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     "samba"  : ".",
  20     "samba-ctdb" : ".",
  21     "samba-libs"  : ".",
  22     "ldb"     : "lib/ldb",
  23     "tdb"     : "lib/tdb",
  24     "ntdb"    : "lib/ntdb",
  25     "talloc"  : "lib/talloc",
  26     "replace" : "lib/replace",
  27     "tevent"  : "lib/tevent",
  28     "pidl"    : "pidl",
  29     "pass"    : ".",
  30     "fail"    : ".",
  31     "retry"   : "."
  32     }
  33
  34 defaulttasks = [ "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "ntdb", "talloc", "replace", "tevent", "pidl" ]
  35
  36 tasks = {
  37     # We have 'test' before 'install' because, 'test' should work without 'install'
  38     "samba" : [ ("configure", "./configure.developer ${PREFIX} ${PERL_VENDOR_LIB} --with-selftest-prefix=./bin/ab", "text/plain"),
  39                 ("make", "make -j", "text/plain"),
  40                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  41                 ("install", "make install", "text/plain"),
  42                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  43                 ("clean", "make clean", "text/plain") ],
  44
  45     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  46
  47                      # make sure we have tdb around:
  48                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${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"),
  49                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  50                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  51
  52                      # install the ctdb headers under the prefix:
  53                      ("ctdb-header-install", "cp ./ctdb/include/* ${PREFIX_DIR}/include", "text/plain"),
  54                      ("ctdb-header-ls", "ls ${PREFIX_DIR}/include/ctdb.h", "text/plain"),
  55
  56                      ("configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure.developer ${PREFIX} ${PERL_VENDOR_LIB} --with-selftest-prefix=./bin/ab --with-cluster-support --with-ctdb-dir=${PREFIX_DIR} --bundled-libraries=!tdb", "text/plain"),
  57                      ("make", "make", "text/plain"),
  58                      ("check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  59                      ("install", "make install", "text/plain"),
  60                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  61                      ("clean", "make clean", "text/plain") ],
  62
  63     "samba-libs" : [
  64                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  65                       ("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 ${PREFIX}", "text/plain"),
  66                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  67                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  68
  69                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  70                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  71                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  72
  73                       ("ntdb-configure", "cd lib/ntdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  74                       ("ntdb-make", "cd lib/ntdb && make", "text/plain"),
  75                       ("ntdb-install", "cd lib/ntdb && make install", "text/plain"),
  76
  77                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  78                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
  79                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
  80
  81                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  82                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
  83                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
  84
  85                       ("configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=!talloc,!tdb,!pytdb,!ntdb,!pyntdb,!ldb,!pyldb,!tevent,!pytevent --abi-check --enable-debug -C ${PREFIX} ${PERL_VENDOR_LIB}", "text/plain"),
  86                       ("make", "make", "text/plain"),
  87                       ("install", "make install", "text/plain")],
  88
  89     "ldb" : [
  90               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
  91               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
  92               ("make", "make", "text/plain"),
  93               ("install", "make install", "text/plain"),
  94               ("test", "make test", "text/plain"),
  95               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
  96               ("distcheck", "make distcheck", "text/plain"),
  97               ("clean", "make clean", "text/plain") ],
  98
  99     "tdb" : [
 100               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 101               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 102               ("make", "make", "text/plain"),
 103               ("install", "make install", "text/plain"),
 104               ("test", "make test", "text/plain"),
 105               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 106               ("distcheck", "make distcheck", "text/plain"),
 107               ("clean", "make clean", "text/plain") ],
 108
 109     "ntdb" : [
 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     "talloc" : [
 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     "replace" : [
 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     "tevent" : [
 140                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 141                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 142                  ("make", "make", "text/plain"),
 143                  ("install", "make install", "text/plain"),
 144                  ("test", "make test", "text/plain"),
 145                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 146                  ("distcheck", "make distcheck", "text/plain"),
 147                  ("clean", "make clean", "text/plain") ],
 148
 149     "pidl" : [
 150                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 151                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 152                ("touch", "touch *.yp", "text/plain"),
 153                ("make", "make", "text/plain"),
 154                ("test", "make test", "text/plain"),
 155                ("install", "make install", "text/plain"),
 156                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 157                ("clean", "make clean", "text/plain") ],
 158
 159     # these are useful for debugging autobuild
 160     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 161     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 162 }
 163
 164 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 165     if show is None:
 166         show = options.verbose
 167     if show:
 168         print("Running: '%s' in '%s'" % (cmd, dir))
 169     if output:
 170         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 171     elif checkfail:
 172         return check_call(cmd, shell=True, cwd=dir)
 173     else:
 174         return call(cmd, shell=True, cwd=dir)
 175
 176
 177 class builder(object):
 178     '''handle build of one directory'''
 179
 180     def __init__(self, name, sequence):
 181         self.name = name
 182         self.dir = builddirs[name]
 183
 184         self.tag = self.name.replace('/', '_')
 185         self.sequence = sequence
 186         self.next = 0
 187         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 188         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 189         if options.verbose:
 190             print("stdout for %s in %s" % (self.name, self.stdout_path))
 191             print("stderr for %s in %s" % (self.name, self.stderr_path))
 192         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 193         self.stdout = open(self.stdout_path, 'w')
 194         self.stderr = open(self.stderr_path, 'w')
 195         self.stdin  = open("/dev/null", 'r')
 196         self.sdir = "%s/%s" % (testbase, self.tag)
 197         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 198         run_cmd("rm -rf %s" % self.sdir)
 199         cleanup_list.append(self.sdir)
 200         cleanup_list.append(self.prefix)
 201         os.makedirs(self.sdir)
 202         run_cmd("rm -rf %s" % self.sdir)
 203         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 204         self.start_next()
 205
 206     def start_next(self):
 207         if self.next == len(self.sequence):
 208             print '%s: Completed OK' % self.name
 209             self.done = True
 210             return
 211         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 212         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 213         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 214         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 215         perl_vendor_lib = "--with-perl-arch-install-dir=%s/share/perl5 " % self.prefix
 216         perl_vendor_lib += "--with-perl-lib-install-dir=%s/lib/perl5" % self.prefix
 217         self.cmd = self.cmd.replace("${PERL_VENDOR_LIB}", perl_vendor_lib)
 218 #        if self.output_mime_type == "text/x-subunit":
 219 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 220         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 221         cwd = os.getcwd()
 222         os.chdir("%s/%s" % (self.sdir, self.dir))
 223         self.proc = Popen(self.cmd, shell=True,
 224                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 225         os.chdir(cwd)
 226         self.next += 1
 227
 228
 229 class buildlist(object):
 230     '''handle build of multiple directories'''
 231
 232     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 233         global tasks
 234         self.tlist = []
 235         self.tail_proc = None
 236         self.retry = None
 237         if tasknames == []:
 238             tasknames = defaulttasks
 239         for n in tasknames:
 240             b = builder(n, tasks[n])
 241             self.tlist.append(b)
 242         if options.retry:
 243             rebase_remote = "rebaseon"
 244             retry_task = [ ("retry",
 245                             '''set -e
 246                             git remote add -t %s %s %s
 247                             git fetch %s
 248                             while :; do
 249                               sleep 60
 250                               git describe %s/%s > old_remote_branch.desc
 251                               git fetch %s
 252                               git describe %s/%s > remote_branch.desc
 253                               diff old_remote_branch.desc remote_branch.desc
 254                             done
 255                            ''' % (
 256                                rebase_branch, rebase_remote, rebase_url,
 257                                rebase_remote,
 258                                rebase_remote, rebase_branch,
 259                                rebase_remote,
 260                                rebase_remote, rebase_branch
 261                            ),
 262                            "test/plain" ) ]
 263
 264             self.retry = builder('retry', retry_task)
 265             self.need_retry = False
 266
 267     def kill_kids(self):
 268         if self.tail_proc is not None:
 269             self.tail_proc.terminate()
 270             self.tail_proc.wait()
 271             self.tail_proc = None
 272         if self.retry is not None:
 273             self.retry.proc.terminate()
 274             self.retry.proc.wait()
 275             self.retry = None
 276         for b in self.tlist:
 277             if b.proc is not None:
 278                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 279                 b.proc.terminate()
 280                 b.proc.wait()
 281                 b.proc = None
 282
 283     def wait_one(self):
 284         while True:
 285             none_running = True
 286             for b in self.tlist:
 287                 if b.proc is None:
 288                     continue
 289                 none_running = False
 290                 b.status = b.proc.poll()
 291                 if b.status is None:
 292                     continue
 293                 b.proc = None
 294                 return b
 295             if options.retry:
 296                 ret = self.retry.proc.poll()
 297                 if ret is not None:
 298                     self.need_retry = True
 299                     self.retry = None
 300                     return None
 301             if none_running:
 302                 return None
 303             time.sleep(0.1)
 304
 305     def run(self):
 306         while True:
 307             b = self.wait_one()
 308             if options.retry and self.need_retry:
 309                 self.kill_kids()
 310                 print("retry needed")
 311                 return (0, None, None, None, "retry")
 312             if b is None:
 313                 break
 314             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 315                 self.kill_kids()
 316                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 317             b.start_next()
 318         self.kill_kids()
 319         return (0, None, None, None, "All OK")
 320
 321     def tarlogs(self, fname):
 322         tar = tarfile.open(fname, "w:gz")
 323         for b in self.tlist:
 324             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 325             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 326         if os.path.exists("autobuild.log"):
 327             tar.add("autobuild.log")
 328         tar.close()
 329
 330     def remove_logs(self):
 331         for b in self.tlist:
 332             os.unlink(b.stdout_path)
 333             os.unlink(b.stderr_path)
 334
 335     def start_tail(self):
 336         cwd = os.getcwd()
 337         cmd = "tail -f *.stdout *.stderr"
 338         os.chdir(gitroot)
 339         self.tail_proc = Popen(cmd, shell=True)
 340         os.chdir(cwd)
 341
 342
 343 def cleanup():
 344     if options.nocleanup:
 345         return
 346     print("Cleaning up ....")
 347     for d in cleanup_list:
 348         run_cmd("rm -rf %s" % d)
 349
 350
 351 def find_git_root():
 352     '''get to the top of the git repo'''
 353     p=os.getcwd()
 354     while p != '/':
 355         if os.path.isdir(os.path.join(p, ".git")):
 356             return p
 357         p = os.path.abspath(os.path.join(p, '..'))
 358     return None
 359
 360
 361 def daemonize(logfile):
 362     pid = os.fork()
 363     if pid == 0: # Parent
 364         os.setsid()
 365         pid = os.fork()
 366         if pid != 0: # Actual daemon
 367             os._exit(0)
 368     else: # Grandparent
 369         os._exit(0)
 370
 371     import resource      # Resource usage information.
 372     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 373     if maxfd == resource.RLIM_INFINITY:
 374         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 375     for fd in range(0, maxfd):
 376         try:
 377             os.close(fd)
 378         except OSError:
 379             pass
 380     os.open(logfile, os.O_RDWR | os.O_CREAT)
 381     os.dup2(0, 1)
 382     os.dup2(0, 2)
 383
 384 def write_pidfile(fname):
 385     '''write a pid file, cleanup on exit'''
 386     f = open(fname, mode='w')
 387     f.write("%u\n" % os.getpid())
 388     f.close()
 389
 390
 391 def rebase_tree(rebase_url, rebase_branch = "master"):
 392     rebase_remote = "rebaseon"
 393     print("Rebasing on %s" % rebase_url)
 394     run_cmd("git describe HEAD", show=True, dir=test_master)
 395     run_cmd("git remote add -t %s %s %s" %
 396             (rebase_branch, rebase_remote, rebase_url),
 397             show=True, dir=test_master)
 398     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 399     if options.fix_whitespace:
 400         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 401                 (rebase_remote, rebase_branch),
 402                 show=True, dir=test_master)
 403     else:
 404         run_cmd("git rebase --force-rebase %s/%s" %
 405                 (rebase_remote, rebase_branch),
 406                 show=True, dir=test_master)
 407     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 408                    (rebase_remote, rebase_branch),
 409                    dir=test_master, output=True)
 410     if diff == '':
 411         print("No differences between HEAD and %s/%s - exiting" %
 412               (rebase_remote, rebase_branch))
 413         sys.exit(0)
 414     run_cmd("git describe %s/%s" %
 415             (rebase_remote, rebase_branch),
 416             show=True, dir=test_master)
 417     run_cmd("git describe HEAD", show=True, dir=test_master)
 418     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 419             (rebase_remote, rebase_branch),
 420             show=True, dir=test_master)
 421
 422 def push_to(push_url, push_branch = "master"):
 423     push_remote = "pushto"
 424     print("Pushing to %s" % push_url)
 425     if options.mark:
 426         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 427         run_cmd("git commit --amend -c HEAD", dir=test_master)
 428         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 429         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 430     run_cmd("git remote add -t %s %s %s" %
 431             (push_branch, push_remote, push_url),
 432             show=True, dir=test_master)
 433     run_cmd("git push %s +HEAD:%s" %
 434             (push_remote, push_branch),
 435             show=True, dir=test_master)
 436
 437 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 438
 439 gitroot = find_git_root()
 440 if gitroot is None:
 441     raise Exception("Failed to find git root")
 442
 443 parser = OptionParser()
 444 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 445 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 446 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 447 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 448                   default=def_testbase)
 449 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 450 parser.add_option("", "--verbose", help="show all commands as they are run",
 451                   default=False, action="store_true")
 452 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 453                   default=None, type='str')
 454 parser.add_option("", "--pushto", help="push to a git url on success",
 455                   default=None, type='str')
 456 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 457                   default=False, action="store_true")
 458 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 459                   default=False, action="store_true")
 460 parser.add_option("", "--retry", help="automatically retry if master changes",
 461                   default=False, action="store_true")
 462 parser.add_option("", "--email", help="send email to the given address on failure",
 463                   type='str', default=None)
 464 parser.add_option("", "--always-email", help="always send email, even on success",
 465                   action="store_true")
 466 parser.add_option("", "--daemon", help="daemonize after initial setup",
 467                   action="store_true")
 468 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 469                   default="master", type='str')
 470 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 471                   default=gitroot, type='str')
 472
 473 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 474     '''send an email to options.email about the failure'''
 475     user = os.getenv("USER")
 476     if log_base is None:
 477         log_base = gitroot
 478     text = '''
 479 Dear Developer,
 480
 481 Your autobuild failed when trying to test %s with the following error:
 482    %s
 483
 484 the autobuild has been abandoned. Please fix the error and resubmit.
 485
 486 A summary of the autobuild process is here:
 487
 488   %s/autobuild.log
 489 ''' % (failed_task, errstr, log_base)
 490
 491     if failed_task != 'rebase':
 492         text += '''
 493 You can see logs of the failed task here:
 494
 495   %s/%s.stdout
 496   %s/%s.stderr
 497
 498 or you can get full logs of all tasks in this job here:
 499
 500   %s/logs.tar.gz
 501
 502 The top commit for the tree that was built was:
 503
 504 %s
 505
 506 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 507     msg = MIMEText(text)
 508     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 509     msg['From'] = 'autobuild@samba.org'
 510     msg['To'] = options.email
 511
 512     s = smtplib.SMTP()
 513     s.connect()
 514     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 515     s.quit()
 516
 517 def email_success(log_base=None):
 518     '''send an email to options.email about a successful build'''
 519     user = os.getenv("USER")
 520     if log_base is None:
 521         log_base = gitroot
 522     text = '''
 523 Dear Developer,
 524
 525 Your autobuild has succeeded.
 526
 527 '''
 528
 529     if options.keeplogs:
 530         text += '''
 531
 532 you can get full logs of all tasks in this job here:
 533
 534   %s/logs.tar.gz
 535
 536 ''' % log_base
 537
 538     text += '''
 539 The top commit for the tree that was built was:
 540
 541 %s
 542 ''' % top_commit_msg
 543
 544     msg = MIMEText(text)
 545     msg['Subject'] = 'autobuild success'
 546     msg['From'] = 'autobuild@samba.org'
 547     msg['To'] = options.email
 548
 549     s = smtplib.SMTP()
 550     s.connect()
 551     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 552     s.quit()
 553
 554
 555 (options, args) = parser.parse_args()
 556
 557 if options.retry:
 558     if options.rebase is None:
 559         raise Exception('You can only use --retry if you also rebase')
 560
 561 testbase = "%s/b%u" % (options.testbase, os.getpid())
 562 test_master = "%s/master" % testbase
 563
 564 # get the top commit message, for emails
 565 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 566
 567 try:
 568     os.makedirs(testbase)
 569 except Exception, reason:
 570     raise Exception("Unable to create %s : %s" % (testbase, reason))
 571 cleanup_list.append(testbase)
 572
 573 if options.daemon:
 574     logfile = os.path.join(testbase, "log")
 575     print "Forking into the background, writing progress to %s" % logfile
 576     daemonize(logfile)
 577
 578 write_pidfile(gitroot + "/autobuild.pid")
 579
 580 while True:
 581     try:
 582         run_cmd("rm -rf %s" % test_master)
 583         cleanup_list.append(test_master)
 584         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 585     except Exception:
 586         cleanup()
 587         raise
 588
 589     try:
 590         try:
 591             if options.rebase is not None:
 592                 rebase_tree(options.rebase, rebase_branch=options.branch)
 593         except Exception:
 594             cleanup_list.append(gitroot + "/autobuild.pid")
 595             cleanup()
 596             email_failure(-1, 'rebase', 'rebase', 'rebase',
 597                           'rebase on %s failed' % options.branch,
 598                           log_base=options.log_base)
 599             sys.exit(1)
 600         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 601         if options.tail:
 602             blist.start_tail()
 603         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 604         if status != 0 or errstr != "retry":
 605             break
 606         cleanup()
 607     except Exception:
 608         cleanup()
 609         raise
 610
 611 cleanup_list.append(gitroot + "/autobuild.pid")
 612
 613 blist.kill_kids()
 614 if options.tail:
 615     print("waiting for tail to flush")
 616     time.sleep(1)
 617
 618 if status == 0:
 619     print errstr
 620     if options.passcmd is not None:
 621         print("Running passcmd: %s" % options.passcmd)
 622         run_cmd(options.passcmd, dir=test_master)
 623     if options.pushto is not None:
 624         push_to(options.pushto, push_branch=options.branch)
 625     if options.keeplogs:
 626         blist.tarlogs("logs.tar.gz")
 627         print("Logs in logs.tar.gz")
 628     if options.always_email:
 629         email_success(log_base=options.log_base)
 630     blist.remove_logs()
 631     cleanup()
 632     print(errstr)
 633     sys.exit(0)
 634
 635 # something failed, gather a tar of the logs
 636 blist.tarlogs("logs.tar.gz")
 637
 638 if options.email is not None:
 639     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 640
 641 cleanup()
 642 print(errstr)
 643 print("Logs in logs.tar.gz")
 644 sys.exit(status)