#!/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. # from __future__ import absolute_import import os import unittest import mock from tests.unit import STL_MOCKS STLClient = mock.MagicMock() stl_patch = mock.patch.dict("sys.modules", STL_MOCKS) stl_patch.start() if stl_patch: from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaTrafficGen from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaRfc2544Helper from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaResourceHelper from yardstick.network_services.traffic_profile.base import TrafficProfile TEST_FILE_YAML = 'nsb_test_case.yaml' NAME = "tg__1" @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.IxNextgen") class TestIxiaResourceHelper(unittest.TestCase): def test___init___with_custom_rfc_helper(self, mock_ix_nextgen): class MyRfcHelper(IxiaRfc2544Helper): pass ixia_resource_helper = IxiaResourceHelper(mock.Mock(), MyRfcHelper) self.assertIsInstance(ixia_resource_helper.rfc_helper, MyRfcHelper) def test_stop_collect_with_client(self, mock_ix_nextgen): mock_client = mock.Mock() ixia_resource_helper = IxiaResourceHelper(mock.Mock()) ixia_resource_helper.client = mock_client ixia_resource_helper.stop_collect() self.assertEqual(mock_client.ix_stop_traffic.call_count, 1) @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.IxNextgen") class TestIXIATrafficGen(unittest.TestCase): VNFD = {'vnfd:vnfd-catalog': {'vnfd': [{'short-name': 'VpeVnf', 'vdu': [{'routing_table': [{'network': '152.16.100.20', 'netmask': '255.255.255.0', 'gateway': '152.16.100.20', 'if': 'xe0'}, {'network': '152.16.40.20', 'netmask': '255.255.255.0', 'gateway': '152.16.40.20', 'if': 'xe1'}], 'description': 'VPE approximation using DPDK', 'name': 'vpevnf-baremetal', 'nd_route_tbl': [{'network': '0064:ff9b:0:0:0:0:9810:6414', 'netmask': '112', 'gateway': '0064:ff9b:0:0:0:0:9810:6414', 'if': 'xe0'}, {'network': '0064:ff9b:0:0:0:0:9810:2814', 'netmask': '112', 'gateway': '0064:ff9b:0:0:0:0:9810:2814', 'if': 'xe1'}], 'id': 'vpevnf-baremetal', 'external-interface': [{'virtual-interface': {'dst_mac': '00:00:00:00:00:04', 'vpci': '0000:05:00.0', 'local_ip': '152.16.100.19', 'type': 'PCI-PASSTHROUGH', 'netmask': '255.255.255.0', 'dpdk_port_num': 0, 'bandwidth': '10 Gbps', 'driver': "i40e", 'dst_ip': '152.16.100.20', 'local_iface_name': 'xe0', 'local_mac': '00:00:00:00:00:02'}, 'vnfd-connection-point-ref': 'xe0', 'name': 'xe0'}, {'virtual-interface': {'dst_mac': '00:00:00:00:00:03', 'vpci': '0000:05:00.1', 'local_ip': '152.16.40.19', 'type': 'PCI-PASSTHROUGH', 'driver': "i40e", 'netmask': '255.255.255.0', 'dpdk_port_num': 1, 'bandwidth': '10 Gbps', 'dst_ip': '152.16.40.20', 'local_iface_name': 'xe1', 'local_mac': '00:00:00:00:00:01'}, 'vnfd-connection-point-ref': 'xe1', 'name': 'xe1'}]}], 'description': 'Vpe approximation using DPDK', 'mgmt-interface': {'vdu-id': 'vpevnf-baremetal', 'host': '1.1.1.1', 'password': 'r00t', 'user': 'root', 'ip': '1.1.1.1'}, 'benchmark': {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']}, 'connection-point': [{'type': 'VPORT', 'name': 'xe0'}, {'type': 'VPORT', 'name': 'xe1'}], 'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}} TRAFFIC_PROFILE = { "schema": "isb:traffic_profile:0.1", "name": "fixed", "description": "Fixed traffic profile to run UDP traffic", "traffic_profile": { "traffic_type": "FixedTraffic", "frame_rate": 100, # pps "flow_number": 10, "frame_size": 64}} TC_YAML = {'scenarios': [{'tc_options': {'rfc2544': {'allowed_drop_rate': '0.8 - 1'}}, 'runner': {'duration': 400, 'interval': 35, 'type': 'Duration'}, 'traffic_options': {'flow': 'ipv4_1flow_Packets_vpe.yaml', 'imix': 'imix_voice.yaml'}, 'vnf_options': {'vpe': {'cfg': 'vpe_config'}}, 'traffic_profile': 'ipv4_throughput_vpe.yaml', 'type': 'NSPerf', 'nodes': {'tg__1': 'trafficgen_1.yardstick', 'vnf__1': 'vnf.yardstick'}, 'topology': 'vpe_vnf_topology.yaml'}], 'context': {'nfvi_type': 'baremetal', 'type': 'Node', 'name': 'yardstick', 'file': '/etc/yardstick/nodes/pod.yaml'}, 'schema': 'yardstick:task:0.1'} def test___init__(self, mock_ixnextgen): with mock.patch("yardstick.ssh.SSH") as ssh: ssh_mock = mock.Mock(autospec=ssh.SSH) ssh_mock.execute = \ mock.Mock(return_value=(0, "", "")) ssh.from_node.return_value = ssh_mock vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd) def test_listen_traffic(self, mock_ixnextgen): with mock.patch("yardstick.ssh.SSH") as ssh: ssh_mock = mock.Mock(autospec=ssh.SSH) ssh_mock.execute = \ mock.Mock(return_value=(0, "", "")) ssh.from_node.return_value = ssh_mock vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd) self.assertEqual(None, ixnet_traffic_gen.listen_traffic({})) def test_instantiate(self, mock_ixnextgen): with mock.patch("yardstick.ssh.SSH") as ssh: ssh_mock = mock.Mock(autospec=ssh.SSH) ssh_mock.execute = \ mock.Mock(return_value=(0, "", "")) ssh_mock.run = \ mock.Mock(return_value=(0, "", "")) ssh.from_node.return_value = ssh_mock vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd) scenario_cfg = {'tc': "nsb_test_case", "topology": "", 'ixia_profile': "ixload.cfg"} scenario_cfg.update({'options': {'packetsize': 64, 'traffic_type': 4, 'rfc2544': {'allowed_drop_rate': '0.8 - 1'}, 'vnf__1': {'rules': 'acl_1rule.yaml', 'vnf_config': {'lb_config': 'SW', 'lb_count': 1, 'worker_config': '1C/1T', 'worker_threads': 1}} }}) ixnet_traffic_gen.topology = "" ixnet_traffic_gen.get_ixobj = mock.MagicMock() ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock() ixnet_traffic_gen._ixia_traffic_gen._connect = mock.Mock() self.assertRaises( IOError, ixnet_traffic_gen.instantiate(scenario_cfg, {})) def test_collect_kpi(self, mock_ixnextgen): with mock.patch("yardstick.ssh.SSH") as ssh: ssh_mock = mock.Mock(autospec=ssh.SSH) ssh_mock.execute = \ mock.Mock(return_value=(0, "", "")) ssh.from_node.return_value = ssh_mock vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd) ixnet_traffic_gen.data = {} restult = ixnet_traffic_gen.collect_kpi() self.assertEqual({}, restult) def test_terminate(self, mock_ixnextgen): with mock.patch("yardstick.ssh.SSH") as ssh: vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] ssh_mock = mock.Mock(autospec=ssh.SSH) ssh_mock.execute = \ mock.Mock(return_value=(0, "", "")) ssh.from_node.return_value = ssh_mock ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd) ixnet_traffic_gen._terminated = mock.MagicMock() ixnet_traffic_gen._terminated.value = 0 ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock() ixnet_traffic_gen._ixia_traffic_gen.ix_stop_traffic = mock.Mock() ixnet_traffic_gen._traffic_process = mock.MagicMock() ixnet_traffic_gen._traffic_process.terminate = mock.Mock() self.assertEqual(None, ixnet_traffic_gen.terminate()) def _get_file_abspath(self, filename): curr_path = os.path.dirname(os.path.abspath(__file__)) file_path = os.path.join(curr_path, filename) return file_path def test_scale(self, mock_ix_nextgen): vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] sut = IxiaTrafficGen('vnf1', vnfd) sut.scale() def test__check_status(self, mock_ix_nextgen): vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] sut = IxiaTrafficGen('vnf1', vnfd) sut._check_status() @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.time") @mock.patch("yardstick.ssh.SSH") def test_traffic_runner(self, mock_ixnextgen, mock_ssh, mock_time): mock_traffic_profile = mock.Mock(autospec=TrafficProfile) mock_traffic_profile.get_traffic_definition.return_value = "64" mock_traffic_profile.params = self.TRAFFIC_PROFILE # traffic_profile.ports is standardized on port_num mock_traffic_profile.ports = [0, 1] mock_ssh_instance = mock.Mock(autospec=mock_ssh.SSH) mock_ssh_instance.execute.return_value = 0, "", "" mock_ssh_instance.run.return_value = 0, "", "" mock_ssh.from_node.return_value = mock_ssh_instance vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] vnfd["mgmt-interface"].update({ 'tg-config': { "ixchassis": "1.1.1.1", "py_bin_path": "/root", } }) samples = {} name = '' for ifname in range(1): name = "xe{}".format(ifname) samples[name] = { "Rx_Rate_Kbps": 20, "Tx_Rate_Kbps": 20, "Rx_Rate_Mbps": 10, "Tx_Rate_Mbps": 10, "RxThroughput": 10, "TxThroughput": 10, "Valid_Frames_Rx": 1000, "Frames_Tx": 1000, "in_packets": 1000, "out_packets": 1000, } samples.update({"CurrentDropPercentage": 0.0}) last_res = [ 0, { "Rx_Rate_Kbps": [20, 20], "Tx_Rate_Kbps": [20, 20], "Rx_Rate_Mbps": [10, 10], "Tx_Rate_Mbps": [10, 10], "CurrentDropPercentage": [0, 0], "RxThroughput": [10, 10], "TxThroughput": [10, 10], "Frames_Tx": [1000, 1000], "in_packets": [1000, 1000], "Valid_Frames_Rx": [1000, 1000], "out_packets": [1000, 1000], }, ] mock_traffic_profile.execute_traffic.return_value = ['Completed', samples] mock_traffic_profile.get_drop_percentage.return_value = ['Completed', samples] sut = IxiaTrafficGen(name, vnfd) sut.vnf_port_pairs = [[[0], [1]]] sut.tc_file_name = self._get_file_abspath(TEST_FILE_YAML) sut.topology = "" sut.ssh_helper = mock.Mock() sut._traffic_process = mock.MagicMock() sut.generate_port_pairs = mock.Mock() sut._ixia_traffic_gen = mock.MagicMock() sut._ixia_traffic_gen.ix_get_statistics.return_value = last_res sut.resource_helper.client = mock.MagicMock() sut.resource_helper.client_started = mock.MagicMock() sut.resource_helper.client_started.value = 1 sut.resource_helper.rfc_helper.iteration.value = 11 sut.scenario_helper.scenario_cfg = { 'options': { 'packetsize': 64, 'traffic_type': 4, 'rfc2544': { 'allowed_drop_rate': '0.8 - 1', 'latency': True }, 'vnf__1': { 'rules': 'acl_1rule.yaml', 'vnf_config': { 'lb_config': 'SW', 'lb_count': 1, 'worker_config': '1C/1T', 'worker_threads': 1, }, }, }, 'ixia_profile': '/path/to/profile', 'task_path': '/path/to/task' } @mock.patch('yardstick.benchmark.scenarios.networking.vnf_generic.open', create=True) @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.open', mock.mock_open(), create=True) @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.LOG.exception') def _traffic_runner(*args): result = sut._traffic_runner(mock_traffic_profile) self.assertIsNone(result) _traffic_runner()