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#!/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 mock
from tests.unit import STL_MOCKS
SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
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_trex import TrexTrafficGenRFC, \
TrexRfcResourceHelper
from yardstick.network_services.vnf_generic.vnf import tg_rfc2544_trex
from yardstick.network_services.traffic_profile.base import TrafficProfile
from tests.unit.network_services.vnf_generic.vnf.test_base import FileAbsPath, mock_ssh
MODULE_PATH = FileAbsPath(__file__)
get_file_abspath = MODULE_PATH.get_path
class TestTrexRfcResouceHelper(unittest.TestCase):
@mock.patch('yardstick.network_services.helpers.samplevnf_helper.MultiPortConfig')
@mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_trex.time")
@mock.patch(SSH_HELPER)
def test__run_traffic_once(self, ssh, *_):
mock_ssh(ssh)
mock_traffic_profile = mock.MagicMock(autospec=TrafficProfile,
**{'get_drop_percentage.return_value': {}})
sut = TrexRfcResourceHelper(mock.MagicMock(), mock.MagicMock())
sut.client = mock.MagicMock()
sut._run_traffic_once(mock_traffic_profile)
class TestTrexTrafficGenRFC(unittest.TestCase):
VNFD_0 = {
'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': {
'ifname': 'xe0',
'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',
'vld_id': 'uplink_0',
'dpdk_port_num': 0,
'bandwidth': '10 Gbps',
'driver': "i40e",
'dst_ip': '152.16.100.20',
'local_iface_name': 'xe0',
'local_mac': '00:00:00:00:00:01',
},
'vnfd-connection-point-ref': 'xe0',
'name': 'xe0',
},
{
'virtual-interface': {
'ifname': 'xe1',
'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',
'vld_id': 'downlink_0',
'dpdk_port_num': 1,
'bandwidth': '10 Gbps',
'dst_ip': '152.16.40.20',
'local_iface_name': 'xe1',
'local_mac': '00:00:00:00:00:02'
},
'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',
}
VNFD = {
'vnfd:vnfd-catalog': {
'vnfd': [
VNFD_0,
],
},
}
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',
}
@mock.patch(SSH_HELPER)
def test___init__(self, ssh):
mock_ssh(ssh)
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
self.assertIsNotNone(trex_traffic_gen.resource_helper._terminated.value)
@mock.patch(SSH_HELPER)
def test_collect_kpi(self, ssh):
mock_ssh(ssh)
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
self.assertEqual(trex_traffic_gen.collect_kpi(), {})
@mock.patch(SSH_HELPER)
def test_listen_traffic(self, ssh):
mock_ssh(ssh)
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
self.assertIsNone(trex_traffic_gen.listen_traffic({}))
@mock.patch(SSH_HELPER)
def test_instantiate(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
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen._start_server = mock.Mock(return_value=0)
trex_traffic_gen.resource_helper = mock.MagicMock()
trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock()
scenario_cfg = {
"tc": "tc_baremetal_rfc2544_ipv4_1flow_64B",
"topology": 'nsb_test_case.yaml',
'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
},
},
},
}
tg_rfc2544_trex.WAIT_TIME = 3
scenario_cfg.update({"nodes": ["tg_1", "vnf_1"]})
self.assertIsNone(trex_traffic_gen.instantiate(scenario_cfg, {}))
@mock.patch(SSH_HELPER)
def test_instantiate_error(self, ssh):
mock_ssh(ssh, exec_result=(1, "", ""))
mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
mock_traffic_profile.get_traffic_definition.return_value = "64"
mock_traffic_profile.params = self.TRAFFIC_PROFILE
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen.resource_helper = mock.MagicMock()
trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock()
scenario_cfg = {
"tc": "tc_baremetal_rfc2544_ipv4_1flow_64B",
"nodes": [
"tg_1",
"vnf_1",
],
"topology": 'nsb_test_case.yaml',
'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,
},
},
},
}
trex_traffic_gen.instantiate(scenario_cfg, {})
@mock.patch(SSH_HELPER)
def test__start_server(self, ssh):
mock_ssh(ssh)
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen.resource_helper = mock.MagicMock()
self.assertIsNone(trex_traffic_gen._start_server())
@mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_trex.time")
@mock.patch(SSH_HELPER)
def test__generate_trex_cfg(self, ssh, _):
mock_ssh(ssh)
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen.ssh_helper = mock.MagicMock()
trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
self.assertIsNone(trex_traffic_gen.resource_helper.generate_cfg())
def test_scale(self):
with mock.patch(SSH_HELPER) 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
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen.scale('')
def test_terminate(self):
with mock.patch(SSH_HELPER) as ssh:
ssh_mock = mock.Mock(autospec=ssh.SSH)
ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
ssh.from_node.return_value = ssh_mock
trex_traffic_gen = TrexTrafficGenRFC('vnf1', self.VNFD_0)
trex_traffic_gen.resource_helper = mock.MagicMock()
self.assertIsNone(trex_traffic_gen.terminate())