# Copyright (c) 2016-2017 Intel Corporation # # 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 import unittest import os from yardstick.common import exceptions from yardstick.network_services.helpers.dpdkbindnic_helper import DpdkInterface from yardstick.network_services.helpers.dpdkbindnic_helper import DpdkNode from yardstick.network_services.helpers.dpdkbindnic_helper import DpdkBindHelper from yardstick.network_services.helpers.dpdkbindnic_helper import DpdkBindHelperException from yardstick.network_services.helpers.dpdkbindnic_helper import NETWORK_KERNEL from yardstick.network_services.helpers.dpdkbindnic_helper import NETWORK_DPDK from yardstick.network_services.helpers.dpdkbindnic_helper import CRYPTO_KERNEL from yardstick.network_services.helpers.dpdkbindnic_helper import CRYPTO_DPDK from yardstick.network_services.helpers.dpdkbindnic_helper import NETWORK_OTHER from yardstick.network_services.helpers.dpdkbindnic_helper import CRYPTO_OTHER NAME = "tg_0" class TestDpdkInterface(unittest.TestCase): SAMPLE_NETDEVS = { 'enp11s0': { 'address': '0a:de:ad:be:ef:f5', 'device': '0x1533', 'driver': 'igb', 'ifindex': '2', 'interface_name': 'enp11s0', 'operstate': 'down', 'pci_bus_id': '0000:0b:00.0', 'subsystem_device': '0x1533', 'subsystem_vendor': '0x15d9', 'vendor': '0x8086' }, 'lan': { 'address': '0a:de:ad:be:ef:f4', 'device': '0x153a', 'driver': 'e1000e', 'ifindex': '3', 'interface_name': 'lan', 'operstate': 'up', 'pci_bus_id': '0000:00:19.0', 'subsystem_device': '0x153a', 'subsystem_vendor': '0x15d9', 'vendor': '0x8086' } } SAMPLE_VM_NETDEVS = { 'eth1': { 'address': 'fa:de:ad:be:ef:5b', 'device': '0x0001', 'driver': 'virtio_net', 'ifindex': '3', 'interface_name': 'eth1', 'operstate': 'down', 'pci_bus_id': '0000:00:04.0', 'vendor': '0x1af4' } } def test_parse_netdev_info(self): output = """\ /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/ifindex:2 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/address:0a:de:ad:be:ef:f5 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/operstate:down /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/device/vendor:0x8086 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/device/device:0x1533 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/device/subsystem_vendor:0x15d9 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/device/subsystem_device:0x1533 /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/driver:igb /sys/devices/pci0000:00/0000:00:1c.3/0000:0b:00.0/net/enp11s0/pci_bus_id:0000:0b:00.0 /sys/devices/pci0000:00/0000:00:19.0/net/lan/ifindex:3 /sys/devices/pci0000:00/0000:00:19.0/net/lan/address:0a:de:ad:be:ef:f4 /sys/devices/pci0000:00/0000:00:19.0/net/lan/operstate:up /sys/devices/pci0000:00/0000:00:19.0/net/lan/device/vendor:0x8086 /sys/devices/pci0000:00/0000:00:19.0/net/lan/device/device:0x153a /sys/devices/pci0000:00/0000:00:19.0/net/lan/device/subsystem_vendor:0x15d9 /sys/devices/pci0000:00/0000:00:19.0/net/lan/device/subsystem_device:0x153a /sys/devices/pci0000:00/0000:00:19.0/net/lan/driver:e1000e /sys/devices/pci0000:00/0000:00:19.0/net/lan/pci_bus_id:0000:00:19.0 """ res = DpdkBindHelper.parse_netdev_info(output) self.assertDictEqual(res, self.SAMPLE_NETDEVS) def test_parse_netdev_info_virtio(self): output = """\ /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/ifindex:3 /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/address:fa:de:ad:be:ef:5b /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/operstate:down /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/device/vendor:0x1af4 /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/device/device:0x0001 /sys/devices/pci0000:00/0000:00:04.0/virtio1/net/eth1/driver:virtio_net """ res = DpdkBindHelper.parse_netdev_info(output) self.assertDictEqual(res, self.SAMPLE_VM_NETDEVS) def test_probe_missing_values(self): mock_dpdk_node = mock.Mock() mock_dpdk_node.netdevs = self.SAMPLE_NETDEVS.copy() interface = {'local_mac': '0a:de:ad:be:ef:f5'} dpdk_intf = DpdkInterface(mock_dpdk_node, interface) dpdk_intf.probe_missing_values() self.assertEqual(interface['vpci'], '0000:0b:00.0') interface['local_mac'] = '0a:de:ad:be:ef:f4' dpdk_intf.probe_missing_values() self.assertEqual(interface['vpci'], '0000:00:19.0') def test_probe_missing_values_no_update(self): mock_dpdk_node = mock.Mock() mock_dpdk_node.netdevs = self.SAMPLE_NETDEVS.copy() del mock_dpdk_node.netdevs['enp11s0']['driver'] del mock_dpdk_node.netdevs['lan']['driver'] interface = {'local_mac': '0a:de:ad:be:ef:f5'} dpdk_intf = DpdkInterface(mock_dpdk_node, interface) dpdk_intf.probe_missing_values() self.assertNotIn('vpci', interface) self.assertNotIn('driver', interface) def test_probe_missing_values_negative(self): mock_dpdk_node = mock.Mock() mock_dpdk_node.netdevs.values.side_effect = ( exceptions.IncorrectNodeSetup(error_msg='')) interface = {'local_mac': '0a:de:ad:be:ef:f5'} dpdk_intf = DpdkInterface(mock_dpdk_node, interface) with self.assertRaises(exceptions.IncorrectConfig): dpdk_intf.probe_missing_values() class TestDpdkNode(unittest.TestCase): INTERFACES = [ {'name': 'name1', 'virtual-interface': { 'local_mac': 404, 'vpci': 'pci10', }}, {'name': 'name2', 'virtual-interface': { 'local_mac': 404, 'vpci': 'pci2', }}, {'name': 'name3', 'virtual-interface': { 'local_mac': 404, 'vpci': 'some-pci1', }}, ] def test_probe_dpdk_drivers(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' interfaces = [ {'name': 'name1', 'virtual-interface': { 'local_mac': 404, 'vpci': 'pci10', }}, {'name': 'name2', 'virtual-interface': { 'local_mac': 404, 'vpci': 'pci2', }}, {'name': 'name3', 'virtual-interface': { 'local_mac': 404, 'vpci': 'some-pci1', }}, ] dpdk_node = DpdkNode(NAME, interfaces, mock_ssh_helper) dpdk_helper = dpdk_node.dpdk_helper dpdk_helper.probe_real_kernel_drivers = mock.Mock() dpdk_helper.real_kernel_interface_driver_map = { 'pci1': 'driver1', 'pci2': 'driver2', 'pci3': 'driver3', 'pci4': 'driver1', 'pci6': 'driver3', } dpdk_node._probe_dpdk_drivers() self.assertNotIn('driver', interfaces[0]['virtual-interface']) self.assertEqual(interfaces[1]['virtual-interface']['driver'], 'driver2') self.assertEqual(interfaces[2]['virtual-interface']['driver'], 'driver1') def test_check(self): def update(): if not mock_force_rebind.called: raise exceptions.IncorrectConfig(error_msg='') interfaces[0]['virtual-interface'].update({ 'vpci': '0000:01:02.1', 'local_ip': '10.20.30.40', 'netmask': '255.255.0.0', 'driver': 'ixgbe', }) mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' interfaces = [ {'name': 'name1', 'virtual-interface': { 'local_mac': 404, }}, ] dpdk_node = DpdkNode(NAME, interfaces, mock_ssh_helper) dpdk_node._probe_missing_values = mock_probe_missing = mock.Mock(side_effect=update) dpdk_node._force_rebind = mock_force_rebind = mock.Mock() self.assertIsNone(dpdk_node.check()) self.assertEqual(mock_probe_missing.call_count, 2) @mock.patch('yardstick.network_services.helpers.dpdkbindnic_helper.DpdkInterface') def test_check_negative(self, mock_intf_type): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' mock_intf_type().check.side_effect = exceptions.SSHError dpdk_node = DpdkNode(NAME, self.INTERFACES, mock_ssh_helper) with self.assertRaises(exceptions.IncorrectSetup): dpdk_node.check() def test_probe_netdevs(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' expected = {'key1': 500, 'key2': 'hello world'} update = {'key1': 1000, 'key3': []} dpdk_node = DpdkNode(NAME, self.INTERFACES, mock_ssh_helper) dpdk_helper = dpdk_node.dpdk_helper dpdk_helper.find_net_devices = mock.Mock(side_effect=[expected, update]) self.assertDictEqual(dpdk_node.netdevs, {}) dpdk_node._probe_netdevs() self.assertDictEqual(dpdk_node.netdevs, expected) expected = {'key1': 1000, 'key2': 'hello world', 'key3': []} dpdk_node._probe_netdevs() self.assertDictEqual(dpdk_node.netdevs, expected) def test_probe_netdevs_setup_negative(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' dpdk_node = DpdkNode(NAME, self.INTERFACES, mock_ssh_helper) dpdk_helper = dpdk_node.dpdk_helper dpdk_helper.find_net_devices = mock.Mock(side_effect=DpdkBindHelperException) with self.assertRaises(DpdkBindHelperException): dpdk_node._probe_netdevs() def test_force_rebind(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' dpdk_node = DpdkNode(NAME, self.INTERFACES, mock_ssh_helper) dpdk_helper = dpdk_node.dpdk_helper dpdk_helper.force_dpdk_rebind = mock_helper_func = mock.Mock() dpdk_node._force_rebind() mock_helper_func.assert_called_once() class TestDpdkBindHelper(unittest.TestCase): bin_path = "/opt/nsb_bin" EXAMPLE_OUTPUT = """ Network devices using DPDK-compatible driver ============================================ 0000:00:04.0 'Virtio network device' drv=igb_uio unused= 0000:00:05.0 'Virtio network device' drv=igb_uio unused= Network devices using kernel driver =================================== 0000:00:03.0 'Virtio network device' if=ens3 drv=virtio-pci unused=igb_uio *Active* Other network devices ===================== Crypto devices using DPDK-compatible driver =========================================== Crypto devices using kernel driver ================================== Other crypto devices ==================== """ PARSED_EXAMPLE = { NETWORK_DPDK: [ {'active': False, 'dev_type': 'Virtio network device', 'driver': 'igb_uio', 'iface': None, 'unused': '', 'vpci': '0000:00:04.0', }, {'active': False, 'dev_type': 'Virtio network device', 'driver': 'igb_uio', 'iface': None, 'unused': '', 'vpci': '0000:00:05.0', } ], NETWORK_KERNEL: [ {'active': True, 'dev_type': 'Virtio network device', 'driver': 'virtio-pci', 'iface': 'ens3', 'unused': 'igb_uio', 'vpci': '0000:00:03.0', } ], CRYPTO_KERNEL: [], CRYPTO_DPDK: [], NETWORK_OTHER: [], CRYPTO_OTHER: [], } CLEAN_STATUS = { NETWORK_KERNEL: [], NETWORK_DPDK: [], CRYPTO_KERNEL: [], CRYPTO_DPDK: [], NETWORK_OTHER: [], CRYPTO_OTHER: [], } ONE_INPUT_LINE = ("0000:00:03.0 'Virtio network device' if=ens3 " "drv=virtio-pci unused=igb_uio *Active*") ONE_INPUT_LINE_PARSED = [{ 'vpci': '0000:00:03.0', 'dev_type': 'Virtio network device', 'iface': 'ens3', 'driver': 'virtio-pci', 'unused': 'igb_uio', 'active': True, }] def test___init__(self): conn = mock.Mock() conn.provision_tool = mock.Mock(return_value='path_to_tool') conn.join_bin_path.return_value = os.path.join(self.bin_path, DpdkBindHelper.DPDK_DEVBIND) dpdk_bind_helper = DpdkBindHelper(conn) self.assertEqual(conn, dpdk_bind_helper.ssh_helper) self.assertEqual(self.CLEAN_STATUS, dpdk_bind_helper.dpdk_status) self.assertIsNone(dpdk_bind_helper.status_nic_row_re) self.assertEqual(dpdk_bind_helper.dpdk_devbind, os.path.join(self.bin_path, dpdk_bind_helper.DPDK_DEVBIND)) self.assertIsNone(dpdk_bind_helper._status_cmd_attr) def test__dpdk_execute(self): conn = mock.Mock() conn.execute = mock.Mock(return_value=(0, 'output', 'error')) conn.provision_tool = mock.Mock(return_value='tool_path') dpdk_bind_helper = DpdkBindHelper(conn) self.assertEqual((0, 'output', 'error'), dpdk_bind_helper._dpdk_execute('command')) def test__dpdk_execute_failure(self): conn = mock.Mock() conn.execute = mock.Mock(return_value=(1, 'output', 'error')) conn.provision_tool = mock.Mock(return_value='tool_path') dpdk_bind_helper = DpdkBindHelper(conn) with self.assertRaises(DpdkBindHelperException): dpdk_bind_helper._dpdk_execute('command') def test__addline(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper._add_line(NETWORK_KERNEL, self.ONE_INPUT_LINE) self.assertIsNotNone(dpdk_bind_helper.dpdk_status) self.assertEqual(self.ONE_INPUT_LINE_PARSED, dpdk_bind_helper.dpdk_status[NETWORK_KERNEL]) def test__switch_active_dict_by_header(self): line = "Crypto devices using DPDK-compatible driver" olddict = 'olddict' self.assertEqual(CRYPTO_DPDK, DpdkBindHelper._switch_active_dict(line, olddict)) def test__switch_active_dict_by_header_empty(self): line = "" olddict = 'olddict' self.assertEqual(olddict, DpdkBindHelper._switch_active_dict(line, olddict)) def test_parse_dpdk_status_output(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper._parse_dpdk_status_output(self.EXAMPLE_OUTPUT) self.maxDiff = None self.assertEqual(self.PARSED_EXAMPLE, dpdk_bind_helper.dpdk_status) def test_kernel_bound_pci_addresses(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' expected = ['a', 'b', 3] dpdk_helper = DpdkBindHelper(mock_ssh_helper) dpdk_helper.dpdk_status = { NETWORK_DPDK: [{'vpci': 4}, {'vpci': 5}, {'vpci': 'g'}], NETWORK_KERNEL: [{'vpci': 'a'}, {'vpci': 'b'}, {'vpci': 3}], CRYPTO_DPDK: [], } result = dpdk_helper.kernel_bound_pci_addresses self.assertEqual(result, expected) def test_find_net_devices_negative(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 1, 'error', 'debug' dpdk_helper = DpdkBindHelper(mock_ssh_helper) self.assertDictEqual(dpdk_helper.find_net_devices(), {}) def test_read_status(self): conn = mock.Mock() conn.execute = mock.Mock(return_value=(0, self.EXAMPLE_OUTPUT, '')) conn.provision_tool = mock.Mock(return_value='path_to_tool') dpdk_bind_helper = DpdkBindHelper(conn) self.assertEqual(self.PARSED_EXAMPLE, dpdk_bind_helper.read_status()) def test__get_bound_pci_addresses(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper._parse_dpdk_status_output(self.EXAMPLE_OUTPUT) self.assertEqual(['0000:00:04.0', '0000:00:05.0'], dpdk_bind_helper._get_bound_pci_addresses(NETWORK_DPDK)) self.assertEqual(['0000:00:03.0'], dpdk_bind_helper._get_bound_pci_addresses(NETWORK_KERNEL)) def test_interface_driver_map(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper._parse_dpdk_status_output(self.EXAMPLE_OUTPUT) self.assertEqual({'0000:00:04.0': 'igb_uio', '0000:00:03.0': 'virtio-pci', '0000:00:05.0': 'igb_uio', }, dpdk_bind_helper.interface_driver_map) def test_bind(self): conn = mock.Mock() conn.execute = mock.Mock(return_value=(0, '', '')) conn.join_bin_path.return_value = os.path.join(self.bin_path, DpdkBindHelper.DPDK_DEVBIND) dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper.read_status = mock.Mock() dpdk_bind_helper.bind(['0000:00:03.0', '0000:00:04.0'], 'my_driver') conn.execute.assert_called_with('sudo /opt/nsb_bin/dpdk-devbind.py --force ' '-b my_driver 0000:00:03.0 0000:00:04.0') dpdk_bind_helper.read_status.assert_called_once() def test_bind_single_pci(self): conn = mock.Mock() conn.execute = mock.Mock(return_value=(0, '', '')) conn.join_bin_path.return_value = os.path.join(self.bin_path, DpdkBindHelper.DPDK_DEVBIND) dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper.read_status = mock.Mock() dpdk_bind_helper.bind('0000:00:03.0', 'my_driver') conn.execute.assert_called_with('sudo /opt/nsb_bin/dpdk-devbind.py --force ' '-b my_driver 0000:00:03.0') dpdk_bind_helper.read_status.assert_called_once() def test_rebind_drivers(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper.bind = mock.Mock() dpdk_bind_helper.used_drivers = { 'd1': ['0000:05:00.0'], 'd3': ['0000:05:01.0', '0000:05:02.0'], } dpdk_bind_helper.rebind_drivers() dpdk_bind_helper.bind.assert_any_call(['0000:05:00.0'], 'd1', True) dpdk_bind_helper.bind.assert_any_call(['0000:05:01.0', '0000:05:02.0'], 'd3', True) def test_save_used_drivers(self): conn = mock.Mock() dpdk_bind_helper = DpdkBindHelper(conn) dpdk_bind_helper.dpdk_status = self.PARSED_EXAMPLE dpdk_bind_helper.save_used_drivers() expected = { 'igb_uio': ['0000:00:04.0', '0000:00:05.0'], 'virtio-pci': ['0000:00:03.0'], } self.assertDictEqual(expected, dpdk_bind_helper.used_drivers) def test_force_dpdk_rebind(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' dpdk_helper = DpdkBindHelper(mock_ssh_helper, 'driver2') dpdk_helper.dpdk_status = { NETWORK_DPDK: [ { 'vpci': 'pci1', }, { 'vpci': 'pci3', }, { 'vpci': 'pci6', }, { 'vpci': 'pci3', }, ] } dpdk_helper.real_kernel_interface_driver_map = { 'pci1': 'real_driver1', 'pci2': 'real_driver2', 'pci3': 'real_driver1', 'pci4': 'real_driver4', 'pci6': 'real_driver6', } dpdk_helper.load_dpdk_driver = mock.Mock() dpdk_helper.read_status = mock.Mock() dpdk_helper.save_real_kernel_interface_driver_map = mock.Mock() dpdk_helper.save_used_drivers = mock.Mock() dpdk_helper.bind = mock_bind = mock.Mock() dpdk_helper.force_dpdk_rebind() self.assertEqual(mock_bind.call_count, 2) def test_save_real_kernel_drivers(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.return_value = 0, '', '' dpdk_helper = DpdkBindHelper(mock_ssh_helper) dpdk_helper.real_kernel_drivers = { 'abc': '123', } dpdk_helper.real_kernel_interface_driver_map = { 'abc': 'AAA', 'def': 'DDD', 'abs': 'AAA', 'ghi': 'GGG', } # save_used_drivers must be called before save_real_kernel_drivers can be with self.assertRaises(AttributeError): dpdk_helper.save_real_kernel_drivers() dpdk_helper.save_used_drivers() expected_used_drivers = { 'AAA': ['abc', 'abs'], 'DDD': ['def'], 'GGG': ['ghi'], } dpdk_helper.save_real_kernel_drivers() self.assertDictEqual(dpdk_helper.used_drivers, expected_used_drivers) self.assertDictEqual(dpdk_helper.real_kernel_drivers, {}) def test_get_real_kernel_driver(self): mock_ssh_helper = mock.Mock() mock_ssh_helper.execute.side_effect = [ (0, 'non-matching text', ''), (0, 'pre Kernel modules: real_driver1', ''), (0, 'before Ethernet middle Virtio network device after', ''), ] dpdk_helper = DpdkBindHelper(mock_ssh_helper) self.assertIsNone(dpdk_helper.get_real_kernel_driver('abc')) self.assertEqual(dpdk_helper.get_real_kernel_driver('abc'), 'real_driver1') self.assertEqual(dpdk_helper.get_real_kernel_driver('abc'), DpdkBindHelper.VIRTIO_DRIVER)