569 lines
27 KiB
Python
569 lines
27 KiB
Python
# Copyright 2014 Mellanox Technologies, Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import mock
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from neutron.agent.linux import ip_link_support
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from neutron.plugins.ml2.drivers.mech_sriov.agent.common \
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import exceptions as exc
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from neutron.plugins.ml2.drivers.mech_sriov.agent import eswitch_manager as esm
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from neutron.tests import base
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class TestCreateESwitchManager(base.BaseTestCase):
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SCANNED_DEVICES = [('0000:06:00.1', 0),
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('0000:06:00.2', 1),
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('0000:06:00.3', 2)]
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@staticmethod
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def cleanup():
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if hasattr(esm.ESwitchManager, '_instance'):
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del esm.ESwitchManager._instance
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def test_create_eswitch_mgr_fail(self):
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device_mappings = {'physnet1': ['p6p1']}
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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side_effect=exc.InvalidDeviceError(
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dev_name="p6p1", reason="device" " not found")),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=True):
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eswitch_mgr = esm.ESwitchManager()
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self.addCleanup(self.cleanup)
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self.assertRaises(exc.InvalidDeviceError,
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eswitch_mgr.discover_devices,
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device_mappings, None)
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def test_create_eswitch_mgr_ok(self):
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device_mappings = {'physnet1': ['p6p1']}
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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return_value=self.SCANNED_DEVICES),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=True):
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eswitch_mgr = esm.ESwitchManager()
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self.addCleanup(self.cleanup)
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eswitch_mgr.discover_devices(device_mappings, None)
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class TestESwitchManagerApi(base.BaseTestCase):
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SCANNED_DEVICES = [('0000:06:00.1', 0),
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('0000:06:00.2', 1),
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('0000:06:00.3', 2)]
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ASSIGNED_MAC = '00:00:00:00:00:66'
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PCI_SLOT = '0000:06:00.1'
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WRONG_MAC = '00:00:00:00:00:67'
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WRONG_PCI = "0000:06:00.6"
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MAX_RATE = ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE
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MIN_RATE = ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_MIN_TX_RATE
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def setUp(self):
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super(TestESwitchManagerApi, self).setUp()
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device_mappings = {'physnet1': ['p6p1']}
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self.eswitch_mgr = esm.ESwitchManager()
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self.addCleanup(self.cleanup)
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self._set_eswitch_manager(self.eswitch_mgr, device_mappings)
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@staticmethod
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def cleanup():
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if hasattr(esm.ESwitchManager, '_instance'):
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del esm.ESwitchManager._instance
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def _set_eswitch_manager(self, eswitch_mgr, device_mappings):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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return_value=self.SCANNED_DEVICES), \
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=True):
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eswitch_mgr.discover_devices(device_mappings, None)
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def test_get_assigned_devices_info(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_assigned_devices_info",
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return_value=[(self.ASSIGNED_MAC, self.PCI_SLOT)]):
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result = self.eswitch_mgr.get_assigned_devices_info()
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self.assertIn(self.ASSIGNED_MAC, list(result)[0])
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self.assertIn(self.PCI_SLOT, list(result)[0])
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def test_get_assigned_devices_info_multiple_nics_for_physnet(self):
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device_mappings = {'physnet1': ['p6p1', 'p6p2']}
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devices_info = {
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'p6p1': [(self.ASSIGNED_MAC, self.PCI_SLOT)],
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'p6p2': [(self.WRONG_MAC, self.WRONG_PCI)],
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}
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def get_assigned_devices_info(self):
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return devices_info[self.dev_name]
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self._set_eswitch_manager(self.eswitch_mgr, device_mappings)
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_assigned_devices_info",
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side_effect=get_assigned_devices_info,
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autospec=True):
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result = self.eswitch_mgr.get_assigned_devices_info()
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self.assertIn(devices_info['p6p1'][0], list(result))
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self.assertIn(devices_info['p6p2'][0], list(result))
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def test_get_device_status_true(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_device_state",
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return_value=True):
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result = self.eswitch_mgr.get_device_state(self.ASSIGNED_MAC,
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self.PCI_SLOT)
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self.assertTrue(result)
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def test_get_device_status_false(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_device_state",
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return_value=False):
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result = self.eswitch_mgr.get_device_state(self.ASSIGNED_MAC,
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self.PCI_SLOT)
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self.assertFalse(result)
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def test_get_device_status_mismatch(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_device_state",
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return_value=True):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.LOG.warning") as log_mock:
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result = self.eswitch_mgr.get_device_state(self.WRONG_MAC,
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self.PCI_SLOT)
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log_mock.assert_called_with('device pci mismatch: '
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'%(device_mac)s - %(pci_slot)s',
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{'pci_slot': self.PCI_SLOT,
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'device_mac': self.WRONG_MAC})
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self.assertFalse(result)
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def test_set_device_status(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.set_device_state"):
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self.eswitch_mgr.set_device_state(self.ASSIGNED_MAC,
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self.PCI_SLOT, True)
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def test_set_device_max_rate(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC) as get_pci_mock,\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.set_device_rate")\
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as set_device_rate_mock:
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self.eswitch_mgr.set_device_max_rate(self.ASSIGNED_MAC,
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self.PCI_SLOT, 1000)
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get_pci_mock.assert_called_once_with(self.PCI_SLOT)
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set_device_rate_mock.assert_called_once_with(
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self.PCI_SLOT, self.MAX_RATE, 1000)
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def test_set_device_min_tx_rate(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC) as get_pci_mock,\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.set_device_rate")\
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as set_device_rate_mock:
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self.eswitch_mgr.set_device_min_tx_rate(self.ASSIGNED_MAC,
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self.PCI_SLOT, 1000)
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get_pci_mock.assert_called_once_with(self.PCI_SLOT)
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set_device_rate_mock.assert_called_once_with(
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self.PCI_SLOT, self.MIN_RATE, 1000)
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def test_set_device_status_mismatch(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.set_device_state"):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.LOG.warning") as log_mock:
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self.eswitch_mgr.set_device_state(self.WRONG_MAC,
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self.PCI_SLOT, True)
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log_mock.assert_called_with('device pci mismatch: '
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'%(device_mac)s - %(pci_slot)s',
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{'pci_slot': self.PCI_SLOT,
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'device_mac': self.WRONG_MAC})
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def _mock_device_exists(self, pci_slot, mac_address, expected_result):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC):
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result = self.eswitch_mgr.device_exists(mac_address,
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pci_slot)
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self.assertEqual(expected_result, result)
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def test_device_exists_true(self):
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self._mock_device_exists(self.PCI_SLOT,
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self.ASSIGNED_MAC,
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True)
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def test_device_exists_false(self):
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self._mock_device_exists(self.WRONG_PCI,
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self.WRONG_MAC,
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False)
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def test_device_exists_mismatch(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.EmbSwitch.get_pci_device",
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return_value=self.ASSIGNED_MAC):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.LOG.warning") as log_mock:
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result = self.eswitch_mgr.device_exists(self.WRONG_MAC,
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self.PCI_SLOT)
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log_mock.assert_called_with('device pci mismatch: '
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'%(device_mac)s - %(pci_slot)s',
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{'pci_slot': self.PCI_SLOT,
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'device_mac': self.WRONG_MAC})
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self.assertFalse(result)
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def _test_clear_rate(self, rate_type, pci_slot, passed, mac_address):
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with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.agent.'
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'eswitch_manager.EmbSwitch.set_device_rate') \
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as set_rate_mock, \
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mock.patch('neutron.plugins.ml2.drivers.mech_sriov.agent.'
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'pci_lib.PciDeviceIPWrapper.get_assigned_macs',
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return_value=mac_address):
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self.eswitch_mgr.clear_rate(pci_slot, rate_type)
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if passed:
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set_rate_mock.assert_called_once_with(pci_slot, rate_type, 0)
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else:
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self.assertFalse(set_rate_mock.called)
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def test_clear_rate_max_rate_existing_pci_slot(self):
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self._test_clear_rate(self.MAX_RATE, self.PCI_SLOT, passed=True,
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mac_address={})
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def test_clear_rate_max_rate_exist_and_assigned_pci(self):
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self._test_clear_rate(self.MAX_RATE, self.PCI_SLOT, passed=False,
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mac_address={0: self.ASSIGNED_MAC})
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def test_clear_rate_max_rate_nonexisting_pci_slot(self):
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self._test_clear_rate(self.MAX_RATE, self.WRONG_PCI, passed=False,
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mac_address={})
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def test_clear_rate_min_tx_rate_existing_pci_slot(self):
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self._test_clear_rate(self.MIN_RATE, self.PCI_SLOT, passed=True,
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mac_address={})
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def test_clear_rate_min_tx_rate_exist_and_assigned_pci(self):
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self._test_clear_rate(self.MIN_RATE, self.PCI_SLOT, passed=False,
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mac_address={0: self.ASSIGNED_MAC})
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def test_clear_rate_min_tx_rate_nonexisting_pci_slot(self):
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self._test_clear_rate(self.MIN_RATE, self.WRONG_PCI, passed=False,
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mac_address={})
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class TestEmbSwitch(base.BaseTestCase):
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DEV_NAME = "eth2"
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PHYS_NET = "default"
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ASSIGNED_MAC = '00:00:00:00:00:66'
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PCI_SLOT = "0000:06:00.1"
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WRONG_PCI_SLOT = "0000:06:00.4"
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SCANNED_DEVICES = [('0000:06:00.1', 0),
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('0000:06:00.2', 1),
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('0000:06:00.3', 2)]
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VF_TO_MAC_MAPPING = {0: '00:00:00:00:00:11',
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1: '00:00:00:00:00:22',
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2: '00:00:00:00:00:33'}
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EXPECTED_MAC_TO_PCI = {
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'00:00:00:00:00:11': '0000:06:00.1',
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'00:00:00:00:00:22': '0000:06:00.2',
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'00:00:00:00:00:33': '0000:06:00.3'}
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def setUp(self):
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super(TestEmbSwitch, self).setUp()
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exclude_devices = set()
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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return_value=self.SCANNED_DEVICES):
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self.emb_switch = esm.EmbSwitch(self.PHYS_NET, self.DEV_NAME,
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exclude_devices)
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@mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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return_value=[(PCI_SLOT, 0)])
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def test_get_assigned_devices_info(self, *args):
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emb_switch = esm.EmbSwitch(self.PHYS_NET, self.DEV_NAME, ())
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.get_assigned_macs",
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return_value={0: self.ASSIGNED_MAC}),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=True):
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result = emb_switch.get_assigned_devices_info()
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self.assertIn(self.ASSIGNED_MAC, list(result)[0])
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self.assertIn(self.PCI_SLOT, list(result)[0])
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@mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.scan_vf_devices",
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return_value=SCANNED_DEVICES)
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def test_get_assigned_devices_info_multiple_slots(self, *args):
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emb_switch = esm.EmbSwitch(self.PHYS_NET, self.DEV_NAME, ())
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.get_assigned_macs",
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return_value=self.VF_TO_MAC_MAPPING),\
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mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=True):
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devices_info = emb_switch.get_assigned_devices_info()
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for device_info in devices_info:
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mac = device_info[0]
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pci_slot = device_info[1]
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self.assertEqual(
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self.EXPECTED_MAC_TO_PCI[mac], pci_slot)
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def test_get_assigned_devices_empty(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"eswitch_manager.PciOsWrapper.is_assigned_vf",
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return_value=False):
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result = self.emb_switch.get_assigned_devices_info()
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self.assertFalse(result)
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def test_get_device_state_ok(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.get_vf_state",
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return_value=False):
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result = self.emb_switch.get_device_state(self.PCI_SLOT)
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self.assertFalse(result)
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def test_get_device_state_fail(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.get_vf_state",
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return_value=False):
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self.assertRaises(exc.InvalidPciSlotError,
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self.emb_switch.get_device_state,
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self.WRONG_PCI_SLOT)
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def test_set_device_state_ok(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.set_vf_state"):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
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"pci_lib.LOG.warning") as log_mock:
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self.emb_switch.set_device_state(self.PCI_SLOT, True)
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self.assertEqual(0, log_mock.call_count)
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def test_set_device_state_fail(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.set_vf_state"):
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self.assertRaises(exc.InvalidPciSlotError,
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self.emb_switch.set_device_state,
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self.WRONG_PCI_SLOT, True)
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def test_set_device_spoofcheck_ok(self):
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with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
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"PciDeviceIPWrapper.set_vf_spoofcheck") as \
|
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set_vf_spoofcheck_mock:
|
|
self.emb_switch.set_device_spoofcheck(self.PCI_SLOT, True)
|
|
self.assertTrue(set_vf_spoofcheck_mock.called)
|
|
|
|
def test_set_device_spoofcheck_fail(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_spoofcheck"):
|
|
self.assertRaises(exc.InvalidPciSlotError,
|
|
self.emb_switch.set_device_spoofcheck,
|
|
self.WRONG_PCI_SLOT, True)
|
|
|
|
def test_set_device_rate_ok(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2000)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2)
|
|
|
|
def test_set_device_max_rate_ok2(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 99)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 1)
|
|
|
|
def test_set_device_max_rate_rounded_ok(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2001)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2)
|
|
|
|
def test_set_device_max_rate_rounded_ok2(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2499)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2)
|
|
|
|
def test_set_device_max_rate_rounded_ok3(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 2500)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 3)
|
|
|
|
def test_set_device_max_rate_disable(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate") as pci_lib_mock:
|
|
self.emb_switch.set_device_rate(
|
|
self.PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 0)
|
|
pci_lib_mock.assert_called_with(
|
|
0, ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 0)
|
|
|
|
def test_set_device_max_rate_fail(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.set_vf_rate"):
|
|
self.assertRaises(
|
|
exc.InvalidPciSlotError,
|
|
self.emb_switch.set_device_rate,
|
|
self.WRONG_PCI_SLOT,
|
|
ip_link_support.IpLinkConstants.IP_LINK_CAPABILITY_RATE, 1000)
|
|
|
|
def test_get_pci_device(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.get_assigned_macs",
|
|
return_value={0: self.ASSIGNED_MAC}),\
|
|
mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
|
|
"eswitch_manager.PciOsWrapper.is_assigned_vf",
|
|
return_value=True):
|
|
result = self.emb_switch.get_pci_device(self.PCI_SLOT)
|
|
self.assertEqual(self.ASSIGNED_MAC, result)
|
|
|
|
def test_get_pci_device_fail(self):
|
|
with mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.get_assigned_macs",
|
|
return_value=[self.ASSIGNED_MAC]),\
|
|
mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent."
|
|
"eswitch_manager.PciOsWrapper.is_assigned_vf",
|
|
return_value=True):
|
|
result = self.emb_switch.get_pci_device(self.WRONG_PCI_SLOT)
|
|
self.assertIsNone(result)
|
|
|
|
def test_get_pci_list(self):
|
|
result = self.emb_switch.get_pci_slot_list()
|
|
self.assertEqual([tup[0] for tup in self.SCANNED_DEVICES],
|
|
sorted(result))
|
|
|
|
|
|
class TestPciOsWrapper(base.BaseTestCase):
|
|
DEV_NAME = "p7p1"
|
|
VF_INDEX = 1
|
|
DIR_CONTENTS = [
|
|
"mlx4_port1",
|
|
"virtfn0",
|
|
"virtfn1",
|
|
"virtfn2"
|
|
]
|
|
DIR_CONTENTS_NO_MATCH = [
|
|
"mlx4_port1",
|
|
"mlx4_port1"
|
|
]
|
|
LINKS = {
|
|
"virtfn0": "../0000:04:00.1",
|
|
"virtfn1": "../0000:04:00.2",
|
|
"virtfn2": "../0000:04:00.3"
|
|
}
|
|
PCI_SLOTS = [
|
|
('0000:04:00.1', 0),
|
|
('0000:04:00.2', 1),
|
|
('0000:04:00.3', 2)
|
|
]
|
|
|
|
def test_scan_vf_devices(self):
|
|
def _get_link(file_path):
|
|
file_name = os.path.basename(file_path)
|
|
return self.LINKS[file_name]
|
|
|
|
with mock.patch("os.path.isdir", return_value=True),\
|
|
mock.patch("os.listdir", return_value=self.DIR_CONTENTS),\
|
|
mock.patch("os.path.islink", return_value=True),\
|
|
mock.patch("os.readlink", side_effect=_get_link):
|
|
result = esm.PciOsWrapper.scan_vf_devices(self.DEV_NAME)
|
|
self.assertEqual(self.PCI_SLOTS, result)
|
|
|
|
def test_scan_vf_devices_no_dir(self):
|
|
with mock.patch("os.path.isdir", return_value=False):
|
|
self.assertRaises(exc.InvalidDeviceError,
|
|
esm.PciOsWrapper.scan_vf_devices,
|
|
self.DEV_NAME)
|
|
|
|
def test_scan_vf_devices_no_content(self):
|
|
with mock.patch("os.path.isdir", return_value=True),\
|
|
mock.patch("os.listdir", return_value=[]):
|
|
self.assertRaises(exc.InvalidDeviceError,
|
|
esm.PciOsWrapper.scan_vf_devices,
|
|
self.DEV_NAME)
|
|
|
|
def test_scan_vf_devices_no_match(self):
|
|
with mock.patch("os.path.isdir", return_value=True),\
|
|
mock.patch("os.listdir",
|
|
return_value=self.DIR_CONTENTS_NO_MATCH):
|
|
self.assertRaises(exc.InvalidDeviceError,
|
|
esm.PciOsWrapper.scan_vf_devices,
|
|
self.DEV_NAME)
|
|
|
|
@mock.patch("os.listdir", side_effect=OSError())
|
|
def test_is_assigned_vf_true(self, *args):
|
|
self.assertTrue(esm.PciOsWrapper.is_assigned_vf(
|
|
self.DEV_NAME, self.VF_INDEX))
|
|
|
|
@mock.patch("os.listdir", return_value=[DEV_NAME, "eth1"])
|
|
@mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.is_macvtap_assigned", return_value=False)
|
|
def test_is_assigned_vf_false(self, *args):
|
|
self.assertFalse(esm.PciOsWrapper.is_assigned_vf(
|
|
self.DEV_NAME, self.VF_INDEX))
|
|
|
|
@mock.patch("os.listdir", return_value=["eth0", "eth1"])
|
|
@mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.is_macvtap_assigned", return_value=True)
|
|
def test_is_assigned_vf_macvtap(
|
|
self, mock_is_macvtap_assigned, *args):
|
|
esm.PciOsWrapper.is_assigned_vf(self.DEV_NAME, self.VF_INDEX)
|
|
mock_is_macvtap_assigned.called_with(self.VF_INDEX, "eth0")
|
|
|
|
@mock.patch("os.listdir", side_effect=OSError())
|
|
@mock.patch("neutron.plugins.ml2.drivers.mech_sriov.agent.pci_lib."
|
|
"PciDeviceIPWrapper.is_macvtap_assigned")
|
|
def test_is_assigned_vf_macvtap_failure(
|
|
self, mock_is_macvtap_assigned, *args):
|
|
esm.PciOsWrapper.is_assigned_vf(self.DEV_NAME, self.VF_INDEX)
|
|
self.assertFalse(mock_is_macvtap_assigned.called)
|