Merge "Adding ping based sample VNF appliance"

4 files changed, 588 insertions, 0 deletions

diff --git a/tests/unit/network_services/traffic_profile/test_fixed.py b/tests/unit/network_services/traffic_profile/test_fixed.py
new file mode 100644
index 000000000..f4500dd38
--- /dev/null
+++ b/tests/unit/network_services/traffic_profile/test_fixed.py
@@ -0,0 +1,114 @@
+#!/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 yardstick.network_services.traffic_profile.base import TrafficProfile
+from yardstick.network_services.traffic_profile.fixed import FixedProfile
+
+
+class TestFixedProfile(unittest.TestCase):
+    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}}
+
+    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',
+                    'dst_ip': '152.16.100.20',
+                    'local_mac': '00:00:00:00:00:01'},
+                   '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',
+                    'netmask': '255.255.255.0',
+                    'dpdk_port_num': '1',
+                    'bandwidth': '10 Gbps',
+                    'dst_ip': '152.16.40.20',
+                    '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'}]}}
+
+    def test___init__(self):
+        fixed_profile = \
+            FixedProfile(TrafficProfile)
+        self.assertIsNotNone(fixed_profile)
+
+    def test_execute(self):
+        traffic_generator = mock.Mock(autospec=TrafficProfile)
+        traffic_generator.my_ports = [0, 1]
+        traffic_generator.vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+        traffic_generator.client = \
+            mock.Mock(return_value=True)
+        fixed_profile = FixedProfile(self.TRAFFIC_PROFILE)
+        fixed_profile.params = self.TRAFFIC_PROFILE
+        fixed_profile.first_run = True
+        self.assertEqual(None, fixed_profile.execute(traffic_generator))
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_tg_ping.py b/tests/unit/network_services/vnf_generic/vnf/test_tg_ping.py
new file mode 100644
index 000000000..4f0855543
--- /dev/null
+++ b/tests/unit/network_services/vnf_generic/vnf/test_tg_ping.py
@@ -0,0 +1,247 @@
+#!/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 multiprocessing import Queue
+
+from yardstick.network_services.vnf_generic.vnf.tg_ping import \
+    PingParser, PingTrafficGen
+from yardstick.network_services.traffic_profile.base import TrafficProfile
+
+
+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.assertEqual(True, 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 = {'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 test___init__(self):
+        with mock.patch("yardstick.ssh.SSH") as ssh:
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ssh_mock = mock.Mock(autospec=ssh.SSH)
+            ssh_mock.execute = \
+                mock.Mock(return_value=(0, "", ""))
+            ssh.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            self.assertEqual(ping_traffic_gen._queue, None)
+
+    def test_collect_kpi(self):
+        with mock.patch("yardstick.ssh.SSH") as ssh:
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ssh_mock = mock.Mock(autospec=ssh.SSH)
+            ssh_mock.execute = \
+                mock.Mock(return_value=(0, "", ""))
+            ssh.return_value = ssh_mock
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            ping_traffic_gen._queue = Queue()
+            ping_traffic_gen._queue.put({})
+            ping_traffic_gen.collect_kpi()
+            self.assertEqual({}, ping_traffic_gen._result)
+
+    def test_instantiate(self):
+        with mock.patch("yardstick.ssh.SSH") as ssh:
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ssh_mock = mock.Mock(autospec=ssh.SSH)
+            ssh_mock.execute = \
+                mock.Mock(return_value=(0, "", ""))
+            ssh.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            self.assertEqual(None, ping_traffic_gen.instantiate({}, {}))
+
+    def test_listen_traffic(self):
+        with mock.patch("yardstick.ssh.SSH") as ssh:
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ssh_mock = mock.Mock(autospec=ssh.SSH)
+            ssh_mock.execute = \
+                mock.Mock(return_value=(0, "", ""))
+            ssh.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            self.assertEqual(None, ping_traffic_gen.listen_traffic({}))
+
+    def test_run_traffic(self):
+        mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
+        mock_traffic_profile.get_traffic_definition.return_value = "64"
+        mock_traffic_profile.params = self.TRAFFIC_PROFILE
+        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.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            self.sut = PingTrafficGen(vnfd)
+            self.sut.connection = mock.Mock()
+            self.sut.connection.run = mock.Mock()
+            self.sut._traffic_runner = mock.Mock(return_value=0)
+            self.assertEqual(
+                False, self.sut.run_traffic(mock_traffic_profile))
+
+    def test_run_traffic_process(self):
+        mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
+        mock_traffic_profile.get_traffic_definition.return_value = "64"
+        mock_traffic_profile.params = self.TRAFFIC_PROFILE
+        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.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            self.sut = PingTrafficGen(vnfd)
+            self.sut.connection = mock.Mock()
+            self.sut.connection.run = mock.Mock()
+            q = Queue()
+            self.sut._traffic_runner(mock_traffic_profile, q)
+            self.sut.connection.run.assert_called_with(
+                "ping -s 64 152.16.100.20",
+                stdout=q, keep_stdin_open=True, pty=True)
+
+    def test_scale(self):
+        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.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            flavor = ""
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            self.assertRaises(NotImplementedError, ping_traffic_gen.scale, flavor)
+
+    def test_terminate(self):
+        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.return_value = ssh_mock
+            vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
+            ping_traffic_gen = PingTrafficGen(vnfd)
+            self.assertEqual(None, ping_traffic_gen.terminate())
diff --git a/yardstick/network_services/traffic_profile/fixed.py b/yardstick/network_services/traffic_profile/fixed.py
new file mode 100644
index 000000000..a456c2bd7
--- /dev/null
+++ b/yardstick/network_services/traffic_profile/fixed.py
@@ -0,0 +1,60 @@
+# 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.
+""" Fixed traffic profile definitions """
+
+from __future__ import absolute_import
+
+from yardstick.network_services.traffic_profile.base import TrafficProfile
+from stl.trex_stl_lib.trex_stl_streams import STLTXCont
+from stl.trex_stl_lib.trex_stl_client import STLStream
+from stl.trex_stl_lib.trex_stl_packet_builder_scapy import STLPktBuilder
+from stl.trex_stl_lib import api as Pkt
+
+
+class FixedProfile(TrafficProfile):
+    """
+    This profile adds a single stream at the beginning of the traffic session
+    """
+    def __init__(self, tp_config):
+        super(FixedProfile, self).__init__(tp_config)
+        self.first_run = True
+
+    def execute(self, traffic_generator):
+        if self.first_run:
+            for index, ports in enumerate(traffic_generator.my_ports):
+                ext_intf = \
+                    traffic_generator.vnfd["vdu"][0]["external-interface"]
+                virtual_interface = ext_intf[index]["virtual-interface"]
+                src_ip = virtual_interface["local_ip"]
+                dst_ip = virtual_interface["dst_ip"]
+
+                traffic_generator.client.add_streams(
+                    self._create_stream(src_ip, dst_ip),
+                    ports=[ports])
+
+            traffic_generator.client.start(ports=traffic_generator.my_ports)
+            self.first_run = False
+
+    def _create_stream(self, src_ip, dst_ip):
+        base_frame = \
+            Pkt.Ether() / Pkt.IP(src=src_ip, dst=dst_ip) / Pkt.UDP(dport=12,
+                                                                   sport=1025)
+
+        frame_size = self.params["traffic_profile"]["frame_size"]
+        pad_size = max(0, frame_size - len(base_frame))
+        frame = base_frame / ("x" * max(0, pad_size))
+
+        frame_rate = self.params["traffic_profile"]["frame_rate"]
+        return STLStream(packet=STLPktBuilder(pkt=frame),
+                         mode=STLTXCont(pps=frame_rate))
diff --git a/yardstick/network_services/vnf_generic/vnf/tg_ping.py b/yardstick/network_services/vnf_generic/vnf/tg_ping.py
new file mode 100644
index 000000000..2844a5c01
--- /dev/null
+++ b/yardstick/network_services/vnf_generic/vnf/tg_ping.py
@@ -0,0 +1,167 @@
+# 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.
+""" PING acts as traffic generation and vnf definitions based on IETS Spec """
+
+from __future__ import absolute_import
+from __future__ import print_function
+import logging
+import multiprocessing
+import re
+import time
+import os
+
+from yardstick import ssh
+from yardstick.network_services.vnf_generic.vnf.base import GenericTrafficGen
+from yardstick.network_services.utils import provision_tool
+
+LOG = logging.getLogger(__name__)
+
+
+class PingParser(object):
+    """ Class providing file-like API for talking with SSH connection """
+
+    def __init__(self, q_out):
+        self.queue = q_out
+        self.closed = False
+
+    def write(self, chunk):
+        """ 64 bytes from 10.102.22.93: icmp_seq=1 ttl=64 time=0.296 ms """
+        match = re.search(r"icmp_seq=(\d+).*time=([0-9.]+)", chunk)
+        LOG.debug("Parser called on %s", chunk)
+        if match:
+            # IMPORTANT: in order for the data to be properly taken
+            # in by InfluxDB, it needs to be converted to numeric types
+            self.queue.put({"packets_received": float(match.group(1)),
+                            "rtt": float(match.group(2))})
+
+    def close(self):
+        ''' close the ssh connection '''
+        pass
+
+    def clear(self):
+        ''' clear queue till Empty '''
+        while self.queue.qsize() > 0:
+            self.queue.get()
+
+
+class PingTrafficGen(GenericTrafficGen):
+    """
+    This traffic generator can ping a single IP with pingsize
+    and target given in traffic profile
+    """
+
+    def __init__(self, vnfd):
+        super(PingTrafficGen, self).__init__(vnfd)
+        self._result = {}
+        self._parser = None
+        self._queue = None
+        self._traffic_process = None
+
+        mgmt_interface = vnfd["mgmt-interface"]
+        ssh_port = mgmt_interface.get("ssh_port", ssh.DEFAULT_PORT)
+        LOG.debug("Connecting to %s", mgmt_interface["ip"])
+
+        self.connection = ssh.SSH(mgmt_interface["user"], mgmt_interface["ip"],
+                                  password=mgmt_interface["password"],
+                                  port=ssh_port)
+        self.connection.wait()
+
+    def _bind_device_kernel(self, connection):
+        dpdk_nic_bind = \
+            provision_tool(self.connection,
+                           os.path.join(self.bin_path, "dpdk_nic_bind.py"))
+
+        drivers = {intf["virtual-interface"]["vpci"]:
+                   intf["virtual-interface"]["driver"]
+                   for intf in self.vnfd["vdu"][0]["external-interface"]}
+
+        commands = \
+            ['"{0}" --force -b "{1}" "{2}"'.format(dpdk_nic_bind, value, key)
+             for key, value in drivers.items()]
+        for command in commands:
+            connection.execute(command)
+
+        for index, out in enumerate(self.vnfd["vdu"][0]["external-interface"]):
+            vpci = out["virtual-interface"]["vpci"]
+            net = "find /sys/class/net -lname '*{}*' -printf '%f'".format(vpci)
+            out = connection.execute(net)[1]
+            ifname = out.split('/')[-1].strip('\n')
+            self.vnfd["vdu"][0]["external-interface"][index][
+                "virtual-interface"]["local_iface_name"] = ifname
+
+    def scale(self, flavor=""):
+        ''' scale vnfbased on flavor input '''
+        super(PingTrafficGen, self).scale(flavor)
+
+    def instantiate(self, scenario_cfg, context_cfg):
+        self._result = {"packets_received": 0, "rtt": 0}
+        self._bind_device_kernel(self.connection)
+
+    def run_traffic(self, traffic_profile):
+        self._queue = multiprocessing.Queue()
+        self._parser = PingParser(self._queue)
+        self._traffic_process = \
+            multiprocessing.Process(target=self._traffic_runner,
+                                    args=(traffic_profile, self._parser))
+        self._traffic_process.start()
+        # Wait for traffic process to start
+        time.sleep(4)
+        return self._traffic_process.is_alive()
+
+    def listen_traffic(self, traffic_profile):
+        """ Not needed for ping
+
+        :param traffic_profile:
+        :return:
+        """
+        pass
+
+    def _traffic_runner(self, traffic_profile, filewrapper):
+
+        mgmt_interface = self.vnfd["mgmt-interface"]
+        ssh_port = mgmt_interface.get("ssh_port", ssh.DEFAULT_PORT)
+        self.connection = ssh.SSH(mgmt_interface["user"], mgmt_interface["ip"],
+                                  password=mgmt_interface["password"],
+                                  port=ssh_port)
+        self.connection.wait()
+        external_interface = self.vnfd["vdu"][0]["external-interface"]
+        virtual_interface = external_interface[0]["virtual-interface"]
+        target_ip = virtual_interface["dst_ip"].split('/')[0]
+        local_ip = virtual_interface["local_ip"].split('/')[0]
+        local_if_name = \
+            virtual_interface["local_iface_name"].split('/')[0]
+        packet_size = traffic_profile.params["traffic_profile"]["frame_size"]
+
+        run_cmd = []
+
+        run_cmd.append("ip addr flush %s" % local_if_name)
+        run_cmd.append("ip addr add %s/24 dev %s" % (local_ip, local_if_name))
+        run_cmd.append("ip link set %s up" % local_if_name)
+
+        for cmd in run_cmd:
+            self.connection.execute(cmd)
+
+        ping_cmd = ("ping -s %s %s" % (packet_size, target_ip))
+        self.connection.run(ping_cmd, stdout=filewrapper,
+                            keep_stdin_open=True, pty=True)
+
+    def collect_kpi(self):
+        if not self._queue.empty():
+            kpi = self._queue.get()
+            self._result.update(kpi)
+        return self._result
+
+    def terminate(self):
+        if self._traffic_process is not None:
+            self._traffic_process.terminate()