test/testbeds/planetlab/execute.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 import getpass
   5 from nepi.util.constants import STATUS_FINISHED
   6 from nepi.testbeds import planetlab
   7 import os
   8 import shutil
   9 import tempfile
  10 import time
  11 import unittest
  12 import re
  13 import test_util
  14 import sys
  15
  16 class PlanetLabExecuteTestCase(unittest.TestCase):
  17     testbed_id = "planetlab"
  18     testbed_version = "01"
  19     slicename = "inria_nepi"
  20     plchost = "nepiplc.pl.sophia.inria.fr"
  21
  22     host1 = "nepi1.pl.sophia.inria.fr"
  23     host2 = "nepi2.pl.sophia.inria.fr"
  24
  25     def setUp(self):
  26         self.root_dir = tempfile.mkdtemp()
  27
  28     def tearDown(self):
  29         try:
  30             shutil.rmtree(self.root_dir)
  31         except:
  32             # retry
  33             time.sleep(0.1)
  34             shutil.rmtree(self.root_dir)
  35
  36     def make_instance(self):
  37         testbed_id = self.testbed_id
  38         testbed_version = self.testbed_version
  39         slicename = self.slicename
  40         plchost = self.plchost
  41
  42         instance = planetlab.TestbedController(testbed_version)
  43         pl_ssh_key = os.environ.get(
  44             "PL_SSH_KEY",
  45             "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'],) )
  46         pl_user, pl_pwd = test_util.pl_auth()
  47
  48         instance.defer_configure("homeDirectory", self.root_dir)
  49         instance.defer_configure("slice", slicename)
  50         instance.defer_configure("sliceSSHKey", pl_ssh_key)
  51         instance.defer_configure("authUser", pl_user)
  52         instance.defer_configure("authPass", pl_pwd)
  53         instance.defer_configure("plcHost", plchost)
  54
  55         return instance
  56
  57     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
  58     def test_simple(self):
  59         instance = self.make_instance()
  60
  61         instance.defer_create(2, "Node")
  62         instance.defer_create_set(2, "hostname", self.host1)
  63         instance.defer_create(3, "Node")
  64         instance.defer_create_set(3, "hostname", self.host2)
  65         instance.defer_create(4, "NodeInterface")
  66         instance.defer_connect(2, "devs", 4, "node")
  67         instance.defer_create(5, "NodeInterface")
  68         instance.defer_connect(3, "devs", 5, "node")
  69         instance.defer_create(6, "Internet")
  70         instance.defer_connect(4, "inet", 6, "devs")
  71         instance.defer_connect(5, "inet", 6, "devs")
  72         instance.defer_create(7, "Application")
  73         instance.defer_create_set(7, "command", "ping -qc1 {#[GUID-5].addr[0].[Address]#}")
  74         instance.defer_add_trace(7, "stdout")
  75         instance.defer_add_trace(7, "stderr")
  76         instance.defer_connect(7, "node", 2, "apps")
  77
  78         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
  79
  80 --- .* ping statistics ---
  81 1 packets transmitted, 1 received, 0% packet loss, time \d*ms.*
  82 """
  83
  84         try:
  85             instance.do_setup()
  86             instance.do_create()
  87             instance.do_connect_init()
  88             instance.do_connect_compl()
  89             instance.do_preconfigure()
  90
  91             # Manually replace netref
  92             instance.set(7, "command",
  93                 instance.get(7, "command")
  94                     .replace("{#[GUID-5].addr[0].[Address]#}",
  95                         instance.get_address(5, 0, "Address") )
  96             )
  97
  98             instance.do_configure()
  99
 100             instance.do_prestart()
 101             instance.start()
 102             while instance.status(7) != STATUS_FINISHED:
 103                 time.sleep(0.5)
 104             ping_result = instance.trace(7, "stdout") or ""
 105             instance.stop()
 106         finally:
 107             instance.shutdown()
 108
 109         # asserts at the end, to make sure there's proper cleanup
 110         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 111             "Unexpected trace:\n" + ping_result)
 112
 113     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 114     def test_depends(self):
 115         instance = self.make_instance()
 116
 117         instance.defer_create(2, "Node")
 118         instance.defer_create_set(2, "hostname", self.host1)
 119         instance.defer_create(3, "NodeInterface")
 120         instance.defer_connect(2, "devs", 3, "node")
 121         instance.defer_create(4, "Internet")
 122         instance.defer_connect(3, "inet", 4, "devs")
 123         instance.defer_create(5, "Application")
 124         instance.defer_create_set(5, "command", "gfortran --version")
 125         instance.defer_create_set(5, "depends", "gcc-gfortran")
 126         instance.defer_add_trace(5, "stdout")
 127         instance.defer_add_trace(5, "stderr")
 128         instance.defer_connect(5, "node", 2, "apps")
 129
 130         try:
 131             instance.do_setup()
 132             instance.do_create()
 133             instance.do_connect_init()
 134             instance.do_connect_compl()
 135             instance.do_preconfigure()
 136             instance.do_configure()
 137
 138             instance.do_prestart()
 139             instance.start()
 140             while instance.status(5) != STATUS_FINISHED:
 141                 time.sleep(0.5)
 142             ping_result = instance.trace(5, "stdout") or ""
 143             comp_result = r".*GNU Fortran \(GCC\).*"
 144             instance.stop()
 145         finally:
 146             instance.shutdown()
 147
 148         # asserts at the end, to make sure there's proper cleanup
 149         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 150             "Unexpected trace:\n" + ping_result)
 151
 152     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 153     def test_build(self):
 154         instance = self.make_instance()
 155
 156         instance.defer_create(2, "Node")
 157         instance.defer_create_set(2, "hostname", self.host1)
 158         instance.defer_create(3, "NodeInterface")
 159         instance.defer_connect(2, "devs", 3, "node")
 160         instance.defer_create(4, "Internet")
 161         instance.defer_connect(3, "inet", 4, "devs")
 162         instance.defer_create(10, "Application")
 163         instance.defer_create_set(10, "command", "./consts")
 164         instance.defer_create_set(10, "buildDepends", "gcc")
 165         instance.defer_create_set(10, "build", "gcc ${SOURCES}/consts.c -o consts")
 166         instance.defer_create_set(10, "install", "cp consts ${SOURCES}/consts")
 167         instance.defer_create_set(10, "sources", os.path.join(os.path.dirname(planetlab.__file__),'scripts','consts.c'))
 168         instance.defer_add_trace(10, "stdout")
 169         instance.defer_add_trace(10, "stderr")
 170         instance.defer_connect(10, "node", 2, "apps")
 171
 172         comp_result = \
 173 r""".*ETH_P_ALL = 0x[0-9a-fA-F]{8}
 174 ETH_P_IP = 0x[0-9a-fA-F]{8}
 175 TUNGETIFF = 0x[0-9a-fA-F]{8}
 176 TUNSETIFF = 0x[0-9a-fA-F]{8}
 177 IFF_NO_PI = 0x[0-9a-fA-F]{8}
 178 IFF_TAP = 0x[0-9a-fA-F]{8}
 179 IFF_TUN = 0x[0-9a-fA-F]{8}
 180 IFF_VNET_HDR = 0x[0-9a-fA-F]{8}
 181 TUN_PKT_STRIP = 0x[0-9a-fA-F]{8}
 182 IFHWADDRLEN = 0x[0-9a-fA-F]{8}
 183 IFNAMSIZ = 0x[0-9a-fA-F]{8}
 184 IFREQ_SZ = 0x[0-9a-fA-F]{8}
 185 FIONREAD = 0x[0-9a-fA-F]{8}.*
 186 """
 187
 188         try:
 189             instance.do_setup()
 190             instance.do_create()
 191             instance.do_connect_init()
 192             instance.do_connect_compl()
 193             instance.do_preconfigure()
 194             instance.do_configure()
 195
 196             instance.do_prestart()
 197             instance.start()
 198             while instance.status(10) != STATUS_FINISHED:
 199                 time.sleep(0.5)
 200             ping_result = instance.trace(10, "stdout") or ""
 201             instance.stop()
 202         finally:
 203             instance.shutdown()
 204
 205         # asserts at the end, to make sure there's proper cleanup
 206         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 207             "Unexpected trace:\n" + ping_result)
 208
 209     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 210     def test_simple_vsys(self):
 211         instance = self.make_instance()
 212
 213         instance.defer_create(2, "Node")
 214         instance.defer_create_set(2, "hostname", self.host1)
 215         instance.defer_create_set(2, "emulation", True) # require emulation
 216         instance.defer_create(3, "NodeInterface")
 217         instance.defer_connect(2, "devs", 3, "node")
 218         instance.defer_create(4, "Internet")
 219         instance.defer_connect(3, "inet", 4, "devs")
 220         instance.defer_create(5, "TunInterface")
 221         instance.defer_add_address(5, "192.168.2.2", 24, False)
 222         instance.defer_connect(2, "devs", 5, "node")
 223         instance.defer_create(6, "Application")
 224         instance.defer_create_set(6, "command", """
 225 set -e
 226 netconfig help > /dev/null
 227 test -e /vsys/vif_up.in > /dev/null
 228 test -e /vsys/vif_up.out > /dev/null
 229 test -e /vsys/fd_tuntap.control > /dev/null
 230 echo 'OKIDOKI'
 231 """)
 232         instance.defer_create_set(6, "sudo", True) # only sudo has access to /vsys
 233         instance.defer_add_trace(6, "stdout")
 234         instance.defer_add_trace(6, "stderr")
 235         instance.defer_connect(6, "node", 2, "apps")
 236
 237         try:
 238             instance.do_setup()
 239             instance.do_create()
 240             instance.do_connect_init()
 241             instance.do_connect_compl()
 242             instance.do_preconfigure()
 243             instance.do_configure()
 244
 245             instance.do_prestart()
 246             instance.start()
 247             while instance.status(6) != STATUS_FINISHED:
 248                 time.sleep(0.5)
 249             test_result = (instance.trace(6, "stdout") or "").strip()
 250             comp_result = "OKIDOKI"
 251             instance.stop()
 252         finally:
 253             instance.shutdown()
 254
 255         # asserts at the end, to make sure there's proper cleanup
 256         self.assertEqual(comp_result, test_result)
 257
 258     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 259     def test_emulation(self):
 260         instance = self.make_instance()
 261
 262         instance.defer_create(2, "Node")
 263         instance.defer_create_set(2, "hostname", self.host1)
 264         instance.defer_create_set(2, "emulation", True) # require emulation
 265         instance.defer_create(3, "NodeInterface")
 266         instance.defer_connect(2, "devs", 3, "node")
 267         instance.defer_create(4, "Internet")
 268         instance.defer_connect(3, "inet", 4, "devs")
 269         instance.defer_create(7, "NetPipe")
 270         instance.defer_create_set(7, "mode", "CLIENT")
 271         instance.defer_create_set(7, "portList", "80")
 272         instance.defer_create_set(7, "bwOut", 12.0/1024.0) # 12kbps
 273         instance.defer_create_set(7, "bwIn", 64.0/1024.0) # 64kbps
 274         instance.defer_create_set(7, "plrOut", 0.01) # 1% plr outbound - high loss
 275         instance.defer_create_set(7, "plrIn", 0.001) # 0.1% plr inbound - regular loss
 276         instance.defer_create_set(7, "delayOut", int(1500 * 8 / (12.0/1024.0) / 1000)) # tx delay at 12kbps in ms
 277         instance.defer_create_set(7, "delayIn", int(1500 * 8 / (64.0/1024.0) / 1000)) # rx delay at 64kbps in ms
 278         instance.defer_add_trace(7, "netpipeStats")
 279         instance.defer_connect(2, "pipes", 7, "node")
 280         instance.defer_create(8, "Application")
 281         instance.defer_create_set(8, "command", "time wget -q -O /dev/null http://www.google.com/") # Fetch ~10kb
 282         instance.defer_add_trace(8, "stdout")
 283         instance.defer_add_trace(8, "stderr")
 284         instance.defer_connect(8, "node", 2, "apps")
 285
 286         try:
 287             instance.do_setup()
 288             instance.do_create()
 289             instance.do_connect_init()
 290             instance.do_connect_compl()
 291             instance.do_preconfigure()
 292             instance.do_configure()
 293
 294             instance.do_prestart()
 295             instance.start()
 296             while instance.status(8) != STATUS_FINISHED:
 297                 time.sleep(0.5)
 298             test_result = (instance.trace(8, "stderr") or "").strip()
 299             comp_result = r".*real\s*(?P<min>[0-9]+)m(?P<sec>[0-9]+[.][0-9]+)s.*"
 300             netpipe_stats = instance.trace(7, "netpipeStats")
 301
 302             instance.stop()
 303         finally:
 304             instance.shutdown()
 305
 306         # asserts at the end, to make sure there's proper cleanup
 307         match = re.match(comp_result, test_result, re.MULTILINE)
 308         self.assertTrue(match, "Unexpected output: %s" % (test_result,))
 309
 310         minutes = int(match.group("min"))
 311         seconds = float(match.group("sec"))
 312         self.assertTrue((minutes * 60 + seconds) > 1.0, "Emulation not effective: %s" % (test_result,))
 313
 314         self.assertTrue(netpipe_stats, "Unavailable netpipe stats")
 315
 316     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 317     def test_tun_emulation_requirement(self):
 318         instance = self.make_instance()
 319
 320         instance.defer_create(2, "Node")
 321         instance.defer_create_set(2, "hostname", self.host1)
 322         instance.defer_create(3, "NodeInterface")
 323         instance.defer_connect(2, "devs", 3, "node")
 324         instance.defer_create(4, "Internet")
 325         instance.defer_connect(3, "inet", 4, "devs")
 326         instance.defer_create(5, "TunInterface")
 327         instance.defer_add_address(5, "192.168.2.2", 24, False)
 328         instance.defer_connect(2, "devs", 5, "node")
 329         instance.defer_create(6, "Application")
 330         instance.defer_create_set(6, "command", "false")
 331         instance.defer_add_trace(6, "stdout")
 332         instance.defer_add_trace(6, "stderr")
 333         instance.defer_connect(6, "node", 2, "apps")
 334
 335         try:
 336             instance.do_setup()
 337             instance.do_create()
 338             instance.do_connect_init()
 339             instance.do_connect_compl()
 340             instance.do_preconfigure()
 341             instance.do_configure()
 342             self.fail("Usage of TUN without emulation should fail")
 343         except Exception,e:
 344             pass
 345
 346     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 347     def _pingtest(self, TunClass, ConnectionProto):
 348         instance = self.make_instance()
 349
 350         instance.defer_create(2, "Node")
 351         instance.defer_create_set(2, "hostname", self.host1)
 352         instance.defer_create_set(2, "emulation", True) # require emulation
 353         instance.defer_create(3, "Node")
 354         instance.defer_create_set(3, "hostname", self.host2)
 355         instance.defer_create_set(3, "emulation", True) # require emulation
 356         instance.defer_create(4, "NodeInterface")
 357         instance.defer_connect(2, "devs", 4, "node")
 358         instance.defer_create(5, "Internet")
 359         instance.defer_connect(4, "inet", 5, "devs")
 360         instance.defer_create(6, "NodeInterface")
 361         instance.defer_connect(3, "devs", 6, "node")
 362         instance.defer_connect(6, "inet", 5, "devs")
 363         instance.defer_create(7, TunClass)
 364         instance.defer_add_trace(7, "packets")
 365         instance.defer_add_address(7, "192.168.2.2", 24, False)
 366         instance.defer_connect(2, "devs", 7, "node")
 367         instance.defer_create(8, TunClass)
 368         instance.defer_add_trace(8, "packets")
 369         instance.defer_add_address(8, "192.168.2.3", 24, False)
 370         instance.defer_connect(3, "devs", 8, "node")
 371         instance.defer_connect(7, ConnectionProto, 8, ConnectionProto)
 372         instance.defer_create(9, "Application")
 373         instance.defer_create_set(9, "command", "ping -qc1 {#[GUID-8].addr[0].[Address]#}")
 374         instance.defer_add_trace(9, "stdout")
 375         instance.defer_add_trace(9, "stderr")
 376         instance.defer_connect(9, "node", 2, "apps")
 377
 378         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
 379
 380 --- .* ping statistics ---
 381 1 packets transmitted, 1 received, 0% packet loss, time \d*ms.*
 382 """
 383
 384         try:
 385             instance.do_setup()
 386             instance.do_create()
 387             instance.do_connect_init()
 388             instance.do_connect_compl()
 389             instance.do_preconfigure()
 390
 391             # Manually replace netref
 392             instance.set(9, "command",
 393                 instance.get(9, "command")
 394                     .replace("{#[GUID-8].addr[0].[Address]#}",
 395                         instance.get_address(8, 0, "Address") )
 396             )
 397
 398             instance.do_configure()
 399
 400             instance.do_prestart()
 401             instance.start()
 402             while instance.status(9) != STATUS_FINISHED:
 403                 time.sleep(0.5)
 404             ping_result = instance.trace(9, "stdout") or ""
 405             packets1 = instance.trace(7, "packets") or ""
 406             packets2 = instance.trace(8, "packets") or ""
 407             instance.stop()
 408         finally:
 409             instance.shutdown()
 410
 411         # asserts at the end, to make sure there's proper cleanup
 412         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 413             "Unexpected trace:\n%s\nPackets @ source:\n%s\nPackets @ target:\n%s" % (
 414                 ping_result,
 415                 packets1,
 416                 packets2))
 417
 418     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 419     def test_tun_ping(self):
 420         self._pingtest("TunInterface", "tcp")
 421
 422     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 423     def test_tun_ping_udp(self):
 424         self._pingtest("TunInterface", "udp")
 425
 426     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 427     def test_tap_ping(self):
 428         self._pingtest("TapInterface", "tcp")
 429
 430     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 431     def test_tap_ping_udp(self):
 432         self._pingtest("TapInterface", "udp")
 433
 434     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 435     def test_nepi_depends(self):
 436         instance = self.make_instance()
 437
 438         instance.defer_create(2, "Node")
 439         instance.defer_create_set(2, "hostname", self.host1)
 440         instance.defer_create(3, "NodeInterface")
 441         instance.defer_connect(2, "devs", 3, "node")
 442         instance.defer_create(4, "Internet")
 443         instance.defer_connect(3, "inet", 4, "devs")
 444         instance.defer_create(5, "NepiDependency")
 445         instance.defer_connect(5, "node", 2, "deps")
 446         instance.defer_create(12, "Application")
 447         instance.defer_connect(12, "node", 2, "apps")
 448         instance.defer_create_set(12, "command", "python -c 'import nepi'")
 449         instance.defer_add_trace(12, "stderr")
 450
 451         try:
 452             instance.do_setup()
 453             instance.do_create()
 454             instance.do_connect_init()
 455             instance.do_connect_compl()
 456             instance.do_preconfigure()
 457             instance.do_configure()
 458
 459             instance.do_prestart()
 460             instance.start()
 461             while instance.status(12) != STATUS_FINISHED:
 462                 time.sleep(0.5)
 463             ping_result = (instance.trace(12, "stderr") or "").strip()
 464             instance.stop()
 465         finally:
 466             instance.shutdown()
 467
 468         # asserts at the end, to make sure there's proper cleanup
 469         self.assertEqual(ping_result, "")
 470
 471     @test_util.skipUnless(test_util.pl_auth() is not None,
 472         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 473     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 474         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 475     def test_ns3_depends(self):
 476         instance = self.make_instance()
 477
 478         instance.defer_create(2, "Node")
 479         instance.defer_create_set(2, "hostname", self.host1)
 480         instance.defer_create(3, "NodeInterface")
 481         instance.defer_connect(2, "devs", 3, "node")
 482         instance.defer_create(4, "Internet")
 483         instance.defer_connect(3, "inet", 4, "devs")
 484         instance.defer_create(5, "NepiDependency")
 485         instance.defer_connect(5, "node", 2, "deps")
 486         instance.defer_create(6, "NS3Dependency")
 487         instance.defer_connect(6, "node", 2, "deps")
 488         instance.defer_create(12, "Application")
 489         instance.defer_connect(12, "node", 2, "apps")
 490         instance.defer_create_set(12, "command", "python -c 'import nepi.testbeds.ns3.execute ; tb = nepi.testbeds.ns3.execute.TestbedController(\"3_9_RC3\") ; mod = tb._load_ns3_module()'")
 491         instance.defer_add_trace(12, "stderr")
 492
 493         try:
 494             instance.do_setup()
 495             instance.do_create()
 496             instance.do_connect_init()
 497             instance.do_connect_compl()
 498             instance.do_preconfigure()
 499             instance.do_configure()
 500
 501             instance.do_prestart()
 502             instance.start()
 503             while instance.status(12) != STATUS_FINISHED:
 504                 time.sleep(0.5)
 505             ping_result = (instance.trace(12, "stderr") or "").strip()
 506             instance.stop()
 507         finally:
 508             instance.shutdown()
 509
 510         # asserts at the end, to make sure there's proper cleanup
 511         self.assertEqual(ping_result, "")
 512
 513     @test_util.skipUnless(test_util.pl_auth() is not None, "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 514     def test_discovery(self):
 515         instance = self.make_instance()
 516
 517         instance.defer_create(2, "Node")
 518         instance.defer_create_set(2, "operatingSystem", "f12")
 519         instance.defer_create(3, "Node")
 520         instance.defer_create_set(3, "operatingSystem", "f12")
 521         instance.defer_create(4, "NodeInterface")
 522         instance.defer_connect(2, "devs", 4, "node")
 523         instance.defer_create(5, "NodeInterface")
 524         instance.defer_connect(3, "devs", 5, "node")
 525         instance.defer_create(6, "Internet")
 526         instance.defer_connect(4, "inet", 6, "devs")
 527         instance.defer_connect(5, "inet", 6, "devs")
 528         instance.defer_create(7, "Application")
 529         instance.defer_create_set(7, "command", "ping -qc1 {#[GUID-5].addr[0].[Address]#}")
 530         instance.defer_add_trace(7, "stdout")
 531         instance.defer_add_trace(7, "stderr")
 532         instance.defer_connect(7, "node", 2, "apps")
 533
 534         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
 535
 536 --- .* ping statistics ---
 537 1 packets transmitted, 1 received, 0% packet loss, time \d*ms.*
 538 """
 539
 540         try:
 541             instance.do_setup()
 542             instance.do_create()
 543             instance.do_connect_init()
 544             instance.do_connect_compl()
 545             instance.do_preconfigure()
 546
 547             # Manually replace netref
 548             instance.set(7, "command",
 549                 instance.get(7, "command")
 550                     .replace("{#[GUID-5].addr[0].[Address]#}",
 551                         instance.get_address(5, 0, "Address") )
 552             )
 553
 554             instance.do_configure()
 555
 556             instance.do_prestart()
 557             instance.start()
 558             while instance.status(7) != STATUS_FINISHED:
 559                 time.sleep(0.5)
 560             ping_result = instance.trace(7, "stdout") or ""
 561             instance.stop()
 562         finally:
 563             instance.shutdown()
 564
 565         # asserts at the end, to make sure there's proper cleanup
 566         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 567             "Unexpected trace:\n" + ping_result)
 568
 569
 570
 571 if __name__ == '__main__':
 572     unittest.main()
 573