def run(self, output):
""" Run experiment
:param output: scenario output to push results
:return: None
"""
self._fill_traffic_profile()
traffic_runners = [vnf for vnf in self.vnfs if vnf.runs_traffic]
for traffic_gen in traffic_runners:
traffic_gen.listen_traffic(self.traffic_profile)
self.collector = Collector(self.vnfs,
context_base.Context.get_physical_nodes())
self.collector.start()
for traffic_gen in traffic_runners:
LOG.info("Run traffic on %s", traffic_gen.name)
traffic_gen.run_traffic(self.traffic_profile)
output.push(self.collector.get_kpi())
self.collector.stop()
def setup(self):
""" Setup infrastructure, provission VNFs & start traffic
:return:
"""
# 1. Verify if infrastructure mapping can meet topology
self.map_topology_to_infrastructure()
# 1a. Load VNF models
self.load_vnf_models()
# 1b. Fill traffic profile with information from topology
self._fill_traffic_profile()
# 2. Provision VNFs
# link events will cause VNF application to exit
# so we should start traffic runners before VNFs
traffic_runners = [vnf for vnf in self.vnfs if vnf.runs_traffic]
non_traffic_runners = [
vnf for vnf in self.vnfs if not vnf.runs_traffic
]
try:
for vnf in chain(traffic_runners, non_traffic_runners):
LOG.info("Instantiating %s", vnf.name)
vnf.instantiate(self.scenario_cfg, self.context_cfg)
LOG.info("Waiting for %s to instantiate", vnf.name)
vnf.wait_for_instantiate()
except:
LOG.exception("")
for vnf in self.vnfs:
vnf.terminate()
raise
# we have to generate pod.yaml here after VNF has probed so we know vpci and driver
self._generate_pod_yaml()
# 3. Run experiment
# Start listeners first to avoid losing packets
for traffic_gen in traffic_runners:
traffic_gen.listen_traffic(self.traffic_profile)
# register collector with yardstick for KPI collection.
self.collector = Collector(self.vnfs,
context_base.Context.get_physical_nodes())
self.collector.start()
# Start the actual traffic
for traffic_gen in traffic_runners:
LOG.info("Starting traffic on %s", traffic_gen.name)
traffic_gen.run_traffic(self.traffic_profile)
def setup(self):
""" Setup infrastructure, provission VNFs & start traffic
:return:
"""
# 1. Verify if infrastructure mapping can meet topology
self.map_topology_to_infrastructure(self.context_cfg, self.topology)
# 1a. Load VNF models
self.vnfs = self.load_vnf_models(self.context_cfg)
# 1b. Fill traffic profile with information from topology
self.traffic_profile = self._fill_traffic_profile(
self.scenario_cfg, self.context_cfg)
# 2. Provision VNFs
try:
for vnf in self.vnfs:
LOG.info("Instantiating %s", vnf.name)
vnf.instantiate(self.scenario_cfg, self.context_cfg)
except RuntimeError:
for vnf in self.vnfs:
vnf.terminate()
raise
# 3. Run experiment
# Start listeners first to avoid losing packets
traffic_runners = [vnf for vnf in self.vnfs if vnf.runs_traffic]
for traffic_gen in traffic_runners:
traffic_gen.listen_traffic(self.traffic_profile)
# register collector with yardstick for KPI collection.
self.collector = Collector(self.vnfs, self.traffic_profile)
self.collector.start()
# Start the actual traffic
for traffic_gen in traffic_runners:
LOG.info("Starting traffic on %s", traffic_gen.name)
traffic_gen.run_traffic(self.traffic_profile)
def run(self, output):
""" Run experiment
:param output: scenario output to push results
:return: None
"""
self._fill_traffic_profile()
traffic_runners = [vnf for vnf in self.vnfs if vnf.runs_traffic]
for traffic_gen in traffic_runners:
traffic_gen.listen_traffic(self.traffic_profile)
self.collector = Collector(self.vnfs,
context_base.Context.get_physical_nodes())
self.collector.start()
test_completed = False
while not test_completed:
for traffic_gen in traffic_runners:
LOG.info("Run traffic on %s", traffic_gen.name)
traffic_gen.run_traffic_once(self.traffic_profile)
test_completed = True
for traffic_gen in traffic_runners:
# wait for all tg to complete running traffic
status = traffic_gen.wait_on_traffic()
LOG.info("Run traffic on %s complete status=%s",
traffic_gen.name, status)
if status == 'CONTINUE':
# continue running if at least one tg is running
test_completed = False
output.push(self.collector.get_kpi())
self.collector.stop()