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 samba_master = os.getenv('SAMBA_MASTER', 'git://git.samba.org/samba.git')
  14 samba_master_ssh = os.getenv('SAMBA_MASTER_SSH', 'git+ssh://git.samba.org/data/git/samba.git')
  15
  16 # This speeds up testing remarkably.
  17 os.environ['TDB_NO_FSYNC'] = '1'
  18
  19 cleanup_list = []
  20
  21 builddirs = {
  22     "samba3"  : "source3",
  23     "samba3-ctdb" : "source3",
  24     "samba"  : ".",
  25     "samba-ctdb" : ".",
  26     "samba-libs"  : ".",
  27     "ldb"     : "lib/ldb",
  28     "tdb"     : "lib/tdb",
  29     "ntdb"    : "lib/ntdb",
  30     "talloc"  : "lib/talloc",
  31     "replace" : "lib/replace",
  32     "tevent"  : "lib/tevent",
  33     "pidl"    : "pidl",
  34     "pass"    : ".",
  35     "fail"    : ".",
  36     "retry"   : "."
  37     }
  38
  39 defaulttasks = [ "samba3", "samba3-ctdb", "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "ntdb", "talloc", "replace", "tevent", "pidl" ]
  40
  41 tasks = {
  42     "samba3" : [ ("autogen", "./autogen.sh", "text/plain"),
  43                  ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  44                  ("make basics", "make basics", "text/plain"),
  45                  # we split 'make -j 4', 'make bin/smbtorture4' and 'make -j 4 everything'
  46                  # because it makes it much easier to find errors.
  47                  ("make", "make -j 4", "text/plain"), # don't use too many processes
  48                  ("make bin/smbtorture4", "make bin/smbtorture4", "text/plain"),
  49                  ("make everything", "make -j 4 everything", "text/plain"),
  50                  ("install", "make install", "text/plain"),
  51                  ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  52                  ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  53                  ("clean", "make clean", "text/plain") ],
  54
  55     "samba3-ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  56                       ("autogen", "./autogen.sh", "text/plain"),
  57                       ("configure", "./configure.developer ${PREFIX} --with-cluster-support --with-ctdb=../ctdb", "text/plain"),
  58                       ("make basics", "make basics", "text/plain"),
  59                       ("make", "make all", "text/plain"), # don't use too many processes
  60                       ("check", "LD_LIBRARY_PATH=./bin ./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  61                       ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  62                       ("clean", "make clean", "text/plain") ],
  63
  64     # We have 'test' before 'install' because, 'test' should work without 'install'
  65     "samba" : [ ("configure", "./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab", "text/plain"),
  66                 ("make", "make -j", "text/plain"),
  67                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  68                 ("install", "make install", "text/plain"),
  69                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  70                 ("clean", "make clean", "text/plain") ],
  71
  72     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  73
  74                      # make sure we have tdb around:
  75                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${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"),
  76                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  77                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  78
  79                      # install the ctdb headers under the prefix:
  80                      ("ctdb-header-install", "cp ./ctdb/include/* ${PREFIX_DIR}/include", "text/plain"),
  81                      ("ctdb-header-ls", "ls ${PREFIX_DIR}/include/ctdb.h", "text/plain"),
  82
  83                      ("configure", "PYTHONPATH=${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"),
  84                      ("make", "make", "text/plain"),
  85                      ("check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  86                      ("install", "make install", "text/plain"),
  87                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  88                      ("clean", "make clean", "text/plain") ],
  89
  90     "samba-libs" : [
  91                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  92                       ("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 ${PREFIX}", "text/plain"),
  93                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  94                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  95
  96                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  97                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  98                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  99
 100                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
 101                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 102                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 103
 104                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
 105                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 106                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 107
 108                       ("configure", "PYTHONPATH=${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"),
 109                       ("make", "make", "text/plain"),
 110                       ("install", "make install", "text/plain")],
 111
 112     "ldb" : [
 113               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 114               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 115               ("make", "make", "text/plain"),
 116               ("install", "make install", "text/plain"),
 117               ("test", "make test", "text/plain"),
 118               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 119               ("distcheck", "make distcheck", "text/plain"),
 120               ("clean", "make clean", "text/plain") ],
 121
 122     "tdb" : [
 123               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 124               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 125               ("make", "make", "text/plain"),
 126               ("install", "make install", "text/plain"),
 127               ("test", "make test", "text/plain"),
 128               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 129               ("distcheck", "make distcheck", "text/plain"),
 130               ("clean", "make clean", "text/plain") ],
 131
 132     "ntdb" : [
 133                ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 134                ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 135                ("make", "make", "text/plain"),
 136                ("install", "make install", "text/plain"),
 137                ("test", "make test", "text/plain"),
 138                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 139                ("distcheck", "make distcheck", "text/plain"),
 140                ("clean", "make clean", "text/plain") ],
 141
 142     "talloc" : [
 143                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 144                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 145                  ("make", "make", "text/plain"),
 146                  ("install", "make install", "text/plain"),
 147                  ("test", "make test", "text/plain"),
 148                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 149                  ("distcheck", "make distcheck", "text/plain"),
 150                  ("clean", "make clean", "text/plain") ],
 151
 152     "replace" : [
 153                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 154                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 155                   ("make", "make", "text/plain"),
 156                   ("install", "make install", "text/plain"),
 157                   ("test", "make test", "text/plain"),
 158                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 159                   ("distcheck", "make distcheck", "text/plain"),
 160                   ("clean", "make clean", "text/plain") ],
 161
 162     "tevent" : [
 163                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 164                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 165                  ("make", "make", "text/plain"),
 166                  ("install", "make install", "text/plain"),
 167                  ("test", "make test", "text/plain"),
 168                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 169                  ("distcheck", "make distcheck", "text/plain"),
 170                  ("clean", "make clean", "text/plain") ],
 171
 172     "pidl" : [
 173                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 174                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 175                ("touch", "touch *.yp", "text/plain"),
 176                ("make", "make", "text/plain"),
 177                ("test", "make test", "text/plain"),
 178                ("install", "make install", "text/plain"),
 179                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 180                ("clean", "make clean", "text/plain") ],
 181
 182     # these are useful for debugging autobuild
 183     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 184     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 185 }
 186
 187 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 188     if show is None:
 189         show = options.verbose
 190     if show:
 191         print("Running: '%s' in '%s'" % (cmd, dir))
 192     if output:
 193         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 194     elif checkfail:
 195         return check_call(cmd, shell=True, cwd=dir)
 196     else:
 197         return call(cmd, shell=True, cwd=dir)
 198
 199
 200 class builder(object):
 201     '''handle build of one directory'''
 202
 203     def __init__(self, name, sequence):
 204         self.name = name
 205         self.dir = builddirs[name]
 206
 207         self.tag = self.name.replace('/', '_')
 208         self.sequence = sequence
 209         self.next = 0
 210         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 211         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 212         if options.verbose:
 213             print("stdout for %s in %s" % (self.name, self.stdout_path))
 214             print("stderr for %s in %s" % (self.name, self.stderr_path))
 215         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 216         self.stdout = open(self.stdout_path, 'w')
 217         self.stderr = open(self.stderr_path, 'w')
 218         self.stdin  = open("/dev/null", 'r')
 219         self.sdir = "%s/%s" % (testbase, self.tag)
 220         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 221         run_cmd("rm -rf %s" % self.sdir)
 222         cleanup_list.append(self.sdir)
 223         cleanup_list.append(self.prefix)
 224         os.makedirs(self.sdir)
 225         run_cmd("rm -rf %s" % self.sdir)
 226         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 227         self.start_next()
 228
 229     def start_next(self):
 230         if self.next == len(self.sequence):
 231             print '%s: Completed OK' % self.name
 232             self.done = True
 233             return
 234         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 235         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 236         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 237         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 238 #        if self.output_mime_type == "text/x-subunit":
 239 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 240         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 241         cwd = os.getcwd()
 242         os.chdir("%s/%s" % (self.sdir, self.dir))
 243         self.proc = Popen(self.cmd, shell=True,
 244                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 245         os.chdir(cwd)
 246         self.next += 1
 247
 248
 249 class buildlist(object):
 250     '''handle build of multiple directories'''
 251
 252     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 253         global tasks
 254         self.tlist = []
 255         self.tail_proc = None
 256         self.retry = None
 257         if tasknames == []:
 258             tasknames = defaulttasks
 259         for n in tasknames:
 260             b = builder(n, tasks[n])
 261             self.tlist.append(b)
 262         if options.retry:
 263             rebase_remote = "rebaseon"
 264             retry_task = [ ("retry",
 265                             '''set -e
 266                             git remote add -t %s %s %s
 267                             git fetch %s
 268                             while :; do
 269                               sleep 60
 270                               git describe %s/%s > old_remote_branch.desc
 271                               git fetch %s
 272                               git describe %s/%s > remote_branch.desc
 273                               diff old_remote_branch.desc remote_branch.desc
 274                             done
 275                            ''' % (
 276                                rebase_branch, rebase_remote, rebase_url,
 277                                rebase_remote,
 278                                rebase_remote, rebase_branch,
 279                                rebase_remote,
 280                                rebase_remote, rebase_branch
 281                            ),
 282                            "test/plain" ) ]
 283
 284             self.retry = builder('retry', retry_task)
 285             self.need_retry = False
 286
 287     def kill_kids(self):
 288         if self.tail_proc is not None:
 289             self.tail_proc.terminate()
 290             self.tail_proc.wait()
 291             self.tail_proc = None
 292         if self.retry is not None:
 293             self.retry.proc.terminate()
 294             self.retry.proc.wait()
 295             self.retry = None
 296         for b in self.tlist:
 297             if b.proc is not None:
 298                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 299                 b.proc.terminate()
 300                 b.proc.wait()
 301                 b.proc = None
 302
 303     def wait_one(self):
 304         while True:
 305             none_running = True
 306             for b in self.tlist:
 307                 if b.proc is None:
 308                     continue
 309                 none_running = False
 310                 b.status = b.proc.poll()
 311                 if b.status is None:
 312                     continue
 313                 b.proc = None
 314                 return b
 315             if options.retry:
 316                 ret = self.retry.proc.poll()
 317                 if ret is not None:
 318                     self.need_retry = True
 319                     self.retry = None
 320                     return None
 321             if none_running:
 322                 return None
 323             time.sleep(0.1)
 324
 325     def run(self):
 326         while True:
 327             b = self.wait_one()
 328             if options.retry and self.need_retry:
 329                 self.kill_kids()
 330                 print("retry needed")
 331                 return (0, None, None, None, "retry")
 332             if b is None:
 333                 break
 334             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 335                 self.kill_kids()
 336                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 337             b.start_next()
 338         self.kill_kids()
 339         return (0, None, None, None, "All OK")
 340
 341     def tarlogs(self, fname):
 342         tar = tarfile.open(fname, "w:gz")
 343         for b in self.tlist:
 344             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 345             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 346         if os.path.exists("autobuild.log"):
 347             tar.add("autobuild.log")
 348         tar.close()
 349
 350     def remove_logs(self):
 351         for b in self.tlist:
 352             os.unlink(b.stdout_path)
 353             os.unlink(b.stderr_path)
 354
 355     def start_tail(self):
 356         cwd = os.getcwd()
 357         cmd = "tail -f *.stdout *.stderr"
 358         os.chdir(gitroot)
 359         self.tail_proc = Popen(cmd, shell=True)
 360         os.chdir(cwd)
 361
 362
 363 def cleanup():
 364     if options.nocleanup:
 365         return
 366     print("Cleaning up ....")
 367     for d in cleanup_list:
 368         run_cmd("rm -rf %s" % d)
 369
 370
 371 def find_git_root():
 372     '''get to the top of the git repo'''
 373     p=os.getcwd()
 374     while p != '/':
 375         if os.path.isdir(os.path.join(p, ".git")):
 376             return p
 377         p = os.path.abspath(os.path.join(p, '..'))
 378     return None
 379
 380
 381 def daemonize(logfile):
 382     pid = os.fork()
 383     if pid == 0: # Parent
 384         os.setsid()
 385         pid = os.fork()
 386         if pid != 0: # Actual daemon
 387             os._exit(0)
 388     else: # Grandparent
 389         os._exit(0)
 390
 391     import resource      # Resource usage information.
 392     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 393     if maxfd == resource.RLIM_INFINITY:
 394         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 395     for fd in range(0, maxfd):
 396         try:
 397             os.close(fd)
 398         except OSError:
 399             pass
 400     os.open(logfile, os.O_RDWR | os.O_CREAT)
 401     os.dup2(0, 1)
 402     os.dup2(0, 2)
 403
 404 def write_pidfile(fname):
 405     '''write a pid file, cleanup on exit'''
 406     f = open(fname, mode='w')
 407     f.write("%u\n" % os.getpid())
 408     f.close()
 409
 410
 411 def rebase_tree(rebase_url, rebase_branch = "master"):
 412     rebase_remote = "rebaseon"
 413     print("Rebasing on %s" % rebase_url)
 414     run_cmd("git describe HEAD", show=True, dir=test_master)
 415     run_cmd("git remote add -t %s %s %s" %
 416             (rebase_branch, rebase_remote, rebase_url),
 417             show=True, dir=test_master)
 418     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 419     if options.fix_whitespace:
 420         run_cmd("git rebase --whitespace=fix %s/%s" %
 421                 (rebase_remote, rebase_branch),
 422                 show=True, dir=test_master)
 423     else:
 424         run_cmd("git rebase %s/%s" %
 425                 (rebase_remote, rebase_branch),
 426                 show=True, dir=test_master)
 427     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 428                    (rebase_remote, rebase_branch),
 429                    dir=test_master, output=True)
 430     if diff == '':
 431         print("No differences between HEAD and %s/%s - exiting" %
 432               (rebase_remote, rebase_branch))
 433         sys.exit(0)
 434     run_cmd("git describe %s/%s" %
 435             (rebase_remote, rebase_branch),
 436             show=True, dir=test_master)
 437     run_cmd("git describe HEAD", show=True, dir=test_master)
 438     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 439             (rebase_remote, rebase_branch),
 440             show=True, dir=test_master)
 441
 442 def push_to(url):
 443     print("Pushing to %s" % url)
 444     if options.mark:
 445         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 446         run_cmd("git commit --amend -c HEAD", dir=test_master)
 447         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 448         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 449     run_cmd("git remote add -t master pushto %s" % url, show=True, dir=test_master)
 450     run_cmd("git push pushto +HEAD:master", show=True, dir=test_master)
 451
 452 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 453
 454 parser = OptionParser()
 455 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 456 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 457 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 458 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 459                   default=def_testbase)
 460 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 461 parser.add_option("", "--verbose", help="show all commands as they are run",
 462                   default=False, action="store_true")
 463 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 464                   default=None, type='str')
 465 parser.add_option("", "--rebase-master", help="rebase on %s before testing" % samba_master,
 466                   default=False, action='store_true')
 467 parser.add_option("", "--pushto", help="push to a git url on success",
 468                   default=None, type='str')
 469 parser.add_option("", "--push-master", help="push to %s on success" % samba_master_ssh,
 470                   default=False, action='store_true')
 471 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 472                   default=False, action="store_true")
 473 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 474                   default=False, action="store_true")
 475 parser.add_option("", "--retry", help="automatically retry if master changes",
 476                   default=False, action="store_true")
 477 parser.add_option("", "--email", help="send email to the given address on failure",
 478                   type='str', default=None)
 479 parser.add_option("", "--always-email", help="always send email, even on success",
 480                   action="store_true")
 481 parser.add_option("", "--daemon", help="daemonize after initial setup",
 482                   action="store_true")
 483
 484
 485 def email_failure(status, failed_task, failed_stage, failed_tag, errstr):
 486     '''send an email to options.email about the failure'''
 487     user = os.getenv("USER")
 488     text = '''
 489 Dear Developer,
 490
 491 Your autobuild failed when trying to test %s with the following error:
 492    %s
 493
 494 the autobuild has been abandoned. Please fix the error and resubmit.
 495
 496 A summary of the autobuild process is here:
 497
 498   http://git.samba.org/%s/samba-autobuild/autobuild.log
 499 ''' % (failed_task, errstr, user)
 500
 501     if failed_task != 'rebase':
 502         text += '''
 503 You can see logs of the failed task here:
 504
 505   http://git.samba.org/%s/samba-autobuild/%s.stdout
 506   http://git.samba.org/%s/samba-autobuild/%s.stderr
 507
 508 or you can get full logs of all tasks in this job here:
 509
 510   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 511
 512 The top commit for the tree that was built was:
 513
 514 %s
 515
 516 ''' % (user, failed_tag, user, failed_tag, user, top_commit_msg)
 517     msg = MIMEText(text)
 518     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 519     msg['From'] = 'autobuild@samba.org'
 520     msg['To'] = options.email
 521
 522     s = smtplib.SMTP()
 523     s.connect()
 524     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 525     s.quit()
 526
 527 def email_success():
 528     '''send an email to options.email about a successful build'''
 529     user = os.getenv("USER")
 530     text = '''
 531 Dear Developer,
 532
 533 Your autobuild has succeeded.
 534
 535 '''
 536
 537     if options.keeplogs:
 538         text += '''
 539
 540 you can get full logs of all tasks in this job here:
 541
 542   http://git.samba.org/%s/samba-autobuild/logs.tar.gz
 543
 544 ''' % user
 545
 546     text += '''
 547 The top commit for the tree that was built was:
 548
 549 %s
 550 ''' % top_commit_msg
 551
 552     msg = MIMEText(text)
 553     msg['Subject'] = 'autobuild success'
 554     msg['From'] = 'autobuild@samba.org'
 555     msg['To'] = options.email
 556
 557     s = smtplib.SMTP()
 558     s.connect()
 559     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 560     s.quit()
 561
 562
 563 (options, args) = parser.parse_args()
 564
 565 if options.retry:
 566     if not options.rebase_master and options.rebase is None:
 567         raise Exception('You can only use --retry if you also rebase')
 568
 569 testbase = "%s/b%u" % (options.testbase, os.getpid())
 570 test_master = "%s/master" % testbase
 571
 572 gitroot = find_git_root()
 573 if gitroot is None:
 574     raise Exception("Failed to find git root")
 575
 576 # get the top commit message, for emails
 577 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 578
 579 try:
 580     os.makedirs(testbase)
 581 except Exception, reason:
 582     raise Exception("Unable to create %s : %s" % (testbase, reason))
 583 cleanup_list.append(testbase)
 584
 585 if options.daemon:
 586     logfile = os.path.join(testbase, "log")
 587     print "Forking into the background, writing progress to %s" % logfile
 588     daemonize(logfile)
 589
 590 write_pidfile(gitroot + "/autobuild.pid")
 591
 592 while True:
 593     try:
 594         run_cmd("rm -rf %s" % test_master)
 595         cleanup_list.append(test_master)
 596         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 597     except Exception:
 598         cleanup()
 599         raise
 600
 601     try:
 602         try:
 603             if options.rebase is not None:
 604                 rebase_url = options.rebase
 605             elif options.rebase_master:
 606                 rebase_url = samba_master
 607             else:
 608                 rebase_url = None
 609             if rebase_url is not None:
 610                 rebase_tree(rebase_url)
 611         except Exception:
 612             cleanup_list.append(gitroot + "/autobuild.pid")
 613             cleanup()
 614             email_failure(-1, 'rebase', 'rebase', 'rebase', 'rebase on master failed')
 615             sys.exit(1)
 616         blist = buildlist(tasks, args, rebase_url)
 617         if options.tail:
 618             blist.start_tail()
 619         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 620         if status != 0 or errstr != "retry":
 621             break
 622         cleanup()
 623     except Exception:
 624         cleanup()
 625         raise
 626
 627 cleanup_list.append(gitroot + "/autobuild.pid")
 628
 629 blist.kill_kids()
 630 if options.tail:
 631     print("waiting for tail to flush")
 632     time.sleep(1)
 633
 634 if status == 0:
 635     print errstr
 636     if options.passcmd is not None:
 637         print("Running passcmd: %s" % options.passcmd)
 638         run_cmd(options.passcmd, dir=test_master)
 639     if options.pushto is not None:
 640         push_to(options.pushto)
 641     elif options.push_master:
 642         push_to(samba_master_ssh)
 643     if options.keeplogs:
 644         blist.tarlogs("logs.tar.gz")
 645         print("Logs in logs.tar.gz")
 646     if options.always_email:
 647         email_success()
 648     blist.remove_logs()
 649     cleanup()
 650     print(errstr)
 651     sys.exit(0)
 652
 653 # something failed, gather a tar of the logs
 654 blist.tarlogs("logs.tar.gz")
 655
 656 if options.email is not None:
 657     email_failure(status, failed_task, failed_stage, failed_tag, errstr)
 658
 659 cleanup()
 660 print(errstr)
 661 print("Logs in logs.tar.gz")
 662 sys.exit(status)