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 ${PREFIX}", "text/plain"),
  58                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  59                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  60
  61                      # build and install ctdb:
  62                      ("ctdb-configure", "cd ./ctdb && PKG_CONFIG_PATH=${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 ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --with-ctdb-dir=${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}", "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 #        if self.output_mime_type == "text/x-subunit":
 232 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 233         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 234         cwd = os.getcwd()
 235         os.chdir("%s/%s" % (self.sdir, self.dir))
 236         self.proc = Popen(self.cmd, shell=True,
 237                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 238         os.chdir(cwd)
 239         self.next += 1
 240
 241
 242 class buildlist(object):
 243     '''handle build of multiple directories'''
 244
 245     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 246         global tasks
 247         self.tlist = []
 248         self.tail_proc = None
 249         self.retry = None
 250         if tasknames == []:
 251             tasknames = defaulttasks
 252         for n in tasknames:
 253             b = builder(n, tasks[n])
 254             self.tlist.append(b)
 255         if options.retry:
 256             rebase_remote = "rebaseon"
 257             retry_task = [ ("retry",
 258                             '''set -e
 259                             git remote add -t %s %s %s
 260                             git fetch %s
 261                             while :; do
 262                               sleep 60
 263                               git describe %s/%s > old_remote_branch.desc
 264                               git fetch %s
 265                               git describe %s/%s > remote_branch.desc
 266                               diff old_remote_branch.desc remote_branch.desc
 267                             done
 268                            ''' % (
 269                                rebase_branch, rebase_remote, rebase_url,
 270                                rebase_remote,
 271                                rebase_remote, rebase_branch,
 272                                rebase_remote,
 273                                rebase_remote, rebase_branch
 274                            ),
 275                            "test/plain" ) ]
 276
 277             self.retry = builder('retry', retry_task)
 278             self.need_retry = False
 279
 280     def kill_kids(self):
 281         if self.tail_proc is not None:
 282             self.tail_proc.terminate()
 283             self.tail_proc.wait()
 284             self.tail_proc = None
 285         if self.retry is not None:
 286             self.retry.proc.terminate()
 287             self.retry.proc.wait()
 288             self.retry = None
 289         for b in self.tlist:
 290             if b.proc is not None:
 291                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 292                 b.proc.terminate()
 293                 b.proc.wait()
 294                 b.proc = None
 295
 296     def wait_one(self):
 297         while True:
 298             none_running = True
 299             for b in self.tlist:
 300                 if b.proc is None:
 301                     continue
 302                 none_running = False
 303                 b.status = b.proc.poll()
 304                 if b.status is None:
 305                     continue
 306                 b.proc = None
 307                 return b
 308             if options.retry:
 309                 ret = self.retry.proc.poll()
 310                 if ret is not None:
 311                     self.need_retry = True
 312                     self.retry = None
 313                     return None
 314             if none_running:
 315                 return None
 316             time.sleep(0.1)
 317
 318     def run(self):
 319         while True:
 320             b = self.wait_one()
 321             if options.retry and self.need_retry:
 322                 self.kill_kids()
 323                 print("retry needed")
 324                 return (0, None, None, None, "retry")
 325             if b is None:
 326                 break
 327             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 328                 self.kill_kids()
 329                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 330             b.start_next()
 331         self.kill_kids()
 332         return (0, None, None, None, "All OK")
 333
 334     def tarlogs(self, fname):
 335         tar = tarfile.open(fname, "w:gz")
 336         for b in self.tlist:
 337             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 338             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 339         if os.path.exists("autobuild.log"):
 340             tar.add("autobuild.log")
 341         tar.close()
 342
 343     def remove_logs(self):
 344         for b in self.tlist:
 345             os.unlink(b.stdout_path)
 346             os.unlink(b.stderr_path)
 347
 348     def start_tail(self):
 349         cwd = os.getcwd()
 350         cmd = "tail -f *.stdout *.stderr"
 351         os.chdir(gitroot)
 352         self.tail_proc = Popen(cmd, shell=True)
 353         os.chdir(cwd)
 354
 355
 356 def cleanup():
 357     if options.nocleanup:
 358         return
 359     print("Cleaning up ....")
 360     for d in cleanup_list:
 361         run_cmd("rm -rf %s" % d)
 362
 363
 364 def find_git_root():
 365     '''get to the top of the git repo'''
 366     p=os.getcwd()
 367     while p != '/':
 368         if os.path.isdir(os.path.join(p, ".git")):
 369             return p
 370         p = os.path.abspath(os.path.join(p, '..'))
 371     return None
 372
 373
 374 def daemonize(logfile):
 375     pid = os.fork()
 376     if pid == 0: # Parent
 377         os.setsid()
 378         pid = os.fork()
 379         if pid != 0: # Actual daemon
 380             os._exit(0)
 381     else: # Grandparent
 382         os._exit(0)
 383
 384     import resource      # Resource usage information.
 385     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 386     if maxfd == resource.RLIM_INFINITY:
 387         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 388     for fd in range(0, maxfd):
 389         try:
 390             os.close(fd)
 391         except OSError:
 392             pass
 393     os.open(logfile, os.O_RDWR | os.O_CREAT)
 394     os.dup2(0, 1)
 395     os.dup2(0, 2)
 396
 397 def write_pidfile(fname):
 398     '''write a pid file, cleanup on exit'''
 399     f = open(fname, mode='w')
 400     f.write("%u\n" % os.getpid())
 401     f.close()
 402
 403
 404 def rebase_tree(rebase_url, rebase_branch = "master"):
 405     rebase_remote = "rebaseon"
 406     print("Rebasing on %s" % rebase_url)
 407     run_cmd("git describe HEAD", show=True, dir=test_master)
 408     run_cmd("git remote add -t %s %s %s" %
 409             (rebase_branch, rebase_remote, rebase_url),
 410             show=True, dir=test_master)
 411     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 412     if options.fix_whitespace:
 413         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 414                 (rebase_remote, rebase_branch),
 415                 show=True, dir=test_master)
 416     else:
 417         run_cmd("git rebase --force-rebase %s/%s" %
 418                 (rebase_remote, rebase_branch),
 419                 show=True, dir=test_master)
 420     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 421                    (rebase_remote, rebase_branch),
 422                    dir=test_master, output=True)
 423     if diff == '':
 424         print("No differences between HEAD and %s/%s - exiting" %
 425               (rebase_remote, rebase_branch))
 426         sys.exit(0)
 427     run_cmd("git describe %s/%s" %
 428             (rebase_remote, rebase_branch),
 429             show=True, dir=test_master)
 430     run_cmd("git describe HEAD", show=True, dir=test_master)
 431     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 432             (rebase_remote, rebase_branch),
 433             show=True, dir=test_master)
 434
 435 def push_to(push_url, push_branch = "master"):
 436     push_remote = "pushto"
 437     print("Pushing to %s" % push_url)
 438     if options.mark:
 439         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 440         run_cmd("git commit --amend -c HEAD", dir=test_master)
 441         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 442         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 443     run_cmd("git remote add -t %s %s %s" %
 444             (push_branch, push_remote, push_url),
 445             show=True, dir=test_master)
 446     run_cmd("git push %s +HEAD:%s" %
 447             (push_remote, push_branch),
 448             show=True, dir=test_master)
 449
 450 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 451
 452 gitroot = find_git_root()
 453 if gitroot is None:
 454     raise Exception("Failed to find git root")
 455
 456 parser = OptionParser()
 457 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 458 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 459 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 460 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 461                   default=def_testbase)
 462 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 463 parser.add_option("", "--verbose", help="show all commands as they are run",
 464                   default=False, action="store_true")
 465 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 466                   default=None, type='str')
 467 parser.add_option("", "--pushto", help="push to a git url on success",
 468                   default=None, type='str')
 469 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 470                   default=False, action="store_true")
 471 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 472                   default=False, action="store_true")
 473 parser.add_option("", "--retry", help="automatically retry if master changes",
 474                   default=False, action="store_true")
 475 parser.add_option("", "--email", help="send email to the given address on failure",
 476                   type='str', default=None)
 477 parser.add_option("", "--always-email", help="always send email, even on success",
 478                   action="store_true")
 479 parser.add_option("", "--daemon", help="daemonize after initial setup",
 480                   action="store_true")
 481 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 482                   default="master", type='str')
 483 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 484                   default=gitroot, type='str')
 485
 486 def email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=None):
 487     '''send an email to options.email about the failure'''
 488     user = os.getenv("USER")
 489     if log_base is None:
 490         log_base = gitroot
 491     text = '''
 492 Dear Developer,
 493
 494 Your autobuild failed when trying to test %s with the following error:
 495    %s
 496
 497 the autobuild has been abandoned. Please fix the error and resubmit.
 498
 499 A summary of the autobuild process is here:
 500
 501   %s/autobuild.log
 502 ''' % (failed_task, errstr, log_base)
 503
 504     if failed_task != 'rebase':
 505         text += '''
 506 You can see logs of the failed task here:
 507
 508   %s/%s.stdout
 509   %s/%s.stderr
 510
 511 or you can get full logs of all tasks in this job here:
 512
 513   %s/logs.tar.gz
 514
 515 The top commit for the tree that was built was:
 516
 517 %s
 518
 519 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 520     msg = MIMEText(text)
 521     msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
 522     msg['From'] = 'autobuild@samba.org'
 523     msg['To'] = options.email
 524
 525     s = smtplib.SMTP()
 526     s.connect()
 527     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 528     s.quit()
 529
 530 def email_success(log_base=None):
 531     '''send an email to options.email about a successful build'''
 532     user = os.getenv("USER")
 533     if log_base is None:
 534         log_base = gitroot
 535     text = '''
 536 Dear Developer,
 537
 538 Your autobuild has succeeded.
 539
 540 '''
 541
 542     if options.keeplogs:
 543         text += '''
 544
 545 you can get full logs of all tasks in this job here:
 546
 547   %s/logs.tar.gz
 548
 549 ''' % log_base
 550
 551     text += '''
 552 The top commit for the tree that was built was:
 553
 554 %s
 555 ''' % top_commit_msg
 556
 557     msg = MIMEText(text)
 558     msg['Subject'] = 'autobuild success'
 559     msg['From'] = 'autobuild@samba.org'
 560     msg['To'] = options.email
 561
 562     s = smtplib.SMTP()
 563     s.connect()
 564     s.sendmail(msg['From'], [msg['To']], msg.as_string())
 565     s.quit()
 566
 567
 568 (options, args) = parser.parse_args()
 569
 570 if options.retry:
 571     if options.rebase is None:
 572         raise Exception('You can only use --retry if you also rebase')
 573
 574 testbase = "%s/b%u" % (options.testbase, os.getpid())
 575 test_master = "%s/master" % testbase
 576
 577 # get the top commit message, for emails
 578 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 579
 580 try:
 581     os.makedirs(testbase)
 582 except Exception, reason:
 583     raise Exception("Unable to create %s : %s" % (testbase, reason))
 584 cleanup_list.append(testbase)
 585
 586 if options.daemon:
 587     logfile = os.path.join(testbase, "log")
 588     print "Forking into the background, writing progress to %s" % logfile
 589     daemonize(logfile)
 590
 591 write_pidfile(gitroot + "/autobuild.pid")
 592
 593 while True:
 594     try:
 595         run_cmd("rm -rf %s" % test_master)
 596         cleanup_list.append(test_master)
 597         run_cmd("git clone --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 598     except Exception:
 599         cleanup()
 600         raise
 601
 602     try:
 603         try:
 604             if options.rebase is not None:
 605                 rebase_tree(options.rebase, rebase_branch=options.branch)
 606         except Exception:
 607             cleanup_list.append(gitroot + "/autobuild.pid")
 608             cleanup()
 609             email_failure(-1, 'rebase', 'rebase', 'rebase',
 610                           'rebase on %s failed' % options.branch,
 611                           log_base=options.log_base)
 612             sys.exit(1)
 613         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 614         if options.tail:
 615             blist.start_tail()
 616         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 617         if status != 0 or errstr != "retry":
 618             break
 619         cleanup()
 620     except Exception:
 621         cleanup()
 622         raise
 623
 624 cleanup_list.append(gitroot + "/autobuild.pid")
 625
 626 blist.kill_kids()
 627 if options.tail:
 628     print("waiting for tail to flush")
 629     time.sleep(1)
 630
 631 if status == 0:
 632     print errstr
 633     if options.passcmd is not None:
 634         print("Running passcmd: %s" % options.passcmd)
 635         run_cmd(options.passcmd, dir=test_master)
 636     if options.pushto is not None:
 637         push_to(options.pushto, push_branch=options.branch)
 638     if options.keeplogs:
 639         blist.tarlogs("logs.tar.gz")
 640         print("Logs in logs.tar.gz")
 641     if options.always_email:
 642         email_success(log_base=options.log_base)
 643     blist.remove_logs()
 644     cleanup()
 645     print(errstr)
 646     sys.exit(0)
 647
 648 # something failed, gather a tar of the logs
 649 blist.tarlogs("logs.tar.gz")
 650
 651 if options.email is not None:
 652     email_failure(status, failed_task, failed_stage, failed_tag, errstr, log_base=options.log_base)
 653
 654 cleanup()
 655 print(errstr)
 656 print("Logs in logs.tar.gz")
 657 sys.exit(status)