#!/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 unittest import copy import mock SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper' from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh from tests.unit import STL_MOCKS NAME = 'vnf_1' 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_trex import \ TrexTrafficGen, TrexResourceHelper from yardstick.network_services.traffic_profile.base import TrafficProfile class TestTrexTrafficGen(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', 'vld_id': 'downlink_0', 'ifname': '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', 'vld_id': 'uplink_0', 'ifname': '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 }, } SCENARIO_CFG = { "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, } } }, "task_id": "a70bdf4a-8e67-47a3-9dc1-273c14506eb7", "tc": "tc_ipv4_1Mflow_64B_packetsize", "runner": { "object": "NetworkServiceTestCase", "interval": 35, "output_filename": "/tmp/yardstick.out", "runner_id": 74476, "duration": 400, "type": "Duration" }, "traffic_profile": "ipv4_throughput_acl.yaml", "traffic_options": { "flow": "ipv4_Packets_acl.yaml", "imix": "imix_voice.yaml" }, "type": "ISB", "nodes": { "tg__2": "trafficgen_2.yardstick", "tg__1": "trafficgen_1.yardstick", "vnf__1": "vnf.yardstick" }, "topology": "udpreplay-tg-topology-baremetal.yaml" } CONTEXT_CFG = { "nodes": { "vnf__1": { "vnfd-id-ref": "vnf__1", "ip": "1.2.1.1", "interfaces": { "xe0": { "local_iface_name": "ens786f0", "vld_id": TrafficProfile.UPLINK, "netmask": "255.255.255.0", "vpci": "0000:05:00.0", "local_ip": "152.16.100.19", "driver": "i40e", "dst_ip": "152.16.100.20", "local_mac": "00:00:00:00:00:02", "dst_mac": "00:00:00:00:00:04", "dpdk_port_num": 0 }, "xe1": { "local_iface_name": "ens786f1", "vld_id": TrafficProfile.DOWNLINK, "netmask": "255.255.255.0", "vpci": "0000:05:00.1", "local_ip": "152.16.40.19", "driver": "i40e", "dst_ip": "152.16.40.20", "local_mac": "00:00:00:00:00:01", "dst_mac": "00:00:00:00:00:03", "dpdk_port_num": 1 } }, "host": "1.2.1.1", "user": "root", "nd_route_tbl": [ { "netmask": "112", "if": "xe0", "gateway": "0064:ff9b:0:0:0:0:9810:6414", "network": "0064:ff9b:0:0:0:0:9810:6414" }, { "netmask": "112", "if": "xe1", "gateway": "0064:ff9b:0:0:0:0:9810:2814", "network": "0064:ff9b:0:0:0:0:9810:2814" } ], "password": "r00t", "VNF model": "udp_replay.yaml", "name": "vnf.yardstick", "member-vnf-index": "2", "routing_table": [ { "netmask": "255.255.255.0", "if": "xe0", "gateway": "152.16.100.20", "network": "152.16.100.20" }, { "netmask": "255.255.255.0", "if": "xe1", "gateway": "152.16.40.20", "network": "152.16.40.20" } ], "role": "vnf" }, "trafficgen_2.yardstick": { "member-vnf-index": "3", "role": "TrafficGen", "name": "trafficgen_2.yardstick", "vnfd-id-ref": "tg__2", "ip": "1.2.1.1", "interfaces": { "xe0": { "local_iface_name": "ens513f0", "vld_id": TrafficProfile.DOWNLINK, "netmask": "255.255.255.0", "vpci": "0000:02:00.0", "local_ip": "152.16.40.20", "driver": "ixgbe", "dst_ip": "152.16.40.19", "local_mac": "00:00:00:00:00:03", "dst_mac": "00:00:00:00:00:01", "dpdk_port_num": 0 }, "xe1": { "local_iface_name": "ens513f1", "netmask": "255.255.255.0", "network": "202.16.100.0", "local_ip": "202.16.100.20", "driver": "ixgbe", "local_mac": "00:1e:67:d0:60:5d", "vpci": "0000:02:00.1", "dpdk_port_num": 1 } }, "password": "r00t", "VNF model": "l3fwd_vnf.yaml", "user": "root" }, "trafficgen_1.yardstick": { "member-vnf-index": "1", "role": "TrafficGen", "name": "trafficgen_1.yardstick", "vnfd-id-ref": "tg__1", "ip": "1.2.1.1", "interfaces": { "xe0": { "local_iface_name": "ens785f0", "vld_id": TrafficProfile.UPLINK, "netmask": "255.255.255.0", "vpci": "0000:05:00.0", "local_ip": "152.16.100.20", "driver": "i40e", "dst_ip": "152.16.100.19", "local_mac": "00:00:00:00:00:04", "dst_mac": "00:00:00:00:00:02", "dpdk_port_num": 0 }, "xe1": { "local_ip": "152.16.100.21", "driver": "i40e", "vpci": "0000:05:00.1", "dpdk_port_num": 1, "local_iface_name": "ens785f1", "netmask": "255.255.255.0", "local_mac": "00:00:00:00:00:01" } }, "password": "r00t", "VNF model": "tg_rfc2544_tpl.yaml", "user": "root" } } } @mock.patch(SSH_HELPER) def test___init__(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) self.assertIsInstance(trex_traffic_gen.resource_helper, TrexResourceHelper) @mock.patch(SSH_HELPER) def test_collect_kpi(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.resource_helper._queue.put({}) result = trex_traffic_gen.collect_kpi() self.assertEqual({}, result) @mock.patch(SSH_HELPER) def test_listen_traffic(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) self.assertIsNone(trex_traffic_gen.listen_traffic({})) @mock.patch(SSH_HELPER) def test_instantiate(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen._start_server = mock.Mock(return_value=0) trex_traffic_gen._tg_process = mock.MagicMock() trex_traffic_gen._tg_process.start = mock.Mock() trex_traffic_gen._tg_process.exitcode = 0 trex_traffic_gen._tg_process._is_alive = mock.Mock(return_value=1) trex_traffic_gen.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock() self.assertIsNone(trex_traffic_gen.instantiate(self.SCENARIO_CFG, self.CONTEXT_CFG)) @mock.patch(SSH_HELPER) def test_instantiate_error(self, ssh): mock_ssh(ssh, exec_result=(1, "", "")) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen._start_server = mock.Mock(return_value=0) trex_traffic_gen._tg_process = mock.MagicMock() trex_traffic_gen._tg_process.start = mock.Mock() trex_traffic_gen._tg_process._is_alive = mock.Mock(return_value=0) trex_traffic_gen.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock() self.assertIsNone(trex_traffic_gen.instantiate(self.SCENARIO_CFG, self.CONTEXT_CFG)) @mock.patch(SSH_HELPER) def test__start_server(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() trex_traffic_gen.scenario_helper.scenario_cfg = {} self.assertIsNone(trex_traffic_gen._start_server()) @mock.patch(SSH_HELPER) def test__start_server_multiple_queues(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() trex_traffic_gen.scenario_helper.scenario_cfg = {"options": {NAME: {"queues_per_port": 2}}} self.assertIsNone(trex_traffic_gen._start_server()) @mock.patch(SSH_HELPER) def test__traffic_runner(self, ssh): mock_ssh(ssh) mock_traffic_profile = mock.Mock(autospec=TrafficProfile) mock_traffic_profile.get_traffic_definition.return_value = "64" mock_traffic_profile.execute_traffic.return_value = "64" mock_traffic_profile.params = self.TRAFFIC_PROFILE vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] self.sut = TrexTrafficGen(NAME, vnfd) self.sut.ssh_helper = mock.Mock() self.sut.ssh_helper.run = mock.Mock() self.sut._connect_client = mock.Mock(autospec=STLClient) self.sut._connect_client.get_stats = mock.Mock(return_value="0") self.sut.resource_helper.RUN_DURATION = 0 self.sut.resource_helper.QUEUE_WAIT_TIME = 0 # must generate cfg before we can run traffic so Trex port mapping is created self.sut.resource_helper.generate_cfg() self.sut._traffic_runner(mock_traffic_profile) @mock.patch(SSH_HELPER) def test__generate_trex_cfg(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() self.assertIsNone(trex_traffic_gen.resource_helper.generate_cfg()) @mock.patch(SSH_HELPER) def test_build_ports_reversed_pci_ordering(self, ssh): mock_ssh(ssh) vnfd = copy.deepcopy(self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]) vnfd['vdu'][0]['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': 2, 'bandwidth': '10 Gbps', 'driver': "i40e", 'dst_ip': '152.16.100.20', 'local_iface_name': 'xe0', 'vld_id': 'downlink_0', 'ifname': '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': '0000:04:00.0', 'local_ip': '152.16.40.19', 'type': 'PCI-PASSTHROUGH', 'driver': "i40e", 'netmask': '255.255.255.0', 'dpdk_port_num': 0, 'bandwidth': '10 Gbps', 'dst_ip': '152.16.40.20', 'local_iface_name': 'xe1', 'vld_id': 'uplink_0', 'ifname': 'xe1', 'local_mac': '00:00:00:00:00:01'}, 'vnfd-connection-point-ref': 'xe1', 'name': 'xe1'}] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.generate_cfg() trex_traffic_gen.resource_helper._build_ports() self.assertEqual(sorted(trex_traffic_gen.resource_helper.all_ports), [0, 1]) # there is a gap in ordering self.assertEqual(dict(trex_traffic_gen.resource_helper.dpdk_to_trex_port_map), {0: 0, 2: 1}) @mock.patch(SSH_HELPER) def test_run_traffic(self, ssh): mock_ssh(ssh) mock_traffic_profile = mock.Mock(autospec=TrafficProfile) mock_traffic_profile.get_traffic_definition.return_value = "64" mock_traffic_profile.params = self.TRAFFIC_PROFILE vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] self.sut = TrexTrafficGen(NAME, vnfd) self.sut.ssh_helper = mock.Mock() self.sut.ssh_helper.run = mock.Mock() self.sut._traffic_runner = mock.Mock(return_value=0) self.sut.resource_helper.client_started.value = 1 result = self.sut.run_traffic(mock_traffic_profile) self.sut._traffic_process.terminate() self.assertIsNotNone(result) @mock.patch(SSH_HELPER) def test_scale(self, ssh): mock_ssh(ssh, exec_result=(1, "", "")) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.scale('') @mock.patch(SSH_HELPER) def test_terminate(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) trex_traffic_gen.ssh_helper = mock.MagicMock() trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock() self.assertIsNone(trex_traffic_gen.terminate()) @mock.patch(SSH_HELPER) def test__connect_client(self, ssh): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] trex_traffic_gen = TrexTrafficGen(NAME, vnfd) client = mock.Mock(autospec=STLClient) client.connect = mock.Mock(return_value=0) self.assertIsNotNone(trex_traffic_gen.resource_helper._connect(client)) if __name__ == '__main__': unittest.main()