#!/usr/bin/env python ############################################################################## # Copyright (c) 2015 Ericsson AB and others. # # All rights reserved. This program and the accompanying materials # are made available under the terms of the Apache License, Version 2.0 # which accompanies this distribution, and is available at # http://www.apache.org/licenses/LICENSE-2.0 ############################################################################## # Unittest for yardstick.benchmark.scenarios.networking.pktgen.Pktgen from __future__ import absolute_import import unittest import mock from oslo_serialization import jsonutils from yardstick.benchmark.scenarios.networking import pktgen @mock.patch('yardstick.benchmark.scenarios.networking.pktgen.ssh') class PktgenTestCase(unittest.TestCase): def setUp(self): self.ctx = { 'host': { 'ip': '172.16.0.137', 'user': 'root', 'key_filename': 'mykey.key' }, 'target': { 'ip': '172.16.0.138', 'user': 'root', 'key_filename': 'mykey.key', 'ipaddr': '172.16.0.138' } } def test_pktgen_successful_setup(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.setup() mock_ssh.SSH.from_node().execute.return_value = (0, '', '') self.assertIsNotNone(p.server) self.assertIsNotNone(p.client) self.assertEqual(p.setup_done, True) def test_pktgen_successful_iptables_setup(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH.from_node().execute.return_value = (0, '', '') p._iptables_setup() mock_ssh.SSH.from_node().execute.assert_called_with( "sudo iptables -F; " "sudo iptables -A INPUT -p udp --dport 1000:%s -j DROP" % 1010) def test_pktgen_unsuccessful_iptables_setup(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p._iptables_setup) def test_pktgen_successful_iptables_get_result(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH.from_node().execute.return_value = (0, '150000', '') p._iptables_get_result() mock_ssh.SSH.from_node().execute.assert_called_with( "sudo iptables -L INPUT -vnx |" "awk '/dpts:1000:%s/ {{printf \"%%s\", $1}}'" % 1010) def test_pktgen_unsuccessful_iptables_get_result(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p._iptables_get_result) def test_pktgen_successful_no_sla(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "packetsize": 60, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') p.run(result) expected_result = jsonutils.loads(sample_output) expected_result["packets_received"] = 149300 expected_result["packetsize"] = 60 self.assertEqual(result, expected_result) def test_pktgen_successful_sla(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'sla': {'max_ppm': 10000} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "packetsize": 60, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') p.run(result) expected_result = jsonutils.loads(sample_output) expected_result["packets_received"] = 149300 expected_result["packetsize"] = 60 self.assertEqual(result, expected_result) def test_pktgen_unsuccessful_sla(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'sla': {'max_ppm': 1000} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "packetsize": 60, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') self.assertRaises(AssertionError, p.run, result) def test_pktgen_unsuccessful_script_error(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'sla': {'max_ppm': 1000} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p.run, result) def test_pktgen_get_vnic_driver_name(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, 'ixgbevf', '') vnic_driver_name = p._get_vnic_driver_name() self.assertEqual(vnic_driver_name, 'ixgbevf') def test_pktgen_unsuccessful_get_vnic_driver_name(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._get_vnic_driver_name) def test_pktgen_get_sriov_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '2', '') p.queue_number = p._get_sriov_queue_number() self.assertEqual(p.queue_number, 2) def test_pktgen_unsuccessful_get_sriov_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._get_sriov_queue_number) def test_pktgen_get_available_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '4', '') p._get_available_queue_number() mock_ssh.SSH.from_node().execute.assert_called_with( "sudo ethtool -l eth0 | grep Combined | head -1 |" \ "awk '{printf $2}'") def test_pktgen_unsuccessful_get_available_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._get_available_queue_number) def test_pktgen_get_usable_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '1', '') p._get_usable_queue_number() mock_ssh.SSH.from_node().execute.assert_called_with( "sudo ethtool -l eth0 | grep Combined | tail -1 |" \ "awk '{printf $2}'") def test_pktgen_unsuccessful_get_usable_queue_number(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._get_usable_queue_number) def test_pktgen_enable_ovs_multiqueue(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '4', '') mock_result1 = mock.Mock() mock_result1.return_value = 1 p._get_usable_queue_number = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = 4 p._get_available_queue_number = mock_result2 p.queue_number = p._enable_ovs_multiqueue() self.assertEqual(p.queue_number, 4) def test_pktgen_enable_ovs_multiqueue_1q(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '1', '') mock_result1 = mock.Mock() mock_result1.return_value = 1 p._get_usable_queue_number = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = 1 p._get_available_queue_number = mock_result2 p.queue_number = p._enable_ovs_multiqueue() self.assertEqual(p.queue_number, 1) def test_pktgen_unsuccessful_enable_ovs_multiqueue(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') mock_result1 = mock.Mock() mock_result1.return_value = 1 p._get_usable_queue_number = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = 4 p._get_available_queue_number = mock_result2 self.assertRaises(RuntimeError, p._enable_ovs_multiqueue) def test_pktgen_setup_irqmapping_ovs(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '10', '') p._setup_irqmapping_ovs(4) mock_ssh.SSH.from_node().execute.assert_called_with( "echo 8 | sudo tee /proc/irq/10/smp_affinity") def test_pktgen_setup_irqmapping_ovs_1q(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '10', '') p._setup_irqmapping_ovs(1) mock_ssh.SSH.from_node().execute.assert_called_with( "echo 1 | sudo tee /proc/irq/10/smp_affinity") def test_pktgen_unsuccessful_setup_irqmapping_ovs(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._setup_irqmapping_ovs, 4) def test_pktgen_unsuccessful_setup_irqmapping_ovs_1q(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._setup_irqmapping_ovs, 1) def test_pktgen_setup_irqmapping_sriov(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '10', '') p._setup_irqmapping_sriov(2) mock_ssh.SSH.from_node().execute.assert_called_with( "echo 2 | sudo tee /proc/irq/10/smp_affinity") def test_pktgen_setup_irqmapping_sriov_1q(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '10', '') p._setup_irqmapping_sriov(1) mock_ssh.SSH.from_node().execute.assert_called_with( "echo 1 | sudo tee /proc/irq/10/smp_affinity") def test_pktgen_unsuccessful_setup_irqmapping_sriov(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._setup_irqmapping_sriov, 2) def test_pktgen_unsuccessful_setup_irqmapping_sriov_1q(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._setup_irqmapping_sriov, 1) def test_pktgen_is_irqbalance_disabled(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '', '') p._is_irqbalance_disabled() mock_ssh.SSH.from_node().execute.assert_called_with( "grep ENABLED /etc/default/irqbalance") def test_pktgen_unsuccessful_is_irqbalance_disabled(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._is_irqbalance_disabled) def test_pktgen_disable_irqbalance(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '', '') p._disable_irqbalance() mock_ssh.SSH.from_node().execute.assert_called_with( "sudo service irqbalance disable") def test_pktgen_unsuccessful_disable_irqbalance(self, mock_ssh): args = { 'options': {'packetsize': 60}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (1, '', '') self.assertRaises(RuntimeError, p._disable_irqbalance) def test_pktgen_multiqueue_setup_ovs(self, mock_ssh): args = { 'options': {'packetsize': 60, 'multiqueue': True}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '4', '') mock_result1 = mock.Mock() mock_result1.return_value = False p._is_irqbalance_disabled = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = "virtio_net" p._get_vnic_driver_name = mock_result2 mock_result3 = mock.Mock() mock_result3.return_value = 1 p._get_usable_queue_number = mock_result3 mock_result4 = mock.Mock() mock_result4.return_value = 4 p._get_available_queue_number = mock_result4 p.multiqueue_setup() self.assertEqual(p.queue_number, 4) def test_pktgen_multiqueue_setup_ovs_1q(self, mock_ssh): args = { 'options': {'packetsize': 60, 'multiqueue': True}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '1', '') mock_result1 = mock.Mock() mock_result1.return_value = False p._is_irqbalance_disabled = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = "virtio_net" p._get_vnic_driver_name = mock_result2 mock_result3 = mock.Mock() mock_result3.return_value = 1 p._get_usable_queue_number = mock_result3 mock_result4 = mock.Mock() mock_result4.return_value = 1 p._get_available_queue_number = mock_result4 p.multiqueue_setup() self.assertEqual(p.queue_number, 1) def test_pktgen_multiqueue_setup_sriov(self, mock_ssh): args = { 'options': {'packetsize': 60, 'multiqueue': True}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '2', '') mock_result1 = mock.Mock() mock_result1.return_value = False p._is_irqbalance_disabled = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = "ixgbevf" p._get_vnic_driver_name = mock_result2 p.multiqueue_setup() self.assertEqual(p.queue_number, 2) def test_pktgen_multiqueue_setup_sriov_1q(self, mock_ssh): args = { 'options': {'packetsize': 60, 'multiqueue': True}, } p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_ssh.SSH.from_node().execute.return_value = (0, '1', '') mock_result1 = mock.Mock() mock_result1.return_value = False p._is_irqbalance_disabled = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = "ixgbevf" p._get_vnic_driver_name = mock_result2 p.multiqueue_setup() self.assertEqual(p.queue_number, 1) def test_pktgen_run_with_setup_done(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10, 'duration': 20, 'multiqueue': True}, 'sla': {'max_ppm': 1} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() p.setup_done = True p.multiqueue_setup_done = True mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149300, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') p.run(result) expected_result = jsonutils.loads(sample_output) expected_result["packets_received"] = 149300 expected_result["packetsize"] = 60 self.assertEqual(result, expected_result) def test_pktgen_run_with_ovs_multiqueque(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10, 'duration': 20, 'multiqueue': True}, 'sla': {'max_ppm': 1} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_result = mock.Mock() mock_result.return_value = "virtio_net" p._get_vnic_driver_name = mock_result mock_result1 = mock.Mock() mock_result1.return_value = 1 p._get_usable_queue_number = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = 4 p._get_available_queue_number = mock_result2 mock_result3 = mock.Mock() mock_result3.return_value = 4 p._enable_ovs_multiqueue = mock_result3 mock_result4 = mock.Mock() p._setup_irqmapping_ovs = mock_result4 mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149300, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') p.run(result) expected_result = jsonutils.loads(sample_output) expected_result["packets_received"] = 149300 expected_result["packetsize"] = 60 self.assertEqual(result, expected_result) def test_pktgen_run_with_sriov_multiqueque(self, mock_ssh): args = { 'options': {'packetsize': 60, 'number_of_ports': 10, 'duration': 20, 'multiqueue': True}, 'sla': {'max_ppm': 1} } result = {} p = pktgen.Pktgen(args, self.ctx) p.server = mock_ssh.SSH.from_node() p.client = mock_ssh.SSH.from_node() mock_result1 = mock.Mock() mock_result1.return_value = "ixgbevf" p._get_vnic_driver_name = mock_result1 mock_result2 = mock.Mock() mock_result2.return_value = 2 p._get_sriov_queue_number = mock_result2 mock_result3 = mock.Mock() p._setup_irqmapping_sriov = mock_result3 mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149300, "flows": 110}' mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '') p.run(result) expected_result = jsonutils.loads(sample_output) expected_result["packets_received"] = 149300 expected_result["packetsize"] = 60 self.assertEqual(result, expected_result) def main(): unittest.main() if __name__ == '__main__': main()