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} ${PERL_VENDOR_LIB} --with-selftest-prefix=./bin/ab", "text/plain"),
  48                 ("make", "make -j", "text/plain"),
  49                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  50                 ("install", "make install", "text/plain"),
  51                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  52                 ("clean", "make clean", "text/plain") ],
  53
  54     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  55
  56                      # make sure we have tdb around:
  57                      ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  58                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  59                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  60
  61                      # build and install ctdb:
  62                      ("ctdb-configure", "cd ./ctdb && PKG_CONFIG_PATH=${PREFIX_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH} ./configure ${PREFIX} --bundled-libraries=!tdb", "text/plain"),
  63                      ("ctdb-make", "cd ./ctdb && make all", "text/plain"),
  64                      ("ctdb-install", "cd ./ctdb && make install", "text/plain"),
  65                      ("ctdb-header-ls", "ls ${PREFIX_DIR}/include/ctdb.h", "text/plain"),
  66
  67                      # build samba with cluster support against this ctdb:
  68                      ("samba-configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=${PREFIX_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH} ./configure.developer ${PREFIX} ${PERL_VENDOR_LIB} --with-selftest-prefix=./bin/ab --with-cluster-support --with-ctdb-dir=${PREFIX_DIR} --bundled-libraries=!tdb", "text/plain"),
  69                      ("samba-make", "make", "text/plain"),
  70                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  71                      ("samba-install", "make install", "text/plain"),
  72
  73                      # clean up:
  74                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  75                      ("clean", "make clean", "text/plain"),
  76                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
  77
  78     "samba-libs" : [
  79                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  80                       ("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 ${PREFIX}", "text/plain"),
  81                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
  82                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
  83
  84                       ("tdb-configure", "cd lib/tdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  85                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
  86                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  87
  88                       ("ntdb-configure", "cd lib/ntdb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  89                       ("ntdb-make", "cd lib/ntdb && make", "text/plain"),
  90                       ("ntdb-install", "cd lib/ntdb && make install", "text/plain"),
  91
  92                       ("tevent-configure", "cd lib/tevent && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  93                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
  94                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
  95
  96                       ("ldb-configure", "cd lib/ldb && PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig ./configure --bundled-libraries=NONE --abi-check --enable-debug -C ${PREFIX}", "text/plain"),
  97                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
  98                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
  99
 100                       ("configure", "PYTHONPATH=${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"),
 101                       ("make", "make", "text/plain"),
 102                       ("install", "make install", "text/plain"),
 103                       ("dist", "make dist", "text/plain")],
 104
 105     "ldb" : [
 106               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 107               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 108               ("make", "make", "text/plain"),
 109               ("install", "make install", "text/plain"),
 110               ("test", "make test", "text/plain"),
 111               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 112               ("distcheck", "make distcheck", "text/plain"),
 113               ("clean", "make clean", "text/plain") ],
 114
 115     "tdb" : [
 116               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 117               ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 118               ("make", "make", "text/plain"),
 119               ("install", "make install", "text/plain"),
 120               ("test", "make test", "text/plain"),
 121               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 122               ("distcheck", "make distcheck", "text/plain"),
 123               ("clean", "make clean", "text/plain") ],
 124
 125     "ntdb" : [
 126                ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 127                ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 128                ("make", "make", "text/plain"),
 129                ("install", "make install", "text/plain"),
 130                ("test", "make test", "text/plain"),
 131                ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 132                ("distcheck", "make distcheck", "text/plain"),
 133                ("clean", "make clean", "text/plain") ],
 134
 135     "talloc" : [
 136                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 137                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 138                  ("make", "make", "text/plain"),
 139                  ("install", "make install", "text/plain"),
 140                  ("test", "make test", "text/plain"),
 141                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 142                  ("distcheck", "make distcheck", "text/plain"),
 143                  ("clean", "make clean", "text/plain") ],
 144
 145     "replace" : [
 146                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 147                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 148                   ("make", "make", "text/plain"),
 149                   ("install", "make install", "text/plain"),
 150                   ("test", "make test", "text/plain"),
 151                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 152                   ("distcheck", "make distcheck", "text/plain"),
 153                   ("clean", "make clean", "text/plain") ],
 154
 155     "tevent" : [
 156                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 157                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 158                  ("make", "make", "text/plain"),
 159                  ("install", "make install", "text/plain"),
 160                  ("test", "make test", "text/plain"),
 161                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 162                  ("distcheck", "make distcheck", "text/plain"),
 163                  ("clean", "make clean", "text/plain") ],
 164
 165     "pidl" : [
 166                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 167                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 168                ("touch", "touch *.yp", "text/plain"),
 169                ("make", "make", "text/plain"),
 170                ("test", "make test", "text/plain"),
 171                ("install", "make install", "text/plain"),
 172                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 173                ("clean", "make clean", "text/plain") ],
 174
 175     # these are useful for debugging autobuild
 176     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 177     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 178 }
 179
 180 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 181     if show is None:
 182         show = options.verbose
 183     if show:
 184         print("Running: '%s' in '%s'" % (cmd, dir))
 185     if output:
 186         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 187     elif checkfail:
 188         return check_call(cmd, shell=True, cwd=dir)
 189     else:
 190         return call(cmd, shell=True, cwd=dir)
 191
 192
 193 class builder(object):
 194     '''handle build of one directory'''
 195
 196     def __init__(self, name, sequence):
 197         self.name = name
 198         self.dir = builddirs[name]
 199
 200         self.tag = self.name.replace('/', '_')
 201         self.sequence = sequence
 202         self.next = 0
 203         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 204         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 205         if options.verbose:
 206             print("stdout for %s in %s" % (self.name, self.stdout_path))
 207             print("stderr for %s in %s" % (self.name, self.stderr_path))
 208         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 209         self.stdout = open(self.stdout_path, 'w')
 210         self.stderr = open(self.stderr_path, 'w')
 211         self.stdin  = open("/dev/null", 'r')
 212         self.sdir = "%s/%s" % (testbase, self.tag)
 213         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 214         run_cmd("rm -rf %s" % self.sdir)
 215         cleanup_list.append(self.sdir)
 216         cleanup_list.append(self.prefix)
 217         os.makedirs(self.sdir)
 218         run_cmd("rm -rf %s" % self.sdir)
 219         run_cmd("git clone --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 220         self.start_next()
 221
 222     def start_next(self):
 223         if self.next == len(self.sequence):
 224             print '%s: Completed OK' % self.name
 225             self.done = True
 226             return
 227         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 228         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 229         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 230         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 231         perl_vendor_lib = "--with-perl-arch-install-dir=%s/share/perl5 " % self.prefix
 232         perl_vendor_lib += "--with-perl-lib-install-dir=%s/lib/perl5" % self.prefix
 233         self.cmd = self.cmd.replace("${PERL_VENDOR_LIB}", perl_vendor_lib)
 234 #        if self.output_mime_type == "text/x-subunit":
 235 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 236         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 237         cwd = os.getcwd()
 238         os.chdir("%s/%s" % (self.sdir, self.dir))
 239         self.proc = Popen(self.cmd, shell=True,
 240                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 241         os.chdir(cwd)
 242         self.next += 1
 243
 244
 245 class buildlist(object):
 246     '''handle build of multiple directories'''
 247
 248     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 249         global tasks
 250         self.tlist = []
 251         self.tail_proc = None
 252         self.retry = None
 253         if tasknames == []:
 254             tasknames = defaulttasks
 255         for n in tasknames:
 256             b = builder(n, tasks[n])
 257             self.tlist.append(b)
 258         if options.retry:
 259             rebase_remote = "rebaseon"
 260             retry_task = [ ("retry",
 261                             '''set -e
 262                             git remote add -t %s %s %s
 263                             git fetch %s
 264                             while :; do
 265                               sleep 60
 266                               git describe %s/%s > old_remote_branch.desc
 267                               git fetch %s
 268                               git describe %s/%s > remote_branch.desc
 269                               diff old_remote_branch.desc remote_branch.desc
 270                             done
 271                            ''' % (
 272                                rebase_branch, rebase_remote, rebase_url,
 273                                rebase_remote,
 274                                rebase_remote, rebase_branch,
 275                                rebase_remote,
 276                                rebase_remote, rebase_branch
 277                            ),
 278                            "test/plain" ) ]
 279
 280             self.retry = builder('retry', retry_task)
 281             self.need_retry = False
 282
 283     def kill_kids(self):
 284         if self.tail_proc is not None:
 285             self.tail_proc.terminate()
 286             self.tail_proc.wait()
 287             self.tail_proc = None
 288         if self.retry is not None:
 289             self.retry.proc.terminate()
 290             self.retry.proc.wait()
 291             self.retry = None
 292         for b in self.tlist:
 293             if b.proc is not None:
 294                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 295                 b.proc.terminate()
 296                 b.proc.wait()
 297                 b.proc = None
 298
 299     def wait_one(self):
 300         while True:
 301             none_running = True
 302             for b in self.tlist:
 303                 if b.proc is None:
 304                     continue
 305                 none_running = False
 306                 b.status = b.proc.poll()
 307                 if b.status is None:
 308                     continue
 309                 b.proc = None
 310                 return b
 311             if options.retry:
 312                 ret = self.retry.proc.poll()
 313                 if ret is not None:
 314                     self.need_retry = True
 315                     self.retry = None
 316                     return None
 317             if none_running:
 318                 return None
 319             time.sleep(0.1)
 320
 321     def run(self):
 322         while True:
 323             b = self.wait_one()
 324             if options.retry and self.need_retry:
 325                 self.kill_kids()
 326                 print("retry needed")
 327                 return (0, None, None, None, "retry")
 328             if b is None:
 329                 break
 330             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 331                 self.kill_kids()
 332                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 333             b.start_next()
 334         self.kill_kids()
 335         return (0, None, None, None, "All OK")
 336
 337     def tarlogs(self, fname):
 338         tar = tarfile.open(fname, "w:gz")
 339         for b in self.tlist:
 340             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 341             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 342         if os.path.exists("autobuild.log"):
 343             tar.add("autobuild.log")
 344         tar.close()
 345
 346     def remove_logs(self):
 347         for b in self.tlist:
 348             os.unlink(b.stdout_path)
 349             os.unlink(b.stderr_path)
 350
 351     def start_tail(self):
 352         cwd = os.getcwd()
 353         cmd = "tail -f *.stdout *.stderr"
 354         os.chdir(gitroot)
 355         self.tail_proc = Popen(cmd, shell=True)
 356         os.chdir(cwd)
 357
 358
 359 def cleanup():
 360     if options.nocleanup:
 361         return
 362     print("Cleaning up ....")
 363     for d in cleanup_list:
 364         run_cmd("rm -rf %s" % d)
 365
 366
 367 def find_git_root():
 368     '''get to the top of the git repo'''
 369     p=os.getcwd()
 370     while p != '/':
 371         if os.path.isdir(os.path.join(p, ".git")):
 372             return p
 373         p = os.path.abspath(os.path.join(p, '..'))
 374     return None
 375
 376
 377 def daemonize(logfile):
 378     pid = os.fork()
 379     if pid == 0: # Parent
 380         os.setsid()
 381         pid = os.fork()
 382         if pid != 0: # Actual daemon
 383             os._exit(0)
 384     else: # Grandparent
 385         os._exit(0)
 386
 387     import resource      # Resource usage information.
 388     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 389     if maxfd == resource.RLIM_INFINITY:
 390         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 391     for fd in range(0, maxfd):
 392         try:
 393             os.close(fd)
 394         except OSError:
 395             pass
 396     os.open(logfile, os.O_RDWR | os.O_CREAT)
 397     os.dup2(0, 1)
 398     os.dup2(0, 2)
 399
 400 def write_pidfile(fname):
 401     '''write a pid file, cleanup on exit'''
 402     f = open(fname, mode='w')
 403     f.write("%u\n" % os.getpid())
 404     f.close()
 405
 406
 407 def rebase_tree(rebase_url, rebase_branch = "master"):
 408     rebase_remote = "rebaseon"
 409     print("Rebasing on %s" % rebase_url)
 410     run_cmd("git describe HEAD", show=True, dir=test_master)
 411     run_cmd("git remote add -t %s %s %s" %
 412             (rebase_branch, rebase_remote, rebase_url),
 413             show=True, dir=test_master)
 414     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 415     if options.fix_whitespace:
 416         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 417                 (rebase_remote, rebase_branch),
 418                 show=True, dir=test_master)
 419     else:
 420         run_cmd("git rebase --force-rebase %s/%s" %
 421                 (rebase_remote, rebase_branch),
 422                 show=True, dir=test_master)
 423     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 424                    (rebase_remote, rebase_branch),
 425                    dir=test_master, output=True)
 426     if diff == '':
 427         print("No differences between HEAD and %s/%s - exiting" %
 428               (rebase_remote, rebase_branch))
 429         sys.exit(0)
 430     run_cmd("git describe %s/%s" %
 431             (rebase_remote, rebase_branch),
 432             show=True, dir=test_master)
 433     run_cmd("git describe HEAD", show=True, dir=test_master)
 434     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 435             (rebase_remote, rebase_branch),
 436             show=True, dir=test_master)
 437
 438 def push_to(push_url, push_branch = "master"):
 439     push_remote = "pushto"
 440     print("Pushing to %s" % push_url)
 441     if options.mark:
 442         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 443         run_cmd("git commit --amend -c HEAD", dir=test_master)
 444         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 445         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 446     run_cmd("git remote add -t %s %s %s" %
 447             (push_branch, push_remote, push_url),
 448             show=True, dir=test_master)
 449     run_cmd("git push %s +HEAD:%s" %
 450             (push_remote, push_branch),
 451             show=True, dir=test_master)
 452
 453 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 454
 455 gitroot = find_git_root()
 456 if gitroot is None:
 457     raise Exception("Failed to find git root")
 458
 459 parser = OptionParser()
 460 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 461 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 462 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 463 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 464                   default=def_testbase)
 465 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 466 parser.add_option("", "--verbose", help="show all commands as they are run",
 467                   default=False, action="store_true")
 468 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 469                   default=None, type='str')
 470 parser.add_option("", "--pushto", help="push to a git url on success",
 471                   default=None, type='str')
 472 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 473                   default=False, action="store_true")
 474 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 475                   default=False, action="store_true")
 476 parser.add_option("", "--retry", help="automatically retry if master changes",
 477                   default=False, action="store_true")
 478 parser.add_option("", "--email", help="send email to the given address on failure",
 479                   type='str', default=None)
 480 parser.add_option("", "--always-email", help="always send email, even on success",
 481                   action="store_true")
 482 parser.add_option("", "--daemon", help="daemonize after initial setup",
 483                   action="store_true")
 484 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 485                   default="master", type='str')
 486 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 487                   default=gitroot, type='str')
 488
 489 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 490     '''send an email to options.email about the failure'''
 491     user = os.getenv("USER")
 492     if log_base is None:
 493         log_base = gitroot
 494     text = '''
 495 Dear Developer,
 496
 497 Your autobuild failed when trying to test %s with the following error:
 498    %s
 499
 500 the autobuild has been abandoned. Please fix the error and resubmit.
 501
 502 A summary of the autobuild process is here:
 503
 504   %s/autobuild.log
 505 ''' % (failed_task, errstr, log_base)
 506
 507     if failed_task != 'rebase':
 508         text += '''
 509 You can see logs of the failed task here:
 510
 511   %s/%s.stdout
 512   %s/%s.stderr
 513
 514 or you can get full logs of all tasks in this job here:
 515
 516   %s/logs.tar.gz
 517
 518 The top commit for the tree that was built was:
 519
 520 %s
 521
 522 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 523     msg = MIMEText(text)
 524     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 525     msg['From'] = 'autobuild@samba.org'
 526     msg['To'] = options.email
 527
 528     s = smtplib.SMTP()
 529     s.connect()
 530     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 531     s.quit()
 532
 533 def email_success(log_base=None):
 534     '''send an email to options.email about a successful build'''
 535     user = os.getenv("USER")
 536     if log_base is None:
 537         log_base = gitroot
 538     text = '''
 539 Dear Developer,
 540
 541 Your autobuild has succeeded.
 542
 543 '''
 544
 545     if options.keeplogs:
 546         text += '''
 547
 548 you can get full logs of all tasks in this job here:
 549
 550   %s/logs.tar.gz
 551
 552 ''' % log_base
 553
 554     text += '''
 555 The top commit for the tree that was built was:
 556
 557 %s
 558 ''' % top_commit_msg
 559
 560     msg = MIMEText(text)
 561     msg['Subject'] = 'autobuild success'
 562     msg['From'] = 'autobuild@samba.org'
 563     msg['To'] = options.email
 564
 565     s = smtplib.SMTP()
 566     s.connect()
 567     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 568     s.quit()
 569
 570
 571 (options, args) = parser.parse_args()
 572
 573 if options.retry:
 574     if options.rebase is None:
 575         raise Exception('You can only use --retry if you also rebase')
 576
 577 testbase = "%s/b%u" % (options.testbase, os.getpid())
 578 test_master = "%s/master" % testbase
 579
 580 # get the top commit message, for emails
 581 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 582
 583 try:
 584     os.makedirs(testbase)
 585 except Exception, reason:
 586     raise Exception("Unable to create %s : %s" % (testbase, reason))
 587 cleanup_list.append(testbase)
 588
 589 if options.daemon:
 590     logfile = os.path.join(testbase, "log")
 591     print "Forking into the background, writing progress to %s" % logfile
 592     daemonize(logfile)
 593
 594 write_pidfile(gitroot + "/autobuild.pid")
 595
 596 while True:
 597     try:
 598         run_cmd("rm -rf %s" % test_master)
 599         cleanup_list.append(test_master)
 600         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 601     except Exception:
 602         cleanup()
 603         raise
 604
 605     try:
 606         try:
 607             if options.rebase is not None:
 608                 rebase_tree(options.rebase, rebase_branch=options.branch)
 609         except Exception:
 610             cleanup_list.append(gitroot + "/autobuild.pid")
 611             cleanup()
 612             email_failure(-1, 'rebase', 'rebase', 'rebase',
 613                           'rebase on %s failed' % options.branch,
 614                           log_base=options.log_base)
 615             sys.exit(1)
 616         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 617         if options.tail:
 618             blist.start_tail()
 619         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 620         if status != 0 or errstr != "retry":
 621             break
 622         cleanup()
 623     except Exception:
 624         cleanup()
 625         raise
 626
 627 cleanup_list.append(gitroot + "/autobuild.pid")
 628
 629 blist.kill_kids()
 630 if options.tail:
 631     print("waiting for tail to flush")
 632     time.sleep(1)
 633
 634 if status == 0:
 635     print errstr
 636     if options.passcmd is not None:
 637         print("Running passcmd: %s" % options.passcmd)
 638         run_cmd(options.passcmd, dir=test_master)
 639     if options.pushto is not None:
 640         push_to(options.pushto, push_branch=options.branch)
 641     if options.keeplogs:
 642         blist.tarlogs("logs.tar.gz")
 643         print("Logs in logs.tar.gz")
 644     if options.always_email:
 645         email_success(log_base=options.log_base)
 646     blist.remove_logs()
 647     cleanup()
 648     print(errstr)
 649     sys.exit(0)
 650
 651 # something failed, gather a tar of the logs
 652 blist.tarlogs("logs.tar.gz")
 653
 654 if options.email is not None:
 655     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 656
 657 cleanup()
 658 print(errstr)
 659 print("Logs in logs.tar.gz")
 660 sys.exit(status)