From f0c20cd3a6282b801e5ccfd2c258a7ae5cad2b5c Mon Sep 17 00:00:00 2001 From: treyad Date: Wed, 28 Nov 2018 20:34:28 -0800 Subject: Add Pktgen traffic generator for vCMTS Add a class for Pktgen configuring and starting JIRA: YARDSTICK-1543 Change-Id: Icf9a4e656ff340158bf5605016f75ed393753f89 Signed-off-by: treyad --- .../vnf_generic/vnf/tg_vcmts_pktgen.py | 215 +++++++ .../vnf_generic/vnf/test_tg_vcmts_pktgen.py | 652 +++++++++++++++++++++ 2 files changed, 867 insertions(+) create mode 100755 yardstick/network_services/vnf_generic/vnf/tg_vcmts_pktgen.py create mode 100755 yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_vcmts_pktgen.py (limited to 'yardstick') diff --git a/yardstick/network_services/vnf_generic/vnf/tg_vcmts_pktgen.py b/yardstick/network_services/vnf_generic/vnf/tg_vcmts_pktgen.py new file mode 100755 index 000000000..c6df9d04c --- /dev/null +++ b/yardstick/network_services/vnf_generic/vnf/tg_vcmts_pktgen.py @@ -0,0 +1,215 @@ +# Copyright (c) 2019 Viosoft 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. + +import logging +import time +import socket +import yaml +import os + +from yardstick.network_services.vnf_generic.vnf import sample_vnf +from yardstick.common import exceptions + + +LOG = logging.getLogger(__name__) + + +class PktgenHelper(object): + + RETRY_SECONDS = 0.5 + RETRY_COUNT = 20 + CONNECT_TIMEOUT = 5 + + def __init__(self, host, port=23000): + self.host = host + self.port = port + self.connected = False + + def _connect(self): + self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + ret = True + try: + self._sock.settimeout(self.CONNECT_TIMEOUT) + self._sock.connect((self.host, self.port)) + except (socket.gaierror, socket.error, socket.timeout): + self._sock.close() + ret = False + + return ret + + def connect(self): + if self.connected: + return True + LOG.info("Connecting to pktgen instance at %s...", self.host) + for idx in range(self.RETRY_COUNT): + self.connected = self._connect() + if self.connected: + return True + LOG.debug("Connection attempt %d: Unable to connect to %s, " \ + "retrying in %d seconds", + idx, self.host, self.RETRY_SECONDS) + time.sleep(self.RETRY_SECONDS) + + LOG.error("Unable to connect to pktgen instance on %s !", + self.host) + return False + + + def send_command(self, command): + if not self.connected: + LOG.error("Pktgen socket is not connected") + return False + + try: + self._sock.sendall((command + "\n").encode()) + time.sleep(1) + except (socket.timeout, socket.error): + LOG.error("Error sending command '%s'", command) + return False + + return True + + +class VcmtsPktgenSetupEnvHelper(sample_vnf.SetupEnvHelper): + + BASE_PARAMETERS = "export LUA_PATH=/vcmts/Pktgen.lua;"\ + + "export CMK_PROC_FS=/host/proc;" + + PORTS_COUNT = 8 + + def generate_pcap_filename(self, port_cfg): + return port_cfg['traffic_type'] + "_" + port_cfg['num_subs'] \ + + "cms_" + port_cfg['num_ofdm'] + "ofdm.pcap" + + def find_port_cfg(self, ports_cfg, port_name): + for port_cfg in ports_cfg: + if port_name in port_cfg: + return port_cfg + return None + + def build_pktgen_parameters(self, pod_cfg): + ports_cfg = pod_cfg['ports'] + port_cfg = list() + + for i in range(self.PORTS_COUNT): + port_cfg.append(self.find_port_cfg(ports_cfg, 'port_' + str(i))) + + pktgen_parameters = self.BASE_PARAMETERS + " " \ + + " /pktgen-config/setup.sh " + pod_cfg['pktgen_id'] \ + + " " + pod_cfg['num_ports'] + + for i in range(self.PORTS_COUNT): + pktgen_parameters += " " + port_cfg[i]['net_pktgen'] + + for i in range(self.PORTS_COUNT): + pktgen_parameters += " " + self.generate_pcap_filename(port_cfg[i]) + + return pktgen_parameters + + def start_pktgen(self, pod_cfg): + self.ssh_helper.drop_connection() + cmd = self.build_pktgen_parameters(pod_cfg) + LOG.debug("Executing: '%s'", cmd) + self.ssh_helper.send_command(cmd) + LOG.info("Pktgen executed") + + def setup_vnf_environment(self): + pass + + +class VcmtsPktgen(sample_vnf.SampleVNFTrafficGen): + + TG_NAME = 'VcmtsPktgen' + APP_NAME = 'VcmtsPktgen' + RUN_WAIT = 4 + DEFAULT_RATE = 8.0 + + PKTGEN_BASE_PORT = 23000 + + def __init__(self, name, vnfd, setup_env_helper_type=None, + resource_helper_type=None): + if setup_env_helper_type is None: + setup_env_helper_type = VcmtsPktgenSetupEnvHelper + super(VcmtsPktgen, self).__init__( + name, vnfd, setup_env_helper_type, resource_helper_type) + + self.pktgen_address = vnfd['mgmt-interface']['ip'] + LOG.info("Pktgen container '%s', IP: %s", name, self.pktgen_address) + + def extract_pod_cfg(self, pktgen_pods_cfg, pktgen_id): + for pod_cfg in pktgen_pods_cfg: + if pod_cfg['pktgen_id'] == pktgen_id: + return pod_cfg + return None + + def instantiate(self, scenario_cfg, context_cfg): + super(VcmtsPktgen, self).instantiate(scenario_cfg, context_cfg) + self._start_server() + options = scenario_cfg.get('options', {}) + self.pktgen_rate = options.get('pktgen_rate', self.DEFAULT_RATE) + + try: + pktgen_values_filepath = options['pktgen_values'] + except KeyError: + raise KeyError("Missing pktgen_values key in scenario options" \ + "section of the task definition file") + + if not os.path.isfile(pktgen_values_filepath): + raise RuntimeError("The pktgen_values file path provided " \ + "does not exists") + + # The yaml_loader.py (SafeLoader) underlying regex has an issue + # with reading PCI addresses (processed as double). so the + # BaseLoader is used here. + with open(pktgen_values_filepath) as stream: + pktgen_values = yaml.load(stream, Loader=yaml.BaseLoader) + + if pktgen_values == None: + raise RuntimeError("Error reading pktgen_values file provided (" + + pktgen_values_filepath + ")") + + self.pktgen_id = int(options[self.name]['pktgen_id']) + self.resource_helper.pktgen_id = self.pktgen_id + + self.pktgen_helper = PktgenHelper(self.pktgen_address, + self.PKTGEN_BASE_PORT + self.pktgen_id) + + pktgen_pods_cfg = pktgen_values['topology']['pktgen_pods'] + + self.pod_cfg = self.extract_pod_cfg(pktgen_pods_cfg, + str(self.pktgen_id)) + + if self.pod_cfg == None: + raise KeyError("Pktgen with id " + str(self.pktgen_id) + \ + " was not found") + + self.setup_helper.start_pktgen(self.pod_cfg) + + def run_traffic(self, traffic_profile): + if not self.pktgen_helper.connect(): + raise exceptions.PktgenActionError(command="connect") + LOG.info("Connected to pktgen instance at %s", self.pktgen_address) + + commands = [] + for i in range(self.setup_helper.PORTS_COUNT): + commands.append('pktgen.set("' + str(i) + '", "rate", ' + + "%0.1f" % self.pktgen_rate + ');') + + commands.append('pktgen.start("all");') + + for command in commands: + if self.pktgen_helper.send_command(command): + LOG.debug("Command '%s' sent to pktgen", command) + LOG.info("Traffic started on %s...", self.name) + return True diff --git a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_vcmts_pktgen.py b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_vcmts_pktgen.py new file mode 100755 index 000000000..3b226d3f1 --- /dev/null +++ b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_vcmts_pktgen.py @@ -0,0 +1,652 @@ +# Copyright (c) 2019 Viosoft 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. + +import unittest +import mock +import socket +import threading +import time +import os +import copy + +from yardstick.benchmark.contexts import base as ctx_base +from yardstick.network_services.vnf_generic.vnf.base import VnfdHelper +from yardstick.network_services.vnf_generic.vnf import tg_vcmts_pktgen +from yardstick.common import exceptions + + +NAME = "tg__0" + + +class TestPktgenHelper(unittest.TestCase): + + def test___init__(self): + pktgen_helper = tg_vcmts_pktgen.PktgenHelper("localhost", 23000) + self.assertEqual(pktgen_helper.host, "localhost") + self.assertEqual(pktgen_helper.port, 23000) + self.assertFalse(pktgen_helper.connected) + + def _run_fake_server(self): + server_sock = socket.socket() + server_sock.bind(('localhost', 23000)) + server_sock.listen(0) + client_socket, _ = server_sock.accept() + client_socket.close() + server_sock.close() + + def test__connect(self): + pktgen_helper = tg_vcmts_pktgen.PktgenHelper("localhost", 23000) + self.assertFalse(pktgen_helper._connect()) + server_thread = threading.Thread(target=self._run_fake_server) + server_thread.start() + time.sleep(0.5) + self.assertTrue(pktgen_helper._connect()) + pktgen_helper._sock.close() + server_thread.join() + + @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_vcmts_pktgen.time') + def test_connect(self, *args): + pktgen_helper = tg_vcmts_pktgen.PktgenHelper("localhost", 23000) + pktgen_helper.connected = True + self.assertTrue(pktgen_helper.connect()) + pktgen_helper.connected = False + + pktgen_helper._connect = mock.MagicMock(return_value=True) + self.assertTrue(pktgen_helper.connect()) + self.assertTrue(pktgen_helper.connected) + + pktgen_helper = tg_vcmts_pktgen.PktgenHelper("localhost", 23000) + pktgen_helper._connect = mock.MagicMock(return_value=False) + self.assertFalse(pktgen_helper.connect()) + self.assertFalse(pktgen_helper.connected) + + def test_send_command(self): + pktgen_helper = tg_vcmts_pktgen.PktgenHelper("localhost", 23000) + self.assertFalse(pktgen_helper.send_command("")) + + pktgen_helper.connected = True + pktgen_helper._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + self.assertFalse(pktgen_helper.send_command("")) + + pktgen_helper._sock = mock.MagicMock() + self.assertTrue(pktgen_helper.send_command("")) + + +class TestVcmtsPktgenSetupEnvHelper(unittest.TestCase): + + PKTGEN_PARAMETERS = "export LUA_PATH=/vcmts/Pktgen.lua;"\ + "export CMK_PROC_FS=/host/proc;"\ + " /pktgen-config/setup.sh 0 4 18:02.0 "\ + "18:02.1 18:02.2 18:02.3 00:00.0 00:00.0 "\ + "00:00.0 00:00.0 imix1_100cms_1ofdm.pcap "\ + "imix1_100cms_1ofdm.pcap imix1_100cms_1ofdm.pcap "\ + "imix1_100cms_1ofdm.pcap imix1_100cms_1ofdm.pcap "\ + "imix1_100cms_1ofdm.pcap imix1_100cms_1ofdm.pcap "\ + "imix1_100cms_1ofdm.pcap" + + OPTIONS = { + "pktgen_values": "/tmp/pktgen_values.yaml", + "tg__0": { + "pktgen_id": 0 + }, + "vcmts_influxdb_ip": "10.80.5.150", + "vcmts_influxdb_port": 8086, + "vcmtsd_values": "/tmp/vcmtsd_values.yaml", + "vnf__0": { + "sg_id": 0, + "stream_dir": "us" + }, + "vnf__1": { + "sg_id": 0, + "stream_dir": "ds" + } + } + + def setUp(self): + vnfd_helper = VnfdHelper( + TestVcmtsPktgen.VNFD['vnfd:vnfd-catalog']['vnfd'][0]) + ssh_helper = mock.Mock() + scenario_helper = mock.Mock() + scenario_helper.options = self.OPTIONS + + self.setup_helper = tg_vcmts_pktgen.VcmtsPktgenSetupEnvHelper( + vnfd_helper, ssh_helper, scenario_helper) + + def test_generate_pcap_filename(self): + pcap_file_name = self.setup_helper.generate_pcap_filename(\ + TestVcmtsPktgen.PKTGEN_POD_VALUES[0]['ports'][0]) + self.assertEquals(pcap_file_name, "imix1_100cms_1ofdm.pcap") + + def test_find_port_cfg(self): + port_cfg = self.setup_helper.find_port_cfg(\ + TestVcmtsPktgen.PKTGEN_POD_VALUES[0]['ports'], "port_0") + self.assertIsNotNone(port_cfg) + + port_cfg = self.setup_helper.find_port_cfg(\ + TestVcmtsPktgen.PKTGEN_POD_VALUES[0]['ports'], "port_8") + self.assertIsNone(port_cfg) + + def test_build_pktgen_parameters(self): + parameters = self.setup_helper.build_pktgen_parameters( + TestVcmtsPktgen.PKTGEN_POD_VALUES[0]) + self.assertEquals(parameters, self.PKTGEN_PARAMETERS) + + def test_start_pktgen(self): + self.setup_helper.ssh_helper = mock.MagicMock() + self.setup_helper.start_pktgen(TestVcmtsPktgen.PKTGEN_POD_VALUES[0]) + self.setup_helper.ssh_helper.send_command.assert_called_with( + self.PKTGEN_PARAMETERS) + + def test_setup_vnf_environment(self): + self.assertIsNone(self.setup_helper.setup_vnf_environment()) + +class TestVcmtsPktgen(unittest.TestCase): + + VNFD = {'vnfd:vnfd-catalog': + {'vnfd': + [{ + "benchmark": { + "kpi": [ + "upstream/bits_per_second" + ] + }, + "connection-point": [ + { + "name": "xe0", + "type": "VPORT" + }, + { + "name": "xe1", + "type": "VPORT" + } + ], + "description": "vCMTS Pktgen Kubernetes", + "id": "VcmtsPktgen", + "mgmt-interface": { + "ip": "192.168.24.150", + "key_filename": "/tmp/yardstick_key-a3b663c2", + "user": "root", + "vdu-id": "vcmtspktgen-kubernetes" + }, + "name": "vcmtspktgen", + "short-name": "vcmtspktgen", + "vdu": [ + { + "description": "vCMTS Pktgen Kubernetes", + "external-interface": [], + "id": "vcmtspktgen-kubernetes", + "name": "vcmtspktgen-kubernetes" + } + ], + "vm-flavor": { + "memory-mb": "4096", + "vcpu-count": "4" + } + }] + }} + + PKTGEN_POD_VALUES = [ + { + "num_ports": "4", + "pktgen_id": "0", + "ports": [ + { + "net_pktgen": "18:02.0", + "num_ofdm": "1", + "num_subs": "100", + "port_0": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:02.1", + "num_ofdm": "1", + "num_subs": "100", + "port_1": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:02.2", + "num_ofdm": "1", + "num_subs": "100", + "port_2": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:02.3", + "num_ofdm": "1", + "num_subs": "100", + "port_3": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_4": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_5": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_6": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_7": "", + "traffic_type": "imix1" + } + ] + }, + { + "num_ports": 4, + "pktgen_id": 1, + "ports": [ + { + "net_pktgen": "18:0a.0", + "num_ofdm": "1", + "num_subs": "100", + "port_0": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:0a.1", + "num_ofdm": "1", + "num_subs": "100", + "port_1": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:0a.2", + "num_ofdm": "1", + "num_subs": "100", + "port_2": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "18:0a.3", + "num_ofdm": "1", + "num_subs": "100", + "port_3": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_4": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_5": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_6": "", + "traffic_type": "imix1" + }, + { + "net_pktgen": "00:00.0", + "num_ofdm": "1", + "num_subs": "100", + "port_7": "", + "traffic_type": "imix1" + } + ] + } + ] + + SCENARIO_CFG = { + "nodes": { + "tg__0": "pktgen0-k8syardstick-a3b663c2", + "vnf__0": "vnf0us-k8syardstick-a3b663c2", + "vnf__1": "vnf0ds-k8syardstick-a3b663c2" + }, + "options": { + "pktgen_values": "/tmp/pktgen_values.yaml", + "tg__0": { + "pktgen_id": 0 + }, + "vcmts_influxdb_ip": "10.80.5.150", + "vcmts_influxdb_port": 8086, + "vcmtsd_values": "/tmp/vcmtsd_values.yaml", + "vnf__0": { + "sg_id": 0, + "stream_dir": "us" + }, + "vnf__1": { + "sg_id": 0, + "stream_dir": "ds" + } + }, + "task_id": "a3b663c2-e616-4777-b6d0-ec2ea7a06f42", + "task_path": "samples/vnf_samples/nsut/cmts", + "tc": "tc_vcmts_k8s_pktgen", + "topology": "k8s_vcmts_topology.yaml", + "traffic_profile": "../../traffic_profiles/fixed.yaml", + "type": "NSPerf" + } + + CONTEXT_CFG = { + "networks": { + "flannel": { + "name": "flannel" + }, + "xe0": { + "name": "xe0" + }, + "xe1": { + "name": "xe1" + } + }, + "nodes": { + "tg__0": { + "VNF model": "../../vnf_descriptors/tg_vcmts_tpl.yaml", + "interfaces": { + "flannel": { + "local_ip": "192.168.24.150", + "local_mac": None, + "network_name": "flannel" + }, + "xe0": { + "local_ip": "192.168.24.150", + "local_mac": None, + "network_name": "xe0" + }, + "xe1": { + "local_ip": "192.168.24.150", + "local_mac": None, + "network_name": "xe1" + } + }, + "ip": "192.168.24.150", + "key_filename": "/tmp/yardstick_key-a3b663c2", + "member-vnf-index": "1", + "name": "pktgen0-k8syardstick-a3b663c2", + "private_ip": "192.168.24.150", + "service_ports": [ + { + "name": "ssh", + "node_port": 60270, + "port": 22, + "protocol": "TCP", + "target_port": 22 + }, + { + "name": "lua", + "node_port": 43619, + "port": 22022, + "protocol": "TCP", + "target_port": 22022 + } + ], + "ssh_port": 60270, + "user": "root", + "vnfd-id-ref": "tg__0" + }, + "vnf__0": { + "VNF model": "../../vnf_descriptors/vnf_vcmts_tpl.yaml", + "interfaces": { + "flannel": { + "local_ip": "192.168.100.132", + "local_mac": None, + "network_name": "flannel" + }, + "xe0": { + "local_ip": "192.168.100.132", + "local_mac": None, + "network_name": "xe0" + }, + "xe1": { + "local_ip": "192.168.100.132", + "local_mac": None, + "network_name": "xe1" + } + }, + "ip": "192.168.100.132", + "key_filename": "/tmp/yardstick_key-a3b663c2", + "member-vnf-index": "3", + "name": "vnf0us-k8syardstick-a3b663c2", + "private_ip": "192.168.100.132", + "service_ports": [ + { + "name": "ssh", + "node_port": 57057, + "port": 22, + "protocol": "TCP", + "target_port": 22 + }, + { + "name": "lua", + "node_port": 29700, + "port": 22022, + "protocol": "TCP", + "target_port": 22022 + } + ], + "ssh_port": 57057, + "user": "root", + "vnfd-id-ref": "vnf__0" + }, + "vnf__1": { + "VNF model": "../../vnf_descriptors/vnf_vcmts_tpl.yaml", + "interfaces": { + "flannel": { + "local_ip": "192.168.100.134", + "local_mac": None, + "network_name": "flannel" + }, + "xe0": { + "local_ip": "192.168.100.134", + "local_mac": None, + "network_name": "xe0" + }, + "xe1": { + "local_ip": "192.168.100.134", + "local_mac": None, + "network_name": "xe1" + } + }, + "ip": "192.168.100.134", + "key_filename": "/tmp/yardstick_key-a3b663c2", + "member-vnf-index": "4", + "name": "vnf0ds-k8syardstick-a3b663c2", + "private_ip": "192.168.100.134", + "service_ports": [ + { + "name": "ssh", + "node_port": 18581, + "port": 22, + "protocol": "TCP", + "target_port": 22 + }, + { + "name": "lua", + "node_port": 18469, + "port": 22022, + "protocol": "TCP", + "target_port": 22022 + } + ], + "ssh_port": 18581, + "user": "root", + "vnfd-id-ref": "vnf__1" + } + } + } + + PKTGEN_VALUES_PATH = "/tmp/pktgen_values.yaml" + + PKTGEN_VALUES = \ + "serviceAccount: cmk-serviceaccount\n" \ + "images:\n" \ + " vcmts_pktgen: vcmts-pktgen:v18.10\n" \ + "topology:\n" \ + " pktgen_replicas: 8\n" \ + " pktgen_pods:\n" \ + " - pktgen_id: 0\n" \ + " num_ports: 4\n" \ + " ports:\n" \ + " - port_0:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.0\n" \ + " - port_1:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.1\n" \ + " - port_2:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.2\n" \ + " - port_3:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.3\n" \ + " - port_4:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.4\n" \ + " - port_5:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.5\n" \ + " - port_6:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.6\n" \ + " - port_7:\n" \ + " traffic_type: 'imix2'\n" \ + " num_ofdm: 4\n" \ + " num_subs: 300\n" \ + " net_pktgen: 8a:02.7\n" + + def setUp(self): + vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] + self.vcmts_pktgen = tg_vcmts_pktgen.VcmtsPktgen(NAME, vnfd) + self.vcmts_pktgen._start_server = mock.Mock(return_value=0) + self.vcmts_pktgen.resource_helper = mock.MagicMock() + self.vcmts_pktgen.setup_helper = mock.MagicMock() + + def test___init__(self): + self.assertFalse(self.vcmts_pktgen.traffic_finished) + self.assertIsNotNone(self.vcmts_pktgen.setup_helper) + self.assertIsNotNone(self.vcmts_pktgen.resource_helper) + + def test_extract_pod_cfg(self): + pod_cfg = self.vcmts_pktgen.extract_pod_cfg(self.PKTGEN_POD_VALUES, "0") + self.assertIsNotNone(pod_cfg) + self.assertEqual(pod_cfg["pktgen_id"], "0") + pod_cfg = self.vcmts_pktgen.extract_pod_cfg(self.PKTGEN_POD_VALUES, "4") + self.assertIsNone(pod_cfg) + + @mock.patch.object(ctx_base.Context, 'get_context_from_server', + return_value='fake_context') + def test_instantiate_missing_pktgen_values_key(self, *args): + err_scenario_cfg = copy.deepcopy(self.SCENARIO_CFG) + err_scenario_cfg['options'].pop('pktgen_values', None) + with self.assertRaises(KeyError): + self.vcmts_pktgen.instantiate(err_scenario_cfg, self.CONTEXT_CFG) + + @mock.patch.object(ctx_base.Context, 'get_context_from_server', + return_value='fake_context') + def test_instantiate_missing_pktgen_values_file(self, *args): + if os.path.isfile(self.PKTGEN_VALUES_PATH): + os.remove(self.PKTGEN_VALUES_PATH) + err_scenario_cfg = copy.deepcopy(self.SCENARIO_CFG) + err_scenario_cfg['options']['pktgen_values'] = self.PKTGEN_VALUES_PATH + with self.assertRaises(RuntimeError): + self.vcmts_pktgen.instantiate(err_scenario_cfg, self.CONTEXT_CFG) + + @mock.patch.object(ctx_base.Context, 'get_context_from_server', + return_value='fake_context') + def test_instantiate_empty_pktgen_values_file(self, *args): + yaml_sample = open(self.PKTGEN_VALUES_PATH, 'w') + yaml_sample.write("") + yaml_sample.close() + + err_scenario_cfg = copy.deepcopy(self.SCENARIO_CFG) + err_scenario_cfg['options']['pktgen_values'] = self.PKTGEN_VALUES_PATH + with self.assertRaises(RuntimeError): + self.vcmts_pktgen.instantiate(err_scenario_cfg, self.CONTEXT_CFG) + + if os.path.isfile(self.PKTGEN_VALUES_PATH): + os.remove(self.PKTGEN_VALUES_PATH) + + @mock.patch.object(ctx_base.Context, 'get_context_from_server', + return_value='fake_context') + def test_instantiate_invalid_pktgen_id(self, *args): + yaml_sample = open(self.PKTGEN_VALUES_PATH, 'w') + yaml_sample.write(self.PKTGEN_VALUES) + yaml_sample.close() + + err_scenario_cfg = copy.deepcopy(self.SCENARIO_CFG) + err_scenario_cfg['options'][NAME]['pktgen_id'] = 12 + with self.assertRaises(KeyError): + self.vcmts_pktgen.instantiate(err_scenario_cfg, self.CONTEXT_CFG) + + if os.path.isfile(self.PKTGEN_VALUES_PATH): + os.remove(self.PKTGEN_VALUES_PATH) + + @mock.patch.object(ctx_base.Context, 'get_context_from_server', + return_value='fake_context') + def test_instantiate_all_valid(self, *args): + yaml_sample = open(self.PKTGEN_VALUES_PATH, 'w') + yaml_sample.write(self.PKTGEN_VALUES) + yaml_sample.close() + + self.vcmts_pktgen.instantiate(self.SCENARIO_CFG, self.CONTEXT_CFG) + self.assertIsNotNone(self.vcmts_pktgen.pod_cfg) + self.assertEqual(self.vcmts_pktgen.pod_cfg["pktgen_id"], "0") + + if os.path.isfile(self.PKTGEN_VALUES_PATH): + os.remove(self.PKTGEN_VALUES_PATH) + + def test_run_traffic_failed_connect(self): + self.vcmts_pktgen.pktgen_helper = mock.MagicMock() + self.vcmts_pktgen.pktgen_helper.connect.return_value = False + with self.assertRaises(exceptions.PktgenActionError): + self.vcmts_pktgen.run_traffic({}) + + def test_run_traffic_successful_connect(self): + self.vcmts_pktgen.pktgen_helper = mock.MagicMock() + self.vcmts_pktgen.pktgen_helper.connect.return_value = True + self.vcmts_pktgen.pktgen_rate = 8.0 + self.assertTrue(self.vcmts_pktgen.run_traffic({})) + self.vcmts_pktgen.pktgen_helper.connect.assert_called_once() + self.vcmts_pktgen.pktgen_helper.send_command.assert_called_with( + 'pktgen.start("all");') -- cgit 1.2.3-korg