# -*- coding: utf-8 -*- # Copyright 2014 Red Hat, Inc. # # 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 os import os.path import random import shutil import tempfile import yaml from os_net_config import objects from os_net_config.tests import base from os_net_config import utils from oslo_concurrency import processutils _PCI_OUTPUT = '''driver: e1000e version: 3.2.6-k firmware-version: 0.13-3 expansion-rom-version: bus-info: 0000:00:19.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: no ''' _VPPCTL_OUTPUT = ''' Name Idx State Counter Count GigabitEthernet0/9/0 1 down local0 0 down ''' _INITIAL_VPP_CONFIG = ''' unix { nodaemon log /tmp/vpp.log full-coredump } api-trace { on } api-segment { gid vpp } dpdk { } ''' class TestUtils(base.TestCase): def setUp(self): super(TestUtils, self).setUp() rand = str(int(random.random() * 100000)) utils._DPDK_MAPPING_FILE = '/tmp/dpdk_mapping_' + rand + '.yaml' def tearDown(self): super(TestUtils, self).tearDown() if os.path.isfile(utils._DPDK_MAPPING_FILE): os.remove(utils._DPDK_MAPPING_FILE) def test_ordered_active_nics(self): tmpdir = tempfile.mkdtemp() self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir) def test_is_available_nic(interface_name, check_active): return True self.stubs.Set(utils, '_is_available_nic', test_is_available_nic) for nic in ['a1', 'em1', 'em2', 'eth2', 'z1', 'enp8s0', 'enp10s0', 'enp1s0f0']: with open(os.path.join(tmpdir, nic), 'w') as f: f.write(nic) nics = utils.ordered_active_nics() self.assertEqual('em1', nics[0]) self.assertEqual('em2', nics[1]) self.assertEqual('eth2', nics[2]) self.assertEqual('a1', nics[3]) self.assertEqual('enp1s0f0', nics[4]) self.assertEqual('enp8s0', nics[5]) self.assertEqual('enp10s0', nics[6]) self.assertEqual('z1', nics[7]) shutil.rmtree(tmpdir) def test_get_pci_address_success(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'ethtool' in name: out = _PCI_OUTPUT return out, None self.stubs.Set(processutils, 'execute', test_execute) pci = utils.get_pci_address('nic2', False) self.assertEqual('0000:00:19.0', pci) def test_get_pci_address_exception(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'ethtool' in name: raise processutils.ProcessExecutionError self.stubs.Set(processutils, 'execute', test_execute) pci = utils.get_pci_address('nic2', False) self.assertEqual(None, pci) def test_get_pci_address_error(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'ethtool' in name: return None, 'Error' self.stubs.Set(processutils, 'execute', test_execute) pci = utils.get_pci_address('nic2', False) self.assertEqual(None, pci) def test_bind_dpdk_interfaces(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'ethtool' in name: out = _PCI_OUTPUT return out, None if 'driverctl' in name: return None, None def test_get_dpdk_mac_address(name): return '01:02:03:04:05:06' self.stubs.Set(processutils, 'execute', test_execute) self.stubs.Set(utils, '_get_dpdk_mac_address', test_get_dpdk_mac_address) utils.bind_dpdk_interfaces('nic2', 'vfio-pci', False) def test_bind_dpdk_interfaces_fail(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'ethtool' in name: out = _PCI_OUTPUT return out, None if 'driverctl' in name: return None, 'Error' def test_get_dpdk_mac_address(name): return '01:02:03:04:05:06' self.stubs.Set(processutils, 'execute', test_execute) self.stubs.Set(utils, '_get_dpdk_mac_address', test_get_dpdk_mac_address) self.assertRaises(utils.OvsDpdkBindException, utils.bind_dpdk_interfaces, 'eth1', 'vfio-pci', False) def test__update_dpdk_map_new(self): utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06', 'vfio-pci') contents = utils.get_file_data(utils._DPDK_MAPPING_FILE) dpdk_map = yaml.load(contents) if contents else [] self.assertEqual(1, len(dpdk_map)) dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0', 'mac_address': '01:02:03:04:05:06', 'driver': 'vfio-pci'}] self.assertListEqual(dpdk_test, dpdk_map) def test_update_dpdk_map_exist(self): dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0', 'mac_address': '01:02:03:04:05:06', 'driver': 'vfio-pci'}] utils.write_yaml_config(utils._DPDK_MAPPING_FILE, dpdk_test) utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06', 'vfio-pci') contents = utils.get_file_data(utils._DPDK_MAPPING_FILE) dpdk_map = yaml.load(contents) if contents else [] self.assertEqual(1, len(dpdk_map)) self.assertListEqual(dpdk_test, dpdk_map) def test_update_dpdk_map_value_change(self): dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0', 'driver': 'vfio-pci'}] utils.write_yaml_config(utils._DPDK_MAPPING_FILE, dpdk_test) dpdk_test = [{'name': 'eth1', 'pci_address': '0000:03:00.0', 'mac_address': '01:02:03:04:05:06', 'driver': 'vfio-pci'}] utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06', 'vfio-pci') try: contents = utils.get_file_data(utils._DPDK_MAPPING_FILE) except IOError: pass dpdk_map = yaml.load(contents) if contents else [] self.assertEqual(1, len(dpdk_map)) self.assertListEqual(dpdk_test, dpdk_map) def test_ordered_active_nics_with_dpdk_mapping(self): tmpdir = tempfile.mkdtemp() self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir) def test_is_available_nic(interface_name, check_active): return True self.stubs.Set(utils, '_is_available_nic', test_is_available_nic) for nic in ['a1', 'em1', 'em2', 'eth2', 'z1', 'enp8s0', 'enp10s0', 'enp1s0f0']: with open(os.path.join(tmpdir, nic), 'w') as f: f.write(nic) utils._update_dpdk_map('eth1', '0000:03:00.0', '01:02:03:04:05:06', 'vfio-pci') utils._update_dpdk_map('p3p1', '0000:04:00.0', '01:02:03:04:05:07', 'igb_uio') nics = utils.ordered_active_nics() self.assertEqual('em1', nics[0]) self.assertEqual('em2', nics[1]) self.assertEqual('eth1', nics[2]) # DPDK bound nic self.assertEqual('eth2', nics[3]) self.assertEqual('a1', nics[4]) self.assertEqual('enp1s0f0', nics[5]) self.assertEqual('enp8s0', nics[6]) self.assertEqual('enp10s0', nics[7]) self.assertEqual('p3p1', nics[8]) # DPDK bound nic self.assertEqual('z1', nics[9]) shutil.rmtree(tmpdir) def test_interface_mac_raises(self): self.assertRaises(IOError, utils.interface_mac, 'ens20f2p3') def test_is_active_nic_for_sriov_vf(self): tmpdir = tempfile.mkdtemp() self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir) # SR-IOV PF = ens802f0 # SR-IOV VF = enp129s2 for nic in ['ens802f0', 'enp129s2']: nic_path = os.path.join(tmpdir, nic) os.makedirs(nic_path) os.makedirs(os.path.join(nic_path, 'device')) with open(os.path.join(nic_path, 'operstate'), 'w') as f: f.write('up') with open(os.path.join(nic_path, 'address'), 'w') as f: f.write('1.2.3.4') nic_path = os.path.join(tmpdir, 'enp129s2', 'device', 'physfn') os.makedirs(nic_path) self.assertEqual(utils._is_active_nic('ens802f0'), True) self.assertEqual(utils._is_active_nic('enp129s2'), False) shutil.rmtree(tmpdir) def test_get_vpp_interface_name(self): def test_execute(name, dummy1, dummy2=None, dummy3=None): if 'systemctl' in name: return None, None if 'vppctl' in name: return _VPPCTL_OUTPUT, None self.stubs.Set(processutils, 'execute', test_execute) self.assertEqual('GigabitEthernet0/9/0', utils._get_vpp_interface_name('0000:00:09.0')) self.assertIsNone(utils._get_vpp_interface_name(None)) self.assertIsNone(utils._get_vpp_interface_name('0000:01:09.0')) self.assertRaises(utils.VppException, utils._get_vpp_interface_name, '0000:09.0') def test_generate_vpp_config(self): tmpdir = tempfile.mkdtemp() config_path = os.path.join(tmpdir, 'startup.conf') with open(config_path, 'w') as f: f.write(_INITIAL_VPP_CONFIG) vpp_exec_path = os.path.join(tmpdir, 'vpp-exec') utils._VPP_EXEC_FILE = vpp_exec_path int1 = objects.VppInterface('em1', options="vlan-strip-offload off") int1.pci_dev = '0000:00:09.0' int2 = objects.VppInterface('em2') int2.pci_dev = '0000:00:09.1' interfaces = [int1, int2] expected_config = ''' unix { exec %s nodaemon log /tmp/vpp.log full-coredump } api-trace { on } api-segment { gid vpp } dpdk { dev 0000:00:09.1 uio-driver vfio-pci dev 0000:00:09.0 {vlan-strip-offload off} } ''' % vpp_exec_path self.assertEqual(expected_config, utils.generate_vpp_config(config_path, interfaces)) def test_update_vpp_mapping(self): def test_get_dpdk_map(): return [{'name': 'eth1', 'pci_address': '0000:00:09.0', 'mac_address': '01:02:03:04:05:06', 'driver': 'vfio-pci'}] self.stubs.Set(utils, '_get_dpdk_map', test_get_dpdk_map) def test_execute(name, dummy1, dummy2=None, dummy3=None): return None, None self.stubs.Set(processutils, 'execute', test_execute) def test_get_vpp_interface_name(pci_dev): return 'GigabitEthernet0/9/0' self.stubs.Set(utils, '_get_vpp_interface_name', test_get_vpp_interface_name) int1 = objects.VppInterface('eth1', options="vlan-strip-offload off") int1.pci_dev = '0000:00:09.0' int1.hwaddr = '01:02:03:04:05:06' int2 = objects.VppInterface('eth2') int2.pci_dev = '0000:00:09.1' int2.hwaddr = '01:02:03:04:05:07' interfaces = [int1, int2] utils.update_vpp_mapping(interfaces) contents = utils.get_file_data(utils._DPDK_MAPPING_FILE) dpdk_test = [{'name': 'eth1', 'pci_address': '0000:00:09.0', 'mac_address': '01:02:03:04:05:06', 'driver': 'vfio-pci'}, {'name': 'eth2', 'pci_address': '0000:00:09.1', 'mac_address': '01:02:03:04:05:07', 'driver': 'vfio-pci'}] dpdk_map = yaml.load(contents) if contents else [] self.assertEqual(2, len(dpdk_map)) self.assertListEqual(dpdk_test, dpdk_map)