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authorRodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>2018-07-19 12:30:59 +0100
committerRodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>2018-07-20 13:48:29 +0000
commit02f4147b37e6ed4fb8a0f7f344e3b9b50a06b0b2 (patch)
tree3d500cea3f3e0e28a323dba75a3978726f270d61
parent5b37f2eb188c390ce6942940e0ad9f33900dafd5 (diff)
Accept line rate percentage or fps a initial rate for IXIA RFC2544
Accept line rate percentage or fps a initial rate for IXIA RFC2544 traffic profile: traffic_profile: traffic_type : IXIARFC2544Profile frame_rate : 100% traffic_profile: traffic_type : IXIARFC2544Profile frame_rate : 5000fps JIRA: YARDSTICK-1336 Change-Id: I85b3dd0daf563bb7af098a3aa5bb872961fb009b Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>
-rw-r--r--yardstick/common/exceptions.py6
-rw-r--r--yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py12
-rw-r--r--yardstick/network_services/traffic_profile/base.py32
-rw-r--r--yardstick/network_services/traffic_profile/ixia_rfc2544.py24
-rw-r--r--yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py12
-rw-r--r--yardstick/tests/unit/network_services/traffic_profile/test_base.py21
6 files changed, 83 insertions, 24 deletions
diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index cbb294989..2e6cbdd7b 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -85,7 +85,6 @@ class InfluxDBConfigurationMissing(YardstickException):
class YardstickBannedModuleImported(YardstickException):
- # pragma: no cover
message = 'Module "%(module)s" cannnot be imported. Reason: "%(reason)s"'
@@ -95,7 +94,6 @@ class PayloadMissingAttributes(YardstickException):
class HeatTemplateError(YardstickException):
- """Error in Heat during the stack deployment"""
message = ('Error in Heat during the creation of the OpenStack stack '
'"%(stack_name)s"')
@@ -108,6 +106,10 @@ class TrafficProfileNotImplemented(YardstickException):
message = 'No implementation for traffic profile %(profile_class)s.'
+class TrafficProfileRate(YardstickException):
+ message = 'Traffic profile rate must be "<number>[fps|%]"'
+
+
class DPDKSetupDriverError(YardstickException):
message = '"igb_uio" driver is not loaded'
diff --git a/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py b/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
index 74deeecb5..cee768dba 100644
--- a/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
+++ b/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
@@ -18,6 +18,7 @@ import IxNetwork
from yardstick.common import exceptions
from yardstick.common import utils
+from yardstick.network_services.traffic_profile import base as tp_base
log = logging.getLogger(__name__)
@@ -336,8 +337,8 @@ class IxNextgen(object): # pragma: no cover
- Duration: in case of traffic_type="fixedDuration", amount of seconds
to inject traffic.
- Rate: in frames per seconds or percentage.
- - Type of rate: "framesPerSecond" ("bitsPerSecond" and
- "percentLineRate" no used)
+ - Type of rate: "framesPerSecond" or "percentLineRate" ("bitsPerSecond"
+ no used)
- Frame size: custom IMIX [1] definition; a list of packet size in
bytes and the weight. E.g.:
[[64, 64, 10], [128, 128, 15], [512, 512, 5]]
@@ -355,7 +356,10 @@ class IxNextgen(object): # pragma: no cover
type = traffic_param.get('traffic_type', 'fixedDuration')
duration = traffic_param.get('duration', 30)
- rate = traffic_param['iload']
+ rate = traffic_param['rate']
+ rate_unit = (
+ 'framesPerSecond' if traffic_param['rate_unit'] ==
+ tp_base.TrafficProfileConfig.RATE_FPS else 'percentLineRate')
weighted_range_pairs = self._parse_framesize(
traffic_param['outer_l2']['framesize'])
srcmac = str(traffic_param.get('srcmac', '00:00:00:00:00:01'))
@@ -370,7 +374,7 @@ class IxNextgen(object): # pragma: no cover
'-type', type, '-duration', duration)
self.ixnet.setMultiAttribute(
config_element + '/frameRate',
- '-rate', rate, '-type', 'framesPerSecond')
+ '-rate', rate, '-type', rate_unit)
self.ixnet.setMultiAttribute(
config_element + '/frameSize',
'-type', 'weightedPairs',
diff --git a/yardstick/network_services/traffic_profile/base.py b/yardstick/network_services/traffic_profile/base.py
index f4b5b178c..a8f950b7b 100644
--- a/yardstick/network_services/traffic_profile/base.py
+++ b/yardstick/network_services/traffic_profile/base.py
@@ -12,6 +12,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+import re
+
from yardstick.common import exceptions
from yardstick.common import utils
@@ -21,10 +23,12 @@ class TrafficProfileConfig(object):
This object will parse and validate the traffic profile information.
"""
-
DEFAULT_SCHEMA = 'nsb:traffic_profile:0.1'
- DEFAULT_FRAME_RATE = 100
+ DEFAULT_FRAME_RATE = '100'
DEFAULT_DURATION = 30
+ RATE_FPS = 'fps'
+ RATE_PERCENTAGE = '%'
+ RATE_REGEX = re.compile(r'([0-9]*\.[0-9]+|[0-9]+)\s*(fps|%)*(.*)')
def __init__(self, tp_config):
self.schema = tp_config.get('schema', self.DEFAULT_SCHEMA)
@@ -32,7 +36,8 @@ class TrafficProfileConfig(object):
self.description = tp_config.get('description')
tprofile = tp_config['traffic_profile']
self.traffic_type = tprofile.get('traffic_type')
- self.frame_rate = tprofile.get('frame_rate', self.DEFAULT_FRAME_RATE)
+ self.frame_rate, self.rate_unit = self._parse_rate(
+ tprofile.get('frame_rate', self.DEFAULT_FRAME_RATE))
self.test_precision = tprofile.get('test_precision')
self.packet_sizes = tprofile.get('packet_sizes')
self.duration = tprofile.get('duration', self.DEFAULT_DURATION)
@@ -40,6 +45,27 @@ class TrafficProfileConfig(object):
self.upper_bound = tprofile.get('upper_bound')
self.step_interval = tprofile.get('step_interval')
+ def _parse_rate(self, rate):
+ """Parse traffic profile rate
+
+ The line rate can be defined in fps or percentage over the maximum line
+ rate:
+ - frame_rate = 5000 (by default, unit is 'fps')
+ - frame_rate = 5000fps
+ - frame_rate = 25%
+
+ :param rate: (string, int) line rate in fps or %
+ :return: (tuple: int, string) line rate number and unit
+ """
+ match = self.RATE_REGEX.match(str(rate))
+ if not match:
+ exceptions.TrafficProfileRate()
+ rate = float(match.group(1))
+ unit = match.group(2) if match.group(2) else self.RATE_FPS
+ if match.group(3):
+ raise exceptions.TrafficProfileRate()
+ return rate, unit
+
class TrafficProfile(object):
"""
diff --git a/yardstick/network_services/traffic_profile/ixia_rfc2544.py b/yardstick/network_services/traffic_profile/ixia_rfc2544.py
index 39336785e..7d54ec4ab 100644
--- a/yardstick/network_services/traffic_profile/ixia_rfc2544.py
+++ b/yardstick/network_services/traffic_profile/ixia_rfc2544.py
@@ -14,13 +14,14 @@
import logging
-from yardstick.network_services.traffic_profile.trex_traffic_profile import \
- TrexProfile
+from yardstick.network_services.traffic_profile import base as tp_base
+from yardstick.network_services.traffic_profile import trex_traffic_profile
+
LOG = logging.getLogger(__name__)
-class IXIARFC2544Profile(TrexProfile):
+class IXIARFC2544Profile(trex_traffic_profile.TrexProfile):
UPLINK = 'uplink'
DOWNLINK = 'downlink'
@@ -28,11 +29,10 @@ class IXIARFC2544Profile(TrexProfile):
def __init__(self, yaml_data):
super(IXIARFC2544Profile, self).__init__(yaml_data)
self.rate = self.config.frame_rate
+ self.rate_unit = self.config.rate_unit
def _get_ixia_traffic_profile(self, profile_data, mac=None):
- if mac is None:
- mac = {}
-
+ mac = {} if mac is None else mac
result = {}
for traffickey, values in profile_data.items():
if not traffickey.startswith((self.UPLINK, self.DOWNLINK)):
@@ -58,8 +58,9 @@ class IXIARFC2544Profile(TrexProfile):
result[traffickey] = {
'bidir': False,
- 'iload': '100',
'id': port_id,
+ 'rate': self.rate,
+ 'rate_unit': self.rate_unit,
'outer_l2': {
'framesize': value['outer_l2']['framesize'],
'framesPerSecond': True,
@@ -83,9 +84,6 @@ class IXIARFC2544Profile(TrexProfile):
return result
def _ixia_traffic_generate(self, traffic, ixia_obj):
- for key, value in traffic.items():
- if key.startswith((self.UPLINK, self.DOWNLINK)):
- value['iload'] = str(self.rate)
ixia_obj.update_frame(traffic)
ixia_obj.update_ip_packet(traffic)
ixia_obj.start_traffic()
@@ -114,7 +112,7 @@ class IXIARFC2544Profile(TrexProfile):
self.pg_id = 0
self.update_traffic_profile(traffic_generator)
self.max_rate = self.rate
- self.min_rate = 0
+ self.min_rate = 0.0
else:
self.rate = round(float(self.max_rate + self.min_rate) / 2.0, 2)
@@ -150,8 +148,10 @@ class IXIARFC2544Profile(TrexProfile):
samples['DropPercentage'] = drop_percent
if first_run:
- self.rate = out_packets_sum / duration / num_ifaces
completed = True if drop_percent <= tolerance else False
+ if (first_run and
+ self.rate_unit == tp_base.TrafficProfileConfig.RATE_FPS):
+ self.rate = out_packets_sum / duration / num_ifaces
if drop_percent > tolerance:
self.max_rate = self.rate
diff --git a/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py b/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
index 541855aa8..afa4cc3dc 100644
--- a/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
+++ b/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
@@ -28,7 +28,8 @@ TRAFFIC_PARAMETERS = {
'id': 1,
'bidir': 'False',
'duration': 60,
- 'iload': '100',
+ 'rate': 10000.5,
+ 'rate_unit': 'fps',
'outer_l2': {
'framesize': {'64B': '25', '256B': '75'}
},
@@ -65,7 +66,8 @@ TRAFFIC_PARAMETERS = {
'id': 2,
'bidir': 'False',
'duration': 60,
- 'iload': '100',
+ 'rate': 75.2,
+ 'rate_unit': '%',
'outer_l2': {
'framesize': {'128B': '35', '1024B': '65'}
},
@@ -396,6 +398,12 @@ class TestIxNextgen(unittest.TestCase):
self.assertEqual(6, len(ixnet_gen.ixnet.setMultiAttribute.mock_calls))
self.assertEqual(4, len(mock_update_frame.mock_calls))
+ ixnet_gen.ixnet.setMultiAttribute.assert_has_calls(
+ [mock.call('cfg_element/frameRate', '-rate', 10000.5,
+ '-type', 'framesPerSecond'),
+ mock.call('cfg_element/frameRate', '-rate', 75.2, '-type',
+ 'percentLineRate')],
+ any_order=True)
def test_update_frame_flow_not_present(self):
ixnet_gen = ixnet_api.IxNextgen()
diff --git a/yardstick/tests/unit/network_services/traffic_profile/test_base.py b/yardstick/tests/unit/network_services/traffic_profile/test_base.py
index 55276af58..2a366fc94 100644
--- a/yardstick/tests/unit/network_services/traffic_profile/test_base.py
+++ b/yardstick/tests/unit/network_services/traffic_profile/test_base.py
@@ -82,7 +82,26 @@ class TrafficProfileConfigTestCase(unittest.TestCase):
self.assertEqual({'64B': 100}, tp_config_obj.packet_sizes)
self.assertEqual(base.TrafficProfileConfig.DEFAULT_SCHEMA,
tp_config_obj.schema)
- self.assertEqual(base.TrafficProfileConfig.DEFAULT_FRAME_RATE,
+ self.assertEqual(float(base.TrafficProfileConfig.DEFAULT_FRAME_RATE),
tp_config_obj.frame_rate)
self.assertEqual(base.TrafficProfileConfig.DEFAULT_DURATION,
tp_config_obj.duration)
+
+ def test__parse_rate(self):
+ tp_config = {'traffic_profile': {'packet_sizes': {'64B': 100}}}
+ tp_config_obj = base.TrafficProfileConfig(tp_config)
+ self.assertEqual((100.0, 'fps'), tp_config_obj._parse_rate('100 '))
+ self.assertEqual((200.5, 'fps'), tp_config_obj._parse_rate('200.5'))
+ self.assertEqual((300.8, 'fps'), tp_config_obj._parse_rate('300.8fps'))
+ self.assertEqual((400.2, 'fps'),
+ tp_config_obj._parse_rate('400.2 fps'))
+ self.assertEqual((500.3, '%'), tp_config_obj._parse_rate('500.3%'))
+ self.assertEqual((600.1, '%'), tp_config_obj._parse_rate('600.1 %'))
+
+ def test__parse_rate_exception(self):
+ tp_config = {'traffic_profile': {'packet_sizes': {'64B': 100}}}
+ tp_config_obj = base.TrafficProfileConfig(tp_config)
+ with self.assertRaises(exceptions.TrafficProfileRate):
+ tp_config_obj._parse_rate('100Fps')
+ with self.assertRaises(exceptions.TrafficProfileRate):
+ tp_config_obj._parse_rate('100 kbps')