script/autobuild.py

   1 #!/usr/bin/env python
   2 # run tests on all Samba subprojects and push to a git tree on success
   3 # Copyright Andrew Tridgell 2010
   4 # released under GNU GPL v3 or later
   5
   6 from subprocess import call, check_call,Popen, PIPE
   7 import os, tarfile, sys, time
   8 from optparse import OptionParser
   9 import smtplib
  10 from email.mime.text import MIMEText
  11 from distutils.sysconfig import get_python_lib
  12
  13 # This speeds up testing remarkably.
  14 os.environ['TDB_NO_FSYNC'] = '1'
  15
  16 cleanup_list = []
  17
  18 builddirs = {
  19     "ctdb"    : "ctdb",
  20     "samba"  : ".",
  21     "samba-ctdb" : ".",
  22     "samba-libs"  : ".",
  23     "ldb"     : "lib/ldb",
  24     "tdb"     : "lib/tdb",
  25     "ntdb"    : "lib/ntdb",
  26     "talloc"  : "lib/talloc",
  27     "replace" : "lib/replace",
  28     "tevent"  : "lib/tevent",
  29     "pidl"    : "pidl",
  30     "pass"    : ".",
  31     "fail"    : ".",
  32     "retry"   : "."
  33     }
  34
  35 defaulttasks = [ "ctdb", "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "ntdb", "talloc", "replace", "tevent", "pidl" ]
  36
  37 tasks = {
  38     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  39                ("configure", "./configure ${PREFIX}", "text/plain"),
  40                ("make", "make all", "text/plain"),
  41                ("install", "make install", "text/plain"),
  42                ("test", "make autotest", "text/plain"),
  43                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  44                ("clean", "make clean", "text/plain") ],
  45
  46     # We have 'test' before 'install' because, 'test' should work without 'install'
  47     "samba" : [ ("configure", "./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab", "text/plain"),
  48                 ("make", "make -j", "text/plain"),
  49                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  50                 ("install", "make install", "text/plain"),
  51                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  52                 ("clean", "make clean", "text/plain") ],
  53
  54     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  55
  56                      # make sure we have tdb around:
  57                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  58                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  59                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  60
  61
  62                      # build samba with cluster support against this ctdb:
  63                      ("samba-configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=${PREFIX_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH} ./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --bundled-libraries=!tdb", "text/plain"),
  64                      ("samba-make", "make", "text/plain"),
  65                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  66                      ("samba-install", "make install", "text/plain"),
  67                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
  68
  69                      # clean up:
  70                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  71                      ("clean", "make clean", "text/plain"),
  72                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
  73
  74     "samba-libs" : [
  75                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  76                       ("talloc-configure", "cd lib/talloc && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  77                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  78                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  79
  80                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  81                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  82                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  83
  84                       ("ntdb-configure", "cd lib/ntdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  85                       ("ntdb-make", "cd lib/ntdb && make", "text/plain"),
  86                       ("ntdb-install", "cd lib/ntdb && make install", "text/plain"),
  87
  88                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  89                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
  90                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
  91
  92                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  93                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
  94                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
  95
  96                       ("configure", "PYTHONPATH=${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}", "text/plain"),
  97                       ("make", "make", "text/plain"),
  98                       ("install", "make install", "text/plain"),
  99                       ("dist", "make dist", "text/plain")],
 100
 101     "ldb" : [
 102               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 103               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 104               ("make", "make", "text/plain"),
 105               ("install", "make install", "text/plain"),
 106               ("test", "make test", "text/plain"),
 107               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 108               ("distcheck", "make distcheck", "text/plain"),
 109               ("clean", "make clean", "text/plain") ],
 110
 111     "tdb" : [
 112               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 113               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 114               ("make", "make", "text/plain"),
 115               ("install", "make install", "text/plain"),
 116               ("test", "make test", "text/plain"),
 117               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 118               ("distcheck", "make distcheck", "text/plain"),
 119               ("clean", "make clean", "text/plain") ],
 120
 121     "ntdb" : [
 122                ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 123                ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 124                ("make", "make", "text/plain"),
 125                ("install", "make install", "text/plain"),
 126                ("test", "make test", "text/plain"),
 127                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 128                ("distcheck", "make distcheck", "text/plain"),
 129                ("clean", "make clean", "text/plain") ],
 130
 131     "talloc" : [
 132                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 133                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 134                  ("make", "make", "text/plain"),
 135                  ("install", "make install", "text/plain"),
 136                  ("test", "make test", "text/plain"),
 137                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 138                  ("distcheck", "make distcheck", "text/plain"),
 139                  ("clean", "make clean", "text/plain") ],
 140
 141     "replace" : [
 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     "tevent" : [
 152                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 153                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 154                  ("make", "make", "text/plain"),
 155                  ("install", "make install", "text/plain"),
 156                  ("test", "make test", "text/plain"),
 157                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 158                  ("distcheck", "make distcheck", "text/plain"),
 159                  ("clean", "make clean", "text/plain") ],
 160
 161     "pidl" : [
 162                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 163                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 164                ("touch", "touch *.yp", "text/plain"),
 165                ("make", "make", "text/plain"),
 166                ("test", "make test", "text/plain"),
 167                ("install", "make install", "text/plain"),
 168                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 169                ("clean", "make clean", "text/plain") ],
 170
 171     # these are useful for debugging autobuild
 172     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 173     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 174 }
 175
 176 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 177     if show is None:
 178         show = options.verbose
 179     if show:
 180         print("Running: '%s' in '%s'" % (cmd, dir))
 181     if output:
 182         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 183     elif checkfail:
 184         return check_call(cmd, shell=True, cwd=dir)
 185     else:
 186         return call(cmd, shell=True, cwd=dir)
 187
 188
 189 class builder(object):
 190     '''handle build of one directory'''
 191
 192     def __init__(self, name, sequence):
 193         self.name = name
 194         self.dir = builddirs[name]
 195
 196         self.tag = self.name.replace('/', '_')
 197         self.sequence = sequence
 198         self.next = 0
 199         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 200         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 201         if options.verbose:
 202             print("stdout for %s in %s" % (self.name, self.stdout_path))
 203             print("stderr for %s in %s" % (self.name, self.stderr_path))
 204         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 205         self.stdout = open(self.stdout_path, 'w')
 206         self.stderr = open(self.stderr_path, 'w')
 207         self.stdin  = open("/dev/null", 'r')
 208         self.sdir = "%s/%s" % (testbase, self.tag)
 209         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 210         run_cmd("rm -rf %s" % self.sdir)
 211         cleanup_list.append(self.sdir)
 212         cleanup_list.append(self.prefix)
 213         os.makedirs(self.sdir)
 214         run_cmd("rm -rf %s" % self.sdir)
 215         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 216         self.start_next()
 217
 218     def start_next(self):
 219         if self.next == len(self.sequence):
 220             print '%s: Completed OK' % self.name
 221             self.done = True
 222             return
 223         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 224         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 225         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 226         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 227 #        if self.output_mime_type == "text/x-subunit":
 228 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 229         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 230         cwd = os.getcwd()
 231         os.chdir("%s/%s" % (self.sdir, self.dir))
 232         self.proc = Popen(self.cmd, shell=True,
 233                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 234         os.chdir(cwd)
 235         self.next += 1
 236
 237
 238 class buildlist(object):
 239     '''handle build of multiple directories'''
 240
 241     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 242         global tasks
 243         self.tlist = []
 244         self.tail_proc = None
 245         self.retry = None
 246         if tasknames == []:
 247             tasknames = defaulttasks
 248         for n in tasknames:
 249             b = builder(n, tasks[n])
 250             self.tlist.append(b)
 251         if options.retry:
 252             rebase_remote = "rebaseon"
 253             retry_task = [ ("retry",
 254                             '''set -e
 255                             git remote add -t %s %s %s
 256                             git fetch %s
 257                             while :; do
 258                               sleep 60
 259                               git describe %s/%s > old_remote_branch.desc
 260                               git fetch %s
 261                               git describe %s/%s > remote_branch.desc
 262                               diff old_remote_branch.desc remote_branch.desc
 263                             done
 264                            ''' % (
 265                                rebase_branch, rebase_remote, rebase_url,
 266                                rebase_remote,
 267                                rebase_remote, rebase_branch,
 268                                rebase_remote,
 269                                rebase_remote, rebase_branch
 270                            ),
 271                            "test/plain" ) ]
 272
 273             self.retry = builder('retry', retry_task)
 274             self.need_retry = False
 275
 276     def kill_kids(self):
 277         if self.tail_proc is not None:
 278             self.tail_proc.terminate()
 279             self.tail_proc.wait()
 280             self.tail_proc = None
 281         if self.retry is not None:
 282             self.retry.proc.terminate()
 283             self.retry.proc.wait()
 284             self.retry = None
 285         for b in self.tlist:
 286             if b.proc is not None:
 287                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 288                 b.proc.terminate()
 289                 b.proc.wait()
 290                 b.proc = None
 291
 292     def wait_one(self):
 293         while True:
 294             none_running = True
 295             for b in self.tlist:
 296                 if b.proc is None:
 297                     continue
 298                 none_running = False
 299                 b.status = b.proc.poll()
 300                 if b.status is None:
 301                     continue
 302                 b.proc = None
 303                 return b
 304             if options.retry:
 305                 ret = self.retry.proc.poll()
 306                 if ret is not None:
 307                     self.need_retry = True
 308                     self.retry = None
 309                     return None
 310             if none_running:
 311                 return None
 312             time.sleep(0.1)
 313
 314     def run(self):
 315         while True:
 316             b = self.wait_one()
 317             if options.retry and self.need_retry:
 318                 self.kill_kids()
 319                 print("retry needed")
 320                 return (0, None, None, None, "retry")
 321             if b is None:
 322                 break
 323             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 324                 self.kill_kids()
 325                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 326             b.start_next()
 327         self.kill_kids()
 328         return (0, None, None, None, "All OK")
 329
 330     def tarlogs(self, fname):
 331         tar = tarfile.open(fname, "w:gz")
 332         for b in self.tlist:
 333             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 334             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 335         if os.path.exists("autobuild.log"):
 336             tar.add("autobuild.log")
 337         tar.close()
 338
 339     def remove_logs(self):
 340         for b in self.tlist:
 341             os.unlink(b.stdout_path)
 342             os.unlink(b.stderr_path)
 343
 344     def start_tail(self):
 345         cwd = os.getcwd()
 346         cmd = "tail -f *.stdout *.stderr"
 347         os.chdir(gitroot)
 348         self.tail_proc = Popen(cmd, shell=True)
 349         os.chdir(cwd)
 350
 351
 352 def cleanup():
 353     if options.nocleanup:
 354         return
 355     print("Cleaning up ....")
 356     for d in cleanup_list:
 357         run_cmd("rm -rf %s" % d)
 358
 359
 360 def find_git_root():
 361     '''get to the top of the git repo'''
 362     p=os.getcwd()
 363     while p != '/':
 364         if os.path.isdir(os.path.join(p, ".git")):
 365             return p
 366         p = os.path.abspath(os.path.join(p, '..'))
 367     return None
 368
 369
 370 def daemonize(logfile):
 371     pid = os.fork()
 372     if pid == 0: # Parent
 373         os.setsid()
 374         pid = os.fork()
 375         if pid != 0: # Actual daemon
 376             os._exit(0)
 377     else: # Grandparent
 378         os._exit(0)
 379
 380     import resource      # Resource usage information.
 381     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 382     if maxfd == resource.RLIM_INFINITY:
 383         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 384     for fd in range(0, maxfd):
 385         try:
 386             os.close(fd)
 387         except OSError:
 388             pass
 389     os.open(logfile, os.O_RDWR | os.O_CREAT)
 390     os.dup2(0, 1)
 391     os.dup2(0, 2)
 392
 393 def write_pidfile(fname):
 394     '''write a pid file, cleanup on exit'''
 395     f = open(fname, mode='w')
 396     f.write("%u\n" % os.getpid())
 397     f.close()
 398
 399
 400 def rebase_tree(rebase_url, rebase_branch = "master"):
 401     rebase_remote = "rebaseon"
 402     print("Rebasing on %s" % rebase_url)
 403     run_cmd("git describe HEAD", show=True, dir=test_master)
 404     run_cmd("git remote add -t %s %s %s" %
 405             (rebase_branch, rebase_remote, rebase_url),
 406             show=True, dir=test_master)
 407     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 408     if options.fix_whitespace:
 409         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 410                 (rebase_remote, rebase_branch),
 411                 show=True, dir=test_master)
 412     else:
 413         run_cmd("git rebase --force-rebase %s/%s" %
 414                 (rebase_remote, rebase_branch),
 415                 show=True, dir=test_master)
 416     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 417                    (rebase_remote, rebase_branch),
 418                    dir=test_master, output=True)
 419     if diff == '':
 420         print("No differences between HEAD and %s/%s - exiting" %
 421               (rebase_remote, rebase_branch))
 422         sys.exit(0)
 423     run_cmd("git describe %s/%s" %
 424             (rebase_remote, rebase_branch),
 425             show=True, dir=test_master)
 426     run_cmd("git describe HEAD", show=True, dir=test_master)
 427     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 428             (rebase_remote, rebase_branch),
 429             show=True, dir=test_master)
 430
 431 def push_to(push_url, push_branch = "master"):
 432     push_remote = "pushto"
 433     print("Pushing to %s" % push_url)
 434     if options.mark:
 435         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 436         run_cmd("git commit --amend -c HEAD", dir=test_master)
 437         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 438         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 439     run_cmd("git remote add -t %s %s %s" %
 440             (push_branch, push_remote, push_url),
 441             show=True, dir=test_master)
 442     run_cmd("git push %s +HEAD:%s" %
 443             (push_remote, push_branch),
 444             show=True, dir=test_master)
 445
 446 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 447
 448 gitroot = find_git_root()
 449 if gitroot is None:
 450     raise Exception("Failed to find git root")
 451
 452 parser = OptionParser()
 453 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 454 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 455 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 456 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 457                   default=def_testbase)
 458 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 459 parser.add_option("", "--verbose", help="show all commands as they are run",
 460                   default=False, action="store_true")
 461 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 462                   default=None, type='str')
 463 parser.add_option("", "--pushto", help="push to a git url on success",
 464                   default=None, type='str')
 465 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 466                   default=False, action="store_true")
 467 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 468                   default=False, action="store_true")
 469 parser.add_option("", "--retry", help="automatically retry if master changes",
 470                   default=False, action="store_true")
 471 parser.add_option("", "--email", help="send email to the given address on failure",
 472                   type='str', default=None)
 473 parser.add_option("", "--always-email", help="always send email, even on success",
 474                   action="store_true")
 475 parser.add_option("", "--daemon", help="daemonize after initial setup",
 476                   action="store_true")
 477 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 478                   default="master", type='str')
 479 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 480                   default=gitroot, type='str')
 481
 482 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 483     '''send an email to options.email about the failure'''
 484     user = os.getenv("USER")
 485     if log_base is None:
 486         log_base = gitroot
 487     text = '''
 488 Dear Developer,
 489
 490 Your autobuild failed when trying to test %s with the following error:
 491    %s
 492
 493 the autobuild has been abandoned. Please fix the error and resubmit.
 494
 495 A summary of the autobuild process is here:
 496
 497   %s/autobuild.log
 498 ''' % (failed_task, errstr, log_base)
 499
 500     if failed_task != 'rebase':
 501         text += '''
 502 You can see logs of the failed task here:
 503
 504   %s/%s.stdout
 505   %s/%s.stderr
 506
 507 or you can get full logs of all tasks in this job here:
 508
 509   %s/logs.tar.gz
 510
 511 The top commit for the tree that was built was:
 512
 513 %s
 514
 515 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 516     msg = MIMEText(text)
 517     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 518     msg['From'] = 'autobuild@samba.org'
 519     msg['To'] = options.email
 520
 521     s = smtplib.SMTP()
 522     s.connect()
 523     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 524     s.quit()
 525
 526 def email_success(log_base=None):
 527     '''send an email to options.email about a successful build'''
 528     user = os.getenv("USER")
 529     if log_base is None:
 530         log_base = gitroot
 531     text = '''
 532 Dear Developer,
 533
 534 Your autobuild has succeeded.
 535
 536 '''
 537
 538     if options.keeplogs:
 539         text += '''
 540
 541 you can get full logs of all tasks in this job here:
 542
 543   %s/logs.tar.gz
 544
 545 ''' % log_base
 546
 547     text += '''
 548 The top commit for the tree that was built was:
 549
 550 %s
 551 ''' % top_commit_msg
 552
 553     msg = MIMEText(text)
 554     msg['Subject'] = 'autobuild success'
 555     msg['From'] = 'autobuild@samba.org'
 556     msg['To'] = options.email
 557
 558     s = smtplib.SMTP()
 559     s.connect()
 560     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 561     s.quit()
 562
 563
 564 (options, args) = parser.parse_args()
 565
 566 if options.retry:
 567     if options.rebase is None:
 568         raise Exception('You can only use --retry if you also rebase')
 569
 570 testbase = "%s/b%u" % (options.testbase, os.getpid())
 571 test_master = "%s/master" % testbase
 572
 573 # get the top commit message, for emails
 574 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 575
 576 try:
 577     os.makedirs(testbase)
 578 except Exception, reason:
 579     raise Exception("Unable to create %s : %s" % (testbase, reason))
 580 cleanup_list.append(testbase)
 581
 582 if options.daemon:
 583     logfile = os.path.join(testbase, "log")
 584     print "Forking into the background, writing progress to %s" % logfile
 585     daemonize(logfile)
 586
 587 write_pidfile(gitroot + "/autobuild.pid")
 588
 589 while True:
 590     try:
 591         run_cmd("rm -rf %s" % test_master)
 592         cleanup_list.append(test_master)
 593         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 594     except Exception:
 595         cleanup()
 596         raise
 597
 598     try:
 599         try:
 600             if options.rebase is not None:
 601                 rebase_tree(options.rebase, rebase_branch=options.branch)
 602         except Exception:
 603             cleanup_list.append(gitroot + "/autobuild.pid")
 604             cleanup()
 605             email_failure(-1, 'rebase', 'rebase', 'rebase',
 606                           'rebase on %s failed' % options.branch,
 607                           log_base=options.log_base)
 608             sys.exit(1)
 609         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 610         if options.tail:
 611             blist.start_tail()
 612         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 613         if status != 0 or errstr != "retry":
 614             break
 615         cleanup()
 616     except Exception:
 617         cleanup()
 618         raise
 619
 620 cleanup_list.append(gitroot + "/autobuild.pid")
 621
 622 blist.kill_kids()
 623 if options.tail:
 624     print("waiting for tail to flush")
 625     time.sleep(1)
 626
 627 if status == 0:
 628     print errstr
 629     if options.passcmd is not None:
 630         print("Running passcmd: %s" % options.passcmd)
 631         run_cmd(options.passcmd, dir=test_master)
 632     if options.pushto is not None:
 633         push_to(options.pushto, push_branch=options.branch)
 634     if options.keeplogs:
 635         blist.tarlogs("logs.tar.gz")
 636         print("Logs in logs.tar.gz")
 637     if options.always_email:
 638         email_success(log_base=options.log_base)
 639     blist.remove_logs()
 640     cleanup()
 641     print(errstr)
 642     sys.exit(0)
 643
 644 # something failed, gather a tar of the logs
 645 blist.tarlogs("logs.tar.gz")
 646
 647 if options.email is not None:
 648     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 649
 650 cleanup()
 651 print(errstr)
 652 print("Logs in logs.tar.gz")
 653 sys.exit(status)