script/autobuild.py

   1 #!/usr/bin/env python
   2 # run tests on all Samba subprojects and push to a git tree on success
   3 # Copyright Andrew Tridgell 2010
   4 # released under GNU GPL v3 or later
   5
   6 from subprocess import call, check_call,Popen, PIPE
   7 import os, tarfile, sys, time
   8 from optparse import OptionParser
   9 import smtplib
  10 from email.mime.text import MIMEText
  11 from distutils.sysconfig import get_python_lib
  12
  13 # This speeds up testing remarkably.
  14 os.environ['TDB_NO_FSYNC'] = '1'
  15
  16 cleanup_list = []
  17
  18 builddirs = {
  19     "samba3"  : "source3",
  20     "samba3-ctdb" : "source3",
  21     "samba"  : ".",
  22     "samba-ctdb" : ".",
  23     "samba-libs"  : ".",
  24     "ldb"     : "lib/ldb",
  25     "tdb"     : "lib/tdb",
  26     "ntdb"    : "lib/ntdb",
  27     "talloc"  : "lib/talloc",
  28     "replace" : "lib/replace",
  29     "tevent"  : "lib/tevent",
  30     "pidl"    : "pidl",
  31     "pass"    : ".",
  32     "fail"    : ".",
  33     "retry"   : "."
  34     }
  35
  36 defaulttasks = [ "samba3", "samba3-ctdb", "samba", "samba-ctdb", "samba-libs", "ldb", "tdb", "ntdb", "talloc", "replace", "tevent", "pidl" ]
  37
  38 tasks = {
  39     "samba3" : [ ("autogen", "./autogen.sh", "text/plain"),
  40                  ("configure", "./configure.developer ${PREFIX}", "text/plain"),
  41                  ("make basics", "make basics", "text/plain"),
  42                  # we split 'make -j 4', 'make bin/smbtorture' and 'make -j 4 everything'
  43                  # because it makes it much easier to find errors.
  44                  ("make", "make -j 4", "text/plain"), # don't use too many processes
  45                  ("make bin/smbtorture", "make bin/smbtorture", "text/plain"),
  46                  ("make everything", "make -j 4 everything", "text/plain"),
  47                  ("install", "make install", "text/plain"),
  48                  ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  49                  ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  50                  ("clean", "make clean", "text/plain") ],
  51
  52     "samba3-ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  53                       ("autogen", "./autogen.sh", "text/plain"),
  54                       ("configure", "./configure.developer ${PREFIX} --with-cluster-support --with-ctdb=../ctdb", "text/plain"),
  55                       ("make basics", "make basics", "text/plain"),
  56                       ("make", "make all", "text/plain"), # don't use too many processes
  57                       ("check", "LD_LIBRARY_PATH=./bin ./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  58                       ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  59                       ("clean", "make clean", "text/plain") ],
  60
  61     # We have 'test' before 'install' because, 'test' should work without 'install'
  62     "samba" : [ ("configure", "./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab", "text/plain"),
  63                 ("make", "make -j", "text/plain"),
  64                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  65                 ("install", "make install", "text/plain"),
  66                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  67                 ("clean", "make clean", "text/plain") ],
  68
  69     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  70
  71                      # make sure we have tdb around:
  72                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  73                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  74                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  75
  76                      # install the ctdb headers under the prefix:
  77                      ("ctdb-header-install", "cp ./ctdb/include/* ${PREFIX_DIR}/include", "text/plain"),
  78                      ("ctdb-header-ls", "ls ${PREFIX_DIR}/include/ctdb.h", "text/plain"),
  79
  80                      ("configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure.developer ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --with-ctdb-dir=${PREFIX_DIR} --bundled-libraries=!tdb", "text/plain"),
  81                      ("make", "make", "text/plain"),
  82                      ("check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  83                      ("install", "make install", "text/plain"),
  84                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  85                      ("clean", "make clean", "text/plain") ],
  86
  87     "samba-libs" : [
  88                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  89                       ("talloc-configure", "cd lib/talloc && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  90                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  91                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  92
  93                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  94                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  95                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  96
  97                       ("ntdb-configure", "cd lib/ntdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  98                       ("ntdb-make", "cd lib/ntdb && make", "text/plain"),
  99                       ("ntdb-install", "cd lib/ntdb && make install", "text/plain"),
 100
 101                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
 102                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 103                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 104
 105                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
 106                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 107                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 108
 109                       ("configure", "PYTHONPATH=${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"),
 110                       ("make", "make", "text/plain"),
 111                       ("install", "make install", "text/plain")],
 112
 113     "ldb" : [
 114               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 115               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 116               ("make", "make", "text/plain"),
 117               ("install", "make install", "text/plain"),
 118               ("test", "make test", "text/plain"),
 119               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 120               ("distcheck", "make distcheck", "text/plain"),
 121               ("clean", "make clean", "text/plain") ],
 122
 123     "tdb" : [
 124               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 125               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 126               ("make", "make", "text/plain"),
 127               ("install", "make install", "text/plain"),
 128               ("test", "make test", "text/plain"),
 129               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 130               ("distcheck", "make distcheck", "text/plain"),
 131               ("clean", "make clean", "text/plain") ],
 132
 133     "ntdb" : [
 134                ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 135                ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 136                ("make", "make", "text/plain"),
 137                ("install", "make install", "text/plain"),
 138                ("test", "make test", "text/plain"),
 139                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 140                ("distcheck", "make distcheck", "text/plain"),
 141                ("clean", "make clean", "text/plain") ],
 142
 143     "talloc" : [
 144                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 145                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 146                  ("make", "make", "text/plain"),
 147                  ("install", "make install", "text/plain"),
 148                  ("test", "make test", "text/plain"),
 149                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 150                  ("distcheck", "make distcheck", "text/plain"),
 151                  ("clean", "make clean", "text/plain") ],
 152
 153     "replace" : [
 154                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 155                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 156                   ("make", "make", "text/plain"),
 157                   ("install", "make install", "text/plain"),
 158                   ("test", "make test", "text/plain"),
 159                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 160                   ("distcheck", "make distcheck", "text/plain"),
 161                   ("clean", "make clean", "text/plain") ],
 162
 163     "tevent" : [
 164                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 165                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 166                  ("make", "make", "text/plain"),
 167                  ("install", "make install", "text/plain"),
 168                  ("test", "make test", "text/plain"),
 169                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 170                  ("distcheck", "make distcheck", "text/plain"),
 171                  ("clean", "make clean", "text/plain") ],
 172
 173     "pidl" : [
 174                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 175                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 176                ("touch", "touch *.yp", "text/plain"),
 177                ("make", "make", "text/plain"),
 178                ("test", "make test", "text/plain"),
 179                ("install", "make install", "text/plain"),
 180                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 181                ("clean", "make clean", "text/plain") ],
 182
 183     # these are useful for debugging autobuild
 184     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 185     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 186 }
 187
 188 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 189     if show is None:
 190         show = options.verbose
 191     if show:
 192         print("Running: '%s' in '%s'" % (cmd, dir))
 193     if output:
 194         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 195     elif checkfail:
 196         return check_call(cmd, shell=True, cwd=dir)
 197     else:
 198         return call(cmd, shell=True, cwd=dir)
 199
 200
 201 class builder(object):
 202     '''handle build of one directory'''
 203
 204     def __init__(self, name, sequence):
 205         self.name = name
 206         self.dir = builddirs[name]
 207
 208         self.tag = self.name.replace('/', '_')
 209         self.sequence = sequence
 210         self.next = 0
 211         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 212         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 213         if options.verbose:
 214             print("stdout for %s in %s" % (self.name, self.stdout_path))
 215             print("stderr for %s in %s" % (self.name, self.stderr_path))
 216         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 217         self.stdout = open(self.stdout_path, 'w')
 218         self.stderr = open(self.stderr_path, 'w')
 219         self.stdin  = open("/dev/null", 'r')
 220         self.sdir = "%s/%s" % (testbase, self.tag)
 221         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 222         run_cmd("rm -rf %s" % self.sdir)
 223         cleanup_list.append(self.sdir)
 224         cleanup_list.append(self.prefix)
 225         os.makedirs(self.sdir)
 226         run_cmd("rm -rf %s" % self.sdir)
 227         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 228         self.start_next()
 229
 230     def start_next(self):
 231         if self.next == len(self.sequence):
 232             print '%s: Completed OK' % self.name
 233             self.done = True
 234             return
 235         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 236         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 237         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 238         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 239 #        if self.output_mime_type == "text/x-subunit":
 240 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 241         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 242         cwd = os.getcwd()
 243         os.chdir("%s/%s" % (self.sdir, self.dir))
 244         self.proc = Popen(self.cmd, shell=True,
 245                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 246         os.chdir(cwd)
 247         self.next += 1
 248
 249
 250 class buildlist(object):
 251     '''handle build of multiple directories'''
 252
 253     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 254         global tasks
 255         self.tlist = []
 256         self.tail_proc = None
 257         self.retry = None
 258         if tasknames == []:
 259             tasknames = defaulttasks
 260         for n in tasknames:
 261             b = builder(n, tasks[n])
 262             self.tlist.append(b)
 263         if options.retry:
 264             rebase_remote = "rebaseon"
 265             retry_task = [ ("retry",
 266                             '''set -e
 267                             git remote add -t %s %s %s
 268                             git fetch %s
 269                             while :; do
 270                               sleep 60
 271                               git describe %s/%s > old_remote_branch.desc
 272                               git fetch %s
 273                               git describe %s/%s > remote_branch.desc
 274                               diff old_remote_branch.desc remote_branch.desc
 275                             done
 276                            ''' % (
 277                                rebase_branch, rebase_remote, rebase_url,
 278                                rebase_remote,
 279                                rebase_remote, rebase_branch,
 280                                rebase_remote,
 281                                rebase_remote, rebase_branch
 282                            ),
 283                            "test/plain" ) ]
 284
 285             self.retry = builder('retry', retry_task)
 286             self.need_retry = False
 287
 288     def kill_kids(self):
 289         if self.tail_proc is not None:
 290             self.tail_proc.terminate()
 291             self.tail_proc.wait()
 292             self.tail_proc = None
 293         if self.retry is not None:
 294             self.retry.proc.terminate()
 295             self.retry.proc.wait()
 296             self.retry = None
 297         for b in self.tlist:
 298             if b.proc is not None:
 299                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 300                 b.proc.terminate()
 301                 b.proc.wait()
 302                 b.proc = None
 303
 304     def wait_one(self):
 305         while True:
 306             none_running = True
 307             for b in self.tlist:
 308                 if b.proc is None:
 309                     continue
 310                 none_running = False
 311                 b.status = b.proc.poll()
 312                 if b.status is None:
 313                     continue
 314                 b.proc = None
 315                 return b
 316             if options.retry:
 317                 ret = self.retry.proc.poll()
 318                 if ret is not None:
 319                     self.need_retry = True
 320                     self.retry = None
 321                     return None
 322             if none_running:
 323                 return None
 324             time.sleep(0.1)
 325
 326     def run(self):
 327         while True:
 328             b = self.wait_one()
 329             if options.retry and self.need_retry:
 330                 self.kill_kids()
 331                 print("retry needed")
 332                 return (0, None, None, None, "retry")
 333             if b is None:
 334                 break
 335             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 336                 self.kill_kids()
 337                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 338             b.start_next()
 339         self.kill_kids()
 340         return (0, None, None, None, "All OK")
 341
 342     def tarlogs(self, fname):
 343         tar = tarfile.open(fname, "w:gz")
 344         for b in self.tlist:
 345             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 346             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 347         if os.path.exists("autobuild.log"):
 348             tar.add("autobuild.log")
 349         tar.close()
 350
 351     def remove_logs(self):
 352         for b in self.tlist:
 353             os.unlink(b.stdout_path)
 354             os.unlink(b.stderr_path)
 355
 356     def start_tail(self):
 357         cwd = os.getcwd()
 358         cmd = "tail -f *.stdout *.stderr"
 359         os.chdir(gitroot)
 360         self.tail_proc = Popen(cmd, shell=True)
 361         os.chdir(cwd)
 362
 363
 364 def cleanup():
 365     if options.nocleanup:
 366         return
 367     print("Cleaning up ....")
 368     for d in cleanup_list:
 369         run_cmd("rm -rf %s" % d)
 370
 371
 372 def find_git_root():
 373     '''get to the top of the git repo'''
 374     p=os.getcwd()
 375     while p != '/':
 376         if os.path.isdir(os.path.join(p, ".git")):
 377             return p
 378         p = os.path.abspath(os.path.join(p, '..'))
 379     return None
 380
 381
 382 def daemonize(logfile):
 383     pid = os.fork()
 384     if pid == 0: # Parent
 385         os.setsid()
 386         pid = os.fork()
 387         if pid != 0: # Actual daemon
 388             os._exit(0)
 389     else: # Grandparent
 390         os._exit(0)
 391
 392     import resource      # Resource usage information.
 393     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 394     if maxfd == resource.RLIM_INFINITY:
 395         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 396     for fd in range(0, maxfd):
 397         try:
 398             os.close(fd)
 399         except OSError:
 400             pass
 401     os.open(logfile, os.O_RDWR | os.O_CREAT)
 402     os.dup2(0, 1)
 403     os.dup2(0, 2)
 404
 405 def write_pidfile(fname):
 406     '''write a pid file, cleanup on exit'''
 407     f = open(fname, mode='w')
 408     f.write("%u\n" % os.getpid())
 409     f.close()
 410
 411
 412 def rebase_tree(rebase_url, rebase_branch = "master"):
 413     rebase_remote = "rebaseon"
 414     print("Rebasing on %s" % rebase_url)
 415     run_cmd("git describe HEAD", show=True, dir=test_master)
 416     run_cmd("git remote add -t %s %s %s" %
 417             (rebase_branch, rebase_remote, rebase_url),
 418             show=True, dir=test_master)
 419     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 420     if options.fix_whitespace:
 421         run_cmd("git rebase --whitespace=fix %s/%s" %
 422                 (rebase_remote, rebase_branch),
 423                 show=True, dir=test_master)
 424     else:
 425         run_cmd("git rebase %s/%s" %
 426                 (rebase_remote, rebase_branch),
 427                 show=True, dir=test_master)
 428     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 429                    (rebase_remote, rebase_branch),
 430                    dir=test_master, output=True)
 431     if diff == '':
 432         print("No differences between HEAD and %s/%s - exiting" %
 433               (rebase_remote, rebase_branch))
 434         sys.exit(0)
 435     run_cmd("git describe %s/%s" %
 436             (rebase_remote, rebase_branch),
 437             show=True, dir=test_master)
 438     run_cmd("git describe HEAD", show=True, dir=test_master)
 439     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 440             (rebase_remote, rebase_branch),
 441             show=True, dir=test_master)
 442
 443 def push_to(push_url, push_branch = "master"):
 444     push_remote = "pushto"
 445     print("Pushing to %s" % push_url)
 446     if options.mark:
 447         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 448         run_cmd("git commit --amend -c HEAD", dir=test_master)
 449         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 450         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 451     run_cmd("git remote add -t %s %s %s" %
 452             (push_branch, push_remote, push_url),
 453             show=True, dir=test_master)
 454     run_cmd("git push %s +HEAD:%s" %
 455             (push_remote, push_branch),
 456             show=True, dir=test_master)
 457
 458 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 459
 460 gitroot = find_git_root()
 461 if gitroot is None:
 462     raise Exception("Failed to find git root")
 463
 464 parser = OptionParser()
 465 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 466 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 467 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 468 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 469                   default=def_testbase)
 470 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 471 parser.add_option("", "--verbose", help="show all commands as they are run",
 472                   default=False, action="store_true")
 473 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 474                   default=None, type='str')
 475 parser.add_option("", "--pushto", help="push to a git url on success",
 476                   default=None, type='str')
 477 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 478                   default=False, action="store_true")
 479 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 480                   default=False, action="store_true")
 481 parser.add_option("", "--retry", help="automatically retry if master changes",
 482                   default=False, action="store_true")
 483 parser.add_option("", "--email", help="send email to the given address on failure",
 484                   type='str', default=None)
 485 parser.add_option("", "--always-email", help="always send email, even on success",
 486                   action="store_true")
 487 parser.add_option("", "--daemon", help="daemonize after initial setup",
 488                   action="store_true")
 489 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 490                   default="master", type='str')
 491 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 492                   default=gitroot, type='str')
 493
 494 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 495     '''send an email to options.email about the failure'''
 496     user = os.getenv("USER")
 497     if log_base is None:
 498         log_base = gitroot
 499     text = '''
 500 Dear Developer,
 501
 502 Your autobuild failed when trying to test %s with the following error:
 503    %s
 504
 505 the autobuild has been abandoned. Please fix the error and resubmit.
 506
 507 A summary of the autobuild process is here:
 508
 509   %s/autobuild.log
 510 ''' % (failed_task, errstr, log_base)
 511
 512     if failed_task != 'rebase':
 513         text += '''
 514 You can see logs of the failed task here:
 515
 516   %s/%s.stdout
 517   %s/%s.stderr
 518
 519 or you can get full logs of all tasks in this job here:
 520
 521   %s/logs.tar.gz
 522
 523 The top commit for the tree that was built was:
 524
 525 %s
 526
 527 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 528     msg = MIMEText(text)
 529     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 530     msg['From'] = 'autobuild@samba.org'
 531     msg['To'] = options.email
 532
 533     s = smtplib.SMTP()
 534     s.connect()
 535     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 536     s.quit()
 537
 538 def email_success(log_base=None):
 539     '''send an email to options.email about a successful build'''
 540     user = os.getenv("USER")
 541     if log_base is None:
 542         log_base = gitroot
 543     text = '''
 544 Dear Developer,
 545
 546 Your autobuild has succeeded.
 547
 548 '''
 549
 550     if options.keeplogs:
 551         text += '''
 552
 553 you can get full logs of all tasks in this job here:
 554
 555   %s/logs.tar.gz
 556
 557 ''' % log_base
 558
 559     text += '''
 560 The top commit for the tree that was built was:
 561
 562 %s
 563 ''' % top_commit_msg
 564
 565     msg = MIMEText(text)
 566     msg['Subject'] = 'autobuild success'
 567     msg['From'] = 'autobuild@samba.org'
 568     msg['To'] = options.email
 569
 570     s = smtplib.SMTP()
 571     s.connect()
 572     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 573     s.quit()
 574
 575
 576 (options, args) = parser.parse_args()
 577
 578 if options.retry:
 579     if options.rebase is None:
 580         raise Exception('You can only use --retry if you also rebase')
 581
 582 testbase = "%s/b%u" % (options.testbase, os.getpid())
 583 test_master = "%s/master" % testbase
 584
 585 # get the top commit message, for emails
 586 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 587
 588 try:
 589     os.makedirs(testbase)
 590 except Exception, reason:
 591     raise Exception("Unable to create %s : %s" % (testbase, reason))
 592 cleanup_list.append(testbase)
 593
 594 if options.daemon:
 595     logfile = os.path.join(testbase, "log")
 596     print "Forking into the background, writing progress to %s" % logfile
 597     daemonize(logfile)
 598
 599 write_pidfile(gitroot + "/autobuild.pid")
 600
 601 while True:
 602     try:
 603         run_cmd("rm -rf %s" % test_master)
 604         cleanup_list.append(test_master)
 605         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 606     except Exception:
 607         cleanup()
 608         raise
 609
 610     try:
 611         try:
 612             if options.rebase is not None:
 613                 rebase_tree(options.rebase, rebase_branch=options.branch)
 614         except Exception:
 615             cleanup_list.append(gitroot + "/autobuild.pid")
 616             cleanup()
 617             email_failure(-1, 'rebase', 'rebase', 'rebase',
 618                           'rebase on %s failed' % options.branch,
 619                           log_base=options.log_base)
 620             sys.exit(1)
 621         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 622         if options.tail:
 623             blist.start_tail()
 624         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 625         if status != 0 or errstr != "retry":
 626             break
 627         cleanup()
 628     except Exception:
 629         cleanup()
 630         raise
 631
 632 cleanup_list.append(gitroot + "/autobuild.pid")
 633
 634 blist.kill_kids()
 635 if options.tail:
 636     print("waiting for tail to flush")
 637     time.sleep(1)
 638
 639 if status == 0:
 640     print errstr
 641     if options.passcmd is not None:
 642         print("Running passcmd: %s" % options.passcmd)
 643         run_cmd(options.passcmd, dir=test_master)
 644     if options.pushto is not None:
 645         push_to(options.pushto, push_branch=options.branch)
 646     if options.keeplogs:
 647         blist.tarlogs("logs.tar.gz")
 648         print("Logs in logs.tar.gz")
 649     if options.always_email:
 650         email_success(log_base=options.log_base)
 651     blist.remove_logs()
 652     cleanup()
 653     print(errstr)
 654     sys.exit(0)
 655
 656 # something failed, gather a tar of the logs
 657 blist.tarlogs("logs.tar.gz")
 658
 659 if options.email is not None:
 660     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 661
 662 cleanup()
 663 print(errstr)
 664 print("Logs in logs.tar.gz")
 665 sys.exit(status)