script/autobuild.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 # released under GNU GPL v3 or later
   5
   6 from subprocess import call, check_call,Popen, PIPE
   7 import os, tarfile, sys, time
   8 from optparse import OptionParser
   9 import smtplib
  10 from email.mime.text import MIMEText
  11
  12 samba_master = os.getenv('SAMBA_MASTER', 'git://git.samba.org/samba.git')
  13 samba_master_ssh = os.getenv('SAMBA_MASTER_SSH', 'git+ssh://git.samba.org/data/git/samba.git')
  14
  15 cleanup_list = []
  16
  17 builddirs = {
  18     "samba3"  : "source3",
  19     "samba4"  : ".",
  20     "ldb"     : "lib/ldb",
  21     "tdb"     : "lib/tdb",
  22     "tdb2"    : "lib/tdb2",
  23     "talloc"  : "lib/talloc",
  24     "replace" : "lib/replace",
  25     "tevent"  : "lib/tevent",
  26     "pidl"    : "pidl",
  27     "pass"    : ".",
  28     "fail"    : ".",
  29     "retry"   : "."
  30     }
  31
  32 defaulttasks = [ "samba3", "samba4", "ldb", "tdb", "tdb2", "talloc", "replace", "tevent", "pidl" ]
  33
  34 tasks = {
  35     "samba3" : [ ("autogen", "./autogen.sh", "text/plain"),
  36                  ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  37                  ("make basics", "make basics", "text/plain"),
  38                  # we split 'make -j 4', 'make bin/smbtorture4' and 'make -j 4 everything'
  39                  # because it makes it much easier to find errors.
  40                  ("make", "make -j 4", "text/plain"), # don't use too many processes
  41                  ("make bin/smbtorture4", "make -j 4 bin/smbtorture4", "text/plain"),
  42                  ("make everything", "make -j 4 everything", "text/plain"),
  43                  ("install", "make install", "text/plain"),
  44                  ("test", "TDB_NO_FSYNC=1 make test FAIL_IMMEDIATELY=1", "text/plain"),
  45                  ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  46                  ("clean", "make clean", "text/plain") ],
  47
  48     # We have 'test' before 'install' because, 'test' should work without 'install'
  49     "samba4" : [ ("configure", "./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab", "text/plain"),
  50                  ("make", "make -j", "text/plain"),
  51                  ("test", "TDB_NO_FSYNC=1 make test FAIL_IMMEDIATELY=1", "text/plain"),
  52                  ("install", "make install", "text/plain"),
  53                  ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  54                  ("clean", "make clean", "text/plain") ],
  55
  56     "ldb" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  57               ("make", "make -j", "text/plain"),
  58               ("install", "make install", "text/plain"),
  59               ("test", "TDB_NO_FSYNC=1 make test", "text/plain"),
  60               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  61               ("distcheck", "make distcheck", "text/plain"),
  62               ("clean", "make clean", "text/plain") ],
  63
  64     # We don't use TDB_NO_FSYNC=1 here, because we want to test the transaction code
  65     "tdb" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  66               ("make", "make -j", "text/plain"),
  67               ("install", "make install", "text/plain"),
  68               ("test", "make test", "text/plain"),
  69               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  70               ("distcheck", "make distcheck", "text/plain"),
  71               ("clean", "make clean", "text/plain") ],
  72
  73     "tdb2" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  74                ("make", "make -j", "text/plain"),
  75                ("install", "make install", "text/plain"),
  76                ("test", "make test", "text/plain"),
  77                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  78                ("distcheck", "make distcheck", "text/plain"),
  79                ("clean", "make clean", "text/plain") ],
  80
  81     "talloc" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  82                  ("make", "make -j", "text/plain"),
  83                  ("install", "make install", "text/plain"),
  84                  ("test", "make test", "text/plain"),
  85                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  86                  ("distcheck", "make distcheck", "text/plain"),
  87                  ("clean", "make clean", "text/plain") ],
  88
  89     "replace" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  90                   ("make", "make -j", "text/plain"),
  91                   ("install", "make install", "text/plain"),
  92                   ("test", "make test", "text/plain"),
  93                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  94                   ("distcheck", "make distcheck", "text/plain"),
  95                   ("clean", "make clean", "text/plain") ],
  96
  97     "tevent" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  98                  ("make", "make -j", "text/plain"),
  99                  ("install", "make install", "text/plain"),
 100                  ("test", "make test", "text/plain"),
 101                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 102                  ("distcheck", "make distcheck", "text/plain"),
 103                  ("clean", "make clean", "text/plain") ],
 104
 105     "pidl" : [ ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 106                ("touch", "touch *.yp", "text/plain"),
 107                ("make", "make", "text/plain"),
 108                ("test", "make test", "text/plain"),
 109                ("install", "make install", "text/plain"),
 110                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 111                ("clean", "make clean", "text/plain") ],
 112
 113     # these are useful for debugging autobuild
 114     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 115     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 116 }
 117
 118 retry_task = [ ( "retry",
 119                  '''set -e
 120                 git remote add -t master master %s
 121                 git fetch master
 122                 while :; do
 123                   sleep 60
 124                   git describe master/master > old_master.desc
 125                   git fetch master
 126                   git describe master/master > master.desc
 127                   diff old_master.desc master.desc
 128                 done
 129                ''' % samba_master, "test/plain" ) ]
 130
 131 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 132     if show is None:
 133         show = options.verbose
 134     if show:
 135         print("Running: '%s' in '%s'" % (cmd, dir))
 136     if output:
 137         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 138     elif checkfail:
 139         return check_call(cmd, shell=True, cwd=dir)
 140     else:
 141         return call(cmd, shell=True, cwd=dir)
 142
 143
 144 class builder(object):
 145     '''handle build of one directory'''
 146
 147     def __init__(self, name, sequence):
 148         self.name = name
 149         self.dir = builddirs[name]
 150
 151         self.tag = self.name.replace('/', '_')
 152         self.sequence = sequence
 153         self.next = 0
 154         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 155         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 156         if options.verbose:
 157             print("stdout for %s in %s" % (self.name, self.stdout_path))
 158             print("stderr for %s in %s" % (self.name, self.stderr_path))
 159         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 160         self.stdout = open(self.stdout_path, 'w')
 161         self.stderr = open(self.stderr_path, 'w')
 162         self.stdin  = open("/dev/null", 'r')
 163         self.sdir = "%s/%s" % (testbase, self.tag)
 164         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 165         run_cmd("rm -rf %s" % self.sdir)
 166         cleanup_list.append(self.sdir)
 167         cleanup_list.append(self.prefix)
 168         os.makedirs(self.sdir)
 169         run_cmd("rm -rf %s" % self.sdir)
 170         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 171         self.start_next()
 172
 173     def start_next(self):
 174         if self.next == len(self.sequence):
 175             print '%s: Completed OK' % self.name
 176             self.done = True
 177             return
 178         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 179         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 180         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 181 #        if self.output_mime_type == "text/x-subunit":
 182 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 183         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 184         cwd = os.getcwd()
 185         os.chdir("%s/%s" % (self.sdir, self.dir))
 186         self.proc = Popen(self.cmd, shell=True,
 187                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 188         os.chdir(cwd)
 189         self.next += 1
 190
 191
 192 class buildlist(object):
 193     '''handle build of multiple directories'''
 194
 195     def __init__(self, tasklist, tasknames):
 196         global tasks
 197         self.tlist = []
 198         self.tail_proc = None
 199         self.retry = None
 200         if tasknames == []:
 201             tasknames = defaulttasks
 202         for n in tasknames:
 203             b = builder(n, tasks[n])
 204             self.tlist.append(b)
 205         if options.retry:
 206             self.retry = builder('retry', retry_task)
 207             self.need_retry = False
 208
 209     def kill_kids(self):
 210         if self.tail_proc is not None:
 211             self.tail_proc.terminate()
 212             self.tail_proc.wait()
 213             self.tail_proc = None
 214         if self.retry is not None:
 215             self.retry.proc.terminate()
 216             self.retry.proc.wait()
 217             self.retry = None
 218         for b in self.tlist:
 219             if b.proc is not None:
 220                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 221                 b.proc.terminate()
 222                 b.proc.wait()
 223                 b.proc = None
 224
 225     def wait_one(self):
 226         while True:
 227             none_running = True
 228             for b in self.tlist:
 229                 if b.proc is None:
 230                     continue
 231                 none_running = False
 232                 b.status = b.proc.poll()
 233                 if b.status is None:
 234                     continue
 235                 b.proc = None
 236                 return b
 237             if options.retry:
 238                 ret = self.retry.proc.poll()
 239                 if ret is not None:
 240                     self.need_retry = True
 241                     self.retry = None
 242                     return None
 243             if none_running:
 244                 return None
 245             time.sleep(0.1)
 246
 247     def run(self):
 248         while True:
 249             b = self.wait_one()
 250             if options.retry and self.need_retry:
 251                 self.kill_kids()
 252                 print("retry needed")
 253                 return (0, None, None, None, "retry")
 254             if b is None:
 255                 break
 256             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 257                 self.kill_kids()
 258                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 259             b.start_next()
 260         self.kill_kids()
 261         return (0, None, None, None, "All OK")
 262
 263     def tarlogs(self, fname):
 264         tar = tarfile.open(fname, "w:gz")
 265         for b in self.tlist:
 266             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 267             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 268         if os.path.exists("autobuild.log"):
 269             tar.add("autobuild.log")
 270         tar.close()
 271
 272     def remove_logs(self):
 273         for b in self.tlist:
 274             os.unlink(b.stdout_path)
 275             os.unlink(b.stderr_path)
 276
 277     def start_tail(self):
 278         cwd = os.getcwd()
 279         cmd = "tail -f *.stdout *.stderr"
 280         os.chdir(gitroot)
 281         self.tail_proc = Popen(cmd, shell=True)
 282         os.chdir(cwd)
 283
 284
 285 def cleanup():
 286     if options.nocleanup:
 287         return
 288     print("Cleaning up ....")
 289     for d in cleanup_list:
 290         run_cmd("rm -rf %s" % d)
 291
 292
 293 def find_git_root():
 294     '''get to the top of the git repo'''
 295     p=os.getcwd()
 296     while p != '/':
 297         if os.path.isdir(os.path.join(p, ".git")):
 298             return p
 299         p = os.path.abspath(os.path.join(p, '..'))
 300     return None
 301
 302
 303 def daemonize(logfile):
 304     pid = os.fork()
 305     if pid == 0: # Parent
 306         os.setsid()
 307         pid = os.fork()
 308         if pid != 0: # Actual daemon
 309             os._exit(0)
 310     else: # Grandparent
 311         os._exit(0)
 312
 313     import resource      # Resource usage information.
 314     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 315     if maxfd == resource.RLIM_INFINITY:
 316         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 317     for fd in range(0, maxfd):
 318         try:
 319             os.close(fd)
 320         except OSError:
 321             pass
 322     os.open(logfile, os.O_RDWR | os.O_CREAT)
 323     os.dup2(0, 1)
 324     os.dup2(0, 2)
 325
 326 def write_pidfile(fname):
 327     '''write a pid file, cleanup on exit'''
 328     f = open(fname, mode='w')
 329     f.write("%u\n" % os.getpid())
 330     f.close()
 331
 332
 333 def rebase_tree(url):
 334     print("Rebasing on %s" % url)
 335     run_cmd("git describe HEAD", show=True, dir=test_master)
 336     run_cmd("git remote add -t master master %s" % url, show=True, dir=test_master)
 337     run_cmd("git fetch master", show=True, dir=test_master)
 338     if options.fix_whitespace:
 339         run_cmd("git rebase --whitespace=fix master/master", show=True, dir=test_master)
 340     else:
 341         run_cmd("git rebase master/master", show=True, dir=test_master)
 342     diff = run_cmd("git --no-pager diff HEAD master/master", dir=test_master, output=True)
 343     if diff == '':
 344         print("No differences between HEAD and master/master - exiting")
 345         sys.exit(0)
 346     run_cmd("git describe master/master", show=True, dir=test_master)
 347     run_cmd("git describe HEAD", show=True, dir=test_master)
 348     run_cmd("git --no-pager diff --stat HEAD master/master", show=True, dir=test_master)
 349
 350 def push_to(url):
 351     print("Pushing to %s" % url)
 352     if options.mark:
 353         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 354         run_cmd("git commit --amend -c HEAD", dir=test_master)
 355         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 356         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 357     run_cmd("git remote add -t master pushto %s" % url, show=True, dir=test_master)
 358     run_cmd("git push pushto +HEAD:master", show=True, dir=test_master)
 359
 360 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 361
 362 parser = OptionParser()
 363 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 364 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 365 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 366 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 367                   default=def_testbase)
 368 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 369 parser.add_option("", "--verbose", help="show all commands as they are run",
 370                   default=False, action="store_true")
 371 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 372                   default=None, type='str')
 373 parser.add_option("", "--rebase-master", help="rebase on %s before testing" % samba_master,
 374                   default=False, action='store_true')
 375 parser.add_option("", "--pushto", help="push to a git url on success",
 376                   default=None, type='str')
 377 parser.add_option("", "--push-master", help="push to %s on success" % samba_master_ssh,
 378                   default=False, action='store_true')
 379 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 380                   default=False, action="store_true")
 381 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 382                   default=False, action="store_true")
 383 parser.add_option("", "--retry", help="automatically retry if master changes",
 384                   default=False, action="store_true")
 385 parser.add_option("", "--email", help="send email to the given address on failure",
 386                   type='str', default=None)
 387 parser.add_option("", "--always-email", help="always send email, even on success",
 388                   action="store_true")
 389 parser.add_option("", "--daemon", help="daemonize after initial setup",
 390                   action="store_true")
 391
 392
 393 def email_failure(status, failed_task, failed_stage, failed_tag, errstr):
 394     '''send an email to options.email about the failure'''
 395     user = os.getenv("USER")
 396     text = '''
 397 Dear Developer,
 398
 399 Your autobuild failed when trying to test %s with the following error:
 400    %s
 401
 402 the autobuild has been abandoned. Please fix the error and resubmit.
 403
 404 A summary of the autobuild process is here:
 405
 406   http://git.samba.org/%s/samba-autobuild/autobuild.log
 407 ''' % (failed_task, errstr, user)
 408
 409     if failed_task != 'rebase':
 410         text += '''
 411 You can see logs of the failed task here:
 412
 413   http://git.samba.org/%s/samba-autobuild/%s.stdout
 414   http://git.samba.org/%s/samba-autobuild/%s.stderr
 415
 416 or you can get full logs of all tasks in this job here:
 417
 418   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 419
 420 The top commit for the tree that was built was:
 421
 422 %s
 423
 424 ''' % (user, failed_tag, user, failed_tag, user, top_commit_msg)
 425     msg = MIMEText(text)
 426     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 427     msg['From'] = 'autobuild@samba.org'
 428     msg['To'] = options.email
 429
 430     s = smtplib.SMTP()
 431     s.connect()
 432     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 433     s.quit()
 434
 435 def email_success():
 436     '''send an email to options.email about a successful build'''
 437     user = os.getenv("USER")
 438     text = '''
 439 Dear Developer,
 440
 441 Your autobuild has succeeded.
 442
 443 '''
 444
 445     if options.keeplogs:
 446         text += '''
 447
 448 you can get full logs of all tasks in this job here:
 449
 450   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 451
 452 ''' % user
 453
 454     text += '''
 455 The top commit for the tree that was built was:
 456
 457 %s
 458 ''' % top_commit_msg
 459
 460     msg = MIMEText(text)
 461     msg['Subject'] = 'autobuild success'
 462     msg['From'] = 'autobuild@samba.org'
 463     msg['To'] = options.email
 464
 465     s = smtplib.SMTP()
 466     s.connect()
 467     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 468     s.quit()
 469
 470
 471 (options, args) = parser.parse_args()
 472
 473 if options.retry:
 474     if not options.rebase_master and options.rebase is None:
 475         raise Exception('You can only use --retry if you also rebase')
 476
 477 testbase = "%s/b%u" % (options.testbase, os.getpid())
 478 test_master = "%s/master" % testbase
 479
 480 gitroot = find_git_root()
 481 if gitroot is None:
 482     raise Exception("Failed to find git root")
 483
 484 # get the top commit message, for emails
 485 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 486
 487 try:
 488     os.makedirs(testbase)
 489 except Exception, reason:
 490     raise Exception("Unable to create %s : %s" % (testbase, reason))
 491 cleanup_list.append(testbase)
 492
 493 if options.daemon:
 494     logfile = os.path.join(testbase, "log")
 495     print "Forking into the background, writing progress to %s" % logfile
 496     daemonize(logfile)
 497
 498 write_pidfile(gitroot + "/autobuild.pid")
 499
 500 while True:
 501     try:
 502         run_cmd("rm -rf %s" % test_master)
 503         cleanup_list.append(test_master)
 504         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 505     except Exception:
 506         cleanup()
 507         raise
 508
 509     try:
 510         try:
 511             if options.rebase is not None:
 512                 rebase_tree(options.rebase)
 513             elif options.rebase_master:
 514                 rebase_tree(samba_master)
 515         except Exception:
 516             cleanup_list.append(gitroot + "/autobuild.pid")
 517             cleanup()
 518             email_failure(-1, 'rebase', 'rebase', 'rebase', 'rebase on master failed')
 519             sys.exit(1)
 520         blist = buildlist(tasks, args)
 521         if options.tail:
 522             blist.start_tail()
 523         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 524         if status != 0 or errstr != "retry":
 525             break
 526         cleanup()
 527     except Exception:
 528         cleanup()
 529         raise
 530
 531 cleanup_list.append(gitroot + "/autobuild.pid")
 532
 533 blist.kill_kids()
 534 if options.tail:
 535     print("waiting for tail to flush")
 536     time.sleep(1)
 537
 538 if status == 0:
 539     print errstr
 540     if options.passcmd is not None:
 541         print("Running passcmd: %s" % options.passcmd)
 542         run_cmd(options.passcmd, dir=test_master)
 543     if options.pushto is not None:
 544         push_to(options.pushto)
 545     elif options.push_master:
 546         push_to(samba_master_ssh)
 547     if options.keeplogs:
 548         blist.tarlogs("logs.tar.gz")
 549         print("Logs in logs.tar.gz")
 550     if options.always_email:
 551         email_success()
 552     blist.remove_logs()
 553     cleanup()
 554     print(errstr)
 555     sys.exit(0)
 556
 557 # something failed, gather a tar of the logs
 558 blist.tarlogs("logs.tar.gz")
 559
 560 if options.email is not None:
 561     email_failure(status, failed_task, failed_stage, failed_tag, errstr)
 562
 563 cleanup()
 564 print(errstr)
 565 print("Logs in logs.tar.gz")
 566 sys.exit(status)