Introduce iperf3 testing infrastructure
Change-Id: I6ff6bef14feb535d98ca41b9788700d699e1ef1e
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# osmo_gsm_tester: specifics for running an iperf3 client and server
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#
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# Copyright (C) 2018 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Pau Espin Pedrol <pespin@sysmocom.de>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import json
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from . import log, util, process, pcap_recorder
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DEFAULT_SRV_PORT = 5003
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class IPerf3Server(log.Origin):
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def __init__(self, suite_run, ip_address):
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super().__init__(log.C_RUN, 'iperf3-srv_%s' % ip_address.get('addr'))
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self.run_dir = None
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self.config_file = None
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self.process = None
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self.suite_run = suite_run
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self.ip_address = ip_address
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self._port = DEFAULT_SRV_PORT
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def start(self):
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self.log('Starting iperf3-srv')
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self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
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pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), None,
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'host %s and port not 22' % self.addr())
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self.log_file = self.run_dir.new_file('iperf3_srv.json')
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self.process = process.Process(self.name(), self.run_dir,
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('iperf3', '-s', '-B', self.addr(),
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'-p', str(self._port), '-J',
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'--logfile', os.path.abspath(self.log_file)),
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env={})
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self.suite_run.remember_to_stop(self.process)
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self.process.launch()
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def stop(self):
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self.suite_run.stop_process(self.process)
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def get_results(self):
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with open(self.log_file) as f:
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data = json.load(f)
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return data
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def addr(self):
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return self.ip_address.get('addr')
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def port(self):
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return self._port
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def running(self):
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return not self.process.terminated()
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def create_client(self):
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return IPerf3Client(self.suite_run, self)
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class IPerf3Client(log.Origin):
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def __init__(self, suite_run, iperf3srv):
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super().__init__(log.C_RUN, 'iperf3-cli_%s' % iperf3srv.addr())
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self.run_dir = None
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self.config_file = None
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self.process = None
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self.server = iperf3srv
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self.suite_run = suite_run
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def run_test(self, netns=None):
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self.log('Starting iperf3-client connecting to %s:%d' % (self.server.addr(), self.server.port()))
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self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
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pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), None,
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'host %s and port not 22' % self.server.addr(), netns)
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self.log_file = self.run_dir.new_file('iperf3_cli.json')
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popen_args = ('iperf3', '-c', self.server.addr(),
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'-p', str(self.server.port()), '-J',
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'--logfile', os.path.abspath(self.log_file))
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if netns:
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self.process = process.NetNSProcess(self.name(), self.run_dir, netns, popen_args, env={})
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else:
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self.process = process.Process(self.name(), self.run_dir, popen_args, env={})
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process.run_proc_sync(self.process)
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return self.get_results()
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def get_results(self):
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with open(self.log_file) as f:
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data = json.load(f)
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return data
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# vim: expandtab tabstop=4 shiftwidth=4
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@ -23,7 +23,7 @@ import time
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import pprint
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from . import config, log, util, resource, test
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from .event_loop import MainLoop
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from . import osmo_nitb, osmo_hlr, osmo_mgcpgw, osmo_mgw, osmo_msc, osmo_bsc, osmo_stp, osmo_ggsn, osmo_sgsn, modem, esme, osmocon, ms_driver
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from . import osmo_nitb, osmo_hlr, osmo_mgcpgw, osmo_mgw, osmo_msc, osmo_bsc, osmo_stp, osmo_ggsn, osmo_sgsn, modem, esme, osmocon, ms_driver, iperf3
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class Timeout(Exception):
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pass
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@ -349,6 +349,12 @@ class SuiteRun(log.Origin):
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self.register_for_cleanup(osmocon_obj)
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return osmocon_obj
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def iperf3srv(self, ip_address=None):
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if ip_address is None:
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ip_address = self.ip_address()
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iperf3srv_obj = iperf3.IPerf3Server(self, ip_address)
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return iperf3srv_obj
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def msisdn(self):
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msisdn = self.resources_pool.next_msisdn(self)
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self.log('using MSISDN', msisdn)
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@ -0,0 +1,74 @@
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#!/usr/bin/env python3
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from osmo_gsm_tester.testenv import *
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def print_results(cli_res, srv_res):
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cli_sent = cli_res['end']['sum_sent']
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cli_recv = cli_res['end']['sum_received']
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print("RESULT client:")
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print("\tSEND: %d KB, %d kbps, %d seconds (%d retrans)" % (cli_sent['bytes']/1000, cli_sent['bits_per_second']/1000, cli_sent['seconds'], cli_sent['retransmits']))
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print("\tRECV: %d KB, %d kbps, %d seconds" % (cli_recv['bytes']/1000, cli_recv['bits_per_second']/1000, cli_recv['seconds']))
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print("RESULT server:")
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print("\tSEND: %d KB, %d kbps, %d seconds" % (cli_sent['bytes']/1000, cli_sent['bits_per_second']/1000, cli_sent['seconds']))
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print("\tRECV: %d KB, %d kbps, %d seconds" % (cli_recv['bytes']/1000, cli_recv['bits_per_second']/1000, cli_recv['seconds']))
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hlr = suite.hlr()
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bts = suite.bts()
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pcu = bts.pcu()
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mgw_msc = suite.mgw()
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mgw_bsc = suite.mgw()
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stp = suite.stp()
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ggsn = suite.ggsn()
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sgsn = suite.sgsn(hlr, ggsn)
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msc = suite.msc(hlr, mgw_msc, stp)
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bsc = suite.bsc(msc, mgw_bsc, stp)
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ms = suite.modem()
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iperf3srv = suite.iperf3srv()
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iperf3cli = iperf3srv.create_client()
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bsc.bts_add(bts)
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sgsn.bts_add(bts)
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print('start iperfv3 server...')
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iperf3srv.start()
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print('start network...')
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hlr.start()
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stp.start()
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ggsn.start()
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sgsn.start()
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msc.start()
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mgw_msc.start()
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mgw_bsc.start()
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bsc.start()
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bts.start()
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wait(bsc.bts_is_connected, bts)
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print('Waiting for bts to be ready...')
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wait(bts.ready_for_pcu)
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pcu.start()
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hlr.subscriber_add(ms)
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ms.connect(msc.mcc_mnc())
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ms.attach()
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ms.log_info()
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print('waiting for modems to attach...')
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wait(ms.is_connected, msc.mcc_mnc())
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wait(msc.subscriber_attached, ms)
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print('waiting for modems to attach to data services...')
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wait(ms.is_attached)
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# We need to use inet46 since ofono qmi only uses ipv4v6 eua (OS#2713)
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ctx_id_v4 = ms.activate_context(apn='inet46', protocol=ms.CTX_PROT_IPv4)
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print("Setting up data plan for %r" % repr(ctx_id_v4))
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ms.setup_context_data_plane(ctx_id_v4)
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print("Running iperf3 client to %s through %r" % (iperf3srv.addr(),repr(ctx_id_v4)))
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res = iperf3cli.run_test(ms.netns())
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iperf3srv.stop()
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print_results(res, iperf3srv.get_results())
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ms.deactivate_context(ctx_id_v4)
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@ -1,6 +1,6 @@
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resources:
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ip_address:
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- times: 8 # msc, bsc, hlr, stp, mgw*2, sgsn, ggsn
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- times: 9 # msc, bsc, hlr, stp, mgw*2, sgsn, ggsn, iperf3srv
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bts:
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- times: 1
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modem:
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