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#!/usr/bin/env python
# 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
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
class TestDpdkBindHelper(unittest.TestCase):
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
=====================
<none>
Crypto devices using DPDK-compatible driver
===========================================
<none>
Crypto devices using kernel driver
==================================
<none>
Other crypto devices
====================
<none>
"""
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')
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_nic_bind_attr)
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._addline(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 = "<none>"
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_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.provision_tool = mock.Mock(return_value='/opt/nsb_bin/dpdk-devbind.py')
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.provision_tool = mock.Mock(return_value='/opt/nsb_bin/dpdk-devbind.py')
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)
|
