# 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 copy import deepcopy import os import mock import unittest from yardstick.common import utils from yardstick.tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh from yardstick.network_services.vnf_generic.vnf.cgnapt_vnf import CgnaptApproxVnf, \ CgnaptApproxSetupEnvHelper from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf from yardstick.network_services.nfvi.resource import ResourceProfile TEST_FILE_YAML = 'nsb_test_case.yaml' SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper' name = 'vnf__0' class TestCgnaptApproxSetupEnvHelper(unittest.TestCase): def test__generate_ip_from_pool(self): ip = CgnaptApproxSetupEnvHelper._generate_ip_from_pool("1.2.3.4") self.assertEqual(next(ip), '1.2.3.4') self.assertEqual(next(ip), '1.2.4.4') self.assertEqual(next(ip), '1.2.5.4') def test__update_cgnat_script_file(self): sample = """\ # See the License for the specific language governing permissions and # limitations under the License. link 0 down link 0 config {port0_local_ip} {port0_prefixlen} link 0 up link 1 down link 1 config {port1_local_ip} {port1_prefixlen} link 1 up """ header = "This is a header" out = CgnaptApproxSetupEnvHelper._update_cgnat_script_file(header, sample.splitlines()) self.assertNotIn("This is a header", out) def test__get_cgnapt_config(self): vnfd_helper = mock.MagicMock() vnfd_helper.port_pairs.uplink_ports = [{"name": 'a'}, {"name": "b"}, {"name": "c"}] helper = CgnaptApproxSetupEnvHelper(vnfd_helper, mock.Mock(), mock.Mock()) result = helper._get_cgnapt_config() self.assertIsNotNone(result) def test_scale(self): helper = CgnaptApproxSetupEnvHelper(mock.Mock(), mock.Mock(), mock.Mock()) with self.assertRaises(NotImplementedError): helper.scale() @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.open') @mock.patch.object(utils, 'find_relative_file') @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.MultiPortConfig') @mock.patch.object(utils, 'open_relative_file') def test_build_config(self, *args): vnfd_helper = mock.Mock() ssh_helper = mock.Mock() scenario_helper = mock.Mock() scenario_helper.vnf_cfg = {'lb_config': 'HW'} scenario_helper.options = {} scenario_helper.all_options = {} cgnat_approx_setup_helper = CgnaptApproxSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) cgnat_approx_setup_helper.ssh_helper.provision_tool = mock.Mock(return_value='tool_path') cgnat_approx_setup_helper.ssh_helper.all_ports = mock.Mock() cgnat_approx_setup_helper.vnfd_helper.port_nums = mock.Mock(return_value=[0, 1]) expected = 'sudo tool_path -p 0x3 -f /tmp/cgnapt_config -s /tmp/cgnapt_script --hwlb 3' self.assertEqual(cgnat_approx_setup_helper.build_config(), expected) @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process") class TestCgnaptApproxVnf(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': '1.2.1.1', 'password': 'r00t', 'user': 'root', 'ip': '1.2.1.1'}, 'benchmark': {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']}, 'connection-point': [{'type': 'VPORT', 'name': 'xe0'}, {'type': 'VPORT', 'name': 'xe1'}], 'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}} SCENARIO_CFG = { 'options': { 'packetsize': 64, 'traffic_type': 4, 'rfc2544': { 'allowed_drop_rate': '0.8 - 1', }, 'vnf__0': { 'napt': 'dynamic', 'vnf_config': { 'lb_config': 'SW', 'lb_count': 1, 'worker_config': '1C/1T', 'worker_threads': 1, }, }, 'flow': {'count': 1, 'dst_ip': [{'tg__1': 'xe0'}], 'public_ip': [''], 'src_ip': [{'tg__0': 'xe0'}]}, }, 'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7', 'task_path': '/tmp', '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', 'type': 'NSPerf', 'nodes': { 'tg__1': 'trafficgen_1.yardstick', 'tg__0': 'trafficgen_0.yardstick', 'vnf__0': 'vnf.yardstick', }, 'topology': 'vpe-tg-topology-baremetal.yaml', } context_cfg = {'nodes': {'tg__2': {'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': CgnaptApproxVnf.DOWNLINK, 'netmask': '255.255.255.0', 'local_ip': '152.16.40.20', 'dst_mac': '00:00:00:00:00:01', 'local_mac': '00:00:00:00:00:03', 'dst_ip': '152.16.40.19', 'driver': 'ixgbe', 'vpci': '0000:02:00.0', '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', 'local_mac': '00:1e:67:d0:60:5d', 'driver': 'ixgbe', 'vpci': '0000:02:00.1', 'dpdk_port_num': 1}}, 'password': 'r00t', 'VNF model': 'l3fwd_vnf.yaml', 'user': 'root'}, 'tg__1': {'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': CgnaptApproxVnf.UPLINK, 'netmask': '255.255.255.0', 'local_ip': '152.16.100.20', 'dst_mac': '00:00:00:00:00:02', 'local_mac': '00:00:00:00:00:04', 'dst_ip': '152.16.100.19', 'driver': 'i40e', 'vpci': '0000:05:00.0', 'dpdk_port_num': 0}, 'xe1': {'local_iface_name': 'ens785f1', 'netmask': '255.255.255.0', 'local_ip': '152.16.100.21', 'local_mac': '00:00:00:00:00:01', 'driver': 'i40e', 'vpci': '0000:05:00.1', 'dpdk_port_num': 1}}, 'password': 'r00t', 'VNF model': 'tg_rfc2544_tpl.yaml', 'user': 'root'}, 'vnf__0': {'name': 'vnf.yardstick', 'vnfd-id-ref': 'vnf__0', 'ip': '1.2.1.1', 'interfaces': {'xe0': {'local_iface_name': 'ens786f0', 'vld_id': CgnaptApproxVnf.UPLINK, 'netmask': '255.255.255.0', 'local_ip': '152.16.100.19', 'dst_mac': '00:00:00:00:00:04', 'local_mac': '00:00:00:00:00:02', 'dst_ip': '152.16.100.20', 'driver': 'i40e', 'vpci': '0000:05:00.0', 'dpdk_port_num': 0}, 'xe1': {'local_iface_name': 'ens786f1', 'vld_id': CgnaptApproxVnf.DOWNLINK, 'netmask': '255.255.255.0', 'local_ip': '152.16.40.19', 'dst_mac': '00:00:00:00:00:03', 'local_mac': '00:00:00:00:00:01', 'dst_ip': '152.16.40.20', 'driver': 'i40e', 'vpci': '0000:05:00.1', 'dpdk_port_num': 1}}, 'routing_table': [{'netmask': '255.255.255.0', 'gateway': '152.16.100.20', 'network': '152.16.100.20', 'if': 'xe0'}, {'netmask': '255.255.255.0', 'gateway': '152.16.40.20', 'network': '152.16.40.20', 'if': 'xe1'}], 'member-vnf-index': '2', 'host': '1.2.1.1', 'role': 'vnf', 'user': 'root', 'nd_route_tbl': [{'netmask': '112', 'gateway': '0064:ff9b:0:0:0:0:9810:6414', 'network': '0064:ff9b:0:0:0:0:9810:6414', 'if': 'xe0'}, {'netmask': '112', 'gateway': '0064:ff9b:0:0:0:0:9810:2814', 'network': '0064:ff9b:0:0:0:0:9810:2814', 'if': 'xe1'}], 'password': 'r00t', 'VNF model': 'cgnapt_vnf.yaml'}}} def setUp(self): self.scenario_cfg = deepcopy(self.SCENARIO_CFG) def test___init__(self, *args): vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) self.assertIsNone(cgnapt_approx_vnf._vnf_process) @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time') @mock.patch(SSH_HELPER) def test_collect_kpi(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf._vnf_process = mock.MagicMock( **{"is_alive.return_value": True, "exitcode": None}) cgnapt_approx_vnf.q_in = mock.MagicMock() cgnapt_approx_vnf.q_out = mock.MagicMock() cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0) cgnapt_approx_vnf.resource = mock.Mock(autospec=ResourceProfile) result = {'packets_dropped': 0, 'packets_fwd': 0, 'packets_in': 0} self.assertEqual(result, cgnapt_approx_vnf.collect_kpi()) @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time') @mock.patch(SSH_HELPER) def test_vnf_execute_command(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf.q_in = mock.MagicMock() cgnapt_approx_vnf.q_out = mock.MagicMock() cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0) cmd = "quit" self.assertEqual("", cgnapt_approx_vnf.vnf_execute(cmd)) @mock.patch(SSH_HELPER) def test_get_stats(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf.q_in = mock.MagicMock() cgnapt_approx_vnf.q_out = mock.MagicMock() cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0) result = \ "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress" cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=result) self.assertListEqual(list(result), list(cgnapt_approx_vnf.get_stats())) 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 @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.hex") @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.eval") @mock.patch('yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.open') @mock.patch(SSH_HELPER) def test_run_vcgnapt(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf._build_config = mock.MagicMock() cgnapt_approx_vnf.queue_wrapper = mock.MagicMock() cgnapt_approx_vnf.ssh_helper = mock.MagicMock() cgnapt_approx_vnf.ssh_helper.run = mock.MagicMock() cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg cgnapt_approx_vnf._run() cgnapt_approx_vnf.ssh_helper.run.assert_called_once() @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context") @mock.patch(SSH_HELPER) def test_instantiate(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf.deploy_helper = mock.MagicMock() cgnapt_approx_vnf.resource_helper = mock.MagicMock() cgnapt_approx_vnf._build_config = mock.MagicMock() self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "", 'rules': ""}} cgnapt_approx_vnf.q_out.put("pipeline>") cgnapt_vnf.WAIT_TIME = 3 self.scenario_cfg.update({"nodes": {"vnf__0": ""}}) self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg, self.context_cfg)) @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") @mock.patch(SSH_HELPER) def test_terminate(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf._vnf_process = mock.MagicMock() cgnapt_approx_vnf._vnf_process.terminate = mock.Mock() cgnapt_approx_vnf.used_drivers = {"01:01.0": "i40e", "01:01.1": "i40e"} cgnapt_approx_vnf.vnf_execute = mock.MagicMock() cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py" cgnapt_approx_vnf._resource_collect_stop = mock.Mock() self.assertIsNone(cgnapt_approx_vnf.terminate()) @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") @mock.patch(SSH_HELPER) def test__vnf_up_post(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] self.scenario_cfg['options'][name]['napt'] = 'static' cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf._vnf_process = mock.MagicMock() cgnapt_approx_vnf._vnf_process.terminate = mock.Mock() cgnapt_approx_vnf.vnf_execute = mock.MagicMock() cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg cgnapt_approx_vnf._resource_collect_stop = mock.Mock() cgnapt_approx_vnf._vnf_up_post() @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") @mock.patch(SSH_HELPER) def test__vnf_up_post_short(self, ssh, *args): mock_ssh(ssh) vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf._vnf_process = mock.MagicMock() cgnapt_approx_vnf._vnf_process.terminate = mock.Mock() cgnapt_approx_vnf.vnf_execute = mock.MagicMock() cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg cgnapt_approx_vnf._resource_collect_stop = mock.Mock() cgnapt_approx_vnf._vnf_up_post()