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     "samba3"  : "source3",
  20     "samba3-ctdb" : "source3",
  21     "samba"  : ".",
  22     "samba-ctdb" : ".",
  23     "samba-libs"  : ".",
  24     "ldb"     : "lib/ldb",
  25     "tdb"     : "lib/tdb",
  26     "ntdb"    : "lib/ntdb",
  27     "talloc"  : "lib/talloc",
  28     "replace" : "lib/replace",
  29     "tevent"  : "lib/tevent",
  30     "pidl"    : "pidl",
  31     "pass"    : ".",
  32     "fail"    : ".",
  33     "retry"   : "."
  34     }
  35
  36 defaulttasks = [ "samba3", "samba3-ctdb", "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "ntdb", "talloc", "replace", "tevent", "pidl" ]
  37
  38 tasks = {
  39     "samba3" : [ ("autogen", "./autogen.sh", "text/plain"),
  40                  ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  41                  ("make basics", "make basics", "text/plain"),
  42                  # we split 'make -j 4', 'make bin/smbtorture4' and 'make -j 4 everything'
  43                  # because it makes it much easier to find errors.
  44                  ("make", "make -j 4", "text/plain"), # don't use too many processes
  45                  ("make bin/smbtorture4", "make bin/smbtorture4", "text/plain"),
  46                  ("make everything", "make -j 4 everything", "text/plain"),
  47                  ("install", "make install", "text/plain"),
  48                  ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  49                  ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  50                  ("clean", "make clean", "text/plain") ],
  51
  52     "samba3-ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  53                       ("autogen", "./autogen.sh", "text/plain"),
  54                       ("configure", "./configure.developer ${PREFIX} --with-cluster-support --with-ctdb=../ctdb", "text/plain"),
  55                       ("make basics", "make basics", "text/plain"),
  56                       ("make", "make all", "text/plain"), # don't use too many processes
  57                       ("check", "LD_LIBRARY_PATH=./bin ./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  58                       ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  59                       ("clean", "make clean", "text/plain") ],
  60
  61     # We have 'test' before 'install' because, 'test' should work without 'install'
  62     "samba" : [ ("configure", "./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab", "text/plain"),
  63                 ("make", "make -j", "text/plain"),
  64                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  65                 ("install", "make install", "text/plain"),
  66                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  67                 ("clean", "make clean", "text/plain") ],
  68
  69     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  70
  71                      # make sure we have tdb around:
  72                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${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"),
  73                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  74                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  75
  76                      # install the ctdb headers under the prefix:
  77                      ("ctdb-header-install", "cp ./ctdb/include/* ${PREFIX_DIR}/include", "text/plain"),
  78                      ("ctdb-header-ls", "ls ${PREFIX_DIR}/include/ctdb.h", "text/plain"),
  79
  80                      ("configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --with-ctdb-dir=${PREFIX_DIR} --bundled-libraries=!tdb", "text/plain"),
  81                      ("make", "make", "text/plain"),
  82                      ("check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  83                      ("install", "make install", "text/plain"),
  84                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  85                      ("clean", "make clean", "text/plain") ],
  86
  87     "samba-libs" : [
  88                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  89                       ("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 ${PREFIX}", "text/plain"),
  90                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  91                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  92
  93                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  94                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  95                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  96
  97                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  98                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
  99                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 100
 101                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
 102                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 103                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 104
 105                       ("configure", "PYTHONPATH=${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"),
 106                       ("make", "make", "text/plain"),
 107                       ("install", "make install", "text/plain")],
 108
 109     "ldb" : [
 110               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 111               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 112               ("make", "make", "text/plain"),
 113               ("install", "make install", "text/plain"),
 114               ("test", "make test", "text/plain"),
 115               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 116               ("distcheck", "make distcheck", "text/plain"),
 117               ("clean", "make clean", "text/plain") ],
 118
 119     "tdb" : [
 120               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 121               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 122               ("make", "make", "text/plain"),
 123               ("install", "make install", "text/plain"),
 124               ("test", "make test", "text/plain"),
 125               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 126               ("distcheck", "make distcheck", "text/plain"),
 127               ("clean", "make clean", "text/plain") ],
 128
 129     "ntdb" : [
 130                ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 131                ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 132                ("make", "make", "text/plain"),
 133                ("install", "make install", "text/plain"),
 134                ("test", "make test", "text/plain"),
 135                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 136                ("distcheck", "make distcheck", "text/plain"),
 137                ("clean", "make clean", "text/plain") ],
 138
 139     "talloc" : [
 140                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 141                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 142                  ("make", "make", "text/plain"),
 143                  ("install", "make install", "text/plain"),
 144                  ("test", "make test", "text/plain"),
 145                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 146                  ("distcheck", "make distcheck", "text/plain"),
 147                  ("clean", "make clean", "text/plain") ],
 148
 149     "replace" : [
 150                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 151                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 152                   ("make", "make", "text/plain"),
 153                   ("install", "make install", "text/plain"),
 154                   ("test", "make test", "text/plain"),
 155                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 156                   ("distcheck", "make distcheck", "text/plain"),
 157                   ("clean", "make clean", "text/plain") ],
 158
 159     "tevent" : [
 160                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 161                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 162                  ("make", "make", "text/plain"),
 163                  ("install", "make install", "text/plain"),
 164                  ("test", "make test", "text/plain"),
 165                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 166                  ("distcheck", "make distcheck", "text/plain"),
 167                  ("clean", "make clean", "text/plain") ],
 168
 169     "pidl" : [
 170                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 171                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 172                ("touch", "touch *.yp", "text/plain"),
 173                ("make", "make", "text/plain"),
 174                ("test", "make test", "text/plain"),
 175                ("install", "make install", "text/plain"),
 176                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 177                ("clean", "make clean", "text/plain") ],
 178
 179     # these are useful for debugging autobuild
 180     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 181     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 182 }
 183
 184 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 185     if show is None:
 186         show = options.verbose
 187     if show:
 188         print("Running: '%s' in '%s'" % (cmd, dir))
 189     if output:
 190         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 191     elif checkfail:
 192         return check_call(cmd, shell=True, cwd=dir)
 193     else:
 194         return call(cmd, shell=True, cwd=dir)
 195
 196
 197 class builder(object):
 198     '''handle build of one directory'''
 199
 200     def __init__(self, name, sequence):
 201         self.name = name
 202         self.dir = builddirs[name]
 203
 204         self.tag = self.name.replace('/', '_')
 205         self.sequence = sequence
 206         self.next = 0
 207         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 208         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 209         if options.verbose:
 210             print("stdout for %s in %s" % (self.name, self.stdout_path))
 211             print("stderr for %s in %s" % (self.name, self.stderr_path))
 212         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 213         self.stdout = open(self.stdout_path, 'w')
 214         self.stderr = open(self.stderr_path, 'w')
 215         self.stdin  = open("/dev/null", 'r')
 216         self.sdir = "%s/%s" % (testbase, self.tag)
 217         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 218         run_cmd("rm -rf %s" % self.sdir)
 219         cleanup_list.append(self.sdir)
 220         cleanup_list.append(self.prefix)
 221         os.makedirs(self.sdir)
 222         run_cmd("rm -rf %s" % self.sdir)
 223         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 224         self.start_next()
 225
 226     def start_next(self):
 227         if self.next == len(self.sequence):
 228             print '%s: Completed OK' % self.name
 229             self.done = True
 230             return
 231         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 232         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 233         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 234         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 235 #        if self.output_mime_type == "text/x-subunit":
 236 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 237         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 238         cwd = os.getcwd()
 239         os.chdir("%s/%s" % (self.sdir, self.dir))
 240         self.proc = Popen(self.cmd, shell=True,
 241                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 242         os.chdir(cwd)
 243         self.next += 1
 244
 245
 246 class buildlist(object):
 247     '''handle build of multiple directories'''
 248
 249     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 250         global tasks
 251         self.tlist = []
 252         self.tail_proc = None
 253         self.retry = None
 254         if tasknames == []:
 255             tasknames = defaulttasks
 256         for n in tasknames:
 257             b = builder(n, tasks[n])
 258             self.tlist.append(b)
 259         if options.retry:
 260             rebase_remote = "rebaseon"
 261             retry_task = [ ("retry",
 262                             '''set -e
 263                             git remote add -t %s %s %s
 264                             git fetch %s
 265                             while :; do
 266                               sleep 60
 267                               git describe %s/%s > old_remote_branch.desc
 268                               git fetch %s
 269                               git describe %s/%s > remote_branch.desc
 270                               diff old_remote_branch.desc remote_branch.desc
 271                             done
 272                            ''' % (
 273                                rebase_branch, rebase_remote, rebase_url,
 274                                rebase_remote,
 275                                rebase_remote, rebase_branch,
 276                                rebase_remote,
 277                                rebase_remote, rebase_branch
 278                            ),
 279                            "test/plain" ) ]
 280
 281             self.retry = builder('retry', retry_task)
 282             self.need_retry = False
 283
 284     def kill_kids(self):
 285         if self.tail_proc is not None:
 286             self.tail_proc.terminate()
 287             self.tail_proc.wait()
 288             self.tail_proc = None
 289         if self.retry is not None:
 290             self.retry.proc.terminate()
 291             self.retry.proc.wait()
 292             self.retry = None
 293         for b in self.tlist:
 294             if b.proc is not None:
 295                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 296                 b.proc.terminate()
 297                 b.proc.wait()
 298                 b.proc = None
 299
 300     def wait_one(self):
 301         while True:
 302             none_running = True
 303             for b in self.tlist:
 304                 if b.proc is None:
 305                     continue
 306                 none_running = False
 307                 b.status = b.proc.poll()
 308                 if b.status is None:
 309                     continue
 310                 b.proc = None
 311                 return b
 312             if options.retry:
 313                 ret = self.retry.proc.poll()
 314                 if ret is not None:
 315                     self.need_retry = True
 316                     self.retry = None
 317                     return None
 318             if none_running:
 319                 return None
 320             time.sleep(0.1)
 321
 322     def run(self):
 323         while True:
 324             b = self.wait_one()
 325             if options.retry and self.need_retry:
 326                 self.kill_kids()
 327                 print("retry needed")
 328                 return (0, None, None, None, "retry")
 329             if b is None:
 330                 break
 331             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 332                 self.kill_kids()
 333                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 334             b.start_next()
 335         self.kill_kids()
 336         return (0, None, None, None, "All OK")
 337
 338     def tarlogs(self, fname):
 339         tar = tarfile.open(fname, "w:gz")
 340         for b in self.tlist:
 341             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 342             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 343         if os.path.exists("autobuild.log"):
 344             tar.add("autobuild.log")
 345         tar.close()
 346
 347     def remove_logs(self):
 348         for b in self.tlist:
 349             os.unlink(b.stdout_path)
 350             os.unlink(b.stderr_path)
 351
 352     def start_tail(self):
 353         cwd = os.getcwd()
 354         cmd = "tail -f *.stdout *.stderr"
 355         os.chdir(gitroot)
 356         self.tail_proc = Popen(cmd, shell=True)
 357         os.chdir(cwd)
 358
 359
 360 def cleanup():
 361     if options.nocleanup:
 362         return
 363     print("Cleaning up ....")
 364     for d in cleanup_list:
 365         run_cmd("rm -rf %s" % d)
 366
 367
 368 def find_git_root():
 369     '''get to the top of the git repo'''
 370     p=os.getcwd()
 371     while p != '/':
 372         if os.path.isdir(os.path.join(p, ".git")):
 373             return p
 374         p = os.path.abspath(os.path.join(p, '..'))
 375     return None
 376
 377
 378 def daemonize(logfile):
 379     pid = os.fork()
 380     if pid == 0: # Parent
 381         os.setsid()
 382         pid = os.fork()
 383         if pid != 0: # Actual daemon
 384             os._exit(0)
 385     else: # Grandparent
 386         os._exit(0)
 387
 388     import resource      # Resource usage information.
 389     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 390     if maxfd == resource.RLIM_INFINITY:
 391         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 392     for fd in range(0, maxfd):
 393         try:
 394             os.close(fd)
 395         except OSError:
 396             pass
 397     os.open(logfile, os.O_RDWR | os.O_CREAT)
 398     os.dup2(0, 1)
 399     os.dup2(0, 2)
 400
 401 def write_pidfile(fname):
 402     '''write a pid file, cleanup on exit'''
 403     f = open(fname, mode='w')
 404     f.write("%u\n" % os.getpid())
 405     f.close()
 406
 407
 408 def rebase_tree(rebase_url, rebase_branch = "master"):
 409     rebase_remote = "rebaseon"
 410     print("Rebasing on %s" % rebase_url)
 411     run_cmd("git describe HEAD", show=True, dir=test_master)
 412     run_cmd("git remote add -t %s %s %s" %
 413             (rebase_branch, rebase_remote, rebase_url),
 414             show=True, dir=test_master)
 415     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 416     if options.fix_whitespace:
 417         run_cmd("git rebase --whitespace=fix %s/%s" %
 418                 (rebase_remote, rebase_branch),
 419                 show=True, dir=test_master)
 420     else:
 421         run_cmd("git rebase %s/%s" %
 422                 (rebase_remote, rebase_branch),
 423                 show=True, dir=test_master)
 424     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 425                    (rebase_remote, rebase_branch),
 426                    dir=test_master, output=True)
 427     if diff == '':
 428         print("No differences between HEAD and %s/%s - exiting" %
 429               (rebase_remote, rebase_branch))
 430         sys.exit(0)
 431     run_cmd("git describe %s/%s" %
 432             (rebase_remote, rebase_branch),
 433             show=True, dir=test_master)
 434     run_cmd("git describe HEAD", show=True, dir=test_master)
 435     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 436             (rebase_remote, rebase_branch),
 437             show=True, dir=test_master)
 438
 439 def push_to(push_url, push_branch = "master"):
 440     push_remote = "pushto"
 441     print("Pushing to %s" % push_url)
 442     if options.mark:
 443         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 444         run_cmd("git commit --amend -c HEAD", dir=test_master)
 445         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 446         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 447     run_cmd("git remote add -t %s %s %s" %
 448             (push_branch, push_remote, push_url),
 449             show=True, dir=test_master)
 450     run_cmd("git push %s +HEAD:%s" %
 451             (push_remote, push_branch),
 452             show=True, dir=test_master)
 453
 454 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 455
 456 gitroot = find_git_root()
 457 if gitroot is None:
 458     raise Exception("Failed to find git root")
 459
 460 parser = OptionParser()
 461 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 462 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 463 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 464 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 465                   default=def_testbase)
 466 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 467 parser.add_option("", "--verbose", help="show all commands as they are run",
 468                   default=False, action="store_true")
 469 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 470                   default=None, type='str')
 471 parser.add_option("", "--pushto", help="push to a git url on success",
 472                   default=None, type='str')
 473 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 474                   default=False, action="store_true")
 475 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 476                   default=False, action="store_true")
 477 parser.add_option("", "--retry", help="automatically retry if master changes",
 478                   default=False, action="store_true")
 479 parser.add_option("", "--email", help="send email to the given address on failure",
 480                   type='str', default=None)
 481 parser.add_option("", "--always-email", help="always send email, even on success",
 482                   action="store_true")
 483 parser.add_option("", "--daemon", help="daemonize after initial setup",
 484                   action="store_true")
 485 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 486                   default="master", type='str')
 487 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 488                   default=gitroot, type='str')
 489
 490 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 491     '''send an email to options.email about the failure'''
 492     user = os.getenv("USER")
 493     if log_base is None:
 494         log_base = gitroot
 495     text = '''
 496 Dear Developer,
 497
 498 Your autobuild failed when trying to test %s with the following error:
 499    %s
 500
 501 the autobuild has been abandoned. Please fix the error and resubmit.
 502
 503 A summary of the autobuild process is here:
 504
 505   %s/autobuild.log
 506 ''' % (failed_task, errstr, log_base)
 507
 508     if failed_task != 'rebase':
 509         text += '''
 510 You can see logs of the failed task here:
 511
 512   %s/%s.stdout
 513   %s/%s.stderr
 514
 515 or you can get full logs of all tasks in this job here:
 516
 517   %s/logs.tar.gz
 518
 519 The top commit for the tree that was built was:
 520
 521 %s
 522
 523 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 524     msg = MIMEText(text)
 525     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 526     msg['From'] = 'autobuild@samba.org'
 527     msg['To'] = options.email
 528
 529     s = smtplib.SMTP()
 530     s.connect()
 531     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 532     s.quit()
 533
 534 def email_success(log_base=None):
 535     '''send an email to options.email about a successful build'''
 536     user = os.getenv("USER")
 537     if log_base is None:
 538         log_base = gitroot
 539     text = '''
 540 Dear Developer,
 541
 542 Your autobuild has succeeded.
 543
 544 '''
 545
 546     if options.keeplogs:
 547         text += '''
 548
 549 you can get full logs of all tasks in this job here:
 550
 551   %s/logs.tar.gz
 552
 553 ''' % log_base
 554
 555     text += '''
 556 The top commit for the tree that was built was:
 557
 558 %s
 559 ''' % top_commit_msg
 560
 561     msg = MIMEText(text)
 562     msg['Subject'] = 'autobuild success'
 563     msg['From'] = 'autobuild@samba.org'
 564     msg['To'] = options.email
 565
 566     s = smtplib.SMTP()
 567     s.connect()
 568     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 569     s.quit()
 570
 571
 572 (options, args) = parser.parse_args()
 573
 574 if options.retry:
 575     if options.rebase is None:
 576         raise Exception('You can only use --retry if you also rebase')
 577
 578 testbase = "%s/b%u" % (options.testbase, os.getpid())
 579 test_master = "%s/master" % testbase
 580
 581 # get the top commit message, for emails
 582 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 583
 584 try:
 585     os.makedirs(testbase)
 586 except Exception, reason:
 587     raise Exception("Unable to create %s : %s" % (testbase, reason))
 588 cleanup_list.append(testbase)
 589
 590 if options.daemon:
 591     logfile = os.path.join(testbase, "log")
 592     print "Forking into the background, writing progress to %s" % logfile
 593     daemonize(logfile)
 594
 595 write_pidfile(gitroot + "/autobuild.pid")
 596
 597 while True:
 598     try:
 599         run_cmd("rm -rf %s" % test_master)
 600         cleanup_list.append(test_master)
 601         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 602     except Exception:
 603         cleanup()
 604         raise
 605
 606     try:
 607         try:
 608             if options.rebase is not None:
 609                 rebase_tree(options.rebase, rebase_branch=options.branch)
 610         except Exception:
 611             cleanup_list.append(gitroot + "/autobuild.pid")
 612             cleanup()
 613             email_failure(-1, 'rebase', 'rebase', 'rebase',
 614                           'rebase on %s failed' % options.branch,
 615                           log_base=options.log_base)
 616             sys.exit(1)
 617         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 618         if options.tail:
 619             blist.start_tail()
 620         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 621         if status != 0 or errstr != "retry":
 622             break
 623         cleanup()
 624     except Exception:
 625         cleanup()
 626         raise
 627
 628 cleanup_list.append(gitroot + "/autobuild.pid")
 629
 630 blist.kill_kids()
 631 if options.tail:
 632     print("waiting for tail to flush")
 633     time.sleep(1)
 634
 635 if status == 0:
 636     print errstr
 637     if options.passcmd is not None:
 638         print("Running passcmd: %s" % options.passcmd)
 639         run_cmd(options.passcmd, dir=test_master)
 640     if options.pushto is not None:
 641         push_to(options.pushto, push_branch=options.branch)
 642     if options.keeplogs:
 643         blist.tarlogs("logs.tar.gz")
 644         print("Logs in logs.tar.gz")
 645     if options.always_email:
 646         email_success(log_base=options.log_base)
 647     blist.remove_logs()
 648     cleanup()
 649     print(errstr)
 650     sys.exit(0)
 651
 652 # something failed, gather a tar of the logs
 653 blist.tarlogs("logs.tar.gz")
 654
 655 if options.email is not None:
 656     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 657
 658 cleanup()
 659 print(errstr)
 660 print("Logs in logs.tar.gz")
 661 sys.exit(status)