code.grnet.gr Git - ganeti-local/blob - qa/ganeti-qa.py

   1 #!/usr/bin/python -u
   2 #
   3
   4 # Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21
  22 """Script for doing QA on Ganeti.
  23
  24 """
  25
  26 # pylint: disable=C0103
  27 # due to invalid name
  28
  29 import sys
  30 import datetime
  31 import optparse
  32
  33 import qa_cluster
  34 import qa_config
  35 import qa_daemon
  36 import qa_env
  37 import qa_error
  38 import qa_group
  39 import qa_instance
  40 import qa_node
  41 import qa_os
  42 import qa_job
  43 import qa_rapi
  44 import qa_tags
  45 import qa_utils
  46
  47 from ganeti import utils
  48 from ganeti import rapi # pylint: disable=W0611
  49 from ganeti import constants
  50
  51 import ganeti.rapi.client # pylint: disable=W0611
  52 from ganeti.rapi.client import UsesRapiClient
  53
  54
  55 def _FormatHeader(line, end=72):
  56   """Fill a line up to the end column.
  57
  58   """
  59   line = "---- " + line + " "
  60   line += "-" * (end - len(line))
  61   line = line.rstrip()
  62   return line
  63
  64
  65 def _DescriptionOf(fn):
  66   """Computes the description of an item.
  67
  68   """
  69   if fn.__doc__:
  70     desc = fn.__doc__.splitlines()[0].strip()
  71   else:
  72     desc = "%r" % fn
  73
  74   return desc.rstrip(".")
  75
  76
  77 def RunTest(fn, *args, **kwargs):
  78   """Runs a test after printing a header.
  79
  80   """
  81
  82   tstart = datetime.datetime.now()
  83
  84   desc = _DescriptionOf(fn)
  85
  86   print
  87   print _FormatHeader("%s start %s" % (tstart, desc))
  88
  89   try:
  90     retval = fn(*args, **kwargs)
  91     return retval
  92   finally:
  93     tstop = datetime.datetime.now()
  94     tdelta = tstop - tstart
  95     print _FormatHeader("%s time=%s %s" % (tstop, tdelta, desc))
  96
  97
  98 def RunTestIf(testnames, fn, *args, **kwargs):
  99   """Runs a test conditionally.
 100
 101   @param testnames: either a single test name in the configuration
 102       file, or a list of testnames (which will be AND-ed together)
 103
 104   """
 105   if qa_config.TestEnabled(testnames):
 106     RunTest(fn, *args, **kwargs)
 107   else:
 108     tstart = datetime.datetime.now()
 109     desc = _DescriptionOf(fn)
 110     print _FormatHeader("%s skipping %s, test(s) %s disabled" %
 111                         (tstart, desc, testnames))
 112
 113
 114 def RunEnvTests():
 115   """Run several environment tests.
 116
 117   """
 118   RunTestIf("env", qa_env.TestSshConnection)
 119   RunTestIf("env", qa_env.TestIcmpPing)
 120   RunTestIf("env", qa_env.TestGanetiCommands)
 121
 122
 123 def SetupCluster(rapi_user, rapi_secret):
 124   """Initializes the cluster.
 125
 126   @param rapi_user: Login user for RAPI
 127   @param rapi_secret: Login secret for RAPI
 128
 129   """
 130   RunTestIf("create-cluster", qa_cluster.TestClusterInit,
 131             rapi_user, rapi_secret)
 132
 133   # Test on empty cluster
 134   RunTestIf("node-list", qa_node.TestNodeList)
 135   RunTestIf("instance-list", qa_instance.TestInstanceList)
 136   RunTestIf("job-list", qa_job.TestJobList)
 137
 138   RunTestIf("create-cluster", qa_node.TestNodeAddAll)
 139   if not qa_config.TestEnabled("create-cluster"):
 140     # consider the nodes are already there
 141     qa_node.MarkNodeAddedAll()
 142
 143   RunTestIf("test-jobqueue", qa_cluster.TestJobqueue)
 144
 145   # enable the watcher (unconditionally)
 146   RunTest(qa_daemon.TestResumeWatcher)
 147
 148   RunTestIf("node-list", qa_node.TestNodeList)
 149
 150   # Test listing fields
 151   RunTestIf("node-list", qa_node.TestNodeListFields)
 152   RunTestIf("instance-list", qa_instance.TestInstanceListFields)
 153   RunTestIf("job-list", qa_job.TestJobListFields)
 154   RunTestIf("instance-export", qa_instance.TestBackupListFields)
 155
 156   RunTestIf("node-info", qa_node.TestNodeInfo)
 157
 158
 159 def RunClusterTests():
 160   """Runs tests related to gnt-cluster.
 161
 162   """
 163   for test, fn in [
 164     ("create-cluster", qa_cluster.TestClusterInitDisk),
 165     ("cluster-renew-crypto", qa_cluster.TestClusterRenewCrypto),
 166     ("cluster-verify", qa_cluster.TestClusterVerify),
 167     ("cluster-reserved-lvs", qa_cluster.TestClusterReservedLvs),
 168     # TODO: add more cluster modify tests
 169     ("cluster-modify", qa_cluster.TestClusterModifyEmpty),
 170     ("cluster-modify", qa_cluster.TestClusterModifyBe),
 171     ("cluster-modify", qa_cluster.TestClusterModifyDisk),
 172     ("cluster-rename", qa_cluster.TestClusterRename),
 173     ("cluster-info", qa_cluster.TestClusterVersion),
 174     ("cluster-info", qa_cluster.TestClusterInfo),
 175     ("cluster-info", qa_cluster.TestClusterGetmaster),
 176     ("cluster-redist-conf", qa_cluster.TestClusterRedistConf),
 177     ("cluster-copyfile", qa_cluster.TestClusterCopyfile),
 178     ("cluster-command", qa_cluster.TestClusterCommand),
 179     ("cluster-burnin", qa_cluster.TestClusterBurnin),
 180     ("cluster-master-failover", qa_cluster.TestClusterMasterFailover),
 181     ("cluster-master-failover",
 182      qa_cluster.TestClusterMasterFailoverWithDrainedQueue),
 183     ("cluster-oob", qa_cluster.TestClusterOob),
 184     ("rapi", qa_rapi.TestVersion),
 185     ("rapi", qa_rapi.TestEmptyCluster),
 186     ("rapi", qa_rapi.TestRapiQuery),
 187     ]:
 188     RunTestIf(test, fn)
 189
 190
 191 def RunRepairDiskSizes():
 192   """Run the repair disk-sizes test.
 193
 194   """
 195   RunTestIf("cluster-repair-disk-sizes", qa_cluster.TestClusterRepairDiskSizes)
 196
 197
 198 def RunOsTests():
 199   """Runs all tests related to gnt-os.
 200
 201   """
 202   if qa_config.TestEnabled("rapi"):
 203     rapi_getos = qa_rapi.GetOperatingSystems
 204   else:
 205     rapi_getos = None
 206
 207   for fn in [
 208     qa_os.TestOsList,
 209     qa_os.TestOsDiagnose,
 210     ]:
 211     RunTestIf("os", fn)
 212
 213   for fn in [
 214     qa_os.TestOsValid,
 215     qa_os.TestOsInvalid,
 216     qa_os.TestOsPartiallyValid,
 217     ]:
 218     RunTestIf("os", fn, rapi_getos)
 219
 220   for fn in [
 221     qa_os.TestOsModifyValid,
 222     qa_os.TestOsModifyInvalid,
 223     qa_os.TestOsStatesNonExisting,
 224     ]:
 225     RunTestIf("os", fn)
 226
 227
 228 def RunCommonInstanceTests(instance):
 229   """Runs a few tests that are common to all disk types.
 230
 231   """
 232   RunTestIf("instance-shutdown", qa_instance.TestInstanceShutdown, instance)
 233   RunTestIf(["instance-shutdown", "instance-console", "rapi"],
 234             qa_rapi.TestRapiStoppedInstanceConsole, instance)
 235   RunTestIf(["instance-shutdown", "instance-modify"],
 236             qa_instance.TestInstanceStoppedModify, instance)
 237   RunTestIf("instance-shutdown", qa_instance.TestInstanceStartup, instance)
 238
 239   # Test shutdown/start via RAPI
 240   RunTestIf(["instance-shutdown", "rapi"],
 241             qa_rapi.TestRapiInstanceShutdown, instance)
 242   RunTestIf(["instance-shutdown", "rapi"],
 243             qa_rapi.TestRapiInstanceStartup, instance)
 244
 245   RunTestIf("instance-list", qa_instance.TestInstanceList)
 246
 247   RunTestIf("instance-info", qa_instance.TestInstanceInfo, instance)
 248
 249   RunTestIf("instance-modify", qa_instance.TestInstanceModify, instance)
 250   RunTestIf(["instance-modify", "rapi"],
 251             qa_rapi.TestRapiInstanceModify, instance)
 252
 253   RunTestIf("instance-console", qa_instance.TestInstanceConsole, instance)
 254   RunTestIf(["instance-console", "rapi"],
 255             qa_rapi.TestRapiInstanceConsole, instance)
 256
 257   DOWN_TESTS = qa_config.Either([
 258     "instance-reinstall",
 259     "instance-rename",
 260     "instance-grow-disk",
 261     ])
 262
 263   # shutdown instance for any 'down' tests
 264   RunTestIf(DOWN_TESTS, qa_instance.TestInstanceShutdown, instance)
 265
 266   # now run the 'down' state tests
 267   RunTestIf("instance-reinstall", qa_instance.TestInstanceReinstall, instance)
 268   RunTestIf(["instance-reinstall", "rapi"],
 269             qa_rapi.TestRapiInstanceReinstall, instance)
 270
 271   if qa_config.TestEnabled("instance-rename"):
 272     rename_source = instance["name"]
 273     rename_target = qa_config.get("rename", None)
 274     # perform instance rename to the same name
 275     RunTest(qa_instance.TestInstanceRenameAndBack,
 276             rename_source, rename_source)
 277     RunTestIf("rapi", qa_rapi.TestRapiInstanceRenameAndBack,
 278               rename_source, rename_source)
 279     if rename_target is not None:
 280       # perform instance rename to a different name, if we have one configured
 281       RunTest(qa_instance.TestInstanceRenameAndBack,
 282               rename_source, rename_target)
 283       RunTestIf("rapi", qa_rapi.TestRapiInstanceRenameAndBack,
 284                 rename_source, rename_target)
 285
 286   RunTestIf(["instance-grow-disk"], qa_instance.TestInstanceGrowDisk, instance)
 287
 288   # and now start the instance again
 289   RunTestIf(DOWN_TESTS, qa_instance.TestInstanceStartup, instance)
 290
 291   RunTestIf("instance-reboot", qa_instance.TestInstanceReboot, instance)
 292
 293   RunTestIf("tags", qa_tags.TestInstanceTags, instance)
 294
 295   RunTestIf("cluster-verify", qa_cluster.TestClusterVerify)
 296
 297   RunTestIf("rapi", qa_rapi.TestInstance, instance)
 298
 299   # Lists instances, too
 300   RunTestIf("node-list", qa_node.TestNodeList)
 301
 302   # Some jobs have been run, let's test listing them
 303   RunTestIf("job-list", qa_job.TestJobList)
 304
 305
 306 def RunCommonNodeTests():
 307   """Run a few common node tests.
 308
 309   """
 310   RunTestIf("node-volumes", qa_node.TestNodeVolumes)
 311   RunTestIf("node-storage", qa_node.TestNodeStorage)
 312   RunTestIf("node-oob", qa_node.TestOutOfBand)
 313
 314
 315 def RunGroupListTests():
 316   """Run tests for listing node groups.
 317
 318   """
 319   RunTestIf("group-list", qa_group.TestGroupList)
 320   RunTestIf("group-list", qa_group.TestGroupListFields)
 321
 322
 323 def RunGroupRwTests():
 324   """Run tests for adding/removing/renaming groups.
 325
 326   """
 327   RunTestIf("group-rwops", qa_group.TestGroupAddRemoveRename)
 328   RunTestIf("group-rwops", qa_group.TestGroupAddWithOptions)
 329   RunTestIf("group-rwops", qa_group.TestGroupModify)
 330   RunTestIf(["group-rwops", "rapi"], qa_rapi.TestRapiNodeGroups)
 331   RunTestIf(["group-rwops", "tags"], qa_tags.TestGroupTags,
 332             qa_group.GetDefaultGroup())
 333
 334
 335 def RunExportImportTests(instance, pnode, snode):
 336   """Tries to export and import the instance.
 337
 338   @param pnode: current primary node of the instance
 339   @param snode: current secondary node of the instance, if any,
 340       otherwise None
 341
 342   """
 343   if qa_config.TestEnabled("instance-export"):
 344     RunTest(qa_instance.TestInstanceExportNoTarget, instance)
 345
 346     expnode = qa_config.AcquireNode(exclude=pnode)
 347     try:
 348       name = RunTest(qa_instance.TestInstanceExport, instance, expnode)
 349
 350       RunTest(qa_instance.TestBackupList, expnode)
 351
 352       if qa_config.TestEnabled("instance-import"):
 353         newinst = qa_config.AcquireInstance()
 354         try:
 355           RunTest(qa_instance.TestInstanceImport, newinst, pnode,
 356                   expnode, name)
 357           # Check if starting the instance works
 358           RunTest(qa_instance.TestInstanceStartup, newinst)
 359           RunTest(qa_instance.TestInstanceRemove, newinst)
 360         finally:
 361           qa_config.ReleaseInstance(newinst)
 362     finally:
 363       qa_config.ReleaseNode(expnode)
 364
 365   if qa_config.TestEnabled(["rapi", "inter-cluster-instance-move"]):
 366     newinst = qa_config.AcquireInstance()
 367     try:
 368       if snode is None:
 369         excl = [pnode]
 370       else:
 371         excl = [pnode, snode]
 372       tnode = qa_config.AcquireNode(exclude=excl)
 373       try:
 374         RunTest(qa_rapi.TestInterClusterInstanceMove, instance, newinst,
 375                 pnode, snode, tnode)
 376       finally:
 377         qa_config.ReleaseNode(tnode)
 378     finally:
 379       qa_config.ReleaseInstance(newinst)
 380
 381
 382 def RunDaemonTests(instance):
 383   """Test the ganeti-watcher script.
 384
 385   """
 386   RunTest(qa_daemon.TestPauseWatcher)
 387
 388   RunTestIf("instance-automatic-restart",
 389             qa_daemon.TestInstanceAutomaticRestart, instance)
 390   RunTestIf("instance-consecutive-failures",
 391             qa_daemon.TestInstanceConsecutiveFailures, instance)
 392
 393   RunTest(qa_daemon.TestResumeWatcher)
 394
 395
 396 def RunSingleHomedHardwareFailureTests(instance, pnode):
 397   """Test hardware failure recovery for single-homed instances.
 398
 399   """
 400   if qa_config.TestEnabled("instance-recreate-disks"):
 401     othernode = qa_config.AcquireNode(exclude=[pnode])
 402     try:
 403       RunTest(qa_instance.TestRecreateDisks,
 404               instance, pnode, None, [othernode])
 405     finally:
 406       qa_config.ReleaseNode(othernode)
 407
 408
 409 def RunHardwareFailureTests(instance, pnode, snode):
 410   """Test cluster internal hardware failure recovery.
 411
 412   """
 413   RunTestIf("instance-failover", qa_instance.TestInstanceFailover, instance)
 414   RunTestIf(["instance-failover", "rapi"],
 415             qa_rapi.TestRapiInstanceFailover, instance)
 416
 417   RunTestIf("instance-migrate", qa_instance.TestInstanceMigrate, instance)
 418   RunTestIf(["instance-migrate", "rapi"],
 419             qa_rapi.TestRapiInstanceMigrate, instance)
 420
 421   if qa_config.TestEnabled("instance-replace-disks"):
 422     othernode = qa_config.AcquireNode(exclude=[pnode, snode])
 423     try:
 424       RunTestIf("rapi", qa_rapi.TestRapiInstanceReplaceDisks, instance)
 425       RunTest(qa_instance.TestReplaceDisks,
 426               instance, pnode, snode, othernode)
 427     finally:
 428       qa_config.ReleaseNode(othernode)
 429
 430   if qa_config.TestEnabled("instance-recreate-disks"):
 431     othernode1 = qa_config.AcquireNode(exclude=[pnode, snode])
 432     try:
 433       othernode2 = qa_config.AcquireNode(exclude=[pnode, snode, othernode1])
 434     except qa_error.OutOfNodesError:
 435       # Let's reuse one of the nodes if the cluster is not big enough
 436       othernode2 = pnode
 437     try:
 438       RunTest(qa_instance.TestRecreateDisks,
 439               instance, pnode, snode, [othernode1, othernode2])
 440     finally:
 441       qa_config.ReleaseNode(othernode1)
 442       if othernode2 != pnode:
 443         qa_config.ReleaseNode(othernode2)
 444
 445   RunTestIf("node-evacuate", qa_node.TestNodeEvacuate, pnode, snode)
 446
 447   RunTestIf("node-failover", qa_node.TestNodeFailover, pnode, snode)
 448
 449   RunTestIf("instance-disk-failure", qa_instance.TestInstanceMasterDiskFailure,
 450             instance, pnode, snode)
 451   RunTestIf("instance-disk-failure",
 452             qa_instance.TestInstanceSecondaryDiskFailure, instance,
 453             pnode, snode)
 454
 455
 456 def RunQa():
 457   """Main QA body.
 458
 459   """
 460   rapi_user = "ganeti-qa"
 461   rapi_secret = utils.GenerateSecret()
 462
 463   RunEnvTests()
 464   SetupCluster(rapi_user, rapi_secret)
 465
 466   # Load RAPI certificate
 467   qa_rapi.Setup(rapi_user, rapi_secret)
 468
 469   RunClusterTests()
 470   RunOsTests()
 471
 472   RunTestIf("tags", qa_tags.TestClusterTags)
 473
 474   RunCommonNodeTests()
 475   RunGroupListTests()
 476   RunGroupRwTests()
 477
 478   # The master shouldn't be readded or put offline; "delay" needs a non-master
 479   # node to test
 480   pnode = qa_config.AcquireNode(exclude=qa_config.GetMasterNode())
 481   try:
 482     RunTestIf("node-readd", qa_node.TestNodeReadd, pnode)
 483     RunTestIf("node-modify", qa_node.TestNodeModify, pnode)
 484     RunTestIf("delay", qa_cluster.TestDelay, pnode)
 485   finally:
 486     qa_config.ReleaseNode(pnode)
 487
 488   pnode = qa_config.AcquireNode()
 489   try:
 490     RunTestIf("tags", qa_tags.TestNodeTags, pnode)
 491
 492     if qa_rapi.Enabled():
 493       RunTest(qa_rapi.TestNode, pnode)
 494
 495       if qa_config.TestEnabled("instance-add-plain-disk"):
 496         for use_client in [True, False]:
 497           rapi_instance = RunTest(qa_rapi.TestRapiInstanceAdd, pnode,
 498                                   use_client)
 499           if qa_config.TestEnabled("instance-plain-rapi-common-tests"):
 500             RunCommonInstanceTests(rapi_instance)
 501           RunTest(qa_rapi.TestRapiInstanceRemove, rapi_instance, use_client)
 502           del rapi_instance
 503
 504     if qa_config.TestEnabled("instance-add-plain-disk"):
 505       instance = RunTest(qa_instance.TestInstanceAddWithPlainDisk, pnode)
 506       RunCommonInstanceTests(instance)
 507       RunGroupListTests()
 508       RunTestIf("cluster-epo", qa_cluster.TestClusterEpo)
 509       RunExportImportTests(instance, pnode, None)
 510       RunDaemonTests(instance)
 511       RunRepairDiskSizes()
 512       RunSingleHomedHardwareFailureTests(instance, pnode)
 513       RunTest(qa_instance.TestInstanceRemove, instance)
 514       del instance
 515
 516     multinode_tests = [
 517       ("instance-add-drbd-disk",
 518        qa_instance.TestInstanceAddWithDrbdDisk),
 519     ]
 520
 521     for name, func in multinode_tests:
 522       if qa_config.TestEnabled(name):
 523         snode = qa_config.AcquireNode(exclude=pnode)
 524         try:
 525           instance = RunTest(func, pnode, snode)
 526           RunTestIf("haskell-confd", qa_node.TestNodeListDrbd, pnode)
 527           RunTestIf("haskell-confd", qa_node.TestNodeListDrbd, snode)
 528           RunCommonInstanceTests(instance)
 529           RunGroupListTests()
 530           RunTestIf("group-rwops", qa_group.TestAssignNodesIncludingSplit,
 531                     constants.INITIAL_NODE_GROUP_NAME,
 532                     pnode["primary"], snode["primary"])
 533           if qa_config.TestEnabled("instance-convert-disk"):
 534             RunTest(qa_instance.TestInstanceShutdown, instance)
 535             RunTest(qa_instance.TestInstanceConvertDisk, instance, snode)
 536             RunTest(qa_instance.TestInstanceStartup, instance)
 537           RunExportImportTests(instance, pnode, snode)
 538           RunHardwareFailureTests(instance, pnode, snode)
 539           RunRepairDiskSizes()
 540           RunTest(qa_instance.TestInstanceRemove, instance)
 541           del instance
 542         finally:
 543           qa_config.ReleaseNode(snode)
 544
 545   finally:
 546     qa_config.ReleaseNode(pnode)
 547
 548   # Test removing instance with offline drbd secondary
 549   if qa_config.TestEnabled("instance-remove-drbd-offline"):
 550     # Make sure the master is not put offline
 551     snode = qa_config.AcquireNode(exclude=qa_config.GetMasterNode())
 552     try:
 553       pnode = qa_config.AcquireNode(exclude=snode)
 554       try:
 555         instance = qa_instance.TestInstanceAddWithDrbdDisk(pnode, snode)
 556         qa_node.MakeNodeOffline(snode, "yes")
 557         try:
 558           RunTest(qa_instance.TestInstanceRemove, instance)
 559         finally:
 560           qa_node.MakeNodeOffline(snode, "no")
 561       finally:
 562         qa_config.ReleaseNode(pnode)
 563     finally:
 564       qa_config.ReleaseNode(snode)
 565
 566   pnode = qa_config.AcquireNode()
 567   try:
 568     if qa_config.TestEnabled(["instance-add-plain-disk", "instance-export"]):
 569       for shutdown in [False, True]:
 570         instance = RunTest(qa_instance.TestInstanceAddWithPlainDisk, pnode)
 571         expnode = qa_config.AcquireNode(exclude=pnode)
 572         try:
 573           if shutdown:
 574             # Stop instance before exporting and removing it
 575             RunTest(qa_instance.TestInstanceShutdown, instance)
 576           RunTest(qa_instance.TestInstanceExportWithRemove, instance, expnode)
 577           RunTest(qa_instance.TestBackupList, expnode)
 578         finally:
 579           qa_config.ReleaseNode(expnode)
 580         del expnode
 581         del instance
 582
 583   finally:
 584     qa_config.ReleaseNode(pnode)
 585
 586   RunTestIf("create-cluster", qa_node.TestNodeRemoveAll)
 587
 588   RunTestIf("cluster-destroy", qa_cluster.TestClusterDestroy)
 589
 590
 591 @UsesRapiClient
 592 def main():
 593   """Main program.
 594
 595   """
 596   parser = optparse.OptionParser(usage="%prog [options] <config-file>")
 597   parser.add_option("--yes-do-it", dest="yes_do_it",
 598                     action="store_true",
 599                     help="Really execute the tests")
 600   (qa_config.options, args) = parser.parse_args()
 601
 602   if len(args) == 1:
 603     (config_file, ) = args
 604   else:
 605     parser.error("Wrong number of arguments.")
 606
 607   if not qa_config.options.yes_do_it:
 608     print ("Executing this script irreversibly destroys any Ganeti\n"
 609            "configuration on all nodes involved. If you really want\n"
 610            "to start testing, supply the --yes-do-it option.")
 611     sys.exit(1)
 612
 613   qa_config.Load(config_file)
 614
 615   primary = qa_config.GetMasterNode()["primary"]
 616   qa_utils.StartMultiplexer(primary)
 617   print ("SSH command for primary node: %s" %
 618          utils.ShellQuoteArgs(qa_utils.GetSSHCommand(primary, "")))
 619   print ("SSH command for other nodes: %s" %
 620          utils.ShellQuoteArgs(qa_utils.GetSSHCommand("NODE", "")))
 621   try:
 622     RunQa()
 623   finally:
 624     qa_utils.CloseMultiplexers()
 625
 626 if __name__ == "__main__":
 627   main()