neutron/neutron/tests/unit/agent/linux/test_devlink.py

135 lines
4.7 KiB
Python

# Copyright 2022 Red Hat, Inc.
# 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 pyroute2.netlink import nlsocket
from neutron.agent.linux import devlink
from neutron.privileged.agent import linux as priv_linux
from neutron.privileged.agent.linux import devlink as priv_devlink
from neutron.tests import base
GET_PORT_LIST = (
{'cmd': 3,
'version': 1,
'reserved': 0,
'attrs': [
('DEVLINK_ATTR_BUS_NAME', 'pci'),
('DEVLINK_ATTR_DEV_NAME', '0000:04:00.0'),
('DEVLINK_ATTR_PORT_INDEX', 65535),
('DEVLINK_ATTR_PORT_TYPE', 2),
('DEVLINK_ATTR_PORT_NETDEV_IFINDEX', 6),
('DEVLINK_ATTR_PORT_NETDEV_NAME', 'enp4s0f0np0'),
('DEVLINK_ATTR_PORT_SPLITTABLE', 0),
('DEVLINK_ATTR_PORT_FLAVOUR', 0),
('DEVLINK_ATTR_PORT_NUMBER', 0)
],
'header': {
'length': 112,
'type': 20,
'flags': 2,
'sequence_number': 258,
'pid': 448943,
'error': None,
'target': 'localhost',
'stats': nlsocket.Stats(qsize=0, delta=0, delay=0)
},
'event': 'DEVLINK_CMD_NEW'},
{'cmd': 3,
'version': 1,
'reserved': 0,
'attrs': [
('DEVLINK_ATTR_BUS_NAME', 'pci'),
('DEVLINK_ATTR_DEV_NAME', '0000:04:00.0'),
('DEVLINK_ATTR_PORT_INDEX', 1),
('DEVLINK_ATTR_PORT_TYPE', 2),
('DEVLINK_ATTR_PORT_NETDEV_IFINDEX', 14),
('DEVLINK_ATTR_PORT_NETDEV_NAME', 'enp4s0f0np0_0'),
('DEVLINK_ATTR_PORT_SPLITTABLE', 0),
('DEVLINK_ATTR_PORT_FLAVOUR', 4),
('UNKNOWN', {'header': {'length': 8, 'type': 150}}),
('DEVLINK_ATTR_PORT_PCI_PF_NUMBER', 0),
('DEVLINK_ATTR_PORT_PCI_VF_NUMBER', 0),
('UNKNOWN', {'header': {'length': 5, 'type': 149}}),
('DEVLINK_ATTR_PORT_FUNCTION', {
'attrs': [('DEVLINK_ATTR_BUS_NAME', '')]
})
],
'header': {
'length': 156,
'type': 20,
'flags': 2,
'sequence_number': 258,
'pid': 448943,
'error': None,
'target': 'localhost',
'stats': nlsocket.Stats(qsize=0, delta=0, delay=0)
},
'event': 'DEVLINK_CMD_NEW'},
{'cmd': 3,
'version': 1,
'reserved': 0,
'attrs': [
('DEVLINK_ATTR_BUS_NAME', 'pci'),
('DEVLINK_ATTR_DEV_NAME', '0000:04:00.0'),
('DEVLINK_ATTR_PORT_INDEX', 2),
('DEVLINK_ATTR_PORT_TYPE', 2),
('DEVLINK_ATTR_PORT_NETDEV_IFINDEX', 15),
('DEVLINK_ATTR_PORT_NETDEV_NAME', 'enp4s0f0np0_1'),
('DEVLINK_ATTR_PORT_SPLITTABLE', 0),
('DEVLINK_ATTR_PORT_FLAVOUR', 4),
('UNKNOWN', {'header': {'length': 8, 'type': 150}}),
('DEVLINK_ATTR_PORT_PCI_PF_NUMBER', 0),
('DEVLINK_ATTR_PORT_PCI_VF_NUMBER', 1),
('UNKNOWN', {'header': {'length': 5, 'type': 149}}),
('DEVLINK_ATTR_PORT_FUNCTION', {
'attrs': [('DEVLINK_ATTR_BUS_NAME', '')]
})
],
'header': {
'length': 156,
'type': 20,
'flags': 2,
'sequence_number': 258,
'pid': 448943,
'error': None,
'target': 'localhost',
'stats': nlsocket.Stats(qsize=0, delta=0, delay=0)
},
'event': 'DEVLINK_CMD_NEW'}
)
class TestDevlink(base.BaseTestCase):
@mock.patch.object(priv_devlink, 'get_port_list')
def test_get_port(self, mock_get_port_list):
mock_get_port_list.return_value = priv_linux.make_serializable(
GET_PORT_LIST)
expected_port1 = {'pf_pci': '0000:04:00.0', 'pf_num': 0,
'pf_name': 'enp4s0f0np0', 'vf_num': 0,
'vf_name': 'enp4s0f0np0_0'}
expected_port2 = {'pf_pci': '0000:04:00.0', 'pf_num': 0,
'pf_name': 'enp4s0f0np0', 'vf_num': 1,
'vf_name': 'enp4s0f0np0_1'}
port1 = devlink.get_port('enp4s0f0np0_0')
port2 = devlink.get_port('enp4s0f0np0_1')
port3 = devlink.get_port('enp4s0f0np0_not_present')
self.assertEqual(expected_port1, port1)
self.assertEqual(expected_port2, port2)
self.assertIsNone(port3)