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# 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.
import subprocess
import mock
import six
from yardstick import ssh
from yardstick.benchmark.contexts import base as ctx_base
from yardstick.common import utils
from yardstick.network_services.vnf_generic.vnf import tg_ixload
from yardstick.network_services.traffic_profile import base as tp_base
from yardstick.tests.unit import base as ut_base
NAME = "tg__1"
class TestIxLoadTrafficGen(ut_base.BaseUnitTestCase):
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': '1.1.1.1',
'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}}
def setUp(self):
self._mock_call = mock.patch.object(subprocess, 'call')
self.mock_call = self._mock_call.start()
self._mock_open = mock.patch.object(tg_ixload, 'open')
self.mock_open = self._mock_open.start()
self._mock_ssh = mock.patch.object(ssh, 'SSH')
self.mock_ssh = self._mock_ssh.start()
ssh_obj_mock = mock.Mock(autospec=ssh.SSH)
ssh_obj_mock.execute = mock.Mock(return_value=(0, '', ''))
ssh_obj_mock.run = mock.Mock(return_value=(0, '', ''))
self.mock_ssh.from_node.return_value = ssh_obj_mock
self.addCleanup(self._stop_mock)
def _stop_mock(self):
self._mock_call.stop()
self._mock_open.stop()
self._mock_ssh.stop()
def test___init__(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
self.assertIsNone(ixload_traffic_gen.resource_helper.data)
@mock.patch.object(ctx_base.Context, 'get_physical_node_from_server',
return_value='mock_node')
def test_collect_kpi(self, *args):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
ixload_traffic_gen.scenario_helper.scenario_cfg = {
'nodes': {ixload_traffic_gen.name: "mock"}
}
ixload_traffic_gen.data = {}
result = ixload_traffic_gen.collect_kpi()
expected = {
'physical_node': 'mock_node',
'collect_stats': {}}
self.assertEqual(expected, result)
def test_listen_traffic(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
self.assertIsNone(ixload_traffic_gen.listen_traffic({}))
@mock.patch.object(utils, 'find_relative_file')
@mock.patch.object(utils, 'makedirs')
@mock.patch.object(ctx_base.Context, 'get_context_from_server')
@mock.patch.object(tg_ixload, 'shutil')
def test_instantiate(self, mock_shutil, *args):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
scenario_cfg = {'tc': "nsb_test_case",
'ixia_profile': "ixload.cfg",
'task_path': "/path/to/task"}
ixload_traffic_gen.RESULTS_MOUNT = "/tmp/result"
mock_shutil.copy = mock.Mock()
scenario_cfg.update(
{'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}}
}
}
)
scenario_cfg.update({'nodes': {ixload_traffic_gen.name: "mock"}})
with mock.patch.object(six.moves.builtins, 'open',
create=True) as mock_open:
mock_open.return_value = mock.MagicMock()
ixload_traffic_gen.instantiate(scenario_cfg, {})
@mock.patch.object(tg_ixload, 'open')
@mock.patch.object(tg_ixload, 'min')
@mock.patch.object(tg_ixload, 'max')
@mock.patch.object(tg_ixload, 'len')
@mock.patch.object(tg_ixload, 'shutil')
def test_run_traffic(self, *args):
mock_traffic_profile = mock.Mock(autospec=tp_base.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]
vnfd['mgmt-interface'].update({'tg-config': {}})
vnfd['mgmt-interface']['tg-config'].update({'ixchassis': '1.1.1.1'})
vnfd['mgmt-interface']['tg-config'].update({'py_bin_path': '/root'})
sut = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
sut.connection = mock.Mock()
sut._traffic_runner = mock.Mock(return_value=0)
result = sut.run_traffic(mock_traffic_profile)
self.assertIsNone(result)
@mock.patch.object(tg_ixload, 'open')
@mock.patch.object(tg_ixload, 'min')
@mock.patch.object(tg_ixload, 'max')
@mock.patch.object(tg_ixload, 'len')
@mock.patch.object(tg_ixload, 'shutil')
def test_run_traffic_csv(self, *args):
mock_traffic_profile = mock.Mock(autospec=tp_base.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]
vnfd['mgmt-interface'].update({'tg-config': {}})
vnfd['mgmt-interface']['tg-config'].update({'ixchassis': '1.1.1.1'})
vnfd['mgmt-interface']['tg-config'].update({'py_bin_path': '/root'})
sut = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
sut.connection = mock.Mock()
sut._traffic_runner = mock.Mock(return_value=0)
subprocess.call(['touch', '/tmp/1.csv'])
sut.rel_bin_path = mock.Mock(return_value='/tmp/*.csv')
result = sut.run_traffic(mock_traffic_profile)
self.assertIsNone(result)
def test_terminate(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
self.assertIsNone(ixload_traffic_gen.terminate())
def test_parse_csv_read(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
kpi_data = {
'HTTP Total Throughput (Kbps)': 1,
'HTTP Simulated Users': 2,
'HTTP Concurrent Connections': '3',
'HTTP Connection Rate': 4.3,
'HTTP Transaction Rate': True,
}
http_reader = [kpi_data]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
result = ixload_traffic_gen.resource_helper.result
ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)
for k_left, k_right in tg_ixload.IxLoadResourceHelper.KPI_LIST.items():
self.assertEqual(result[k_left][-1], int(kpi_data[k_right]))
def test_parse_csv_read_value_error(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
http_reader = [{
'HTTP Total Throughput (Kbps)': 1,
'HTTP Simulated Users': 2,
'HTTP Concurrent Connections': "not a number",
'HTTP Connection Rate': 4,
'HTTP Transaction Rate': 5,
}]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
init_value = ixload_traffic_gen.resource_helper.result
ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)
self.assertDictEqual(ixload_traffic_gen.resource_helper.result,
init_value)
def test_parse_csv_read_error(self,):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
http_reader = [{
'HTTP Total Throughput (Kbps)': 1,
'HTTP Simulated Users': 2,
'HTTP Concurrent Connections': 3,
'HTTP Transaction Rate': 5,
}]
ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd, 'task_id')
with self.assertRaises(KeyError):
ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)
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