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##############################################################################
# Copyright (c) 2018 Spirent Communications and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import base64
import copy
import logging
import os
import shutil
import threading
from time import sleep
import uuid
import requests
from stcrestclient import stchttp
class Stcv2Net1Stack(object):
ADMIN_NETWORK_NAME = "admin"
ADMIN_SUBNET_ADDR = "50.50.50.0/24"
ADMIN_GW_IP = "50.50.50.1"
TST_NETWORK_NAME = "tst"
TST_SUBNET_ADDR = "192.168.0.0/24"
TST_GW_IP = "192.168.0.1"
ROUTER_NAME = "router"
WEST_STCV_NAME = "west_stcv"
EAST_STCV_NAME = "east_stcv"
AFFINITY_SG_NAME = "affinity"
STCV_USER_DATA = '''#cloud-config
spirent:
ntp: '''
def __init__(self, name, conn, ext_network_name, params):
self.logger = logging.getLogger(__name__)
self.name = name
self.conn = conn
self.ext_network_name = ext_network_name
self.image_name = params['stcv_image']
self.flavor_name = params['stcv_flavor']
self.ntp_server_ip = params['license_server_ip']
self.affinity = params['stcv_affinity']
self.stack_id = str(uuid.uuid4())
self.admin_network = None
self.admin_subnet = None
self.tst_network = None
self.tst_subnet = None
self.ext_network = None
self.router = None
self.affinity_sg = None
self.west_stcv = None
self.west_stcv_ip = ''
self.east_stcv = None
self.east_stcv_ip = ''
def _deploy_test_network(self):
# create tst network and subnet
self.tst_network = self.conn.network.create_network(
name=self.TST_NETWORK_NAME)
self.tst_subnet = self.conn.network.create_subnet(
name=self.TST_NETWORK_NAME + '_subnet',
network_id=self.tst_network.id,
ip_version='4',
cidr=self.TST_SUBNET_ADDR,
gateway_ip=self.TST_GW_IP,
is_dhcp_enabled=True)
# create admin network and subnet
self.admin_network = self.conn.network.create_network(
name=self.ADMIN_NETWORK_NAME)
self.admin_subnet = self.conn.network.create_subnet(
name=self.ADMIN_NETWORK_NAME + '_subnet',
network_id=self.admin_network.id,
ip_version='4',
cidr=self.ADMIN_SUBNET_ADDR,
gateway_ip=self.ADMIN_GW_IP,
is_dhcp_enabled=True)
# create external gateway and connect admin subnet to router
self.ext_network = self.conn.network.find_network(self.ext_network_name)
self.router = self.conn.network.create_router(name=self.ROUTER_NAME,
external_gateway_info={"network_id": self.ext_network.id},
is_admin_state_up=True)
self.conn.network.add_interface_to_router(self.router, subnet_id=self.admin_subnet.id)
def _depoly_stcv(self, name, image_id, flavor_id, scheduler_hints, user_data):
stcv = self.conn.compute.create_server(
name=name, image_id=image_id, flavor_id=flavor_id,
networks=[{"uuid": self.admin_network.id}, {"uuid": self.tst_network.id}],
config_drive=True,
user_data=base64.encodestring(user_data)
)
stcv = self.conn.compute.wait_for_server(stcv)
stcv_fixed_ip = stcv.addresses[self.admin_network.name][0]['addr']
stcv_floating_ip = self.conn.network.create_ip(floating_network_id=self.ext_network.id)
self.conn.compute.add_floating_ip_to_server(server=stcv, address=stcv_floating_ip.floating_ip_address,
fixed_address=stcv_fixed_ip)
return {'stcv': stcv, 'fixed_ip': stcv_fixed_ip, 'floating_ip': stcv_floating_ip}
def create_stack(self):
image = self.conn.compute.find_image(self.image_name)
flavor = self.conn.compute.find_flavor(self.flavor_name)
if self.affinity:
self.affinity_sg = \
self.conn.compute.create_server_group(name=self.AFFINITY_SG_NAME,
policies=["affinity"])
else:
self.affinity_sg = \
self.conn.compute.create_server_group(name=self.AFFINITY_SG_NAME,
policies=["anti-affinity"])
self._deploy_test_network()
user_data = self.STCV_USER_DATA + self.ntp_server_ip
stcv = self._depoly_stcv(name=self.WEST_STCV_NAME,
image_id=image.id,
flavor_id=flavor.id,
scheduler_hints=self.affinity_sg,
user_data=user_data)
self.west_stcv = stcv['stcv']
self.west_stcv_ip = stcv['floating_ip']
stcv = self._depoly_stcv(name=self.EAST_STCV_NAME,
image_id=image.id,
flavor_id=flavor.id,
scheduler_hints=self.affinity_sg,
user_data=user_data)
self.east_stcv = stcv['stcv']
self.east_stcv_ip = stcv['floating_ip']
def delete_stack(self):
self.conn.compute.delete_server(self.west_stcv, ignore_missing=True)
self.conn.compute.delete_server(self.east_stcv, ignore_missing=True)
self.conn.compute.delete_server_group(server_group=self.affinity_sg,
ignore_missing=True)
# delete external gateway
self.conn.network.delete_router(self.router, ignore_missing=True)
# delete tst network
self.conn.network.delete_subnet(self.tst_subnet, ignore_missing=True)
self.conn.network.delete_network(self.tst_network, ignore_missing=True)
# delete admin network
self.conn.network.delete_subnet(self.admin_subnet, ignore_missing=True)
self.conn.network.delete_network(self.admin_network, ignore_missing=True)
class StcSession:
""" wrapper class for stc session"""
def __init__(self, labserver_addr, user_name, session_name):
self.logger = logging.getLogger(__name__)
# create connection obj
self.stc = stchttp.StcHttp(labserver_addr)
self.user_name = user_name
self.session_name = session_name
# create session on labserver
self.session_id = self.stc.new_session(self.user_name, self.session_name)
self.stc.join_session(self.session_id)
return
def __del__(self):
# destroy resource on labserver
self.stc.end_session()
def clean_all_session(self):
session_urls = self.stc.session_urls()
for session in session_urls:
resp = requests.delete(session)
self.logger.info("delete session resp: %s", str(resp))
return
class StcRfc2544Test:
""" RFC2544 test class"""
RESULT_PATH_PREFIX = './tc_results/rfc2544/'
TC_STATUS_INIT = 'init'
TC_STATUS_RUNNING = 'running'
TC_STATUS_FINISHED = 'finished'
TC_STATUS_ERROR = 'error'
default_additional_params = {
"AcceptableFrameLoss": 0.0,
"Duration": 30,
"FrameSizeList": 64,
"LearningMode": 'AUTO',
"NumOfTrials": 1,
# "RateInitial": 99.0,
# "RateLowerLimit": 99.0,
# "RateStep": 10.0,
# "RateUpperLimit": 99.0,
"Resolution": 1.0,
"SearchMode": 'BINARY',
"TrafficPattern": 'PAIR'
}
def __init__(self, name, lab_server_ip, license_server_ip,
west_stcv_admin_ip, west_stcv_tst_ip,
east_stcv_admin_ip, east_stcv_tst_ip,
stack_id=None, **kwargs):
self.logger = logging.getLogger(__name__)
self.name = name
self.lab_server_ip = lab_server_ip
self.license_server_ip = license_server_ip
self.west_stcv_ip = west_stcv_admin_ip
self.west_stcv_tst_ip = west_stcv_tst_ip
self.east_stcv_ip = east_stcv_admin_ip
self.east_stcv_tst_ip = east_stcv_tst_ip
self.stack_id = stack_id
self.metric = kwargs.get('metric')
self.additional_params = copy.copy(self.default_additional_params)
self.additional_params['FrameSizeList'] = kwargs.get('framesizes')
self.tc_id = str(uuid.uuid4())
self.stc = None
self.sess = None
self.executor = None
self.status = 'init'
self.err_reason = ''
def config_license(self, license_server_addr):
license_mgr = self.stc.get("system1", "children-licenseservermanager")
self.stc.create("LicenseServer",
under=license_mgr,
attributes={"server": license_server_addr})
return
def create_project(self, traffic_custom=None):
self.project = self.stc.get("System1", "children-Project")
# Configure any custom traffic parameters
if traffic_custom == "cont":
self.stc.create("ContinuousTestConfig", under=self.project)
return
def config_test_port(self, chassis_addr, slot_no, port_no, intf_addr, gateway_addr):
# create test port
port_loc = "//%s/%s/%s" % (chassis_addr, slot_no, port_no)
chassis_port = self.stc.create('port', self.project)
self.stc.config(chassis_port, {'location': port_loc})
# Create emulated genparam for east port
device_gen_params = self.stc.create("EmulatedDeviceGenParams",
under=self.project,
attributes={"Port": chassis_port})
# Create the DeviceGenEthIIIfParams object
self.stc.create("DeviceGenEthIIIfParams",
under=device_gen_params,
attributes={"UseDefaultPhyMac": "True"})
# Configuring Ipv4 interfaces
self.stc.create("DeviceGenIpv4IfParams",
under=device_gen_params,
attributes={"Addr": intf_addr, "Gateway": gateway_addr})
# Create Devices using the Device Wizard
self.stc.perform("DeviceGenConfigExpand",
params={"DeleteExisting": "No", "GenParams": device_gen_params})
return
def do_test(self):
if self.metric == "throughput":
self.stc.perform("Rfc2544SetupThroughputTestCommand", self.additional_params)
elif self.metric == "backtoback":
self.stc.perform("Rfc2544SetupBackToBackTestCommand", self.additional_params)
elif self.metric == "frameloss":
self.stc.perform("Rfc2544SetupFrameLossTestCommand", self.additional_params)
elif self.metric == "latency":
self.stc.perform("Rfc2544SetupLatencyTestCommand", self.additional_params)
else:
raise Exception("invalid rfc2544 test metric.")
# Save the configuration
self.stc.perform("SaveToTcc", params={"Filename": "2544.tcc"})
# Connect to the hardware...
self.stc.perform("AttachPorts",
params={"portList": self.stc.get("system1.project", "children-port"),
"autoConnect": "TRUE"})
# Apply configuration.
self.stc.apply()
self.stc.perform("SequencerStart")
self.stc.wait_until_complete()
return
def write_query_results_to_csv(self, results_path, csv_results_file_prefix, query_results):
filec = os.path.join(results_path, csv_results_file_prefix + ".csv")
with open(filec, "wb") as result_file:
result_file.write(query_results["Columns"].replace(" ", ",") + "\n")
for row in (query_results["Output"].replace("} {", ",").replace("{", "").replace("}", "").split(",")):
result_file.write(row.replace(" ", ",") + "\n")
def format_result(self, metric, original_result_dict):
result = {}
if metric == 'throughput':
columns = original_result_dict["Columns"].split(' ')
index_framesize = columns.index("ConfiguredFrameSize")
index_result = columns.index("Result")
index_throughput = columns.index("Throughput(%)")
index_ForwardingRate = columns.index("ForwardingRate(fps)")
outputs = \
original_result_dict["Output"].replace('} {', ',').replace("{", "").replace("}", "").split(",")
for row in outputs:
output = row.split(' ')
result[output[index_framesize]] = {'Result': output[index_result],
"Throughput(%)": output[index_throughput],
"ForwardingRate(fps)": output[index_ForwardingRate]}
elif self.metric == "latency":
pass
elif self.metric == "frameloss":
pass
elif self.metric == "backtoback":
pass
return result
def collect_result(self, local_dir):
# Determine what the results database filename is...
lab_server_resultsdb = self.stc.get(
"system1.project.TestResultSetting", "CurrentResultFileName")
self.stc.perform("CSSynchronizeFiles",
params={"DefaultDownloadDir": local_dir})
resultsdb = local_dir + lab_server_resultsdb.split("/Results")[1]
if not os.path.exists(resultsdb):
resultsdb = lab_server_resultsdb
self.logger.info("Failed to create the local summary DB File, using"
" the remote DB file instead.")
else:
self.logger.info(
"The local summary DB file has been saved to %s", resultsdb)
if self.metric == "throughput":
resultsdict = self.stc.perform("QueryResult",
params={
"DatabaseConnectionString": lab_server_resultsdb,
"ResultPath": "RFC2544ThroughputTestResultDetailedSummaryView"})
elif self.metric == "backtoback":
resultsdict = self.stc.perform("QueryResult",
params={
"DatabaseConnectionString": lab_server_resultsdb,
"ResultPath": "RFC2544Back2BackTestResultDetailedSummaryView"})
elif self.metric == "frameloss":
resultsdict = self.stc.perform("QueryResult",
params={
"DatabaseConnectionString": lab_server_resultsdb,
"ResultPath": "RFC2544LatencyTestResultDetailedSummaryView"})
elif self.metric == "latency":
resultsdict = self.stc.perform("QueryResult",
params={
"DatabaseConnectionString": lab_server_resultsdb,
"ResultPath": "RFC2544FrameLossTestResultDetailedSummaryView"})
else:
raise Exception("invalid rfc2544 test metric.")
self.write_query_results_to_csv(self.results_dir, self.metric, resultsdict)
self.result = self.format_result(self.metric, resultsdict)
return
def thread_entry(self):
self.status = self.TC_STATUS_RUNNING
try:
# create session on lab server
self.sess = StcSession(self.lab_server_ip, session_name=self.name, user_name=self.name)
self.stc = self.sess.stc
# create test result directory
self.results_dir = self.RESULT_PATH_PREFIX + self.tc_id + '/'
os.makedirs(self.results_dir)
# Bring up license server
self.config_license(self.license_server_ip)
self.logger.info("config license success, license_server_addr = %s.", self.license_server_ip)
# Create the root project object and Configure any custom traffic parameters
self.create_project()
self.logger.info("create project success.")
# configure test port
self.config_test_port(self.west_stcv_ip, 1, 1, self.west_stcv_tst_ip, self.east_stcv_tst_ip)
self.config_test_port(self.east_stcv_ip, 1, 1, self.east_stcv_tst_ip, self.west_stcv_tst_ip)
self.logger.info("config test port success, west_chassis_addr = %s, east_chassis_addr = %s.",
self.west_stcv_ip, self.east_stcv_ip)
# execute test
self.do_test()
self.logger.info("execute test success.")
# collect test result
self.collect_result(self.results_dir)
self.logger.info("collect result file success, results_dir = %s.", self.results_dir)
self.status = self.TC_STATUS_FINISHED
except Exception as err:
self.logger.error("Failed to execute Rfc2544 testcase, err: %s", str(err))
self.err_reason = str(err)
self.status = self.TC_STATUS_ERROR
finally:
if self.sess is not None:
self.sess.clean_all_session()
def execute(self):
self.executor = threading.Thread(name='rfc2544', target=self.thread_entry())
self.executor.start()
def get_result(self):
if self.status != self.TC_STATUS_FINISHED:
return {'name': self.name,
'tc_id': self.tc_id,
'status': self.status
}
return {'name': self.name,
'category': 'rfc2544',
'id': self.tc_id,
'params': {
'metric': self.metric,
'framesizes': self.additional_params.get('FrameSizeList')},
'result': self.result}
def get_status(self):
return self.status
def delete_result(self):
shutil.rmtree(self.results_dir)
pass
def cancel_run(self):
pass
def get_err_reason(self):
return self.err_reason
if __name__ == '__main__':
lab_server_ip = '192.168.37.122'
license_server_ip = '192.168.37.251'
west_stcv_admin_ip = '192.168.37.202'
west_stcv_tst_ip = '192.168.1.20'
east_stcv_admin_ip = '192.168.37.212'
east_stcv_tst_ip = '192.168.1.17'
tc = StcRfc2544Test(name='tc1',
lab_server_ip=lab_server_ip,
license_server_ip=license_server_ip,
west_stcv_admin_ip=west_stcv_admin_ip,
west_stcv_tst_ip=west_stcv_tst_ip,
east_stcv_admin_ip=east_stcv_admin_ip,
east_stcv_tst_ip=east_stcv_tst_ip,
metric="throughput",
framesizes=[64, 128, 256, 512, 1024])
tc.execute()
status = tc.get_status()
while(status != tc.TC_STATUS_FINISHED):
if status == tc.TC_STATUS_ERROR:
print "tc exectue fail, reason %s" % tc.get_err_reason()
break
sleep(2)
if status == tc.TC_STATUS_FINISHED:
print tc.get_result()
'''
tc = StcRfc2544Test(name='tc2',
lab_server_ip=lab_server_ip,
license_server_ip=license_server_ip,
west_stcv_admin_ip=west_stcv_admin_ip,
west_stcv_tst_ip=west_stcv_tst_ip,
east_stcv_admin_ip=east_stcv_admin_ip,
east_stcv_tst_ip=east_stcv_tst_ip,
metric="latency",
framesizes=[64, 128, 256, 512, 1024])
tc.execute()
status = tc.get_status()
while(status != tc.TC_STATUS_FINISHED):
if status == tc.TC_STATUS_ERROR:
print "tc exectue fail, reason %s" % tc.get_err_reason()
break
sleep(2)
if status == tc.TC_STATUS_FINISHED:
print tc.get_result()
tc = StcRfc2544Test(name='tc3',
lab_server_ip=lab_server_ip,
license_server_ip=license_server_ip,
west_stcv_admin_ip=west_stcv_admin_ip,
west_stcv_tst_ip=west_stcv_tst_ip,
east_stcv_admin_ip=east_stcv_admin_ip,
east_stcv_tst_ip=east_stcv_tst_ip,
metric="backtoback",
framesizes=[64, 128, 256, 512, 1024])
tc.execute()
status = tc.get_status()
while(status != tc.TC_STATUS_FINISHED):
if status == tc.TC_STATUS_ERROR:
print "tc exectue fail, reason %s" % tc.get_err_reason()
break
sleep(2)
if status == tc.TC_STATUS_FINISHED:
print tc.get_result()
tc = StcRfc2544Test(name='tc4',
lab_server_ip=lab_server_ip,
license_server_ip=license_server_ip,
west_stcv_admin_ip=west_stcv_admin_ip,
west_stcv_tst_ip=west_stcv_tst_ip,
east_stcv_admin_ip=east_stcv_admin_ip,
east_stcv_tst_ip=east_stcv_tst_ip,
metric="frameloss",
framesizes=[64, 128, 256, 512, 1024])
tc.execute()
status = tc.get_status()
while(status != tc.TC_STATUS_FINISHED):
if status == tc.TC_STATUS_ERROR:
print "tc exectue fail, reason %s" % tc.get_err_reason()
break
sleep(2)
if status == tc.TC_STATUS_FINISHED:
print tc.get_result()
'''
'''
class Testcase(object):
def __init__(self, stack):
self.stack = stack
def execute(self):
pass
class TestcaseFactory(object):
def __init__(self):
def create_tc(self, tc_metadata):
self.tc_name = tc_metadata['tc_name']
self.tc_id = str(uuid.uuid4())
if
'''
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