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-rw-r--r--tests/unit/network_services/helpers/test_dpdkbindnic_helper.py402
1 files changed, 389 insertions, 13 deletions
diff --git a/tests/unit/network_services/helpers/test_dpdkbindnic_helper.py b/tests/unit/network_services/helpers/test_dpdkbindnic_helper.py
index e30aee854..cc980640c 100644
--- a/tests/unit/network_services/helpers/test_dpdkbindnic_helper.py
+++ b/tests/unit/network_services/helpers/test_dpdkbindnic_helper.py
@@ -16,6 +16,14 @@
import mock
import unittest
+
+import os
+
+from yardstick.error import IncorrectConfig, SSHError
+from yardstick.error import IncorrectNodeSetup
+from yardstick.error import IncorrectSetup
+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
@@ -26,7 +34,269 @@ 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 = IncorrectNodeSetup
+
+ interface = {'local_mac': '0a:de:ad:be:ef:f5'}
+ dpdk_intf = DpdkInterface(mock_dpdk_node, interface)
+
+ with self.assertRaises(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 IncorrectConfig
+
+ 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 = SSHError
+
+ dpdk_node = DpdkNode(NAME, self.INTERFACES, mock_ssh_helper)
+
+ with self.assertRaises(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()
+ self.assertEqual(mock_helper_func.call_count, 1)
+
+
class TestDpdkBindHelper(unittest.TestCase):
+ bin_path = "/opt/nsb_bin"
EXAMPLE_OUTPUT = """
Network devices using DPDK-compatible driver
@@ -111,13 +381,15 @@ Other crypto devices
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.assertIsNone(dpdk_bind_helper._dpdk_devbind)
+ 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):
@@ -125,8 +397,7 @@ Other crypto devices
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'))
+ self.assertEqual((0, 'output', 'error'), dpdk_bind_helper._dpdk_execute('command'))
def test__dpdk_execute_failure(self):
conn = mock.Mock()
@@ -141,7 +412,7 @@ Other crypto devices
dpdk_bind_helper = DpdkBindHelper(conn)
- dpdk_bind_helper._addline(NETWORK_KERNEL, self.ONE_INPUT_LINE)
+ 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])
@@ -161,11 +432,35 @@ Other crypto devices
dpdk_bind_helper = DpdkBindHelper(conn)
- dpdk_bind_helper.parse_dpdk_status_output(self.EXAMPLE_OUTPUT)
+ 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, ''))
@@ -180,7 +475,7 @@ Other crypto devices
dpdk_bind_helper = DpdkBindHelper(conn)
- dpdk_bind_helper.parse_dpdk_status_output(self.EXAMPLE_OUTPUT)
+ 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))
@@ -192,18 +487,18 @@ Other crypto devices
dpdk_bind_helper = DpdkBindHelper(conn)
- dpdk_bind_helper.parse_dpdk_status_output(self.EXAMPLE_OUTPUT)
+ 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)
+ '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.provision_tool = mock.Mock(return_value='/opt/nsb_bin/dpdk-devbind.py')
+ 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()
@@ -217,7 +512,7 @@ Other crypto devices
def test_bind_single_pci(self):
conn = mock.Mock()
conn.execute = mock.Mock(return_value=(0, '', ''))
- conn.provision_tool = mock.Mock(return_value='/opt/nsb_bin/dpdk-devbind.py')
+ 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()
@@ -257,3 +552,84 @@ Other crypto devices
}
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)