443 lines
15 KiB
Python
443 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import os
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import os.path
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import random
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import shutil
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import tempfile
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import yaml
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from os_net_config import objects
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from os_net_config.tests import base
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from os_net_config import utils
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from oslo_concurrency import processutils
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_PCI_OUTPUT = '''driver: e1000e
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version: 3.2.6-k
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firmware-version: 0.13-3
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expansion-rom-version:
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bus-info: 0000:00:19.0
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supports-statistics: yes
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supports-test: yes
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supports-eeprom-access: yes
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supports-register-dump: yes
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supports-priv-flags: no
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'''
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_VPPCTL_OUTPUT = '''
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Name Idx State Counter Count
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GigabitEthernet0/9/0 1 down
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local0 0 down
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'''
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_INITIAL_VPP_CONFIG = '''
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unix {
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nodaemon
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log /tmp/vpp.log
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full-coredump
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}
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api-trace {
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on
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}
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api-segment {
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gid vpp
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}
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dpdk {
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}
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'''
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class TestUtils(base.TestCase):
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def setUp(self):
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super(TestUtils, self).setUp()
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rand = str(int(random.random() * 100000))
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utils._DPDK_MAPPING_FILE = '/tmp/dpdk_mapping_' + rand + '.yaml'
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def tearDown(self):
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super(TestUtils, self).tearDown()
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if os.path.isfile(utils._DPDK_MAPPING_FILE):
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os.remove(utils._DPDK_MAPPING_FILE)
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def test_ordered_active_nics(self):
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tmpdir = tempfile.mkdtemp()
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self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir)
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def test_is_available_nic(interface_name, check_active):
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return True
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self.stubs.Set(utils, '_is_available_nic', test_is_available_nic)
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for nic in ['a1', 'em1', 'em2', 'eth2', 'z1',
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'enp8s0', 'enp10s0', 'enp1s0f0']:
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with open(os.path.join(tmpdir, nic), 'w') as f:
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f.write(nic)
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nics = utils.ordered_active_nics()
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self.assertEqual('em1', nics[0])
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self.assertEqual('em2', nics[1])
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self.assertEqual('eth2', nics[2])
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self.assertEqual('a1', nics[3])
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self.assertEqual('enp1s0f0', nics[4])
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self.assertEqual('enp8s0', nics[5])
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self.assertEqual('enp10s0', nics[6])
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self.assertEqual('z1', nics[7])
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shutil.rmtree(tmpdir)
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def test_get_pci_address_success(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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out = _PCI_OUTPUT
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return out, None
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self.stubs.Set(processutils, 'execute', test_execute)
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pci = utils.get_pci_address('nic2', False)
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self.assertEqual('0000:00:19.0', pci)
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def test_get_pci_address_exception(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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raise processutils.ProcessExecutionError
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self.stubs.Set(processutils, 'execute', test_execute)
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pci = utils.get_pci_address('nic2', False)
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self.assertEqual(None, pci)
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def test_get_pci_address_error(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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return None, 'Error'
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self.stubs.Set(processutils, 'execute', test_execute)
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pci = utils.get_pci_address('nic2', False)
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self.assertEqual(None, pci)
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def test_get_stored_pci_address_success(self):
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def test_get_dpdk_map():
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return [{'name': 'eth1', 'pci_address': '0000:00:09.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map)
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pci = utils.get_stored_pci_address('eth1', False)
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self.assertEqual('0000:00:09.0', pci)
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def test_get_stored_pci_address_empty(self):
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def test_get_dpdk_map():
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return []
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self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map)
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pci = utils.get_stored_pci_address('eth1', False)
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self.assertEqual(None, pci)
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def test_bind_dpdk_interfaces(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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out = _PCI_OUTPUT
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return out, None
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if 'driverctl' in name:
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return None, None
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def test_get_dpdk_mac_address(name):
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return '01:02:03:04:05:06'
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self.stubs.Set(processutils, 'execute', test_execute)
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self.stubs.Set(utils, '_get_dpdk_mac_address',
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test_get_dpdk_mac_address)
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try:
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utils.bind_dpdk_interfaces('nic2', 'vfio-pci', False)
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except utils.OvsDpdkBindException:
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self.fail("Received OvsDpdkBindException unexpectedly")
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def test_bind_dpdk_interfaces_fail(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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out = _PCI_OUTPUT
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return out, None
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if 'driverctl' in name:
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return None, 'Error'
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def test_get_dpdk_mac_address(name):
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return '01:02:03:04:05:06'
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self.stubs.Set(processutils, 'execute', test_execute)
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self.stubs.Set(utils, '_get_dpdk_mac_address',
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test_get_dpdk_mac_address)
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self.assertRaises(utils.OvsDpdkBindException,
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utils.bind_dpdk_interfaces, 'eth1', 'vfio-pci',
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False)
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def test_bind_dpdk_interfaces_skip_valid_device(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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return None, 'Error'
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if 'driverctl' in name:
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return None, None
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def test_get_dpdk_mac_address(name):
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return '01:02:03:04:05:06'
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def test_get_dpdk_map():
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return [{'name': 'eth1', 'pci_address': '0000:00:09.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map)
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self.stubs.Set(processutils, 'execute', test_execute)
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self.stubs.Set(utils, '_get_dpdk_mac_address',
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test_get_dpdk_mac_address)
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try:
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utils.bind_dpdk_interfaces('eth1', 'vfio-pci', False)
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except utils.OvsDpdkBindException:
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self.fail("Received OvsDpdkBindException unexpectedly")
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def test_bind_dpdk_interfaces_fail_invalid_device(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'ethtool' in name:
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return None, 'Error'
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if 'driverctl' in name:
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return None, None
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def test_get_dpdk_mac_address(name):
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return '01:02:03:04:05:06'
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def test_get_dpdk_map():
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return [{'name': 'eth1', 'pci_address': '0000:00:09.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map)
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self.stubs.Set(processutils, 'execute', test_execute)
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self.stubs.Set(utils, '_get_dpdk_mac_address',
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test_get_dpdk_mac_address)
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self.assertRaises(utils.OvsDpdkBindException,
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utils.bind_dpdk_interfaces, 'eth2', 'vfio-pci',
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False)
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def test__update_dpdk_map_new(self):
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utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06',
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'vfio-pci')
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contents = utils.get_file_data(utils._DPDK_MAPPING_FILE)
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dpdk_map = yaml.load(contents) if contents else []
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self.assertEqual(1, len(dpdk_map))
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dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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self.assertListEqual(dpdk_test, dpdk_map)
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def test_update_dpdk_map_exist(self):
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dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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utils.write_yaml_config(utils._DPDK_MAPPING_FILE, dpdk_test)
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utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06',
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'vfio-pci')
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contents = utils.get_file_data(utils._DPDK_MAPPING_FILE)
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dpdk_map = yaml.load(contents) if contents else []
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self.assertEqual(1, len(dpdk_map))
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self.assertListEqual(dpdk_test, dpdk_map)
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def test_update_dpdk_map_value_change(self):
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dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0',
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'driver': 'vfio-pci'}]
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utils.write_yaml_config(utils._DPDK_MAPPING_FILE, dpdk_test)
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dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06',
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'vfio-pci')
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try:
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contents = utils.get_file_data(utils._DPDK_MAPPING_FILE)
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except IOError:
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pass
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dpdk_map = yaml.load(contents) if contents else []
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self.assertEqual(1, len(dpdk_map))
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self.assertListEqual(dpdk_test, dpdk_map)
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def test_ordered_active_nics_with_dpdk_mapping(self):
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tmpdir = tempfile.mkdtemp()
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self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir)
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def test_is_available_nic(interface_name, check_active):
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return True
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self.stubs.Set(utils, '_is_available_nic', test_is_available_nic)
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for nic in ['a1', 'em1', 'em2', 'eth2', 'z1',
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'enp8s0', 'enp10s0', 'enp1s0f0']:
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with open(os.path.join(tmpdir, nic), 'w') as f:
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f.write(nic)
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utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06',
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'vfio-pci')
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utils._update_dpdk_map('p3p1', '0000:04:00.0', '01:02:03:04:05:07',
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'igb_uio')
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nics = utils.ordered_active_nics()
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self.assertEqual('em1', nics[0])
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self.assertEqual('em2', nics[1])
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self.assertEqual('eth1', nics[2]) # DPDK bound nic
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self.assertEqual('eth2', nics[3])
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self.assertEqual('a1', nics[4])
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self.assertEqual('enp1s0f0', nics[5])
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self.assertEqual('enp8s0', nics[6])
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self.assertEqual('enp10s0', nics[7])
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self.assertEqual('p3p1', nics[8]) # DPDK bound nic
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self.assertEqual('z1', nics[9])
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shutil.rmtree(tmpdir)
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def test_interface_mac_raises(self):
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self.assertRaises(IOError, utils.interface_mac, 'ens20f2p3')
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def test_is_active_nic_for_sriov_vf(self):
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tmpdir = tempfile.mkdtemp()
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self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir)
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# SR-IOV PF = ens802f0
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# SR-IOV VF = enp129s2
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for nic in ['ens802f0', 'enp129s2']:
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nic_path = os.path.join(tmpdir, nic)
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os.makedirs(nic_path)
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os.makedirs(os.path.join(nic_path, 'device'))
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with open(os.path.join(nic_path, 'operstate'), 'w') as f:
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f.write('up')
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with open(os.path.join(nic_path, 'address'), 'w') as f:
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f.write('1.2.3.4')
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nic_path = os.path.join(tmpdir, 'enp129s2', 'device', 'physfn')
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os.makedirs(nic_path)
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self.assertEqual(utils.is_active_nic('ens802f0'), True)
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self.assertEqual(utils.is_active_nic('enp129s2'), False)
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shutil.rmtree(tmpdir)
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def test_get_vpp_interface_name(self):
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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if 'systemctl' in name:
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return None, None
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if 'vppctl' in name:
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return _VPPCTL_OUTPUT, None
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self.stubs.Set(processutils, 'execute', test_execute)
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self.assertEqual('GigabitEthernet0/9/0',
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utils._get_vpp_interface_name('0000:00:09.0'))
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self.assertIsNone(utils._get_vpp_interface_name(None))
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self.assertIsNone(utils._get_vpp_interface_name('0000:01:09.0'))
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self.assertRaises(utils.VppException,
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utils._get_vpp_interface_name, '0000:09.0')
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@mock.patch('os_net_config.utils.processutils.execute',
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return_value=('', None))
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def test_get_vpp_interface_name_multiple_iterations(self, mock_execute):
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self.assertIsNone(utils._get_vpp_interface_name('0000:00:09.0', 2, 1))
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self.assertEqual(4, mock_execute.call_count)
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def test_generate_vpp_config(self):
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tmpdir = tempfile.mkdtemp()
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config_path = os.path.join(tmpdir, 'startup.conf')
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with open(config_path, 'w') as f:
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f.write(_INITIAL_VPP_CONFIG)
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vpp_exec_path = os.path.join(tmpdir, 'vpp-exec')
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utils._VPP_EXEC_FILE = vpp_exec_path
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int1 = objects.VppInterface('em1', options="vlan-strip-offload off")
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int1.pci_dev = '0000:00:09.0'
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int2 = objects.VppInterface('em2')
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int2.pci_dev = '0000:00:09.1'
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interfaces = [int1, int2]
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expected_config = '''
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unix {
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exec %s
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nodaemon
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log /tmp/vpp.log
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full-coredump
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}
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api-trace {
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on
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}
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api-segment {
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gid vpp
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}
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dpdk {
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dev 0000:00:09.1
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uio-driver vfio-pci
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dev 0000:00:09.0 {vlan-strip-offload off}
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}
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''' % vpp_exec_path
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self.assertEqual(expected_config,
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utils.generate_vpp_config(config_path, interfaces))
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def test_update_vpp_mapping(self):
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def test_get_dpdk_map():
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return [{'name': 'eth1', 'pci_address': '0000:00:09.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'}]
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self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map)
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def test_execute(name, dummy1, dummy2=None, dummy3=None):
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return None, None
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self.stubs.Set(processutils, 'execute', test_execute)
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def test_get_vpp_interface_name(pci_dev, tries, timeout):
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return 'GigabitEthernet0/9/0'
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self.stubs.Set(utils, '_get_vpp_interface_name',
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test_get_vpp_interface_name)
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int1 = objects.VppInterface('eth1', options="vlan-strip-offload off")
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int1.pci_dev = '0000:00:09.0'
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int1.hwaddr = '01:02:03:04:05:06'
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int2 = objects.VppInterface('eth2')
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int2.pci_dev = '0000:00:09.1'
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int2.hwaddr = '01:02:03:04:05:07'
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interfaces = [int1, int2]
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utils.update_vpp_mapping(interfaces)
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contents = utils.get_file_data(utils._DPDK_MAPPING_FILE)
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dpdk_test = [{'name': 'eth1', 'pci_address': '0000:00:09.0',
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'mac_address': '01:02:03:04:05:06',
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'driver': 'vfio-pci'},
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{'name': 'eth2', 'pci_address': '0000:00:09.1',
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'mac_address': '01:02:03:04:05:07',
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'driver': 'vfio-pci'}]
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dpdk_map = yaml.load(contents) if contents else []
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self.assertEqual(2, len(dpdk_map))
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self.assertListEqual(dpdk_test, dpdk_map)
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