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 from distutils.sysconfig import get_python_lib
  12
  13 # This speeds up testing remarkably.
  14 os.environ['TDB_NO_FSYNC'] = '1'
  15
  16 cleanup_list = []
  17
  18 builddirs = {
  19     "ctdb"    : "ctdb",
  20     "samba"  : ".",
  21     "samba-ctdb" : ".",
  22     "samba-libs"  : ".",
  23     "ldb"     : "lib/ldb",
  24     "tdb"     : "lib/tdb",
  25     "talloc"  : "lib/talloc",
  26     "replace" : "lib/replace",
  27     "tevent"  : "lib/tevent",
  28     "pidl"    : "pidl",
  29     "pass"    : ".",
  30     "fail"    : ".",
  31     "retry"   : "."
  32     }
  33
  34 defaulttasks = [ "ctdb", "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  35
  36 tasks = {
  37     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  38                ("configure", "./configure ${PREFIX}", "text/plain"),
  39                ("make", "make all", "text/plain"),
  40                ("install", "make install", "text/plain"),
  41                ("test", "make autotest", "text/plain"),
  42                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  43                ("clean", "make clean", "text/plain") ],
  44
  45     # We have 'test' before 'install' because, 'test' should work without 'install'
  46     "samba" : [ ("configure", "./configure.developer --picky-developer ${PREFIX} --with-selftest-prefix=./bin/ab  --with-profiling-data", "text/plain"),
  47                 ("make", "make -j", "text/plain"),
  48                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  49                 ("install", "make install", "text/plain"),
  50                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  51                 ("clean", "make clean", "text/plain") ],
  52
  53     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  54
  55                      # make sure we have tdb around:
  56                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  57                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  58                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  59
  60
  61                      # build samba with cluster support (also building ctdb):
  62                      ("samba-configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=${PREFIX_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH} ./configure.developer --picky-developer ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --bundled-libraries=!tdb", "text/plain"),
  63                      ("samba-make", "make", "text/plain"),
  64                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  65                      ("samba-install", "make install", "text/plain"),
  66                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
  67
  68                      # clean up:
  69                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  70                      ("clean", "make clean", "text/plain"),
  71                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
  72
  73     "samba-libs" : [
  74                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  75                       ("talloc-configure", "cd lib/talloc && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  76                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  77                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  78
  79                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  80                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  81                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  82
  83                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  84                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
  85                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
  86
  87                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  88                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
  89                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
  90
  91                       ("configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=!talloc,!tdb,!pytdb,!ldb,!pyldb,!tevent,!pytevent --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  92                       ("make", "make", "text/plain"),
  93                       ("install", "make install", "text/plain"),
  94                       ("dist", "make dist", "text/plain")],
  95
  96     "ldb" : [
  97               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
  98               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  99               ("make", "make", "text/plain"),
 100               ("install", "make install", "text/plain"),
 101               ("test", "make test", "text/plain"),
 102               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 103               ("distcheck", "make distcheck", "text/plain"),
 104               ("clean", "make clean", "text/plain") ],
 105
 106     "tdb" : [
 107               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 108               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 109               ("make", "make", "text/plain"),
 110               ("install", "make install", "text/plain"),
 111               ("test", "make test", "text/plain"),
 112               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 113               ("distcheck", "make distcheck", "text/plain"),
 114               ("clean", "make clean", "text/plain") ],
 115
 116     "talloc" : [
 117                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 118                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 119                  ("make", "make", "text/plain"),
 120                  ("install", "make install", "text/plain"),
 121                  ("test", "make test", "text/plain"),
 122                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 123                  ("distcheck", "make distcheck", "text/plain"),
 124                  ("clean", "make clean", "text/plain") ],
 125
 126     "replace" : [
 127                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 128                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 129                   ("make", "make", "text/plain"),
 130                   ("install", "make install", "text/plain"),
 131                   ("test", "make test", "text/plain"),
 132                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 133                   ("distcheck", "make distcheck", "text/plain"),
 134                   ("clean", "make clean", "text/plain") ],
 135
 136     "tevent" : [
 137                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 138                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 139                  ("make", "make", "text/plain"),
 140                  ("install", "make install", "text/plain"),
 141                  ("test", "make test", "text/plain"),
 142                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 143                  ("distcheck", "make distcheck", "text/plain"),
 144                  ("clean", "make clean", "text/plain") ],
 145
 146     "pidl" : [
 147                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 148                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 149                ("touch", "touch *.yp", "text/plain"),
 150                ("make", "make", "text/plain"),
 151                ("test", "make test", "text/plain"),
 152                ("install", "make install", "text/plain"),
 153                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 154                ("clean", "make clean", "text/plain") ],
 155
 156     # these are useful for debugging autobuild
 157     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 158     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 159 }
 160
 161 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 162     if show is None:
 163         show = options.verbose
 164     if show:
 165         print("Running: '%s' in '%s'" % (cmd, dir))
 166     if output:
 167         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 168     elif checkfail:
 169         return check_call(cmd, shell=True, cwd=dir)
 170     else:
 171         return call(cmd, shell=True, cwd=dir)
 172
 173
 174 class builder(object):
 175     '''handle build of one directory'''
 176
 177     def __init__(self, name, sequence):
 178         self.name = name
 179         self.dir = builddirs[name]
 180
 181         self.tag = self.name.replace('/', '_')
 182         self.sequence = sequence
 183         self.next = 0
 184         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 185         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 186         if options.verbose:
 187             print("stdout for %s in %s" % (self.name, self.stdout_path))
 188             print("stderr for %s in %s" % (self.name, self.stderr_path))
 189         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 190         self.stdout = open(self.stdout_path, 'w')
 191         self.stderr = open(self.stderr_path, 'w')
 192         self.stdin  = open("/dev/null", 'r')
 193         self.sdir = "%s/%s" % (testbase, self.tag)
 194         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 195         run_cmd("rm -rf %s" % self.sdir)
 196         cleanup_list.append(self.sdir)
 197         cleanup_list.append(self.prefix)
 198         os.makedirs(self.sdir)
 199         run_cmd("rm -rf %s" % self.sdir)
 200         run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 201         self.start_next()
 202
 203     def start_next(self):
 204         if self.next == len(self.sequence):
 205             print '%s: Completed OK' % self.name
 206             self.done = True
 207             return
 208         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 209         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 210         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 211         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 212 #        if self.output_mime_type == "text/x-subunit":
 213 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 214         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 215         cwd = os.getcwd()
 216         os.chdir("%s/%s" % (self.sdir, self.dir))
 217         self.proc = Popen(self.cmd, shell=True,
 218                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 219         os.chdir(cwd)
 220         self.next += 1
 221
 222
 223 class buildlist(object):
 224     '''handle build of multiple directories'''
 225
 226     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 227         global tasks
 228         self.tlist = []
 229         self.tail_proc = None
 230         self.retry = None
 231         if tasknames == []:
 232             tasknames = defaulttasks
 233         for n in tasknames:
 234             b = builder(n, tasks[n])
 235             self.tlist.append(b)
 236         if options.retry:
 237             rebase_remote = "rebaseon"
 238             retry_task = [ ("retry",
 239                             '''set -e
 240                             git remote add -t %s %s %s
 241                             git fetch %s
 242                             while :; do
 243                               sleep 60
 244                               git describe %s/%s > old_remote_branch.desc
 245                               git fetch %s
 246                               git describe %s/%s > remote_branch.desc
 247                               diff old_remote_branch.desc remote_branch.desc
 248                             done
 249                            ''' % (
 250                                rebase_branch, rebase_remote, rebase_url,
 251                                rebase_remote,
 252                                rebase_remote, rebase_branch,
 253                                rebase_remote,
 254                                rebase_remote, rebase_branch
 255                            ),
 256                            "test/plain" ) ]
 257
 258             self.retry = builder('retry', retry_task)
 259             self.need_retry = False
 260
 261     def kill_kids(self):
 262         if self.tail_proc is not None:
 263             self.tail_proc.terminate()
 264             self.tail_proc.wait()
 265             self.tail_proc = None
 266         if self.retry is not None:
 267             self.retry.proc.terminate()
 268             self.retry.proc.wait()
 269             self.retry = None
 270         for b in self.tlist:
 271             if b.proc is not None:
 272                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 273                 b.proc.terminate()
 274                 b.proc.wait()
 275                 b.proc = None
 276
 277     def wait_one(self):
 278         while True:
 279             none_running = True
 280             for b in self.tlist:
 281                 if b.proc is None:
 282                     continue
 283                 none_running = False
 284                 b.status = b.proc.poll()
 285                 if b.status is None:
 286                     continue
 287                 b.proc = None
 288                 return b
 289             if options.retry:
 290                 ret = self.retry.proc.poll()
 291                 if ret is not None:
 292                     self.need_retry = True
 293                     self.retry = None
 294                     return None
 295             if none_running:
 296                 return None
 297             time.sleep(0.1)
 298
 299     def run(self):
 300         while True:
 301             b = self.wait_one()
 302             if options.retry and self.need_retry:
 303                 self.kill_kids()
 304                 print("retry needed")
 305                 return (0, None, None, None, "retry")
 306             if b is None:
 307                 break
 308             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 309                 self.kill_kids()
 310                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 311             b.start_next()
 312         self.kill_kids()
 313         return (0, None, None, None, "All OK")
 314
 315     def tarlogs(self, fname):
 316         tar = tarfile.open(fname, "w:gz")
 317         for b in self.tlist:
 318             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 319             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 320         if os.path.exists("autobuild.log"):
 321             tar.add("autobuild.log")
 322         tar.close()
 323
 324     def remove_logs(self):
 325         for b in self.tlist:
 326             os.unlink(b.stdout_path)
 327             os.unlink(b.stderr_path)
 328
 329     def start_tail(self):
 330         cwd = os.getcwd()
 331         cmd = "tail -f *.stdout *.stderr"
 332         os.chdir(gitroot)
 333         self.tail_proc = Popen(cmd, shell=True)
 334         os.chdir(cwd)
 335
 336
 337 def cleanup():
 338     if options.nocleanup:
 339         return
 340     print("Cleaning up ....")
 341     for d in cleanup_list:
 342         run_cmd("rm -rf %s" % d)
 343
 344
 345 def find_git_root():
 346     '''get to the top of the git repo'''
 347     p=os.getcwd()
 348     while p != '/':
 349         if os.path.isdir(os.path.join(p, ".git")):
 350             return p
 351         p = os.path.abspath(os.path.join(p, '..'))
 352     return None
 353
 354
 355 def daemonize(logfile):
 356     pid = os.fork()
 357     if pid == 0: # Parent
 358         os.setsid()
 359         pid = os.fork()
 360         if pid != 0: # Actual daemon
 361             os._exit(0)
 362     else: # Grandparent
 363         os._exit(0)
 364
 365     import resource      # Resource usage information.
 366     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 367     if maxfd == resource.RLIM_INFINITY:
 368         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 369     for fd in range(0, maxfd):
 370         try:
 371             os.close(fd)
 372         except OSError:
 373             pass
 374     os.open(logfile, os.O_RDWR | os.O_CREAT)
 375     os.dup2(0, 1)
 376     os.dup2(0, 2)
 377
 378 def write_pidfile(fname):
 379     '''write a pid file, cleanup on exit'''
 380     f = open(fname, mode='w')
 381     f.write("%u\n" % os.getpid())
 382     f.close()
 383
 384
 385 def rebase_tree(rebase_url, rebase_branch = "master"):
 386     rebase_remote = "rebaseon"
 387     print("Rebasing on %s" % rebase_url)
 388     run_cmd("git describe HEAD", show=True, dir=test_master)
 389     run_cmd("git remote add -t %s %s %s" %
 390             (rebase_branch, rebase_remote, rebase_url),
 391             show=True, dir=test_master)
 392     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 393     if options.fix_whitespace:
 394         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 395                 (rebase_remote, rebase_branch),
 396                 show=True, dir=test_master)
 397     else:
 398         run_cmd("git rebase --force-rebase %s/%s" %
 399                 (rebase_remote, rebase_branch),
 400                 show=True, dir=test_master)
 401     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 402                    (rebase_remote, rebase_branch),
 403                    dir=test_master, output=True)
 404     if diff == '':
 405         print("No differences between HEAD and %s/%s - exiting" %
 406               (rebase_remote, rebase_branch))
 407         sys.exit(0)
 408     run_cmd("git describe %s/%s" %
 409             (rebase_remote, rebase_branch),
 410             show=True, dir=test_master)
 411     run_cmd("git describe HEAD", show=True, dir=test_master)
 412     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 413             (rebase_remote, rebase_branch),
 414             show=True, dir=test_master)
 415
 416 def push_to(push_url, push_branch = "master"):
 417     push_remote = "pushto"
 418     print("Pushing to %s" % push_url)
 419     if options.mark:
 420         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 421         run_cmd("git commit --amend -c HEAD", dir=test_master)
 422         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 423         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 424     run_cmd("git remote add -t %s %s %s" %
 425             (push_branch, push_remote, push_url),
 426             show=True, dir=test_master)
 427     run_cmd("git push %s +HEAD:%s" %
 428             (push_remote, push_branch),
 429             show=True, dir=test_master)
 430
 431 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 432
 433 gitroot = find_git_root()
 434 if gitroot is None:
 435     raise Exception("Failed to find git root")
 436
 437 parser = OptionParser()
 438 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 439 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 440 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 441 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 442                   default=def_testbase)
 443 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 444 parser.add_option("", "--verbose", help="show all commands as they are run",
 445                   default=False, action="store_true")
 446 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 447                   default=None, type='str')
 448 parser.add_option("", "--pushto", help="push to a git url on success",
 449                   default=None, type='str')
 450 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 451                   default=False, action="store_true")
 452 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 453                   default=False, action="store_true")
 454 parser.add_option("", "--retry", help="automatically retry if master changes",
 455                   default=False, action="store_true")
 456 parser.add_option("", "--email", help="send email to the given address on failure",
 457                   type='str', default=None)
 458 parser.add_option("", "--always-email", help="always send email, even on success",
 459                   action="store_true")
 460 parser.add_option("", "--daemon", help="daemonize after initial setup",
 461                   action="store_true")
 462 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 463                   default="master", type='str')
 464 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 465                   default=gitroot, type='str')
 466
 467 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 468     '''send an email to options.email about the failure'''
 469     user = os.getenv("USER")
 470     if log_base is None:
 471         log_base = gitroot
 472     text = '''
 473 Dear Developer,
 474
 475 Your autobuild failed when trying to test %s with the following error:
 476    %s
 477
 478 the autobuild has been abandoned. Please fix the error and resubmit.
 479
 480 A summary of the autobuild process is here:
 481
 482   %s/autobuild.log
 483 ''' % (failed_task, errstr, log_base)
 484
 485     if failed_task != 'rebase':
 486         text += '''
 487 You can see logs of the failed task here:
 488
 489   %s/%s.stdout
 490   %s/%s.stderr
 491
 492 or you can get full logs of all tasks in this job here:
 493
 494   %s/logs.tar.gz
 495
 496 The top commit for the tree that was built was:
 497
 498 %s
 499
 500 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 501     msg = MIMEText(text)
 502     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 503     msg['From'] = 'autobuild@samba.org'
 504     msg['To'] = options.email
 505
 506     s = smtplib.SMTP()
 507     s.connect()
 508     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 509     s.quit()
 510
 511 def email_success(log_base=None):
 512     '''send an email to options.email about a successful build'''
 513     user = os.getenv("USER")
 514     if log_base is None:
 515         log_base = gitroot
 516     text = '''
 517 Dear Developer,
 518
 519 Your autobuild has succeeded.
 520
 521 '''
 522
 523     if options.keeplogs:
 524         text += '''
 525
 526 you can get full logs of all tasks in this job here:
 527
 528   %s/logs.tar.gz
 529
 530 ''' % log_base
 531
 532     text += '''
 533 The top commit for the tree that was built was:
 534
 535 %s
 536 ''' % top_commit_msg
 537
 538     msg = MIMEText(text)
 539     msg['Subject'] = 'autobuild success'
 540     msg['From'] = 'autobuild@samba.org'
 541     msg['To'] = options.email
 542
 543     s = smtplib.SMTP()
 544     s.connect()
 545     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 546     s.quit()
 547
 548
 549 (options, args) = parser.parse_args()
 550
 551 if options.retry:
 552     if options.rebase is None:
 553         raise Exception('You can only use --retry if you also rebase')
 554
 555 testbase = "%s/b%u" % (options.testbase, os.getpid())
 556 test_master = "%s/master" % testbase
 557
 558 # get the top commit message, for emails
 559 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 560
 561 try:
 562     os.makedirs(testbase)
 563 except Exception, reason:
 564     raise Exception("Unable to create %s : %s" % (testbase, reason))
 565 cleanup_list.append(testbase)
 566
 567 if options.daemon:
 568     logfile = os.path.join(testbase, "log")
 569     print "Forking into the background, writing progress to %s" % logfile
 570     daemonize(logfile)
 571
 572 write_pidfile(gitroot + "/autobuild.pid")
 573
 574 while True:
 575     try:
 576         run_cmd("rm -rf %s" % test_master)
 577         cleanup_list.append(test_master)
 578         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 579     except Exception:
 580         cleanup()
 581         raise
 582
 583     try:
 584         try:
 585             if options.rebase is not None:
 586                 rebase_tree(options.rebase, rebase_branch=options.branch)
 587         except Exception:
 588             cleanup_list.append(gitroot + "/autobuild.pid")
 589             cleanup()
 590             email_failure(-1, 'rebase', 'rebase', 'rebase',
 591                           'rebase on %s failed' % options.branch,
 592                           log_base=options.log_base)
 593             sys.exit(1)
 594         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 595         if options.tail:
 596             blist.start_tail()
 597         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 598         if status != 0 or errstr != "retry":
 599             break
 600         cleanup()
 601     except Exception:
 602         cleanup()
 603         raise
 604
 605 cleanup_list.append(gitroot + "/autobuild.pid")
 606
 607 blist.kill_kids()
 608 if options.tail:
 609     print("waiting for tail to flush")
 610     time.sleep(1)
 611
 612 if status == 0:
 613     print errstr
 614     if options.passcmd is not None:
 615         print("Running passcmd: %s" % options.passcmd)
 616         run_cmd(options.passcmd, dir=test_master)
 617     if options.pushto is not None:
 618         push_to(options.pushto, push_branch=options.branch)
 619     if options.keeplogs:
 620         blist.tarlogs("logs.tar.gz")
 621         print("Logs in logs.tar.gz")
 622     if options.always_email:
 623         email_success(log_base=options.log_base)
 624     blist.remove_logs()
 625     cleanup()
 626     print(errstr)
 627     sys.exit(0)
 628
 629 # something failed, gather a tar of the logs
 630 blist.tarlogs("logs.tar.gz")
 631
 632 if options.email is not None:
 633     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 634
 635 cleanup()
 636 print(errstr)
 637 print("Logs in logs.tar.gz")
 638 sys.exit(status)