script/land.py

   1 #!/usr/bin/env python
   2 # run tests on all Samba subprojects and push to a git tree on success
   3 # Copyright Andrew Tridgell 2010
   4 # Copyright Jelmer Vernooij 2010
   5 # released under GNU GPL v3 or later
   6
   7 from cStringIO import StringIO
   8 import fcntl
   9 from subprocess import call, check_call, Popen, PIPE
  10 import os, tarfile, sys, time
  11 from optparse import OptionParser
  12 import smtplib
  13 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../selftest"))
  14 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../lib/testtools"))
  15 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../lib/subunit/python"))
  16 import subunit
  17 import testtools
  18 import subunithelper
  19 from email.mime.application import MIMEApplication
  20 from email.mime.text import MIMEText
  21 from email.mime.multipart import MIMEMultipart
  22
  23 samba_master = os.getenv('SAMBA_MASTER', 'git://git.samba.org/samba.git')
  24 samba_master_ssh = os.getenv('SAMBA_MASTER_SSH', 'git+ssh://git.samba.org/data/git/samba.git')
  25
  26 cleanup_list = []
  27
  28 os.putenv('CC', "ccache gcc")
  29
  30 tasks = {
  31     "source3" : [ ("autogen", "./autogen.sh", "text/plain"),
  32                   ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  33                   ("make basics", "make basics", "text/plain"),
  34                   ("make", "make -j 4 everything", "text/plain"), # don't use too many processes
  35                   ("install", "make install", "text/plain"),
  36                   ("test", "TDB_NO_FSYNC=1 make subunit-test", "text/x-subunit") ],
  37
  38     "source4" : [ ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  39                   ("make", "make -j", "text/plain"),
  40                   ("install", "make install", "text/plain"),
  41                   ("test", "TDB_NO_FSYNC=1 make subunit-test", "text/x-subunit") ],
  42
  43     "source4/lib/ldb" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  44                           ("make", "make -j", "text/plain"),
  45                           ("install", "make install", "text/plain"),
  46                           ("test", "make test", "text/plain") ],
  47
  48     "lib/tdb" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
  49                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  50                   ("make", "make -j", "text/plain"),
  51                   ("install", "make install", "text/plain"),
  52                   ("test", "make test", "text/plain") ],
  53
  54     "lib/talloc" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
  55                      ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  56                      ("make", "make -j", "text/plain"),
  57                      ("install", "make install", "text/plain"),
  58                      ("test", "make test", "text/x-subunit"), ],
  59
  60     "lib/replace" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
  61                       ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  62                       ("make", "make -j", "text/plain"),
  63                       ("install", "make install", "text/plain"),
  64                       ("test", "make test", "text/plain"), ],
  65
  66     "lib/tevent" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  67                      ("make", "make -j", "text/plain"),
  68                      ("install", "make install", "text/plain"),
  69                      ("test", "make test", "text/plain"), ],
  70 }
  71
  72
  73 def run_cmd(cmd, dir=None, show=None, output=False, checkfail=True, shell=False):
  74     if show is None:
  75         show = options.verbose
  76     if show:
  77         print("Running: '%s' in '%s'" % (cmd, dir))
  78     if output:
  79         return Popen(cmd, stdout=PIPE, cwd=dir, shell=shell).communicate()[0]
  80     elif checkfail:
  81         return check_call(cmd, cwd=dir, shell=shell)
  82     else:
  83         return call(cmd, cwd=dir, shell=shell)
  84
  85
  86 def clone_gitroot(test_master, revision="HEAD"):
  87     run_cmd(["git", "clone", "--shared", gitroot, test_master])
  88     if revision != "HEAD":
  89         run_cmd(["git", "checkout", revision])
  90
  91
  92 class RetryChecker(object):
  93     """Check whether it is necessary to retry."""
  94
  95     def __init__(self, dir):
  96         run_cmd(["git", "remote", "add", "-t", "master", "master", samba_master])
  97         run_cmd(["git", "fetch", "master"])
  98         cmd = '''set -e
  99                 while :; do
 100                   sleep 60
 101                   git describe master/master > old_master.desc
 102                   git fetch master
 103                   git describe master/master > master.desc
 104                   diff old_master.desc master.desc
 105                 done
 106                '''
 107         self.proc = Popen(cmd, shell=True, cwd=self.dir)
 108
 109     def poll(self):
 110         return self.proc.poll()
 111
 112     def kill(self):
 113         self.proc.terminate()
 114         self.proc.wait()
 115         self.retry.proc = None
 116
 117
 118 class TreeStageBuilder(object):
 119     """Handle building of a particular stage for a tree.
 120     """
 121
 122     def __init__(self, tree, name, command, fail_quickly=False):
 123         self.tree = tree
 124         self.name = name
 125         self.command = command
 126         self.fail_quickly = fail_quickly
 127         self.status = None
 128         self.stdin = open(os.devnull, 'r')
 129
 130     def start(self):
 131         raise NotImplementedError(self.start)
 132
 133     def poll(self):
 134         self.status = self.proc.poll()
 135         return self.status
 136
 137     def kill(self):
 138         if self.proc is not None:
 139             try:
 140                 run_cmd(["killbysubdir", self.tree.sdir], checkfail=False)
 141             except OSError:
 142                 # killbysubdir doesn't exist ?
 143                 pass
 144             self.proc.terminate()
 145             self.proc.wait()
 146             self.proc = None
 147
 148     @property
 149     def failure_reason(self):
 150         return "failed '%s' with status %d" % (self.cmd, self.status)
 151
 152     @property
 153     def failed(self):
 154         return (os.WIFSIGNALED(self.status) or os.WEXITSTATUS(self.status) != 0)
 155
 156
 157 class PlainTreeStageBuilder(TreeStageBuilder):
 158
 159     def start(self):
 160         print '%s: [%s] Running %s' % (self.name, self.name, self.command)
 161         self.proc = Popen(self.command, shell=True, cwd=self.tree.dir,
 162                           stdout=self.tree.stdout, stderr=self.tree.stderr,
 163                           stdin=self.stdin)
 164
 165
 166 class AbortingTestResult(subunithelper.TestsuiteEnabledTestResult):
 167
 168     def __init__(self, stage):
 169         super(AbortingTestResult, self).__init__()
 170         self.stage = stage
 171
 172     def addError(self, test, details=None):
 173         self.stage.proc.terminate()
 174
 175     def addFailure(self, test, details=None):
 176         self.stage.proc.terminate()
 177
 178
 179 class SubunitTreeStageBuilder(TreeStageBuilder):
 180
 181     def __init__(self, tree, name, command, fail_quickly=False):
 182         super(SubunitTreeStageBuilder, self).__init__(tree, name, command,
 183                 fail_quickly)
 184         self.failed_tests = []
 185         self.subunit_path = os.path.join(gitroot,
 186             "%s.%s.subunit" % (self.tree.tag, self.name))
 187         self.tree.logfiles.append(
 188             (self.subunit_path, os.path.basename(self.subunit_path),
 189              "text/x-subunit"))
 190         self.subunit = open(self.subunit_path, 'w')
 191
 192         formatter = subunithelper.PlainFormatter(False, True, {})
 193         clients = [formatter, subunit.TestProtocolClient(self.subunit)]
 194         if fail_quickly:
 195             clients.append(AbortingTestResult(self))
 196         self.subunit_server = subunit.TestProtocolServer(
 197             testtools.MultiTestResult(*clients),
 198             self.subunit)
 199         self.buffered = ""
 200
 201     def start(self):
 202         print '%s: [%s] Running' % (self.tree.name, self.name)
 203         self.proc = Popen(self.command, shell=True, cwd=self.tree.dir,
 204             stdout=PIPE, stderr=self.tree.stderr, stdin=self.stdin)
 205         fd = self.proc.stdout.fileno()
 206         fl = fcntl.fcntl(fd, fcntl.F_GETFL)
 207         fcntl.fcntl(fd, fcntl.F_SETFL, fl | os.O_NONBLOCK)
 208
 209     def poll(self):
 210         try:
 211             data = self.proc.stdout.read()
 212         except IOError:
 213             return None
 214         else:
 215             self.buffered += data
 216             buffered = ""
 217             for l in self.buffered.splitlines(True):
 218                 if l[-1] == "\n":
 219                     self.subunit_server.lineReceived(l)
 220                 else:
 221                     buffered += l
 222             self.buffered = buffered
 223             self.status = self.proc.poll()
 224             if self.status is not None:
 225                 self.subunit.close()
 226             return self.status
 227
 228
 229 class TreeBuilder(object):
 230     '''handle build of one directory'''
 231
 232     def __init__(self, name, sequence, fail_quickly=False):
 233         self.name = name
 234         self.fail_quickly = fail_quickly
 235
 236         self.tag = self.name.replace('/', '_')
 237         self.sequence = sequence
 238         self.next = 0
 239         self.stdout_path = os.path.join(gitroot, "%s.stdout" % (self.tag, ))
 240         self.stderr_path = os.path.join(gitroot, "%s.stderr" % (self.tag, ))
 241         self.logfiles = [
 242             (self.stdout_path, os.path.basename(self.stdout_path), "text/plain"),
 243             (self.stderr_path, os.path.basename(self.stderr_path), "text/plain"),
 244             ]
 245         if options.verbose:
 246             print("stdout for %s in %s" % (self.name, self.stdout_path))
 247             print("stderr for %s in %s" % (self.name, self.stderr_path))
 248         if os.path.exists(self.stdout_path):
 249             os.unlink(self.stdout_path)
 250         if os.path.exists(self.stderr_path):
 251             os.unlink(self.stderr_path)
 252         self.stdout = open(self.stdout_path, 'w')
 253         self.stderr = open(self.stderr_path, 'w')
 254         self.sdir = os.path.join(testbase, self.tag)
 255         if name in ['pass', 'fail', 'retry']:
 256             self.dir = self.sdir
 257         else:
 258             self.dir = os.path.join(self.sdir, self.name)
 259         self.prefix = os.path.join(testbase, "prefix", self.tag)
 260         run_cmd(["rm", "-rf", self.sdir])
 261         cleanup_list.append(self.sdir)
 262         cleanup_list.append(self.prefix)
 263         os.makedirs(self.sdir)
 264         run_cmd(["rm",  "-rf", self.sdir])
 265         clone_gitroot(self.sdir, revision)
 266         self.start_next()
 267
 268     def start_next(self):
 269         if self.next == len(self.sequence):
 270             print '%s: Completed OK' % self.name
 271             self.done = True
 272             self.stdout.close()
 273             self.stderr.close()
 274             return
 275         (stage_name, cmd, output_mime_type) = self.sequence[self.next]
 276         cmd = cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 277         if output_mime_type == "text/plain":
 278             self.stage = PlainTreeStageBuilder(self, stage_name, cmd,
 279                 self.fail_quickly)
 280         elif output_mime_type == "text/x-subunit":
 281             self.stage = SubunitTreeStageBuilder(self, stage_name, cmd,
 282                 self.fail_quickly)
 283         else:
 284             raise Exception("Unknown output mime type %s" % output_mime_type)
 285         self.stage.start()
 286         self.next += 1
 287
 288     def remove_logs(self):
 289         for path, name, mime_type in self.logfiles:
 290             os.unlink(path)
 291
 292     @property
 293     def status(self):
 294         return self.stage.status
 295
 296     def poll(self):
 297         return self.stage.poll()
 298
 299     def kill(self):
 300         if self.stage is not None:
 301             self.stage.kill()
 302             self.stage = None
 303
 304     @property
 305     def failed(self):
 306         if self.stage is None:
 307             return False
 308         return self.stage.failed
 309
 310     @property
 311     def failure_reason(self):
 312         return "%s: [%s] %s" % (self.name, self.stage.name,
 313             self.stage.failure_reason)
 314
 315
 316 class BuildList(object):
 317     '''handle build of multiple directories'''
 318
 319     def __init__(self, tasklist, tasknames):
 320         global tasks
 321         self.tlist = []
 322         self.tail_proc = None
 323         self.retry = None
 324         if tasknames == ['pass']:
 325             tasks = { 'pass' : [ ("pass", '/bin/true', "text/plain") ]}
 326         if tasknames == ['fail']:
 327             tasks = { 'fail' : [ ("fail", '/bin/false', "text/plain") ]}
 328         if tasknames == []:
 329             tasknames = tasklist
 330         for n in tasknames:
 331             b = TreeBuilder(n, tasks[n], not options.fail_slowly)
 332             self.tlist.append(b)
 333         if options.retry:
 334             self.retry = RetryChecker(self.sdir)
 335             self.need_retry = False
 336
 337     def kill_kids(self):
 338         if self.tail_proc is not None:
 339             self.tail_proc.terminate()
 340             self.tail_proc.wait()
 341             self.tail_proc = None
 342         if self.retry is not None:
 343             self.retry.kill()
 344         for b in self.tlist:
 345             b.kill()
 346
 347     def wait_one(self):
 348         while True:
 349             none_running = True
 350             for b in self.tlist:
 351                 if b.stage is None:
 352                     continue
 353                 none_running = False
 354                 if b.poll() is None:
 355                     continue
 356                 b.stage = None
 357                 return b
 358             if options.retry:
 359                 ret = self.retry.poll()
 360                 if ret:
 361                     self.need_retry = True
 362                     self.retry = None
 363                     return None
 364             if none_running:
 365                 return None
 366             time.sleep(0.1)
 367
 368     def run(self):
 369         while True:
 370             b = self.wait_one()
 371             if options.retry and self.need_retry:
 372                 self.kill_kids()
 373                 print("retry needed")
 374                 return (0, None, None, None, "retry")
 375             if b is None:
 376                 break
 377             if b.failed:
 378                 self.kill_kids()
 379                 return (b.status, b.name, b.stage, b.tag, b.failure_reason)
 380             b.start_next()
 381         self.kill_kids()
 382         return (0, None, None, None, "All OK")
 383
 384     def tarlogs(self, name=None, fileobj=None):
 385         tar = tarfile.open(name=name, fileobj=fileobj, mode="w:gz")
 386         for b in self.tlist:
 387             for (path, name, mime_type) in b.logfiles:
 388                 tar.add(path, arcname=name)
 389         if os.path.exists("autobuild.log"):
 390             tar.add("autobuild.log")
 391         tar.close()
 392
 393     def attach_logs(self, outer):
 394         f = StringIO()
 395         self.tarlogs(fileobj=f)
 396         msg = MIMEApplication(f.getvalue(), "x-gzip")
 397         msg.add_header('Content-Disposition', 'attachment',
 398                        filename="logs.tar.gz")
 399         outer.attach(msg)
 400
 401     def remove_logs(self):
 402         for b in self.tlist:
 403             b.remove_logs()
 404
 405     def start_tail(self):
 406         cmd = "tail -f *.stdout *.stderr"
 407         self.tail_proc = Popen(cmd, shell=True, cwd=gitroot)
 408
 409
 410 def cleanup():
 411     if options.nocleanup:
 412         return
 413     print("Cleaning up ....")
 414     for d in cleanup_list:
 415         run_cmd(["rm", "-rf", d])
 416
 417
 418 def find_git_root(p):
 419     '''get to the top of the git repo'''
 420     while p != '/':
 421         if os.path.isdir(os.path.join(p, ".git")):
 422             return p
 423         p = os.path.abspath(os.path.join(p, '..'))
 424     return None
 425
 426
 427 def daemonize(logfile):
 428     pid = os.fork()
 429     if pid == 0: # Parent
 430         os.setsid()
 431         pid = os.fork()
 432         if pid != 0: # Actual daemon
 433             os._exit(0)
 434     else: # Grandparent
 435         os._exit(0)
 436
 437     import resource      # Resource usage information.
 438     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 439     if maxfd == resource.RLIM_INFINITY:
 440         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 441     for fd in range(0, maxfd):
 442         try:
 443             os.close(fd)
 444         except OSError:
 445             pass
 446     os.open(logfile, os.O_RDWR | os.O_CREAT)
 447     os.dup2(0, 1)
 448     os.dup2(0, 2)
 449
 450
 451 def rebase_tree(url):
 452     print("Rebasing on %s" % url)
 453     run_cmd(["git", "remote", "add", "-t", "master", "master", url], show=True,
 454             dir=test_master)
 455     run_cmd(["git", "fetch", "master"], show=True, dir=test_master)
 456     if options.fix_whitespace:
 457         run_cmd(["git", "rebase", "--whitespace=fix", "master/master"],
 458                 show=True, dir=test_master)
 459     else:
 460         run_cmd(["git", "rebase", "master/master"], show=True, dir=test_master)
 461     diff = run_cmd(["git", "--no-pager", "diff", "HEAD", "master/master"],
 462         dir=test_master, output=True)
 463     if diff == '':
 464         print("No differences between HEAD and master/master - exiting")
 465         sys.exit(0)
 466
 467 def push_to(url):
 468     print("Pushing to %s" % url)
 469     if options.mark:
 470         run_cmd("EDITOR=script/commit_mark.sh git commit --amend -c HEAD",
 471             dir=test_master, shell=True)
 472         # the notes method doesn't work yet, as metze hasn't allowed
 473         # refs/notes/* in master
 474         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD",
 475         #     dir=test_master)
 476     run_cmd(["git", "remote", "add", "-t", "master", "pushto", url], show=True,
 477         dir=test_master)
 478     run_cmd(["git", "push", "pushto", "+HEAD:master"], show=True,
 479         dir=test_master)
 480
 481 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 482
 483 parser = OptionParser()
 484 parser.add_option("--repository", help="repository to run tests for", default=None, type=str)
 485 parser.add_option("--revision", help="revision to compile if not HEAD", default=None, type=str)
 486 parser.add_option("--tail", help="show output while running", default=False, action="store_true")
 487 parser.add_option("--keeplogs", help="keep logs", default=False, action="store_true")
 488 parser.add_option("--nocleanup", help="don't remove test tree", default=False, action="store_true")
 489 parser.add_option("--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 490                   default=def_testbase)
 491 parser.add_option("--passcmd", help="command to run on success", default=None)
 492 parser.add_option("--verbose", help="show all commands as they are run",
 493                   default=False, action="store_true")
 494 parser.add_option("--rebase", help="rebase on the given tree before testing",
 495                   default=None, type='str')
 496 parser.add_option("--rebase-master", help="rebase on %s before testing" % samba_master,
 497                   default=False, action='store_true')
 498 parser.add_option("--pushto", help="push to a git url on success",
 499                   default=None, type='str')
 500 parser.add_option("--push-master", help="push to %s on success" % samba_master_ssh,
 501                   default=False, action='store_true')
 502 parser.add_option("--mark", help="add a Tested-By signoff before pushing",
 503                   default=False, action="store_true")
 504 parser.add_option("--fix-whitespace", help="fix whitespace on rebase",
 505                   default=False, action="store_true")
 506 parser.add_option("--retry", help="automatically retry if master changes",
 507                   default=False, action="store_true")
 508 parser.add_option("--email", help="send email to the given address on failure",
 509                   type='str', default=None)
 510 parser.add_option("--always-email", help="always send email, even on success",
 511                   action="store_true")
 512 parser.add_option("--daemon", help="daemonize after initial setup",
 513                   action="store_true")
 514 parser.add_option("--fail-slowly", help="continue running tests even after one has already failed",
 515                   action="store_true")
 516
 517
 518 def email_failure(blist, status, failed_task, failed_stage, failed_tag, errstr):
 519     '''send an email to options.email about the failure'''
 520     user = os.getenv("USER")
 521     text = '''
 522 Dear Developer,
 523
 524 Your autobuild failed when trying to test %s with the following error:
 525    %s
 526
 527 the autobuild has been abandoned. Please fix the error and resubmit.
 528
 529 You can see logs of the failed task here:
 530
 531   http://git.samba.org/%s/samba-autobuild/%s.stdout
 532   http://git.samba.org/%s/samba-autobuild/%s.stderr
 533
 534 A summary of the autobuild process is here:
 535
 536   http://git.samba.org/%s/samba-autobuild/autobuild.log
 537
 538 or you can get full logs of all tasks in this job here:
 539
 540   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 541
 542 The top commit for the tree that was built was:
 543
 544 %s
 545
 546 ''' % (failed_task, errstr, user, failed_tag, user, failed_tag, user, user,
 547        get_top_commit_msg(test_master))
 548
 549     msg = MIMEMultipart()
 550     msg['Subject'] = 'autobuild failure for task %s during %s' % (
 551         failed_task, failed_stage)
 552     msg['From'] = 'autobuild@samba.org'
 553     msg['To'] = options.email
 554
 555     main = MIMEText(text)
 556     msg.attach(main)
 557
 558     blist.attach_logs(msg)
 559
 560     s = smtplib.SMTP()
 561     s.connect()
 562     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 563     s.quit()
 564
 565 def email_success(blist):
 566     '''send an email to options.email about a successful build'''
 567     user = os.getenv("USER")
 568     text = '''
 569 Dear Developer,
 570
 571 Your autobuild has succeeded.
 572
 573 '''
 574
 575     if options.keeplogs:
 576         text += '''
 577
 578 you can get full logs of all tasks in this job here:
 579
 580   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 581
 582 ''' % user
 583
 584     text += '''
 585 The top commit for the tree that was built was:
 586
 587 %s
 588 ''' % (get_top_commit_msg(test_master),)
 589
 590     msg = MIMEMultipart()
 591     msg['Subject'] = 'autobuild success'
 592     msg['From'] = 'autobuild@samba.org'
 593     msg['To'] = options.email
 594
 595     main = MIMEText(text, 'plain')
 596     msg.attach(main)
 597
 598     blist.attach_logs(msg)
 599
 600     s = smtplib.SMTP()
 601     s.connect()
 602     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 603     s.quit()
 604
 605
 606 (options, args) = parser.parse_args()
 607
 608 if options.retry:
 609     if not options.rebase_master and options.rebase is None:
 610         raise Exception('You can only use --retry if you also rebase')
 611
 612 testbase = os.path.join(options.testbase, "b%u" % (os.getpid(),))
 613 test_master = os.path.join(testbase, "master")
 614
 615 if options.repository is not None:
 616     repository = options.repository
 617 else:
 618     repository = os.getcwd()
 619
 620 gitroot = find_git_root(repository)
 621 if gitroot is None:
 622     raise Exception("Failed to find git root under %s" % repository)
 623
 624 # get the top commit message, for emails
 625 if options.revision is not None:
 626     revision = options.revision
 627 else:
 628     revision = "HEAD"
 629
 630 def get_top_commit_msg(reporoot):
 631     return run_cmd(["git", "log", "-1"], dir=reporoot, output=True)
 632
 633 try:
 634     os.makedirs(testbase)
 635 except Exception, reason:
 636     raise Exception("Unable to create %s : %s" % (testbase, reason))
 637 cleanup_list.append(testbase)
 638
 639 if options.daemon:
 640     logfile = os.path.join(testbase, "log")
 641     print "Forking into the background, writing progress to %s" % logfile
 642     daemonize(logfile)
 643
 644 while True:
 645     try:
 646         run_cmd(["rm", "-rf", test_master])
 647         cleanup_list.append(test_master)
 648         clone_gitroot(test_master, revision)
 649     except:
 650         cleanup()
 651         raise
 652
 653     try:
 654         if options.rebase is not None:
 655             rebase_tree(options.rebase)
 656         elif options.rebase_master:
 657             rebase_tree(samba_master)
 658         blist = BuildList(tasks, args)
 659         if options.tail:
 660             blist.start_tail()
 661         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 662         if status != 0 or errstr != "retry":
 663             break
 664         cleanup()
 665     except:
 666         cleanup()
 667         raise
 668
 669 blist.kill_kids()
 670 if options.tail:
 671     print("waiting for tail to flush")
 672     time.sleep(1)
 673
 674 if status == 0:
 675     print errstr
 676     if options.passcmd is not None:
 677         print("Running passcmd: %s" % options.passcmd)
 678         run_cmd(options.passcmd, dir=test_master, shell=True)
 679     if options.pushto is not None:
 680         push_to(options.pushto)
 681     elif options.push_master:
 682         push_to(samba_master_ssh)
 683     if options.keeplogs:
 684         blist.tarlogs("logs.tar.gz")
 685         print("Logs in logs.tar.gz")
 686     if options.always_email:
 687         email_success(blist)
 688     blist.remove_logs()
 689     cleanup()
 690     print(errstr)
 691 else:
 692     # something failed, gather a tar of the logs
 693     blist.tarlogs("logs.tar.gz")
 694
 695     if options.email is not None:
 696         email_failure(blist, status, failed_task, failed_stage, failed_tag,
 697             errstr)
 698
 699     cleanup()
 700     print(errstr)
 701     print("Logs in logs.tar.gz")
 702 sys.exit(status)