Improve OVS-DPDK boot process

Check if hugepages are present in the system.
Check if every command executed during the boot up process
exits correctly.

JIRA: YARDSTICK-917

Change-Id: Ic0c8a72199ad80e3a65488cc88d0692863751284
Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>

5 files changed, 326 insertions, 165 deletions

diff --git a/yardstick/benchmark/contexts/standalone/model.py b/yardstick/benchmark/contexts/standalone/model.py
index 14738da8a..ac81ee742 100644
--- a/yardstick/benchmark/contexts/standalone/model.py
+++ b/yardstick/benchmark/contexts/standalone/model.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import absolute_import
 import os
 import re
 import time
@@ -25,7 +24,8 @@ from netaddr import IPNetwork
 import xml.etree.ElementTree as ET
 
 from yardstick import ssh
-from yardstick.common.constants import YARDSTICK_ROOT_PATH
+from yardstick.common import constants
+from yardstick.common import exceptions
 from yardstick.common.yaml_loader import yaml_load
 from yardstick.network_services.utils import PciAddress
 from yardstick.network_services.helpers.cpu import CpuSysCores
@@ -374,7 +374,8 @@ class StandaloneContextHelper(object):
         except IOError as io_error:
             if io_error.errno != errno.ENOENT:
                 raise
-            self.file_path = os.path.join(YARDSTICK_ROOT_PATH, file_path)
+            self.file_path = os.path.join(constants.YARDSTICK_ROOT_PATH,
+                                          file_path)
             cfg = self.read_config_file()
 
         nodes.extend([node for node in cfg["nodes"] if str(node["role"]) != nfvi_role])
@@ -506,7 +507,7 @@ class OvsDeploy(object):
         StandaloneContextHelper.install_req_libs(self.connection, pkgs)
 
     def ovs_deploy(self):
-        ovs_deploy = os.path.join(YARDSTICK_ROOT_PATH,
+        ovs_deploy = os.path.join(constants.YARDSTICK_ROOT_PATH,
                                   "yardstick/resources/scripts/install/",
                                   self.OVS_DEPLOY_SCRIPT)
         if os.path.isfile(ovs_deploy):
@@ -522,4 +523,6 @@ class OvsDeploy(object):
 
             cmd = "sudo -E %s --ovs='%s' --dpdk='%s' -p='%s'" % (remote_ovs_deploy,
                                                                  ovs, dpdk, http_proxy)
-            self.connection.execute(cmd)
+            exit_status, _, stderr = self.connection.execute(cmd)
+            if exit_status:
+                raise exceptions.OVSDeployError(stderr=stderr)
diff --git a/yardstick/benchmark/contexts/standalone/ovs_dpdk.py b/yardstick/benchmark/contexts/standalone/ovs_dpdk.py
index a18b42ea5..23b167f83 100644
--- a/yardstick/benchmark/contexts/standalone/ovs_dpdk.py
+++ b/yardstick/benchmark/contexts/standalone/ovs_dpdk.py
@@ -12,26 +12,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import absolute_import
-import os
-import logging
+import io
 import collections
+import logging
+import os
+import re
 import time
 
-from collections import OrderedDict
-
 from yardstick import ssh
-from yardstick.network_services.utils import get_nsb_option
-from yardstick.network_services.utils import provision_tool
 from yardstick.benchmark.contexts.base import Context
-from yardstick.benchmark.contexts.standalone.model import Libvirt
-from yardstick.benchmark.contexts.standalone.model import StandaloneContextHelper
-from yardstick.benchmark.contexts.standalone.model import Server
-from yardstick.benchmark.contexts.standalone.model import OvsDeploy
-from yardstick.network_services.utils import PciAddress
+from yardstick.benchmark.contexts.standalone import model
+from yardstick.common import exceptions
+from yardstick.network_services import utils
+
 
 LOG = logging.getLogger(__name__)
 
+MAIN_BRIDGE = 'br0'
+
 
 class OvsDpdkContext(Context):
     """ This class handles OVS standalone nodes - VM running on Non-Managed NFVi
@@ -50,8 +48,8 @@ class OvsDpdkContext(Context):
     }
 
     DEFAULT_OVS = '2.6.0'
-
     PKILL_TEMPLATE = "pkill %s %s"
+    CMD_TIMEOUT = 30
 
     def __init__(self):
         self.file_path = None
@@ -65,8 +63,8 @@ class OvsDpdkContext(Context):
         self.attrs = {}
         self.vm_flavor = None
         self.servers = None
-        self.helper = StandaloneContextHelper()
-        self.vnf_node = Server()
+        self.helper = model.StandaloneContextHelper()
+        self.vnf_node = model.Server()
         self.ovs_properties = {}
         self.wait_for_vswitchd = 10
         super(OvsDpdkContext, self).__init__()
@@ -166,56 +164,78 @@ class OvsDpdkContext(Context):
         vpath = self.ovs_properties.get("vpath", "/usr/local")
         version = self.ovs_properties.get('version', {})
         ovs_ver = [int(x) for x in version.get('ovs', self.DEFAULT_OVS).split('.')]
-        ovs_add_port = \
-            "ovs-vsctl add-port {br} {port} -- set Interface {port} type={type_}{dpdk_args}"
-        ovs_add_queue = "ovs-vsctl set Interface {port} options:n_rxq={queue}"
-        chmod_vpath = "chmod 0777 {0}/var/run/openvswitch/dpdkvhostuser*"
-
-        cmd_dpdk_list = [
-            "ovs-vsctl del-br br0",
-            "rm -rf {0}/var/run/openvswitch/dpdkvhostuser*".format(vpath),
-            "ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev",
+        ovs_add_port = ('ovs-vsctl add-port {br} {port} -- '
+                        'set Interface {port} type={type_}{dpdk_args}')
+        ovs_add_queue = 'ovs-vsctl set Interface {port} options:n_rxq={queue}'
+        chmod_vpath = 'chmod 0777 {0}/var/run/openvswitch/dpdkvhostuser*'
+
+        cmd_list = [
+            'ovs-vsctl --if-exists del-br {0}'.format(MAIN_BRIDGE),
+            'rm -rf {0}/var/run/openvswitch/dpdkvhostuser*'.format(vpath),
+            'ovs-vsctl add-br {0} -- set bridge {0} datapath_type=netdev'.
+            format(MAIN_BRIDGE)
         ]
 
-        ordered_network = OrderedDict(self.networks)
+        ordered_network = collections.OrderedDict(self.networks)
         for index, vnf in enumerate(ordered_network.values()):
             if ovs_ver >= [2, 7, 0]:
                 dpdk_args = " options:dpdk-devargs=%s" % vnf.get("phy_port")
-            dpdk_list.append(ovs_add_port.format(br='br0', port='dpdk%s' % vnf.get("port_num", 0),
-                                                 type_='dpdk', dpdk_args=dpdk_args))
-            dpdk_list.append(ovs_add_queue.format(port='dpdk%s' % vnf.get("port_num", 0),
-                                                  queue=self.ovs_properties.get("queues", 1)))
+            dpdk_list.append(ovs_add_port.format(
+                br=MAIN_BRIDGE, port='dpdk%s' % vnf.get("port_num", 0),
+                type_='dpdk', dpdk_args=dpdk_args))
+            dpdk_list.append(ovs_add_queue.format(
+                port='dpdk%s' % vnf.get("port_num", 0),
+                queue=self.ovs_properties.get("queues", 1)))
 
         # Sorting the array to make sure we execute dpdk0... in the order
         list.sort(dpdk_list)
-        cmd_dpdk_list.extend(dpdk_list)
+        cmd_list.extend(dpdk_list)
 
         # Need to do two for loop to maintain the dpdk/vhost ports.
         for index, _ in enumerate(ordered_network):
-            cmd_dpdk_list.append(ovs_add_port.format(br='br0', port='dpdkvhostuser%s' % index,
-                                                     type_='dpdkvhostuser', dpdk_args=""))
-
-        for cmd in cmd_dpdk_list:
-            LOG.info(cmd)
-            self.connection.execute(cmd)
-
-        # Fixme: add flows code
-        ovs_flow = "ovs-ofctl add-flow br0 in_port=%s,action=output:%s"
+            cmd_list.append(ovs_add_port.format(
+                br=MAIN_BRIDGE, port='dpdkvhostuser%s' % index,
+                type_='dpdkvhostuser', dpdk_args=""))
 
+        ovs_flow = ("ovs-ofctl add-flow {0} in_port=%s,action=output:%s".
+                    format(MAIN_BRIDGE))
         network_count = len(ordered_network) + 1
         for in_port, out_port in zip(range(1, network_count),
                                      range(network_count, network_count * 2)):
-            self.connection.execute(ovs_flow % (in_port, out_port))
-            self.connection.execute(ovs_flow % (out_port, in_port))
+            cmd_list.append(ovs_flow % (in_port, out_port))
+            cmd_list.append(ovs_flow % (out_port, in_port))
+
+        cmd_list.append(chmod_vpath.format(vpath))
 
-        self.connection.execute(chmod_vpath.format(vpath))
+        for cmd in cmd_list:
+            LOG.info(cmd)
+            exit_status, _, stderr = self.connection.execute(
+                cmd, timeout=self.CMD_TIMEOUT)
+            if exit_status:
+                raise exceptions.OVSSetupError(command=cmd, error=stderr)
+
+    def _check_hugepages(self):
+        meminfo = io.BytesIO()
+        self.connection.get_file_obj('/proc/meminfo', meminfo)
+        regex = re.compile(r"HugePages_Total:\s+(?P<hp_total>\d+)[\n\r]"
+                           r"HugePages_Free:\s+(?P<hp_free>\d+)")
+        match = regex.search(meminfo.getvalue().decode('utf-8'))
+        if not match:
+            raise exceptions.OVSHugepagesInfoError()
+        if int(match.group('hp_total')) == 0:
+            raise exceptions.OVSHugepagesNotConfigured()
+        if int(match.group('hp_free')) == 0:
+            raise exceptions.OVSHugepagesZeroFree(
+                total_hugepages=int(match.group('hp_total')))
 
     def cleanup_ovs_dpdk_env(self):
-        self.connection.execute("ovs-vsctl del-br br0")
+        self.connection.execute(
+            'ovs-vsctl --if-exists del-br {0}'.format(MAIN_BRIDGE))
         self.connection.execute("pkill -9 ovs")
 
     def check_ovs_dpdk_env(self):
         self.cleanup_ovs_dpdk_env()
+        self._check_hugepages()
 
         version = self.ovs_properties.get("version", {})
         ovs_ver = version.get("ovs", self.DEFAULT_OVS)
@@ -223,13 +243,15 @@ class OvsDpdkContext(Context):
 
         supported_version = self.SUPPORTED_OVS_TO_DPDK_MAP.get(ovs_ver, None)
         if supported_version is None or supported_version.split('.')[:2] != dpdk_ver[:2]:
-            raise Exception("Unsupported ovs '{}'. Please check the config...".format(ovs_ver))
+            raise exceptions.OVSUnsupportedVersion(
+                ovs_version=ovs_ver,
+                ovs_to_dpdk_map=self.SUPPORTED_OVS_TO_DPDK_MAP)
 
         status = self.connection.execute("ovs-vsctl -V | grep -i '%s'" % ovs_ver)[0]
         if status:
-            deploy = OvsDeploy(self.connection,
-                               get_nsb_option("bin_path"),
-                               self.ovs_properties)
+            deploy = model.OvsDeploy(self.connection,
+                                     utils.get_nsb_option("bin_path"),
+                                     self.ovs_properties)
             deploy.ovs_deploy()
 
     def deploy(self):
@@ -240,15 +262,15 @@ class OvsDpdkContext(Context):
             return
 
         self.connection = ssh.SSH.from_node(self.host_mgmt)
-        self.dpdk_devbind = provision_tool(
+        self.dpdk_devbind = utils.provision_tool(
             self.connection,
-            os.path.join(get_nsb_option("bin_path"), "dpdk-devbind.py"))
+            os.path.join(utils.get_nsb_option('bin_path'), 'dpdk-devbind.py'))
 
         # Check dpdk/ovs version, if not present install
         self.check_ovs_dpdk_env()
         #    Todo: NFVi deploy (sriov, vswitch, ovs etc) based on the config.
-        StandaloneContextHelper.install_req_libs(self.connection)
-        self.networks = StandaloneContextHelper.get_nic_details(
+        model.StandaloneContextHelper.install_req_libs(self.connection)
+        self.networks = model.StandaloneContextHelper.get_nic_details(
             self.connection, self.networks, self.dpdk_devbind)
 
         self.setup_ovs()
@@ -256,9 +278,8 @@ class OvsDpdkContext(Context):
         self.setup_ovs_bridge_add_flows()
         self.nodes = self.setup_ovs_dpdk_context()
         LOG.debug("Waiting for VM to come up...")
-        self.nodes = StandaloneContextHelper.wait_for_vnfs_to_start(self.connection,
-                                                                    self.servers,
-                                                                    self.nodes)
+        self.nodes = model.StandaloneContextHelper.wait_for_vnfs_to_start(
+            self.connection, self.servers, self.nodes)
 
     def undeploy(self):
 
@@ -278,7 +299,7 @@ class OvsDpdkContext(Context):
 
         # Todo: NFVi undeploy (sriov, vswitch, ovs etc) based on the config.
         for vm in self.vm_names:
-            Libvirt.check_if_vm_exists_and_delete(vm, self.connection)
+            model.Libvirt.check_if_vm_exists_and_delete(vm, self.connection)
 
     def _get_server(self, attr_name):
         """lookup server info by name from context
@@ -333,9 +354,9 @@ class OvsDpdkContext(Context):
         return result
 
     def configure_nics_for_ovs_dpdk(self):
-        portlist = OrderedDict(self.networks)
+        portlist = collections.OrderedDict(self.networks)
         for key in portlist:
-            mac = StandaloneContextHelper.get_mac_address()
+            mac = model.StandaloneContextHelper.get_mac_address()
             portlist[key].update({'mac': mac})
         self.networks = portlist
         LOG.info("Ports %s", self.networks)
@@ -344,29 +365,33 @@ class OvsDpdkContext(Context):
         vpath = self.ovs_properties.get("vpath", "/usr/local")
         vf = self.networks[vfs[0]]
         port_num = vf.get('port_num', 0)
-        vpci = PciAddress(vf['vpci'].strip())
+        vpci = utils.PciAddress(vf['vpci'].strip())
         # Generate the vpci for the interfaces
         slot = index + port_num + 10
         vf['vpci'] = \
             "{}:{}:{:02x}.{}".format(vpci.domain, vpci.bus, slot, vpci.function)
-        Libvirt.add_ovs_interface(vpath, port_num, vf['vpci'], vf['mac'], str(cfg))
+        model.Libvirt.add_ovs_interface(
+            vpath, port_num, vf['vpci'], vf['mac'], str(cfg))
 
     def setup_ovs_dpdk_context(self):
         nodes = []
 
         self.configure_nics_for_ovs_dpdk()
 
-        for index, (key, vnf) in enumerate(OrderedDict(self.servers).items()):
+        for index, (key, vnf) in enumerate(collections.OrderedDict(
+                self.servers).items()):
             cfg = '/tmp/vm_ovs_%d.xml' % index
             vm_name = "vm_%d" % index
 
             # 1. Check and delete VM if already exists
-            Libvirt.check_if_vm_exists_and_delete(vm_name, self.connection)
+            model.Libvirt.check_if_vm_exists_and_delete(vm_name,
+                                                        self.connection)
 
-            _, mac = Libvirt.build_vm_xml(self.connection, self.vm_flavor,
-                                          cfg, vm_name, index)
+            _, mac = model.Libvirt.build_vm_xml(
+                self.connection, self.vm_flavor, cfg, vm_name, index)
             # 2: Cleanup already available VMs
-            for vkey, vfs in OrderedDict(vnf["network_ports"]).items():
+            for vkey, vfs in collections.OrderedDict(
+                    vnf["network_ports"]).items():
                 if vkey == "mgmt":
                     continue
                 self._enable_interfaces(index, vfs, cfg)
@@ -376,7 +401,7 @@ class OvsDpdkContext(Context):
 
             # NOTE: launch through libvirt
             LOG.info("virsh create ...")
-            Libvirt.virsh_create_vm(self.connection, cfg)
+            model.Libvirt.virsh_create_vm(self.connection, cfg)
 
             self.vm_names.append(vm_name)
 
diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index 8160c5b0c..e0e5b7e16 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -82,6 +82,32 @@ class DPDKSetupDriverError(YardstickException):
     message = '"igb_uio" driver is not loaded'
 
 
+class OVSUnsupportedVersion(YardstickException):
+    message = ('Unsupported OVS version "%(ovs_version)s". Please check the '
+               'config. OVS to DPDK version map: %(ovs_to_dpdk_map)s.')
+
+
+class OVSHugepagesInfoError(YardstickException):
+    message = 'MemInfo cannnot be retrieved.'
+
+
+class OVSHugepagesNotConfigured(YardstickException):
+    message = 'HugePages are not configured in this system.'
+
+
+class OVSHugepagesZeroFree(YardstickException):
+    message = ('There are no HugePages free in this system. Total HugePages '
+               'configured: %(total_hugepages)s')
+
+
+class OVSDeployError(YardstickException):
+    message = 'OVS deploy tool failed with error: %(stderr)s.'
+
+
+class OVSSetupError(YardstickException):
+    message = 'OVS setup error. Command: %(command)s. Error: %(error)s.'
+
+
 class ScenarioConfigContextNameNotFound(YardstickException):
     message = 'Context name "%(context_name)s" not found'
 
diff --git a/yardstick/tests/unit/benchmark/contexts/standalone/test_model.py b/yardstick/tests/unit/benchmark/contexts/standalone/test_model.py
index 18ea3c4e6..03f4a1225 100644
--- a/yardstick/tests/unit/benchmark/contexts/standalone/test_model.py
+++ b/yardstick/tests/unit/benchmark/contexts/standalone/test_model.py
@@ -18,7 +18,10 @@ import unittest
 import mock
 
 from xml.etree import ElementTree
+
+from yardstick import ssh
 from yardstick.benchmark.contexts.standalone import model
+from yardstick import constants
 from yardstick.network_services import utils
 
 
@@ -38,6 +41,7 @@ XML_SAMPLE_INTERFACE = """<?xml version="1.0"?>
 </domain>
 """
 
+
 class ModelLibvirtTestCase(unittest.TestCase):
 
     def setUp(self):
@@ -398,43 +402,80 @@ class ServerTestCase(unittest.TestCase):
 
 class OvsDeployTestCase(unittest.TestCase):
 
-    NETWORKS = {
-        'mgmt': {'cidr': '152.16.100.10/24'},
-        'private_0': {
-            'phy_port': "0000:05:00.0",
-            'vpci': "0000:00:07.0",
-            'driver': 'i40e',
-            'mac': '',
-            'cidr': '152.16.100.10/24',
-            'gateway_ip': '152.16.100.20'},
-        'public_0': {
-            'phy_port': "0000:05:00.1",
-            'vpci': "0000:00:08.0",
-            'driver': 'i40e',
-            'mac': '',
-            'cidr': '152.16.40.10/24',
-            'gateway_ip': '152.16.100.20'}
-    }
-
-    @mock.patch('yardstick.ssh.SSH')
-    def setUp(self, mock_ssh):
-        self.ovs_deploy = model.OvsDeploy(mock_ssh, '/tmp/dpdk-devbind.py', {})
+    OVS_DETAILS = {'version': {'ovs': 'ovs_version', 'dpdk': 'dpdk_version'}}
 
-    def test___init__(self):
-        self.assertIsNotNone(self.ovs_deploy.connection)
-
-    @mock.patch('yardstick.benchmark.contexts.standalone.model.os')
-    def test_prerequisite(self, *args):
-        # NOTE(ralonsoh): this test should check mocked function calls.
-        self.ovs_deploy.helper = mock.Mock()
-        self.assertIsNone(self.ovs_deploy.prerequisite())
-
-    @mock.patch('yardstick.benchmark.contexts.standalone.model.os')
-    def test_prerequisite_2(self, *args):
-        # NOTE(ralonsoh): this test should check mocked function calls. Rename
-        # this test properly.
-        self.ovs_deploy.helper = mock.Mock()
-        self.ovs_deploy.connection.execute = mock.Mock(
-            return_value=(1, '1.2.3.4 00:00:00:00:00:01', ''))
-        self.ovs_deploy.prerequisite = mock.Mock()
-        self.assertIsNone(self.ovs_deploy.ovs_deploy())
+    def setUp(self):
+        self._mock_ssh = mock.patch.object(ssh, 'SSH')
+        self.mock_ssh = self._mock_ssh .start()
+        self.ovs_deploy = model.OvsDeploy(self.mock_ssh,
+                                          '/tmp/dpdk-devbind.py',
+                                          self.OVS_DETAILS)
+        self._mock_path_isfile = mock.patch.object(os.path, 'isfile')
+        self._mock_path_join = mock.patch.object(os.path, 'join')
+        self.mock_path_isfile = self._mock_path_isfile.start()
+        self.mock_path_join = self._mock_path_join.start()
+
+        self.addCleanup(self._stop_mock)
+
+    def _stop_mock(self):
+        self._mock_ssh.stop()
+        self._mock_path_isfile.stop()
+        self._mock_path_join.stop()
+
+    @mock.patch.object(model.StandaloneContextHelper, 'install_req_libs')
+    def test_prerequisite(self, mock_install_req_libs):
+        pkgs = ["git", "build-essential", "pkg-config", "automake",
+                "autotools-dev", "libltdl-dev", "cmake", "libnuma-dev",
+                "libpcap-dev"]
+        self.ovs_deploy.prerequisite()
+        mock_install_req_libs.assert_called_once_with(
+            self.ovs_deploy.connection, pkgs)
+
+    def test_ovs_deploy_no_file(self):
+        self.mock_path_isfile.return_value = False
+        mock_file = mock.Mock()
+        self.mock_path_join.return_value = mock_file
+
+        self.ovs_deploy.ovs_deploy()
+        self.mock_path_isfile.assert_called_once_with(mock_file)
+        self.mock_path_join.assert_called_once_with(
+            constants.YARDSTICK_ROOT_PATH,
+            'yardstick/resources/scripts/install/',
+            self.ovs_deploy.OVS_DEPLOY_SCRIPT)
+
+    @mock.patch.object(os.environ, 'get', return_value='test_proxy')
+    def test_ovs_deploy(self, mock_env_get):
+        self.mock_path_isfile.return_value = True
+        mock_deploy_file = mock.Mock()
+        mock_remove_ovs_deploy = mock.Mock()
+        self.mock_path_join.side_effect = [mock_deploy_file,
+                                           mock_remove_ovs_deploy]
+        dpdk_version = self.OVS_DETAILS['version']['dpdk']
+        ovs_version = self.OVS_DETAILS['version']['ovs']
+
+        with mock.patch.object(self.ovs_deploy.connection, 'put') as \
+                mock_put, \
+                mock.patch.object(self.ovs_deploy.connection, 'execute') as \
+                mock_execute, \
+                mock.patch.object(self.ovs_deploy, 'prerequisite'):
+            mock_execute.return_value = (0, 0, 0)
+            self.ovs_deploy.ovs_deploy()
+
+            self.mock_path_isfile.assert_called_once_with(mock_deploy_file)
+            self.mock_path_join.assert_has_calls([
+                mock.call(constants.YARDSTICK_ROOT_PATH,
+                          'yardstick/resources/scripts/install/',
+                          self.ovs_deploy.OVS_DEPLOY_SCRIPT),
+                mock.call(self.ovs_deploy.bin_path,
+                          self.ovs_deploy.OVS_DEPLOY_SCRIPT)
+            ])
+            mock_put.assert_called_once_with(mock_deploy_file,
+                                             mock_remove_ovs_deploy)
+            cmd = ("sudo -E %(remote_ovs_deploy)s --ovs='%(ovs_version)s' "
+                   "--dpdk='%(dpdk_version)s' -p='%(proxy)s'" %
+                   {'remote_ovs_deploy': mock_remove_ovs_deploy,
+                    'ovs_version': ovs_version,
+                    'dpdk_version': dpdk_version,
+                    'proxy': 'test_proxy'})
+            mock_execute.assert_called_once_with(cmd)
+            mock_env_get.assert_called_once_with('http_proxy', '')
diff --git a/yardstick/tests/unit/benchmark/contexts/standalone/test_ovs_dpdk.py b/yardstick/tests/unit/benchmark/contexts/standalone/test_ovs_dpdk.py
index 0223fd3ff..cc4747708 100644
--- a/yardstick/tests/unit/benchmark/contexts/standalone/test_ovs_dpdk.py
+++ b/yardstick/tests/unit/benchmark/contexts/standalone/test_ovs_dpdk.py
@@ -12,12 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import io
 import os
 
 import mock
+import six
 import unittest
 
+from yardstick.benchmark.contexts.standalone import model
 from yardstick.benchmark.contexts.standalone import ovs_dpdk
+from yardstick.common import exceptions
+from yardstick.network_services import utils
 
 
 class OvsDpdkContextTestCase(unittest.TestCase):
@@ -129,34 +134,45 @@ class OvsDpdkContextTestCase(unittest.TestCase):
        self.ovs_dpdk.wait_for_vswitchd = 0
        self.assertIsNone(self.ovs_dpdk.cleanup_ovs_dpdk_env())
 
-    @mock.patch('yardstick.benchmark.contexts.standalone.model.OvsDeploy')
-    def test_check_ovs_dpdk_env(self, mock_ovs):
-        with mock.patch("yardstick.ssh.SSH") as ssh:
-            ssh_mock = mock.Mock(autospec=ssh.SSH)
-            ssh_mock.execute = \
-                mock.Mock(return_value=(1, "a", ""))
-            ssh.return_value = ssh_mock
-            self.ovs_dpdk.connection = ssh_mock
-            self.ovs_dpdk.networks = self.NETWORKS
-            self.ovs_dpdk.ovs_properties = {
-                'version': {'ovs': '2.7.0', 'dpdk': '16.11.1'}
-            }
-            self.ovs_dpdk.wait_for_vswitchd = 0
-            self.ovs_dpdk.cleanup_ovs_dpdk_env = mock.Mock()
-            self.assertIsNone(self.ovs_dpdk.check_ovs_dpdk_env())
-            self.ovs_dpdk.ovs_properties = {
-                'version': {'ovs': '2.0.0'}
-            }
-            self.ovs_dpdk.wait_for_vswitchd = 0
-            self.cleanup_ovs_dpdk_env = mock.Mock()
-            mock_ovs.deploy = mock.Mock()
-            # NOTE(elfoley): Check for a specific Exception
-            self.assertRaises(Exception, self.ovs_dpdk.check_ovs_dpdk_env)
+    @mock.patch.object(ovs_dpdk.OvsDpdkContext, '_check_hugepages')
+    @mock.patch.object(utils, 'get_nsb_option')
+    @mock.patch.object(model.OvsDeploy, 'ovs_deploy')
+    def test_check_ovs_dpdk_env(self, mock_ovs_deploy, mock_get_nsb_option,
+                                mock_check_hugepages):
+        self.ovs_dpdk.connection = mock.Mock()
+        self.ovs_dpdk.connection.execute = mock.Mock(
+            return_value=(1, 0, 0))
+        self.ovs_dpdk.networks = self.NETWORKS
+        self.ovs_dpdk.ovs_properties = {
+            'version': {'ovs': '2.7.0', 'dpdk': '16.11.1'}
+        }
+        self.ovs_dpdk.wait_for_vswitchd = 0
+        self.ovs_dpdk.cleanup_ovs_dpdk_env = mock.Mock()
+        mock_get_nsb_option.return_value = 'fake_path'
+
+        self.ovs_dpdk.check_ovs_dpdk_env()
+        mock_ovs_deploy.assert_called_once()
+        mock_check_hugepages.assert_called_once()
+        mock_get_nsb_option.assert_called_once_with('bin_path')
+
+    @mock.patch.object(ovs_dpdk.OvsDpdkContext, '_check_hugepages')
+    def test_check_ovs_dpdk_env_wrong_version(self, mock_check_hugepages):
+        self.ovs_dpdk.connection = mock.Mock()
+        self.ovs_dpdk.connection.execute = mock.Mock(
+            return_value=(1, 0, 0))
+        self.ovs_dpdk.networks = self.NETWORKS
+        self.ovs_dpdk.ovs_properties = {
+            'version': {'ovs': '0.0.1', 'dpdk': '9.8.7'}
+        }
+        self.ovs_dpdk.wait_for_vswitchd = 0
+        self.ovs_dpdk.cleanup_ovs_dpdk_env = mock.Mock()
 
-    @mock.patch('yardstick.ssh.SSH')
-    def test_deploy(self, mock_ssh):
-        mock_ssh.execute.return_value = 0, "a", ""
+        with self.assertRaises(exceptions.OVSUnsupportedVersion):
+            self.ovs_dpdk.check_ovs_dpdk_env()
+        mock_check_hugepages.assert_called_once()
 
+    @mock.patch('yardstick.ssh.SSH')
+    def test_deploy(self, *args):
         self.ovs_dpdk.vm_deploy = False
         self.assertIsNone(self.ovs_dpdk.deploy())
 
@@ -174,21 +190,19 @@ class OvsDpdkContextTestCase(unittest.TestCase):
         # output.
         self.assertIsNone(self.ovs_dpdk.deploy())
 
-    @mock.patch('yardstick.benchmark.contexts.standalone.model.Libvirt')
-    @mock.patch('yardstick.ssh.SSH')
-    def test_undeploy(self, mock_ssh, *args):
-        mock_ssh.execute.return_value = 0, "a", ""
-
-        self.ovs_dpdk.vm_deploy = False
-        self.assertIsNone(self.ovs_dpdk.undeploy())
-
+    @mock.patch.object(model.Libvirt, 'check_if_vm_exists_and_delete')
+    def test_undeploy(self, mock_libvirt):
         self.ovs_dpdk.vm_deploy = True
-        self.ovs_dpdk.connection = mock_ssh
+        self.ovs_dpdk.connection = mock.Mock()
         self.ovs_dpdk.vm_names = ['vm_0', 'vm_1']
         self.ovs_dpdk.drivers = ['vm_0', 'vm_1']
         self.ovs_dpdk.cleanup_ovs_dpdk_env = mock.Mock()
         self.ovs_dpdk.networks = self.NETWORKS
-        self.assertIsNone(self.ovs_dpdk.undeploy())
+        self.ovs_dpdk.undeploy()
+        mock_libvirt.assert_has_calls([
+            mock.call(self.ovs_dpdk.vm_names[0], self.ovs_dpdk.connection),
+            mock.call(self.ovs_dpdk.vm_names[1], self.ovs_dpdk.connection)
+        ])
 
     def _get_file_abspath(self, filename):
         curr_path = os.path.dirname(os.path.abspath(__file__))
@@ -310,25 +324,25 @@ class OvsDpdkContextTestCase(unittest.TestCase):
         self.ovs_dpdk.get_vf_datas = mock.Mock(return_value="")
         self.assertIsNone(self.ovs_dpdk.configure_nics_for_ovs_dpdk())
 
-    @mock.patch('yardstick.benchmark.contexts.standalone.ovs_dpdk.Libvirt')
-    def test__enable_interfaces(self, *args):
-        with mock.patch("yardstick.ssh.SSH") as ssh:
-            ssh_mock = mock.Mock(autospec=ssh.SSH)
-            ssh_mock.execute = \
-                mock.Mock(return_value=(0, "a", ""))
-            ssh.return_value = ssh_mock
+    @mock.patch.object(model.Libvirt, 'add_ovs_interface')
+    def test__enable_interfaces(self, mock_add_ovs_interface):
         self.ovs_dpdk.vm_deploy = True
-        self.ovs_dpdk.connection = ssh_mock
+        self.ovs_dpdk.connection = mock.Mock()
         self.ovs_dpdk.vm_names = ['vm_0', 'vm_1']
         self.ovs_dpdk.drivers = []
         self.ovs_dpdk.networks = self.NETWORKS
+        self.ovs_dpdk.ovs_properties = {'vpath': 'fake_path'}
         self.ovs_dpdk.get_vf_datas = mock.Mock(return_value="")
-        self.assertIsNone(self.ovs_dpdk._enable_interfaces(
-            0, ["private_0"], 'test'))
-
-    @mock.patch('yardstick.benchmark.contexts.standalone.model.Server')
-    @mock.patch('yardstick.benchmark.contexts.standalone.ovs_dpdk.Libvirt')
-    def test_setup_ovs_dpdk_context(self, mock_libvirt, *args):
+        self.ovs_dpdk._enable_interfaces(0, ["private_0"], 'test')
+        mock_add_ovs_interface.assert_called_once_with(
+            'fake_path', 0, self.NETWORKS['private_0']['vpci'],
+            self.NETWORKS['private_0']['mac'], 'test')
+
+    @mock.patch.object(model.Libvirt, 'build_vm_xml')
+    @mock.patch.object(model.Libvirt, 'check_if_vm_exists_and_delete')
+    @mock.patch.object(model.Libvirt, 'virsh_create_vm')
+    def test_setup_ovs_dpdk_context(self, mock_create_vm, mock_check_if_exists,
+                                    mock_build_xml):
         with mock.patch("yardstick.ssh.SSH") as ssh:
             ssh_mock = mock.Mock(autospec=ssh.SSH)
             ssh_mock.execute = \
@@ -353,11 +367,63 @@ class OvsDpdkContextTestCase(unittest.TestCase):
         self.ovs_dpdk.host_mgmt = {}
         self.ovs_dpdk.flavor = {}
         self.ovs_dpdk.configure_nics_for_ovs_dpdk = mock.Mock(return_value="")
-        mock_libvirt.build_vm_xml.return_value = [6, "00:00:00:00:00:01"]
+        mock_build_xml.return_value = [6, "00:00:00:00:00:01"]
         self.ovs_dpdk._enable_interfaces = mock.Mock(return_value="")
-        mock_libvirt.virsh_create_vm.return_value = ""
-        mock_libvirt.pin_vcpu_for_perf.return_value = ""
+        vnf_instance = mock.Mock()
         self.ovs_dpdk.vnf_node.generate_vnf_instance = mock.Mock(
-            return_value={})
-
-        self.assertIsNotNone(self.ovs_dpdk.setup_ovs_dpdk_context())
+            return_value=vnf_instance)
+
+        self.assertEqual([vnf_instance],
+                         self.ovs_dpdk.setup_ovs_dpdk_context())
+        mock_create_vm.assert_called_once_with(
+            self.ovs_dpdk.connection, '/tmp/vm_ovs_0.xml')
+        mock_check_if_exists.assert_called_once_with(
+            'vm_0', self.ovs_dpdk.connection)
+        mock_build_xml.assert_called_once_with(
+            self.ovs_dpdk.connection, self.ovs_dpdk.vm_flavor,
+            '/tmp/vm_ovs_0.xml', 'vm_0', 0)
+
+    @mock.patch.object(io, 'BytesIO')
+    def test__check_hugepages(self, mock_bytesio):
+        data = six.BytesIO('HugePages_Total:      20\n'
+                           'HugePages_Free:       20\n'
+                           'HugePages_Rsvd:        0\n'
+                           'HugePages_Surp:        0\n'
+                           'Hugepagesize:    1048576 kB'.encode())
+        mock_bytesio.return_value = data
+        self.ovs_dpdk.connection = mock.Mock()
+        self.ovs_dpdk._check_hugepages()
+
+    @mock.patch.object(io, 'BytesIO')
+    def test__check_hugepages_no_info(self, mock_bytesio):
+        data = six.BytesIO(''.encode())
+        mock_bytesio.return_value = data
+        self.ovs_dpdk.connection = mock.Mock()
+        with self.assertRaises(exceptions.OVSHugepagesInfoError):
+            self.ovs_dpdk._check_hugepages()
+
+    @mock.patch.object(io, 'BytesIO')
+    def test__check_hugepages_no_total_hp(self, mock_bytesio):
+        data = six.BytesIO('HugePages_Total:       0\n'
+                           'HugePages_Free:        0\n'
+                           'HugePages_Rsvd:        0\n'
+                           'HugePages_Surp:        0\n'
+                           'Hugepagesize:    1048576 kB'.encode())
+        mock_bytesio.return_value = data
+        self.ovs_dpdk.connection = mock.Mock()
+        with self.assertRaises(exceptions.OVSHugepagesNotConfigured):
+            self.ovs_dpdk._check_hugepages()
+
+    @mock.patch.object(io, 'BytesIO')
+    def test__check_hugepages_no_free_hp(self, mock_bytesio):
+        data = six.BytesIO('HugePages_Total:      20\n'
+                           'HugePages_Free:        0\n'
+                           'HugePages_Rsvd:        0\n'
+                           'HugePages_Surp:        0\n'
+                           'Hugepagesize:    1048576 kB'.encode())
+        mock_bytesio.return_value = data
+        self.ovs_dpdk.connection = mock.Mock()
+        with self.assertRaises(exceptions.OVSHugepagesZeroFree) as exc:
+            self.ovs_dpdk._check_hugepages()
+        self.assertEqual('There are no HugePages free in this system. Total '
+                         'HugePages configured: 20', exc.exception.msg)