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 import email
  11 from email.mime.text import MIMEText
  12 from email.mime.base import MIMEBase
  13 from email.mime.application import MIMEApplication
  14 from email.mime.multipart import MIMEMultipart
  15 from distutils.sysconfig import get_python_lib
  16 import platform
  17
  18 # This speeds up testing remarkably.
  19 os.environ['TDB_NO_FSYNC'] = '1'
  20
  21 cleanup_list = []
  22
  23 builddirs = {
  24     "ctdb"    : "ctdb",
  25     "samba"  : ".",
  26     "samba-xc" : ".",
  27     "samba-ctdb" : ".",
  28     "samba-libs"  : ".",
  29     "ldb"     : "lib/ldb",
  30     "tdb"     : "lib/tdb",
  31     "talloc"  : "lib/talloc",
  32     "replace" : "lib/replace",
  33     "tevent"  : "lib/tevent",
  34     "pidl"    : "pidl",
  35     "pass"    : ".",
  36     "fail"    : ".",
  37     "retry"   : "."
  38     }
  39
  40 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-ctdb", "samba-libs", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  41
  42 samba_configure_params = " --picky-developer ${PREFIX} --with-profiling-data"
  43
  44 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  45 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  46 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  47 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX}"
  48 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  49 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  50
  51 tasks = {
  52     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  53                ("configure", "./configure ${PREFIX}", "text/plain"),
  54                ("make", "make all", "text/plain"),
  55                ("install", "make install", "text/plain"),
  56                ("test", "make autotest", "text/plain"),
  57                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  58                ("clean", "make clean", "text/plain") ],
  59
  60     # We have 'test' before 'install' because, 'test' should work without 'install'
  61     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  62                 ("make", "make -j", "text/plain"),
  63                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  64                 ("install", "make install", "text/plain"),
  65                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  66                 ("clean", "make clean", "text/plain") ],
  67
  68     # Test cross-compile infrastructure
  69     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  70                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  71                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  72                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  73                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  74                    ("compare-results", "script/compare_cc_results.py ./bin/c4che/default.cache.py ./bin-xe/c4che/default.cache.py ./bin-xa/c4che/default.cache.py", "text/plain")],
  75
  76
  77     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  78
  79                      # make sure we have tdb around:
  80                      ("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 ${PREFIX}", "text/plain"),
  81                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  82                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  83
  84
  85                      # build samba with cluster support (also building ctdb):
  86                      ("samba-configure", "PYTHONPATH=${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"),
  87                      ("samba-make", "make", "text/plain"),
  88                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  89                      ("samba-install", "make install", "text/plain"),
  90                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
  91
  92                      # clean up:
  93                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  94                      ("clean", "make clean", "text/plain"),
  95                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
  96
  97     "samba-libs" : [
  98                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  99                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 100                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 101                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 102
 103                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 104                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 105                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 106
 107                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 108                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 109                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 110
 111                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 112                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 113                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 114
 115                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 116                       ("nondevel-make", "make -j", "text/plain"),
 117                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 118                       ("nondevel-install", "make install", "text/plain"),
 119                       ("nondevel-dist", "make dist", "text/plain"),
 120
 121                       # retry with all modules shared
 122                       ("allshared-distclean", "make distclean", "text/plain"),
 123                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 124                       ("allshared-make", "make", "text/plain"),
 125
 126                       # retry with all modules static
 127                       ("allstatic-distclean", "make distclean", "text/plain"),
 128                       ("allstatic-configure", samba_libs_configure_samba + " --with-static-modules=ALL", "text/plain"),
 129                       ("allstatic-make", "make", "text/plain"),
 130
 131                       # retry without any required modules
 132                       ("none-distclean", "make distclean", "text/plain"),
 133                       ("none-configure", samba_libs_configure_samba + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 134                       ("none-make", "make", "text/plain"),
 135
 136                       # retry with nonshared smbd and smbtorture
 137                       ("nonshared-distclean", "make distclean", "text/plain"),
 138                       ("nonshared-configure", samba_libs_configure_base + " --bundled-libraries=talloc,tdb,pytdb,ldb,pyldb,tevent,pytevent --with-static-modules=ALL --nonshared-binary=smbtorture,smbd/smbd", "text/plain"),
 139                       ("nonshared-make", "make", "text/plain")],
 140
 141     "ldb" : [
 142               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 143               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 144               ("make", "make", "text/plain"),
 145               ("install", "make install", "text/plain"),
 146               ("test", "make test", "text/plain"),
 147               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 148               ("distcheck", "make distcheck", "text/plain"),
 149               ("clean", "make clean", "text/plain") ],
 150
 151     "tdb" : [
 152               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 153               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 154               ("make", "make", "text/plain"),
 155               ("install", "make install", "text/plain"),
 156               ("test", "make test", "text/plain"),
 157               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 158               ("distcheck", "make distcheck", "text/plain"),
 159               ("clean", "make clean", "text/plain") ],
 160
 161     "talloc" : [
 162                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 163                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 164                  ("make", "make", "text/plain"),
 165                  ("install", "make install", "text/plain"),
 166                  ("test", "make test", "text/plain"),
 167                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 168                  ("distcheck", "make distcheck", "text/plain"),
 169                  ("clean", "make clean", "text/plain") ],
 170
 171     "replace" : [
 172                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 173                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 174                   ("make", "make", "text/plain"),
 175                   ("install", "make install", "text/plain"),
 176                   ("test", "make test", "text/plain"),
 177                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 178                   ("distcheck", "make distcheck", "text/plain"),
 179                   ("clean", "make clean", "text/plain") ],
 180
 181     "tevent" : [
 182                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 183                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 184                  ("make", "make", "text/plain"),
 185                  ("install", "make install", "text/plain"),
 186                  ("test", "make test", "text/plain"),
 187                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 188                  ("distcheck", "make distcheck", "text/plain"),
 189                  ("clean", "make clean", "text/plain") ],
 190
 191     "pidl" : [
 192                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 193                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 194                ("touch", "touch *.yp", "text/plain"),
 195                ("make", "make", "text/plain"),
 196                ("test", "make test", "text/plain"),
 197                ("install", "make install", "text/plain"),
 198                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 199                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 200                ("clean", "make clean", "text/plain") ],
 201
 202     # these are useful for debugging autobuild
 203     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 204     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 205 }
 206
 207 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 208     if show is None:
 209         show = options.verbose
 210     if show:
 211         print("Running: '%s' in '%s'" % (cmd, dir))
 212     if output:
 213         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 214     elif checkfail:
 215         return check_call(cmd, shell=True, cwd=dir)
 216     else:
 217         return call(cmd, shell=True, cwd=dir)
 218
 219
 220 class builder(object):
 221     '''handle build of one directory'''
 222
 223     def __init__(self, name, sequence):
 224         self.name = name
 225         self.dir = builddirs[name]
 226
 227         self.tag = self.name.replace('/', '_')
 228         self.sequence = sequence
 229         self.next = 0
 230         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 231         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 232         if options.verbose:
 233             print("stdout for %s in %s" % (self.name, self.stdout_path))
 234             print("stderr for %s in %s" % (self.name, self.stderr_path))
 235         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 236         self.stdout = open(self.stdout_path, 'w')
 237         self.stderr = open(self.stderr_path, 'w')
 238         self.stdin  = open("/dev/null", 'r')
 239         self.sdir = "%s/%s" % (testbase, self.tag)
 240         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 241         run_cmd("rm -rf %s" % self.sdir)
 242         cleanup_list.append(self.sdir)
 243         cleanup_list.append(self.prefix)
 244         os.makedirs(self.sdir)
 245         run_cmd("rm -rf %s" % self.sdir)
 246         run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 247         self.start_next()
 248
 249     def start_next(self):
 250         if self.next == len(self.sequence):
 251             print '%s: Completed OK' % self.name
 252             self.done = True
 253             return
 254         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 255         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 256         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 257         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 258 #        if self.output_mime_type == "text/x-subunit":
 259 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 260         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 261         cwd = os.getcwd()
 262         os.chdir("%s/%s" % (self.sdir, self.dir))
 263         self.proc = Popen(self.cmd, shell=True,
 264                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 265         os.chdir(cwd)
 266         self.next += 1
 267
 268
 269 class buildlist(object):
 270     '''handle build of multiple directories'''
 271
 272     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 273         global tasks
 274         self.tlist = []
 275         self.tail_proc = None
 276         self.retry = None
 277         if tasknames == []:
 278             tasknames = defaulttasks
 279         else:
 280             # If we are only running one test,
 281             # do not sleep randomly to wait for it to start
 282             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 283
 284         for n in tasknames:
 285             b = builder(n, tasks[n])
 286             self.tlist.append(b)
 287         if options.retry:
 288             rebase_remote = "rebaseon"
 289             retry_task = [ ("retry",
 290                             '''set -e
 291                             git remote add -t %s %s %s
 292                             git fetch %s
 293                             while :; do
 294                               sleep 60
 295                               git describe %s/%s > old_remote_branch.desc
 296                               git fetch %s
 297                               git describe %s/%s > remote_branch.desc
 298                               diff old_remote_branch.desc remote_branch.desc
 299                             done
 300                            ''' % (
 301                                rebase_branch, rebase_remote, rebase_url,
 302                                rebase_remote,
 303                                rebase_remote, rebase_branch,
 304                                rebase_remote,
 305                                rebase_remote, rebase_branch
 306                            ),
 307                            "test/plain" ) ]
 308
 309             self.retry = builder('retry', retry_task)
 310             self.need_retry = False
 311
 312     def kill_kids(self):
 313         if self.tail_proc is not None:
 314             self.tail_proc.terminate()
 315             self.tail_proc.wait()
 316             self.tail_proc = None
 317         if self.retry is not None:
 318             self.retry.proc.terminate()
 319             self.retry.proc.wait()
 320             self.retry = None
 321         for b in self.tlist:
 322             if b.proc is not None:
 323                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 324                 b.proc.terminate()
 325                 b.proc.wait()
 326                 b.proc = None
 327
 328     def wait_one(self):
 329         while True:
 330             none_running = True
 331             for b in self.tlist:
 332                 if b.proc is None:
 333                     continue
 334                 none_running = False
 335                 b.status = b.proc.poll()
 336                 if b.status is None:
 337                     continue
 338                 b.proc = None
 339                 return b
 340             if options.retry:
 341                 ret = self.retry.proc.poll()
 342                 if ret is not None:
 343                     self.need_retry = True
 344                     self.retry = None
 345                     return None
 346             if none_running:
 347                 return None
 348             time.sleep(0.1)
 349
 350     def run(self):
 351         while True:
 352             b = self.wait_one()
 353             if options.retry and self.need_retry:
 354                 self.kill_kids()
 355                 print("retry needed")
 356                 return (0, None, None, None, "retry")
 357             if b is None:
 358                 break
 359             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 360                 self.kill_kids()
 361                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 362             b.start_next()
 363         self.kill_kids()
 364         return (0, None, None, None, "All OK")
 365
 366     def write_system_info(self):
 367         filename = 'system-info.txt'
 368         f = open(filename, 'w')
 369         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 370             print >>f, '### %s' % cmd
 371             print >>f, run_cmd(cmd, output=True, checkfail=False)
 372             print >>f
 373         f.close()
 374         return filename
 375
 376     def tarlogs(self, fname):
 377         tar = tarfile.open(fname, "w:gz")
 378         for b in self.tlist:
 379             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 380             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 381         if os.path.exists("autobuild.log"):
 382             tar.add("autobuild.log")
 383         sys_info = self.write_system_info()
 384         tar.add(sys_info)
 385         tar.close()
 386
 387     def remove_logs(self):
 388         for b in self.tlist:
 389             os.unlink(b.stdout_path)
 390             os.unlink(b.stderr_path)
 391
 392     def start_tail(self):
 393         cwd = os.getcwd()
 394         cmd = "tail -f *.stdout *.stderr"
 395         os.chdir(gitroot)
 396         self.tail_proc = Popen(cmd, shell=True)
 397         os.chdir(cwd)
 398
 399
 400 def cleanup():
 401     if options.nocleanup:
 402         return
 403     print("Cleaning up ....")
 404     for d in cleanup_list:
 405         run_cmd("rm -rf %s" % d)
 406
 407
 408 def find_git_root():
 409     '''get to the top of the git repo'''
 410     p=os.getcwd()
 411     while p != '/':
 412         if os.path.isdir(os.path.join(p, ".git")):
 413             return p
 414         p = os.path.abspath(os.path.join(p, '..'))
 415     return None
 416
 417
 418 def daemonize(logfile):
 419     pid = os.fork()
 420     if pid == 0: # Parent
 421         os.setsid()
 422         pid = os.fork()
 423         if pid != 0: # Actual daemon
 424             os._exit(0)
 425     else: # Grandparent
 426         os._exit(0)
 427
 428     import resource      # Resource usage information.
 429     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 430     if maxfd == resource.RLIM_INFINITY:
 431         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 432     for fd in range(0, maxfd):
 433         try:
 434             os.close(fd)
 435         except OSError:
 436             pass
 437     os.open(logfile, os.O_RDWR | os.O_CREAT)
 438     os.dup2(0, 1)
 439     os.dup2(0, 2)
 440
 441 def write_pidfile(fname):
 442     '''write a pid file, cleanup on exit'''
 443     f = open(fname, mode='w')
 444     f.write("%u\n" % os.getpid())
 445     f.close()
 446
 447
 448 def rebase_tree(rebase_url, rebase_branch = "master"):
 449     rebase_remote = "rebaseon"
 450     print("Rebasing on %s" % rebase_url)
 451     run_cmd("git describe HEAD", show=True, dir=test_master)
 452     run_cmd("git remote add -t %s %s %s" %
 453             (rebase_branch, rebase_remote, rebase_url),
 454             show=True, dir=test_master)
 455     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 456     if options.fix_whitespace:
 457         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 458                 (rebase_remote, rebase_branch),
 459                 show=True, dir=test_master)
 460     else:
 461         run_cmd("git rebase --force-rebase %s/%s" %
 462                 (rebase_remote, rebase_branch),
 463                 show=True, dir=test_master)
 464     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 465                    (rebase_remote, rebase_branch),
 466                    dir=test_master, output=True)
 467     if diff == '':
 468         print("No differences between HEAD and %s/%s - exiting" %
 469               (rebase_remote, rebase_branch))
 470         sys.exit(0)
 471     run_cmd("git describe %s/%s" %
 472             (rebase_remote, rebase_branch),
 473             show=True, dir=test_master)
 474     run_cmd("git describe HEAD", show=True, dir=test_master)
 475     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 476             (rebase_remote, rebase_branch),
 477             show=True, dir=test_master)
 478
 479 def push_to(push_url, push_branch = "master"):
 480     push_remote = "pushto"
 481     print("Pushing to %s" % push_url)
 482     if options.mark:
 483         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 484         run_cmd("git commit --amend -c HEAD", dir=test_master)
 485         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 486         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 487     run_cmd("git remote add -t %s %s %s" %
 488             (push_branch, push_remote, push_url),
 489             show=True, dir=test_master)
 490     run_cmd("git push %s +HEAD:%s" %
 491             (push_remote, push_branch),
 492             show=True, dir=test_master)
 493
 494 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 495
 496 gitroot = find_git_root()
 497 if gitroot is None:
 498     raise Exception("Failed to find git root")
 499
 500 parser = OptionParser()
 501 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 502 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 503 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 504 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 505                   default=def_testbase)
 506 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 507 parser.add_option("", "--verbose", help="show all commands as they are run",
 508                   default=False, action="store_true")
 509 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 510                   default=None, type='str')
 511 parser.add_option("", "--pushto", help="push to a git url on success",
 512                   default=None, type='str')
 513 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 514                   default=False, action="store_true")
 515 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 516                   default=False, action="store_true")
 517 parser.add_option("", "--retry", help="automatically retry if master changes",
 518                   default=False, action="store_true")
 519 parser.add_option("", "--email", help="send email to the given address on failure",
 520                   type='str', default=None)
 521 parser.add_option("", "--email-from", help="send email from the given address",
 522                   type='str', default="autobuild@samba.org")
 523 parser.add_option("", "--email-server", help="send email via the given server",
 524                   type='str', default='localhost')
 525 parser.add_option("", "--always-email", help="always send email, even on success",
 526                   action="store_true")
 527 parser.add_option("", "--daemon", help="daemonize after initial setup",
 528                   action="store_true")
 529 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 530                   default="master", type='str')
 531 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 532                   default=gitroot, type='str')
 533 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 534                   default=False, action="store_true")
 535
 536 def send_email(subject, text, log_tar):
 537     outer = MIMEMultipart()
 538     outer['Subject'] = subject
 539     outer['To'] = options.email
 540     outer['From'] = options.email_from
 541     outer['Date'] = email.utils.formatdate(localtime = True)
 542     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 543     outer.attach(MIMEText(text, 'plain'))
 544     if options.attach_logs:
 545         fp = open(log_tar, 'rb')
 546         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 547         fp.close()
 548         # Set the filename parameter
 549         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 550         outer.attach(msg)
 551     content = outer.as_string()
 552     s = smtplib.SMTP(options.email_server)
 553     s.sendmail(options.email_from, [options.email], content)
 554     s.set_debuglevel(1)
 555     s.quit()
 556
 557 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 558                   elapsed_time, log_base=None):
 559     '''send an email to options.email about the failure'''
 560     elapsed_minutes = elapsed_time / 60.0
 561     user = os.getenv("USER")
 562     if log_base is None:
 563         log_base = gitroot
 564     text = '''
 565 Dear Developer,
 566
 567 Your autobuild on %s failed after %.1f minutes
 568 when trying to test %s with the following error:
 569
 570    %s
 571
 572 the autobuild has been abandoned. Please fix the error and resubmit.
 573
 574 A summary of the autobuild process is here:
 575
 576   %s/autobuild.log
 577 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 578
 579     if failed_task != 'rebase':
 580         text += '''
 581 You can see logs of the failed task here:
 582
 583   %s/%s.stdout
 584   %s/%s.stderr
 585
 586 or you can get full logs of all tasks in this job here:
 587
 588   %s/logs.tar.gz
 589
 590 The top commit for the tree that was built was:
 591
 592 %s
 593
 594 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 595
 596     logs = os.path.join(gitroot, 'logs.tar.gz')
 597     send_email('autobuild failure on %s for task %s during %s'
 598                % (platform.node(), failed_task, failed_stage),
 599                text, logs)
 600
 601 def email_success(elapsed_time, log_base=None):
 602     '''send an email to options.email about a successful build'''
 603     user = os.getenv("USER")
 604     if log_base is None:
 605         log_base = gitroot
 606     text = '''
 607 Dear Developer,
 608
 609 Your autobuild on %s has succeeded after %.1f minutes.
 610
 611 ''' % (platform.node(), elapsed_time / 60.)
 612
 613     if options.keeplogs:
 614         text += '''
 615
 616 you can get full logs of all tasks in this job here:
 617
 618   %s/logs.tar.gz
 619
 620 ''' % log_base
 621
 622     text += '''
 623 The top commit for the tree that was built was:
 624
 625 %s
 626 ''' % top_commit_msg
 627
 628     logs = os.path.join(gitroot, 'logs.tar.gz')
 629     send_email('autobuild sucess on %s ' % platform.node(),
 630                text, logs)
 631
 632
 633 (options, args) = parser.parse_args()
 634
 635 if options.retry:
 636     if options.rebase is None:
 637         raise Exception('You can only use --retry if you also rebase')
 638
 639 testbase = "%s/b%u" % (options.testbase, os.getpid())
 640 test_master = "%s/master" % testbase
 641
 642 # get the top commit message, for emails
 643 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 644
 645 try:
 646     os.makedirs(testbase)
 647 except Exception, reason:
 648     raise Exception("Unable to create %s : %s" % (testbase, reason))
 649 cleanup_list.append(testbase)
 650
 651 if options.daemon:
 652     logfile = os.path.join(testbase, "log")
 653     print "Forking into the background, writing progress to %s" % logfile
 654     daemonize(logfile)
 655
 656 write_pidfile(gitroot + "/autobuild.pid")
 657
 658 start_time = time.time()
 659
 660 while True:
 661     try:
 662         run_cmd("rm -rf %s" % test_master)
 663         cleanup_list.append(test_master)
 664         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 665     except Exception:
 666         cleanup()
 667         raise
 668
 669     try:
 670         try:
 671             if options.rebase is not None:
 672                 rebase_tree(options.rebase, rebase_branch=options.branch)
 673         except Exception:
 674             cleanup_list.append(gitroot + "/autobuild.pid")
 675             cleanup()
 676             elapsed_time = time.time() - start_time
 677             email_failure(-1, 'rebase', 'rebase', 'rebase',
 678                           'rebase on %s failed' % options.branch,
 679                           elapsed_time, log_base=options.log_base)
 680             sys.exit(1)
 681         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 682         if options.tail:
 683             blist.start_tail()
 684         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 685         if status != 0 or errstr != "retry":
 686             break
 687         cleanup()
 688     except Exception:
 689         cleanup()
 690         raise
 691
 692 cleanup_list.append(gitroot + "/autobuild.pid")
 693
 694 blist.kill_kids()
 695 if options.tail:
 696     print("waiting for tail to flush")
 697     time.sleep(1)
 698
 699 elapsed_time = time.time() - start_time
 700 if status == 0:
 701     print errstr
 702     if options.passcmd is not None:
 703         print("Running passcmd: %s" % options.passcmd)
 704         run_cmd(options.passcmd, dir=test_master)
 705     if options.pushto is not None:
 706         push_to(options.pushto, push_branch=options.branch)
 707     if options.keeplogs or options.attach_logs:
 708         blist.tarlogs("logs.tar.gz")
 709         print("Logs in logs.tar.gz")
 710     if options.always_email:
 711         email_success(elapsed_time, log_base=options.log_base)
 712     blist.remove_logs()
 713     cleanup()
 714     print(errstr)
 715     sys.exit(0)
 716
 717 # something failed, gather a tar of the logs
 718 blist.tarlogs("logs.tar.gz")
 719
 720 if options.email is not None:
 721     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 722                   elapsed_time, log_base=options.log_base)
 723
 724 cleanup()
 725 print(errstr)
 726 print("Logs in logs.tar.gz")
 727 sys.exit(status)