# limitations under the License.
import logging
+import decimal
from multiprocessing import Queue, Value, Process
-
import os
import posixpath
import re
-import six
+import uuid
import subprocess
import time
+
from trex_stl_lib.trex_stl_client import LoggerApi
from trex_stl_lib.trex_stl_client import STLClient
from trex_stl_lib.trex_stl_exceptions import STLError
self.used_drivers = None
self.dpdk_bind_helper = DpdkBindHelper(ssh_helper)
- def _setup_hugepages(self):
- meminfo = utils.read_meminfo(self.ssh_helper)
- hp_size_kb = int(meminfo['Hugepagesize'])
- hugepages_gb = self.scenario_helper.all_options.get('hugepages_gb', 16)
- nr_hugepages = int(abs(hugepages_gb * 1024 * 1024 / hp_size_kb))
- self.ssh_helper.execute('echo %s | sudo tee %s' %
- (nr_hugepages, self.NR_HUGEPAGES_PATH))
- hp = six.BytesIO()
- self.ssh_helper.get_file_obj(self.NR_HUGEPAGES_PATH, hp)
- nr_hugepages_set = int(hp.getvalue().decode('utf-8').splitlines()[0])
- LOG.info('Hugepages size (kB): %s, number claimed: %s, number set: %s',
- hp_size_kb, nr_hugepages, nr_hugepages_set)
-
def build_config(self):
vnf_cfg = self.scenario_helper.vnf_cfg
task_path = self.scenario_helper.task_path
def _setup_dpdk(self):
"""Setup DPDK environment needed for VNF to run"""
- self._setup_hugepages()
+ hugepages_gb = self.scenario_helper.all_options.get('hugepages_gb', 16)
+ utils.setup_hugepages(self.ssh_helper, hugepages_gb * 1024 * 1024)
self.dpdk_bind_helper.load_dpdk_driver()
exit_status = self.dpdk_bind_helper.check_dpdk_driver()
time.sleep(self.QUEUE_WAIT_TIME)
self._queue.put(samples)
- def run_traffic(self, traffic_profile):
+ def run_traffic(self, traffic_profile, mq_producer):
# if we don't do this we can hang waiting for the queue to drain
# have to do this in the subprocess
self._queue.cancel_join_thread()
# fixme: fix passing correct trex config file,
# instead of searching the default path
+ mq_producer.tg_method_started()
try:
self._build_ports()
self.client = self._connect()
self.client.remove_all_streams(self.all_ports) # remove all streams
traffic_profile.register_generator(self)
+ iteration_index = 0
while self._terminated.value == 0:
- self._run_traffic_once(traffic_profile)
+ iteration_index += 1
+ if self._run_traffic_once(traffic_profile):
+ self._terminated.value = 1
+ mq_producer.tg_method_iteration(iteration_index)
self.client.stop(self.all_ports)
self.client.disconnect()
return # return if trex/tg server is stopped.
raise
+ mq_producer.tg_method_finished()
+
def terminate(self):
self._terminated.value = 1 # stop client
self._rfc2544 = None
self._tolerance_low = None
self._tolerance_high = None
+ self._tolerance_precision = None
@property
def rfc2544(self):
self.get_rfc_tolerance()
return self._tolerance_high
+ @property
+ def tolerance_precision(self):
+ if self._tolerance_precision is None:
+ self.get_rfc_tolerance()
+ return self._tolerance_precision
+
@property
def correlated_traffic(self):
if self._correlated_traffic is None:
def get_rfc_tolerance(self):
tolerance_str = self.get_rfc2544('allowed_drop_rate', self.DEFAULT_TOLERANCE)
- tolerance_iter = iter(sorted(float(t.strip()) for t in tolerance_str.split('-')))
- self._tolerance_low = next(tolerance_iter)
- self._tolerance_high = next(tolerance_iter, self.tolerance_low)
+ tolerance_iter = iter(sorted(
+ decimal.Decimal(t.strip()) for t in tolerance_str.split('-')))
+ tolerance_low = next(tolerance_iter)
+ tolerance_high = next(tolerance_iter, tolerance_low)
+ self._tolerance_precision = abs(tolerance_high.as_tuple().exponent)
+ self._tolerance_high = float(tolerance_high)
+ self._tolerance_low = float(tolerance_low)
class SampleVNFDeployHelper(object):
test_timeout = self.options.get('timeout', constants.DEFAULT_VNF_TIMEOUT)
return test_duration if test_duration > test_timeout else test_timeout
+
class SampleVNF(GenericVNF):
""" Class providing file-like API for generic VNF implementation """
APP_NAME = "SampleVNF"
# we run the VNF interactively, so the ssh command will timeout after this long
- def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
- super(SampleVNF, self).__init__(name, vnfd)
+ def __init__(self, name, vnfd, task_id, setup_env_helper_type=None,
+ resource_helper_type=None):
+ super(SampleVNF, self).__init__(name, vnfd, task_id)
self.bin_path = get_nsb_option('bin_path', '')
self.scenario_helper = ScenarioHelper(self.name)
APP_NAME = 'Sample'
RUN_WAIT = 1
- def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
- super(SampleVNFTrafficGen, self).__init__(name, vnfd)
+ def __init__(self, name, vnfd, task_id, setup_env_helper_type=None,
+ resource_helper_type=None):
+ super(SampleVNFTrafficGen, self).__init__(name, vnfd, task_id)
self.bin_path = get_nsb_option('bin_path', '')
self.scenario_helper = ScenarioHelper(self.name)
LOG.info("%s TG Server is up and running.", self.APP_NAME)
return self._tg_process.exitcode
- def _traffic_runner(self, traffic_profile):
+ def _traffic_runner(self, traffic_profile, mq_id):
# always drop connections first thing in new processes
# so we don't get paramiko errors
self.ssh_helper.drop_connection()
LOG.info("Starting %s client...", self.APP_NAME)
- self.resource_helper.run_traffic(traffic_profile)
+ self._mq_producer = self._setup_mq_producer(mq_id)
+ self.resource_helper.run_traffic(traffic_profile, self._mq_producer)
def run_traffic(self, traffic_profile):
""" Generate traffic on the wire according to the given params.
:param traffic_profile:
:return: True/False
"""
- name = "{}-{}-{}-{}".format(self.name, self.APP_NAME, traffic_profile.__class__.__name__,
+ name = '{}-{}-{}-{}'.format(self.name, self.APP_NAME,
+ traffic_profile.__class__.__name__,
os.getpid())
- self._traffic_process = Process(name=name, target=self._traffic_runner,
- args=(traffic_profile,))
+ self._traffic_process = Process(
+ name=name, target=self._traffic_runner,
+ args=(traffic_profile, uuid.uuid1().int))
self._traffic_process.start()
# Wait for traffic process to start
while self.resource_helper.client_started.value == 0:
if not self._traffic_process.is_alive():
break
- return self._traffic_process.is_alive()
-
def collect_kpi(self):
# check if the tg processes have exited
physical_node = Context.get_physical_node_from_server(
Code Review / yardstick.git / blobdiff