Fix exception handling ixload

Ixload uses its own version of python
By default it will fail to import yardstick.common exceptions.
For this reason for this reason ixload exceptions should be kept
in http_ixload.py

JIRA: YARDSTICK-1587

Change-Id: I5673fb5b89bbcdf4d3c60c283231d44d770999ec
Signed-off-by: John O Loughlin <john.oloughlin@intel.com>

3 files changed, 27 insertions, 28 deletions

diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index f62f02f18..952c62394 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2017 Intel Corporation
+# Copyright (c) 2017-2019 Intel Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -83,10 +83,6 @@ class InvalidType(YardstickException):
     message = 'Type "%(type_to_convert)s" is not valid'
 
 
-class InvalidRxfFile(YardstickException):
-    message = 'Loaded rxf file has unexpected format'
-
-
 class InfluxDBConfigurationMissing(YardstickException):
     message = ('InfluxDB configuration is not available. Add "influxdb" as '
                'a dispatcher and the configuration section')
diff --git a/yardstick/network_services/traffic_profile/http_ixload.py b/yardstick/network_services/traffic_profile/http_ixload.py
index b88aadff7..ec0762500 100644
--- a/yardstick/network_services/traffic_profile/http_ixload.py
+++ b/yardstick/network_services/traffic_profile/http_ixload.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2016-2017 Intel Corporation
+# 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.
@@ -16,14 +16,6 @@ import sys
 import os
 import logging
 import collections
-import subprocess
-try:
-    libs = subprocess.check_output(
-        'python -c "import site; print(site.getsitepackages())"', shell=True)
-
-    sys.path.extend(libs[1:-1].replace("'", "").split(','))
-except subprocess.CalledProcessError:
-    pass
 
 # ixload uses its own py2. So importing jsonutils fails. So adding below
 # workaround to support call from yardstick
@@ -32,14 +24,26 @@ try:
 except ImportError:
     import json as jsonutils
 
-from yardstick.common import exceptions #pylint: disable=wrong-import-position
+
+class ErrorClass(object):
+
+    def __init__(self, *args, **kwargs):
+        if 'test' not in kwargs:
+            raise RuntimeError
+
+    def __getattr__(self, item):
+        raise AttributeError
+
+
+class InvalidRxfFile(Exception):
+    message = 'Loaded rxf file has unexpected format'
+
 
 try:
     from IxLoad import IxLoad, StatCollectorUtils
 except ImportError:
-    IxLoad = exceptions.ErrorClass
-    StatCollectorUtils = exceptions.ErrorClass
-
+    IxLoad = ErrorClass
+    StatCollectorUtils = ErrorClass
 
 LOG = logging.getLogger(__name__)
 CSV_FILEPATH_NAME = 'IxL_statResults.csv'
@@ -205,7 +209,7 @@ class IXLOADHttpTest(object):
                 ipAddress=address,
                 gatewayAddress=gateway)
         except Exception:
-            raise exceptions.InvalidRxfFile
+            raise InvalidRxfFile
 
     def update_network_mac_address(self, net_traffic, mac):
         """Update MACaddress for net_traffic object
@@ -233,7 +237,7 @@ class IXLOADHttpTest(object):
                     "MacRange")
                 mac_range.config(mac=mac)
         except Exception:
-            raise exceptions.InvalidRxfFile
+            raise InvalidRxfFile
 
     def update_network_param(self, net_traffic, param):
         """Update net_traffic by parameters specified in param"""
@@ -301,7 +305,7 @@ class IXLOADHttpTest(object):
             ix_http_command = activity.agent.actionList[0]
             ix_http_command.config(pageObject=page_object)
         except Exception:
-            raise exceptions.InvalidRxfFile
+            raise InvalidRxfFile
 
     def update_user_count(self, net_traffic, user_count):
         """Update userObjectiveValue field in activity object in net_traffic
@@ -318,7 +322,7 @@ class IXLOADHttpTest(object):
             activity = net_traffic.activityList[0]
             activity.config(userObjectiveValue=user_count)
         except Exception:
-            raise exceptions.InvalidRxfFile
+            raise InvalidRxfFile
 
     def start_http_test(self):
         self.ix_load = IxLoad()
diff --git a/yardstick/tests/unit/network_services/traffic_profile/test_http_ixload.py b/yardstick/tests/unit/network_services/traffic_profile/test_http_ixload.py
index c9be200b2..996360c2e 100644
--- a/yardstick/tests/unit/network_services/traffic_profile/test_http_ixload.py
+++ b/yardstick/tests/unit/network_services/traffic_profile/test_http_ixload.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2017 Intel Corporation
+# Copyright (c) 2017-2019 Intel Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,7 +17,6 @@ import mock
 
 from oslo_serialization import jsonutils
 
-from yardstick.common import exceptions
 from yardstick.network_services.traffic_profile import http_ixload
 from yardstick.network_services.traffic_profile.http_ixload import \
     join_non_strings, validate_non_string_sequence
@@ -288,7 +287,7 @@ class TestIxLoadTrafficGen(unittest.TestCase):
 
         net_traffic.network.getL1Plugin.return_value = Exception
 
-        with self.assertRaises(exceptions.InvalidRxfFile):
+        with self.assertRaises(http_ixload.InvalidRxfFile):
             ixload.update_network_mac_address(net_traffic, "auto")
 
     def test_update_network_address(self):
@@ -312,7 +311,7 @@ class TestIxLoadTrafficGen(unittest.TestCase):
 
         net_traffic.network.getL1Plugin.return_value = Exception
 
-        with self.assertRaises(exceptions.InvalidRxfFile):
+        with self.assertRaises(http_ixload.InvalidRxfFile):
             ixload.update_network_address(net_traffic, "address", "gateway",
                                           "prefix")
 
@@ -375,7 +374,7 @@ class TestIxLoadTrafficGen(unittest.TestCase):
             pageObject="page_object")
 
         net_traffic.activityList = []
-        with self.assertRaises(exceptions.InvalidRxfFile):
+        with self.assertRaises(http_ixload.InvalidRxfFile):
             ixload.update_page_size(net_traffic, "page_object")
 
     def test_update_user_count(self):
@@ -390,7 +389,7 @@ class TestIxLoadTrafficGen(unittest.TestCase):
         activity.config.assert_called_once_with(userObjectiveValue=123)
 
         net_traffic.activityList = []
-        with self.assertRaises(exceptions.InvalidRxfFile):
+        with self.assertRaises(http_ixload.InvalidRxfFile):
             ixload.update_user_count(net_traffic, 123)
 
     @mock.patch('yardstick.network_services.traffic_profile.http_ixload.IxLoad')