type)
self.driver.bind_port(context)
self.assertEqual(expected_vif_type, context._bound_vif_type)
vlan = int(context._bound_vif_details[portbindings.VIF_DETAILS_VLAN])
self.assertEqual(1234, vlan)
def test_vnic_type_direct(self):
self._check_vif_type_for_vnic_type(portbindings.VNIC_DIRECT,
mech_driver.VIF_TYPE_HW_VEB)
def test_vnic_type_macvtap(self):
self._check_vif_type_for_vnic_type(portbindings.VNIC_MACVTAP,
mech_driver.VIF_TYPE_HW_VEB)
def test_vnic_type_direct_physical(self):
self._check_vif_type_for_vnic_type(portbindings.VNIC_DIRECT_PHYSICAL,
mech_driver.VIF_TYPE_HOSTDEV_PHY)
class SriovSwitchMechProfileTestCase(SriovNicSwitchMechanismBaseTestCase):
def _check_vif_for_pci_info(self, pci_vendor_info, expected_vif_type):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT,
{'pci_vendor_info': pci_vendor_info})
self.driver.bind_port(context)
self.assertEqual(expected_vif_type, context._bound_vif_type)
def test_profile_supported_pci_info(self):
self._check_vif_for_pci_info(MELLANOX_CONNECTX3_PCI_INFO,
mech_driver.VIF_TYPE_HW_VEB)
def test_profile_unsupported_pci_info(self):
with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.'
'mech_driver.mech_driver.LOG') as log_mock:
self._check_vif_for_pci_info('xxxx:yyyy', None)
log_mock.debug.assert_called_with('Refusing to bind due to '
'unsupported pci_vendor device')
class SriovSwitchMechProfileFailTestCase(SriovNicSwitchMechanismBaseTestCase):
def _check_for_pci_vendor_info(self, pci_vendor_info):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT,
pci_vendor_info)
self.driver._check_supported_pci_vendor_device(context)
def test_profile_missing_profile(self):
with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.'
'mech_driver.mech_driver.LOG') as log_mock:
self._check_for_pci_vendor_info({})
log_mock.debug.assert_called_with("Missing profile in port"
" binding")
def test_profile_missing_pci_vendor_info(self):
with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.'
'mech_driver.mech_driver.LOG') as log_mock:
self._check_for_pci_vendor_info({'aa': 'bb'})
log_mock.debug.assert_called_with("Missing pci vendor"
" info in profile")
class SriovSwitchMechVifDetailsTestCase(SriovNicSwitchMechanismBaseTestCase):
VLAN_SEGMENTS = [{api.ID: 'vlan_segment_id',
api.NETWORK_TYPE: 'vlan',
api.PHYSICAL_NETWORK: 'fake_physical_network',
api.SEGMENTATION_ID: 1234}]
def test_vif_details_contains_vlan_id(self):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT)
self.driver.bind_port(context)
vif_details = context._bound_vif_details
self.assertIsNotNone(vif_details)
vlan_id = int(vif_details.get(portbindings.VIF_DETAILS_VLAN))
self.assertEqual(1234, vlan_id)
def test_get_vif_details_for_flat_network(self):
segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT}
vif_details = self.driver._get_vif_details(segment)
vlan_id = vif_details[portbindings.VIF_DETAILS_VLAN]
self.assertEqual('0', vlan_id)
def test_get_vif_details_unsupported_net(self):
segment = {api.NETWORK_TYPE: 'foo'}
with testtools.ExpectedException(exc.SriovUnsupportedNetworkType):
self.driver._get_vif_details(segment)
def test_get_vif_details_with_agent(self):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT)
self.driver.bind_port(context)
self.assertEqual(constants.PORT_STATUS_DOWN, context._bound_state)
def test_get_vif_details_with_agent_direct_physical(self):
context = TestFakePortContext(self.AGENT_TYPE,
self.AGENTS,
self.VLAN_SEGMENTS,
portbindings.VNIC_DIRECT_PHYSICAL)
self.driver.bind_port(context)
self.assertEqual(constants.PORT_STATUS_ACTIVE, context._bound_state)
class SriovSwitchMechConfigTestCase(SriovNicSwitchMechanismBaseTestCase):
def _set_config(self, pci_devs=['aa:bb']):
cfg.CONF.set_override('mechanism_drivers',
['logger', 'sriovnicswitch'], 'ml2')
cfg.CONF.set_override('supported_pci_vendor_devs', pci_devs,
'ml2_sriov')
def test_pci_vendor_config_single_entry(self):
self._set_config()
self.driver.initialize()
self.assertEqual(['aa:bb'], self.driver.pci_vendor_info)
def test_pci_vendor_config_multiple_entry(self):
self._set_config(['x:y', 'a:b'])
self.driver.initialize()
self.assertEqual(['x:y', 'a:b'], self.driver.pci_vendor_info)
def test_pci_vendor_config_default_entry(self):
self.driver.initialize()
self.assertEqual(DEFAULT_PCI_INFO,
self.driver.pci_vendor_info)
def test_pci_vendor_config_wrong_entry(self):
self._set_config(['wrong_entry'])
self.assertRaises(cfg.Error, self.driver.initialize)
def test_initialize_missing_product_id(self):
self._set_config(['vendor_id:'])
self.assertRaises(cfg.Error, self.driver.initialize)
def test_initialize_missing_vendor_id(self):
self._set_config([':product_id'])
self.assertRaises(cfg.Error, self.driver.initialize)
def test_initialize_multiple_colons(self):
self._set_config(['foo:bar:baz'])
self.assertRaises(cfg.Error, self.driver.initialize)
def test_initialize_empty_string(self):
self._set_config([''])
self.assertRaises(cfg.Error, self.driver.initialize)