#!/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 STL_MOCKS = { 'stl': mock.MagicMock(), 'stl.trex_stl_lib': mock.MagicMock(), 'stl.trex_stl_lib.base64': mock.MagicMock(), 'stl.trex_stl_lib.binascii': mock.MagicMock(), 'stl.trex_stl_lib.collections': mock.MagicMock(), 'stl.trex_stl_lib.copy': mock.MagicMock(), 'stl.trex_stl_lib.datetime': mock.MagicMock(), 'stl.trex_stl_lib.functools': mock.MagicMock(), 'stl.trex_stl_lib.imp': mock.MagicMock(), 'stl.trex_stl_lib.inspect': mock.MagicMock(), 'stl.trex_stl_lib.json': mock.MagicMock(), 'stl.trex_stl_lib.linecache': mock.MagicMock(), 'stl.trex_stl_lib.math': mock.MagicMock(), 'stl.trex_stl_lib.os': mock.MagicMock(), 'stl.trex_stl_lib.platform': mock.MagicMock(), 'stl.trex_stl_lib.pprint': mock.MagicMock(), 'stl.trex_stl_lib.random': mock.MagicMock(), 'stl.trex_stl_lib.re': mock.MagicMock(), 'stl.trex_stl_lib.scapy': mock.MagicMock(), 'stl.trex_stl_lib.socket': mock.MagicMock(), 'stl.trex_stl_lib.string': mock.MagicMock(), 'stl.trex_stl_lib.struct': mock.MagicMock(), 'stl.trex_stl_lib.sys': mock.MagicMock(), 'stl.trex_stl_lib.threading': mock.MagicMock(), 'stl.trex_stl_lib.time': mock.MagicMock(), 'stl.trex_stl_lib.traceback': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(), 'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(), 'stl.trex_stl_lib.types': mock.MagicMock(), 'stl.trex_stl_lib.utils': mock.MagicMock(), 'stl.trex_stl_lib.utils.argparse': mock.MagicMock(), 'stl.trex_stl_lib.utils.collections': mock.MagicMock(), 'stl.trex_stl_lib.utils.common': mock.MagicMock(), 'stl.trex_stl_lib.utils.json': mock.MagicMock(), 'stl.trex_stl_lib.utils.os': mock.MagicMock(), 'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(), 'stl.trex_stl_lib.utils.pwd': mock.MagicMock(), 'stl.trex_stl_lib.utils.random': mock.MagicMock(), 'stl.trex_stl_lib.utils.re': mock.MagicMock(), 'stl.trex_stl_lib.utils.string': mock.MagicMock(), 'stl.trex_stl_lib.utils.sys': mock.MagicMock(), 'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(), 'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(), 'stl.trex_stl_lib.utils.texttable': mock.MagicMock(), 'stl.trex_stl_lib.warnings': mock.MagicMock(), 'stl.trex_stl_lib.yaml': mock.MagicMock(), 'stl.trex_stl_lib.zlib': mock.MagicMock(), 'stl.trex_stl_lib.zmq': mock.MagicMock(), } 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.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' name = 'vnf__1' 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_confgi(self): c = CgnaptApproxSetupEnvHelper(mock.MagicMock(), mock.MagicMock(), mock.MagicMock()) c._get_ports_gateway = mock.Mock(return_value=3) ret = c._get_cgnapt_config([{"name": 'a'}, {}, {"name": "b"}, {}, {"name": "c"}]) self.assertEqual(ret, [3, 3, 3]) @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__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', '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', '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': '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': 'public', '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': 'private', '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__1': {'name': 'vnf.yardstick', 'vnfd-id-ref': 'vnf__1', 'ip': '1.2.1.1', 'interfaces': {'xe0': {'local_iface_name': 'ens786f0', 'vld_id': 'private', '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': 'public', '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 test___init__(self, mock_process): 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") def test_collect_kpi(self, mock_time, mock_process): 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] 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) 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") def test_vnf_execute_command(self, mock_time, mock_process): 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] 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)) def test_get_stats(self, mock_process): 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] 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) mock_result = \ "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress" cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=mock_result) self.assertListEqual(list(mock_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') def test_run_vcgnapt(self, hex, eval, mock_open, mock_process): 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] 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") def test_instantiate(self, mock_context, mock_process): 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] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) cgnapt_approx_vnf.ssh_helper = ssh 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__1": ""}}) self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg, self.context_cfg)) def test_scale(self, mock_process): vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd) flavor = "" self.assertRaises(NotImplementedError, cgnapt_approx_vnf.scale, flavor) @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") def test_terminate(self, mock_time, mock_process): 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] 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.ssh_helper = ssh_mock cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py" cgnapt_approx_vnf._resource_collect_stop = mock.Mock() self.assertEqual(None, cgnapt_approx_vnf.terminate()) @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.time") def test__vnf_up_post(self, mock_time, mock_cgnapt_time, mock_process): 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] 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.ssh_helper = ssh_mock cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg cgnapt_approx_vnf._resource_collect_stop = mock.Mock() cgnapt_approx_vnf._vnf_up_post() cgnapt_approx_vnf.vnf_execute.assert_called_once() if __name__ == '__main__': unittest.main()