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# Copyright (c) 2016-2019 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 multiprocessing import Queue
import multiprocessing
import mock
import unittest
from yardstick.tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
from yardstick.benchmark.contexts import base as ctx_base
from yardstick.network_services.vnf_generic.vnf.tg_ping import PingParser
from yardstick.network_services.vnf_generic.vnf.tg_ping import PingTrafficGen
from yardstick.network_services.vnf_generic.vnf.tg_ping import PingResourceHelper
from yardstick.network_services.vnf_generic.vnf.tg_ping import PingSetupEnvHelper
from yardstick.network_services.vnf_generic.vnf.vnf_ssh_helper import VnfSshHelper
SSH_HELPER = "yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper"
class TestPingResourceHelper(unittest.TestCase):
def test___init__(self):
setup_helper = mock.Mock()
helper = PingResourceHelper(setup_helper)
self.assertIsInstance(helper._queue, multiprocessing.queues.Queue)
self.assertIsInstance(helper._parser, PingParser)
def test_run_traffic(self):
setup_helper = mock.Mock()
traffic_profile = mock.Mock()
traffic_profile.params = {
'traffic_profile': {
'frame_size': 64,
},
}
helper = PingResourceHelper(setup_helper)
helper.cmd_kwargs = {'target_ip': '10.0.0.2',
'local_ip': '10.0.0.1',
'local_if_name': 'eth0',
}
helper.ssh_helper = mock.Mock()
helper.run_traffic(traffic_profile)
helper.ssh_helper.run.called_with('ping-s 64 10.0.0.2')
class TestPingParser(unittest.TestCase):
def test___init__(self):
q_out = Queue()
ping_parser = PingParser(q_out)
self.assertIsNotNone(ping_parser.queue)
def test_clear(self):
sample_out = """
64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
"""
q_out = Queue()
ping_parser = PingParser(q_out)
ping_parser.write(sample_out)
ping_parser.clear()
self.assertTrue(q_out.empty())
def test_close(self):
q_out = Queue()
ping_parser = PingParser(q_out)
self.assertIsNone(ping_parser.close())
def test_write(self):
sample_out = """
64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
"""
q_out = Queue()
ping_parser = PingParser(q_out)
ping_parser.write(sample_out)
self.assertEqual({"packets_received": 3.0, "rtt": 0.296}, q_out.get())
class TestPingTrafficGen(unittest.TestCase):
VNFD_0_EXT_IF_0 = {
'virtual-interface': {
'dst_mac': '00:00:00:00:00:04',
'vpci': '0000:05:00.0',
'local_ip': u'152.16.100.19',
'type': 'PCI-PASSTHROUGH',
'netmask': '255.255.255.0',
'bandwidth': '10 Gbps',
'driver': "i40e",
'dst_ip': u'152.16.100.20',
'local_iface_name': 'xe0',
'local_mac': '00:00:00:00:00:02',
},
'vnfd-connection-point-ref': 'xe0',
'name': 'xe0',
}
VNFD_0_EXT_IF_1 = {
'virtual-interface': {
'dst_mac': '00:00:00:00:00:03',
'vpci': '0000:05:00.1',
'local_ip': u'152.16.40.19',
'type': 'PCI-PASSTHROUGH',
'driver': "i40e",
'netmask': '255.255.255.0',
'bandwidth': '10 Gbps',
'dst_ip': u'152.16.40.20',
'local_iface_name': 'xe1',
'local_mac': '00:00:00:00:00:01',
},
'vnfd-connection-point-ref': 'xe1',
'name': 'xe1',
}
VNFD_0_EXT_IF_LIST = [
VNFD_0_EXT_IF_0,
VNFD_0_EXT_IF_1,
]
VNFD_0 = {
'short-name': 'VpeVnf',
'vdu': [
{
'routing_table': [
{
'network': u'152.16.100.20',
'netmask': u'255.255.255.0',
'gateway': u'152.16.100.20',
'if': 'xe0',
},
{
'network': u'152.16.40.20',
'netmask': u'255.255.255.0',
'gateway': u'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': VNFD_0_EXT_IF_LIST,
},
],
'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,
},
}
CMD_KWARGS = {
'target_ip': u'152.16.100.20',
'local_ip': u'152.16.100.19',
'local_if_name': u'xe0_fake',
}
@mock.patch("yardstick.ssh.SSH")
def test___init__(self, ssh):
ssh.from_node.return_value.execute.return_value = 0, "success", ""
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
self.assertIsInstance(ping_traffic_gen.setup_helper, PingSetupEnvHelper)
self.assertIsInstance(ping_traffic_gen.resource_helper, PingResourceHelper)
self.assertEqual(ping_traffic_gen._result, {})
@mock.patch("yardstick.ssh.SSH")
def test__bind_device_kernel_with_failure(self, ssh):
mock_ssh(ssh)
execute_result_data = [
(1, 'bad stdout messages', 'error messages'),
(0, '', ''),
(0, 'if_name_1', ''),
(0, 'if_name_2', ''),
]
ssh.from_node.return_value.execute.side_effect = iter(execute_result_data)
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
ext_ifs = ping_traffic_gen.vnfd_helper.interfaces
self.assertNotEqual(ext_ifs[0]['virtual-interface']['local_iface_name'], 'if_name_1')
self.assertNotEqual(ext_ifs[1]['virtual-interface']['local_iface_name'], 'if_name_2')
@mock.patch.object(ctx_base.Context, 'get_physical_node_from_server', return_value='mock_node')
@mock.patch("yardstick.ssh.SSH")
def test_collect_kpi(self, ssh, *args):
mock_ssh(ssh, exec_result=(0, "success", ""))
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
ping_traffic_gen.scenario_helper.scenario_cfg = {
'nodes': {ping_traffic_gen.name: "mock"}
}
ping_traffic_gen._queue = Queue()
ping_traffic_gen._queue.put({})
expected = {
'physical_node': 'mock_node',
'collect_stats': {}
}
# NOTE: Why we check _result but not collect_kpi() return value
# self.assertEqual(ping_traffic_gen._result, {})
self.assertEqual(ping_traffic_gen.collect_kpi(), expected)
@mock.patch(SSH_HELPER)
def test_instantiate(self, ssh):
mock_ssh(ssh, spec=VnfSshHelper, exec_result=(0, "success", ""))
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
ping_traffic_gen.setup_helper.ssh_helper = mock.MagicMock(
**{"execute.return_value": (0, "xe0_fake", "")})
self.assertIsInstance(ping_traffic_gen.ssh_helper, mock.Mock)
self.assertEqual(ping_traffic_gen._result, {})
self.assertIsNone(ping_traffic_gen.instantiate({}, {}))
self.assertEqual(
ping_traffic_gen.vnfd_helper.interfaces[0]['virtual-interface']['local_iface_name'],
'xe0_fake')
self.assertEqual(self.CMD_KWARGS, ping_traffic_gen.resource_helper.cmd_kwargs)
self.assertIsNotNone(ping_traffic_gen._result)
def test_listen_traffic(self):
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
self.assertIsNone(ping_traffic_gen.listen_traffic({}))
@mock.patch("yardstick.ssh.SSH")
def test_terminate(self, ssh):
ssh.from_node.return_value.execute.return_value = 0, "success", ""
ssh.from_node.return_value.run.return_value = 0, "success", ""
ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
self.assertIsNone(ping_traffic_gen.terminate())
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