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 import email
  11 from email.mime.text import MIMEText
  12 from email.mime.base import MIMEBase
  13 from email.mime.application import MIMEApplication
  14 from email.mime.multipart import MIMEMultipart
  15 from distutils.sysconfig import get_python_lib
  16 import platform
  17
  18 # This speeds up testing remarkably.
  19 os.environ['TDB_NO_FSYNC'] = '1'
  20
  21 cleanup_list = []
  22
  23 builddirs = {
  24     "ctdb"    : "ctdb",
  25     "samba"  : ".",
  26     "samba-xc" : ".",
  27     "samba-ctdb" : ".",
  28     "samba-libs"  : ".",
  29     "samba-static"  : ".",
  30     "ldb"     : "lib/ldb",
  31     "tdb"     : "lib/tdb",
  32     "talloc"  : "lib/talloc",
  33     "replace" : "lib/replace",
  34     "tevent"  : "lib/tevent",
  35     "pidl"    : "pidl",
  36     "pass"    : ".",
  37     "fail"    : ".",
  38     "retry"   : "."
  39     }
  40
  41 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-ctdb", "samba-libs", "samba-static", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  42
  43 samba_configure_params = " --picky-developer ${PREFIX} --with-profiling-data"
  44
  45 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  46 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  47 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  48 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX}"
  49 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  50 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  51
  52 tasks = {
  53     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  54                ("configure", "./configure ${PREFIX}", "text/plain"),
  55                ("make", "make all", "text/plain"),
  56                ("install", "make install", "text/plain"),
  57                ("test", "make autotest", "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 --with-selftest-prefix=./bin/ab" + samba_configure_params, "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     # Test cross-compile infrastructure
  70     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  71                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  72                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  73                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  74                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  75                    ("compare-results", "script/compare_cc_results.py ./bin/c4che/default.cache.py ./bin-xe/c4che/default.cache.py ./bin-xa/c4che/default.cache.py", "text/plain")],
  76
  77
  78     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  79
  80                      # make sure we have tdb around:
  81                      ("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 ${PREFIX}", "text/plain"),
  82                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  83                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  84
  85
  86                      # build samba with cluster support (also building ctdb):
  87                      ("samba-configure", "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH PKG_CONFIG_PATH=${PREFIX_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH} ./configure.developer --picky-developer ${PREFIX} --with-selftest-prefix=./bin/ab --with-cluster-support --bundled-libraries=!tdb", "text/plain"),
  88                      ("samba-make", "make", "text/plain"),
  89                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
  90                      ("samba-install", "make install", "text/plain"),
  91                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
  92
  93                      # clean up:
  94                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  95                      ("clean", "make clean", "text/plain"),
  96                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
  97
  98     "samba-libs" : [
  99                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 100                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 101                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 102                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 103
 104                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 105                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 106                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 107
 108                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 109                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 110                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 111
 112                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 113                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 114                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 115
 116                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 117                       ("nondevel-make", "make -j", "text/plain"),
 118                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 119                       ("nondevel-install", "make install", "text/plain"),
 120                       ("nondevel-dist", "make dist", "text/plain"),
 121
 122                       # retry with all modules shared
 123                       ("allshared-distclean", "make distclean", "text/plain"),
 124                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 125                       ("allshared-make", "make", "text/plain")],
 126
 127     "samba-static" : [
 128                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 129                       # build with all modules static
 130                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 131                       ("allstatic-make", "make", "text/plain"),
 132
 133                       # retry without any required modules
 134                       ("none-distclean", "make distclean", "text/plain"),
 135                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 136                       ("none-make", "make", "text/plain"),
 137
 138                       # retry with nonshared smbd and smbtorture
 139                       ("nonshared-distclean", "make distclean", "text/plain"),
 140                       ("nonshared-configure", "./configure.developer " + samba_configure_params + " --bundled-libraries=talloc,tdb,pytdb,ldb,pyldb,tevent,pytevent --with-static-modules=ALL --nonshared-binary=smbtorture,smbd/smbd", "text/plain"),
 141                       ("nonshared-make", "make", "text/plain")],
 142
 143     "ldb" : [
 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     "tdb" : [
 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     "talloc" : [
 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     "replace" : [
 174                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 175                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 176                   ("make", "make", "text/plain"),
 177                   ("install", "make install", "text/plain"),
 178                   ("test", "make test", "text/plain"),
 179                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 180                   ("distcheck", "make distcheck", "text/plain"),
 181                   ("clean", "make clean", "text/plain") ],
 182
 183     "tevent" : [
 184                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 185                  ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 186                  ("make", "make", "text/plain"),
 187                  ("install", "make install", "text/plain"),
 188                  ("test", "make test", "text/plain"),
 189                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 190                  ("distcheck", "make distcheck", "text/plain"),
 191                  ("clean", "make clean", "text/plain") ],
 192
 193     "pidl" : [
 194                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 195                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 196                ("touch", "touch *.yp", "text/plain"),
 197                ("make", "make", "text/plain"),
 198                ("test", "make test", "text/plain"),
 199                ("install", "make install", "text/plain"),
 200                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 201                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 202                ("clean", "make clean", "text/plain") ],
 203
 204     # these are useful for debugging autobuild
 205     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 206     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 207 }
 208
 209 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 210     if show is None:
 211         show = options.verbose
 212     if show:
 213         print("Running: '%s' in '%s'" % (cmd, dir))
 214     if output:
 215         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 216     elif checkfail:
 217         return check_call(cmd, shell=True, cwd=dir)
 218     else:
 219         return call(cmd, shell=True, cwd=dir)
 220
 221
 222 class builder(object):
 223     '''handle build of one directory'''
 224
 225     def __init__(self, name, sequence, cp=True):
 226         self.name = name
 227         self.dir = builddirs[name]
 228
 229         self.tag = self.name.replace('/', '_')
 230         self.sequence = sequence
 231         self.next = 0
 232         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 233         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 234         if options.verbose:
 235             print("stdout for %s in %s" % (self.name, self.stdout_path))
 236             print("stderr for %s in %s" % (self.name, self.stderr_path))
 237         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 238         self.stdout = open(self.stdout_path, 'w')
 239         self.stderr = open(self.stderr_path, 'w')
 240         self.stdin  = open("/dev/null", 'r')
 241         self.sdir = "%s/%s" % (testbase, self.tag)
 242         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 243         run_cmd("rm -rf %s" % self.sdir)
 244         cleanup_list.append(self.sdir)
 245         cleanup_list.append(self.prefix)
 246         os.makedirs(self.sdir)
 247         run_cmd("rm -rf %s" % self.sdir)
 248         if cp:
 249             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 250         else:
 251             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 252         self.start_next()
 253
 254     def start_next(self):
 255         if self.next == len(self.sequence):
 256             print '%s: Completed OK' % self.name
 257             self.done = True
 258             return
 259         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 260         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 261         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 262         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 263 #        if self.output_mime_type == "text/x-subunit":
 264 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 265         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 266         cwd = os.getcwd()
 267         os.chdir("%s/%s" % (self.sdir, self.dir))
 268         self.proc = Popen(self.cmd, shell=True,
 269                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 270         os.chdir(cwd)
 271         self.next += 1
 272
 273
 274 class buildlist(object):
 275     '''handle build of multiple directories'''
 276
 277     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 278         global tasks
 279         self.tlist = []
 280         self.tail_proc = None
 281         self.retry = None
 282         if tasknames == []:
 283             tasknames = defaulttasks
 284         else:
 285             # If we are only running one test,
 286             # do not sleep randomly to wait for it to start
 287             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 288
 289         for n in tasknames:
 290             b = builder(n, tasks[n], cp=n is not "pidl")
 291             self.tlist.append(b)
 292         if options.retry:
 293             rebase_remote = "rebaseon"
 294             retry_task = [ ("retry",
 295                             '''set -e
 296                             git remote add -t %s %s %s
 297                             git fetch %s
 298                             while :; do
 299                               sleep 60
 300                               git describe %s/%s > old_remote_branch.desc
 301                               git fetch %s
 302                               git describe %s/%s > remote_branch.desc
 303                               diff old_remote_branch.desc remote_branch.desc
 304                             done
 305                            ''' % (
 306                                rebase_branch, rebase_remote, rebase_url,
 307                                rebase_remote,
 308                                rebase_remote, rebase_branch,
 309                                rebase_remote,
 310                                rebase_remote, rebase_branch
 311                            ),
 312                            "test/plain" ) ]
 313
 314             self.retry = builder('retry', retry_task, cp=False)
 315             self.need_retry = False
 316
 317     def kill_kids(self):
 318         if self.tail_proc is not None:
 319             self.tail_proc.terminate()
 320             self.tail_proc.wait()
 321             self.tail_proc = None
 322         if self.retry is not None:
 323             self.retry.proc.terminate()
 324             self.retry.proc.wait()
 325             self.retry = None
 326         for b in self.tlist:
 327             if b.proc is not None:
 328                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 329                 b.proc.terminate()
 330                 b.proc.wait()
 331                 b.proc = None
 332
 333     def wait_one(self):
 334         while True:
 335             none_running = True
 336             for b in self.tlist:
 337                 if b.proc is None:
 338                     continue
 339                 none_running = False
 340                 b.status = b.proc.poll()
 341                 if b.status is None:
 342                     continue
 343                 b.proc = None
 344                 return b
 345             if options.retry:
 346                 ret = self.retry.proc.poll()
 347                 if ret is not None:
 348                     self.need_retry = True
 349                     self.retry = None
 350                     return None
 351             if none_running:
 352                 return None
 353             time.sleep(0.1)
 354
 355     def run(self):
 356         while True:
 357             b = self.wait_one()
 358             if options.retry and self.need_retry:
 359                 self.kill_kids()
 360                 print("retry needed")
 361                 return (0, None, None, None, "retry")
 362             if b is None:
 363                 break
 364             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 365                 self.kill_kids()
 366                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 367             b.start_next()
 368         self.kill_kids()
 369         return (0, None, None, None, "All OK")
 370
 371     def write_system_info(self):
 372         filename = 'system-info.txt'
 373         f = open(filename, 'w')
 374         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 375             print >>f, '### %s' % cmd
 376             print >>f, run_cmd(cmd, output=True, checkfail=False)
 377             print >>f
 378         f.close()
 379         return filename
 380
 381     def tarlogs(self, fname):
 382         tar = tarfile.open(fname, "w:gz")
 383         for b in self.tlist:
 384             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 385             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 386         if os.path.exists("autobuild.log"):
 387             tar.add("autobuild.log")
 388         sys_info = self.write_system_info()
 389         tar.add(sys_info)
 390         tar.close()
 391
 392     def remove_logs(self):
 393         for b in self.tlist:
 394             os.unlink(b.stdout_path)
 395             os.unlink(b.stderr_path)
 396
 397     def start_tail(self):
 398         cwd = os.getcwd()
 399         cmd = "tail -f *.stdout *.stderr"
 400         os.chdir(gitroot)
 401         self.tail_proc = Popen(cmd, shell=True)
 402         os.chdir(cwd)
 403
 404
 405 def cleanup():
 406     if options.nocleanup:
 407         return
 408     print("Cleaning up ....")
 409     for d in cleanup_list:
 410         run_cmd("rm -rf %s" % d)
 411
 412
 413 def find_git_root():
 414     '''get to the top of the git repo'''
 415     p=os.getcwd()
 416     while p != '/':
 417         if os.path.isdir(os.path.join(p, ".git")):
 418             return p
 419         p = os.path.abspath(os.path.join(p, '..'))
 420     return None
 421
 422
 423 def daemonize(logfile):
 424     pid = os.fork()
 425     if pid == 0: # Parent
 426         os.setsid()
 427         pid = os.fork()
 428         if pid != 0: # Actual daemon
 429             os._exit(0)
 430     else: # Grandparent
 431         os._exit(0)
 432
 433     import resource      # Resource usage information.
 434     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 435     if maxfd == resource.RLIM_INFINITY:
 436         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 437     for fd in range(0, maxfd):
 438         try:
 439             os.close(fd)
 440         except OSError:
 441             pass
 442     os.open(logfile, os.O_RDWR | os.O_CREAT)
 443     os.dup2(0, 1)
 444     os.dup2(0, 2)
 445
 446 def write_pidfile(fname):
 447     '''write a pid file, cleanup on exit'''
 448     f = open(fname, mode='w')
 449     f.write("%u\n" % os.getpid())
 450     f.close()
 451
 452
 453 def rebase_tree(rebase_url, rebase_branch = "master"):
 454     rebase_remote = "rebaseon"
 455     print("Rebasing on %s" % rebase_url)
 456     run_cmd("git describe HEAD", show=True, dir=test_master)
 457     run_cmd("git remote add -t %s %s %s" %
 458             (rebase_branch, rebase_remote, rebase_url),
 459             show=True, dir=test_master)
 460     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 461     if options.fix_whitespace:
 462         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 463                 (rebase_remote, rebase_branch),
 464                 show=True, dir=test_master)
 465     else:
 466         run_cmd("git rebase --force-rebase %s/%s" %
 467                 (rebase_remote, rebase_branch),
 468                 show=True, dir=test_master)
 469     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 470                    (rebase_remote, rebase_branch),
 471                    dir=test_master, output=True)
 472     if diff == '':
 473         print("No differences between HEAD and %s/%s - exiting" %
 474               (rebase_remote, rebase_branch))
 475         sys.exit(0)
 476     run_cmd("git describe %s/%s" %
 477             (rebase_remote, rebase_branch),
 478             show=True, dir=test_master)
 479     run_cmd("git describe HEAD", show=True, dir=test_master)
 480     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 481             (rebase_remote, rebase_branch),
 482             show=True, dir=test_master)
 483
 484 def push_to(push_url, push_branch = "master"):
 485     push_remote = "pushto"
 486     print("Pushing to %s" % push_url)
 487     if options.mark:
 488         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 489         run_cmd("git commit --amend -c HEAD", dir=test_master)
 490         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 491         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 492     run_cmd("git remote add -t %s %s %s" %
 493             (push_branch, push_remote, push_url),
 494             show=True, dir=test_master)
 495     run_cmd("git push %s +HEAD:%s" %
 496             (push_remote, push_branch),
 497             show=True, dir=test_master)
 498
 499 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 500
 501 gitroot = find_git_root()
 502 if gitroot is None:
 503     raise Exception("Failed to find git root")
 504
 505 parser = OptionParser()
 506 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 507 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 508 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 509 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 510                   default=def_testbase)
 511 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 512 parser.add_option("", "--verbose", help="show all commands as they are run",
 513                   default=False, action="store_true")
 514 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 515                   default=None, type='str')
 516 parser.add_option("", "--pushto", help="push to a git url on success",
 517                   default=None, type='str')
 518 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 519                   default=False, action="store_true")
 520 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 521                   default=False, action="store_true")
 522 parser.add_option("", "--retry", help="automatically retry if master changes",
 523                   default=False, action="store_true")
 524 parser.add_option("", "--email", help="send email to the given address on failure",
 525                   type='str', default=None)
 526 parser.add_option("", "--email-from", help="send email from the given address",
 527                   type='str', default="autobuild@samba.org")
 528 parser.add_option("", "--email-server", help="send email via the given server",
 529                   type='str', default='localhost')
 530 parser.add_option("", "--always-email", help="always send email, even on success",
 531                   action="store_true")
 532 parser.add_option("", "--daemon", help="daemonize after initial setup",
 533                   action="store_true")
 534 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 535                   default="master", type='str')
 536 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 537                   default=gitroot, type='str')
 538 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 539                   default=False, action="store_true")
 540
 541 def send_email(subject, text, log_tar):
 542     outer = MIMEMultipart()
 543     outer['Subject'] = subject
 544     outer['To'] = options.email
 545     outer['From'] = options.email_from
 546     outer['Date'] = email.utils.formatdate(localtime = True)
 547     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 548     outer.attach(MIMEText(text, 'plain'))
 549     if options.attach_logs:
 550         fp = open(log_tar, 'rb')
 551         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 552         fp.close()
 553         # Set the filename parameter
 554         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 555         outer.attach(msg)
 556     content = outer.as_string()
 557     s = smtplib.SMTP(options.email_server)
 558     s.sendmail(options.email_from, [options.email], content)
 559     s.set_debuglevel(1)
 560     s.quit()
 561
 562 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 563                   elapsed_time, log_base=None):
 564     '''send an email to options.email about the failure'''
 565     elapsed_minutes = elapsed_time / 60.0
 566     user = os.getenv("USER")
 567     if log_base is None:
 568         log_base = gitroot
 569     text = '''
 570 Dear Developer,
 571
 572 Your autobuild on %s failed after %.1f minutes
 573 when trying to test %s with the following error:
 574
 575    %s
 576
 577 the autobuild has been abandoned. Please fix the error and resubmit.
 578
 579 A summary of the autobuild process is here:
 580
 581   %s/autobuild.log
 582 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 583
 584     if failed_task != 'rebase':
 585         text += '''
 586 You can see logs of the failed task here:
 587
 588   %s/%s.stdout
 589   %s/%s.stderr
 590
 591 or you can get full logs of all tasks in this job here:
 592
 593   %s/logs.tar.gz
 594
 595 The top commit for the tree that was built was:
 596
 597 %s
 598
 599 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 600
 601     logs = os.path.join(gitroot, 'logs.tar.gz')
 602     send_email('autobuild failure on %s for task %s during %s'
 603                % (platform.node(), failed_task, failed_stage),
 604                text, logs)
 605
 606 def email_success(elapsed_time, log_base=None):
 607     '''send an email to options.email about a successful build'''
 608     user = os.getenv("USER")
 609     if log_base is None:
 610         log_base = gitroot
 611     text = '''
 612 Dear Developer,
 613
 614 Your autobuild on %s has succeeded after %.1f minutes.
 615
 616 ''' % (platform.node(), elapsed_time / 60.)
 617
 618     if options.keeplogs:
 619         text += '''
 620
 621 you can get full logs of all tasks in this job here:
 622
 623   %s/logs.tar.gz
 624
 625 ''' % log_base
 626
 627     text += '''
 628 The top commit for the tree that was built was:
 629
 630 %s
 631 ''' % top_commit_msg
 632
 633     logs = os.path.join(gitroot, 'logs.tar.gz')
 634     send_email('autobuild sucess on %s ' % platform.node(),
 635                text, logs)
 636
 637
 638 (options, args) = parser.parse_args()
 639
 640 if options.retry:
 641     if options.rebase is None:
 642         raise Exception('You can only use --retry if you also rebase')
 643
 644 testbase = "%s/b%u" % (options.testbase, os.getpid())
 645 test_master = "%s/master" % testbase
 646
 647 # get the top commit message, for emails
 648 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 649
 650 try:
 651     os.makedirs(testbase)
 652 except Exception, reason:
 653     raise Exception("Unable to create %s : %s" % (testbase, reason))
 654 cleanup_list.append(testbase)
 655
 656 if options.daemon:
 657     logfile = os.path.join(testbase, "log")
 658     print "Forking into the background, writing progress to %s" % logfile
 659     daemonize(logfile)
 660
 661 write_pidfile(gitroot + "/autobuild.pid")
 662
 663 start_time = time.time()
 664
 665 while True:
 666     try:
 667         run_cmd("rm -rf %s" % test_master)
 668         cleanup_list.append(test_master)
 669         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 670     except Exception:
 671         cleanup()
 672         raise
 673
 674     try:
 675         try:
 676             if options.rebase is not None:
 677                 rebase_tree(options.rebase, rebase_branch=options.branch)
 678         except Exception:
 679             cleanup_list.append(gitroot + "/autobuild.pid")
 680             cleanup()
 681             elapsed_time = time.time() - start_time
 682             email_failure(-1, 'rebase', 'rebase', 'rebase',
 683                           'rebase on %s failed' % options.branch,
 684                           elapsed_time, log_base=options.log_base)
 685             sys.exit(1)
 686         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 687         if options.tail:
 688             blist.start_tail()
 689         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 690         if status != 0 or errstr != "retry":
 691             break
 692         cleanup()
 693     except Exception:
 694         cleanup()
 695         raise
 696
 697 cleanup_list.append(gitroot + "/autobuild.pid")
 698
 699 blist.kill_kids()
 700 if options.tail:
 701     print("waiting for tail to flush")
 702     time.sleep(1)
 703
 704 elapsed_time = time.time() - start_time
 705 if status == 0:
 706     print errstr
 707     if options.passcmd is not None:
 708         print("Running passcmd: %s" % options.passcmd)
 709         run_cmd(options.passcmd, dir=test_master)
 710     if options.pushto is not None:
 711         push_to(options.pushto, push_branch=options.branch)
 712     if options.keeplogs or options.attach_logs:
 713         blist.tarlogs("logs.tar.gz")
 714         print("Logs in logs.tar.gz")
 715     if options.always_email:
 716         email_success(elapsed_time, log_base=options.log_base)
 717     blist.remove_logs()
 718     cleanup()
 719     print(errstr)
 720     sys.exit(0)
 721
 722 # something failed, gather a tar of the logs
 723 blist.tarlogs("logs.tar.gz")
 724
 725 if options.email is not None:
 726     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 727                   elapsed_time, log_base=options.log_base)
 728 else:
 729     elapsed_minutes = elapsed_time / 60.0
 730     print '''
 731
 732 ####################################################################
 733
 734 AUTOBUILD FAILURE
 735
 736 Your autobuild on %s failed after %.1f minutes
 737 when trying to test %s with the following error:
 738
 739    %s
 740
 741 the autobuild has been abandoned. Please fix the error and resubmit.
 742
 743 ####################################################################
 744
 745 ''' % (platform.node(), elapsed_minutes, failed_task, errstr)
 746
 747 cleanup()
 748 print(errstr)
 749 print("Logs in logs.tar.gz")
 750 sys.exit(status)