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-o3" : ".",
  28     "samba-ctdb" : ".",
  29     "samba-libs"  : ".",
  30     "samba-static"  : ".",
  31     "ldb"     : "lib/ldb",
  32     "tdb"     : "lib/tdb",
  33     "talloc"  : "lib/talloc",
  34     "replace" : "lib/replace",
  35     "tevent"  : "lib/tevent",
  36     "pidl"    : "pidl",
  37     "pass"    : ".",
  38     "fail"    : ".",
  39     "retry"   : "."
  40     }
  41
  42 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  43
  44 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  45     defaulttasks.remove("samba-o3")
  46
  47 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  48
  49 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  50 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  51 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  52 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  53 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  54 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  55
  56 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  57     extra_python = ""
  58 else:
  59     extra_python = "--extra-python=/usr/bin/python3"
  60
  61 tasks = {
  62     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  63                ("configure", "./configure ${PREFIX}", "text/plain"),
  64                ("make", "make all", "text/plain"),
  65                ("install", "make install", "text/plain"),
  66                ("test", "make autotest", "text/plain"),
  67                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  68                ("clean", "make clean", "text/plain") ],
  69
  70     # We have 'test' before 'install' because, 'test' should work without 'install'
  71     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  72                 ("make", "make -j", "text/plain"),
  73                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  74                 ("install", "make install", "text/plain"),
  75                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  76                 ("clean", "make clean", "text/plain") ],
  77
  78     # Test cross-compile infrastructure
  79     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  80                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  81                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  82                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  83                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  84                    ("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")],
  85
  86     # test build with -O3 -- catches extra warnings and bugs
  87     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  88                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  89                    ("make", "make -j", "text/plain"),
  90                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='\(ad_dc\)'", "text/plain"),
  91                    ("install", "make install", "text/plain"),
  92                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  93                    ("clean", "make clean", "text/plain") ],
  94
  95     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  96
  97                      # make sure we have tdb around:
  98                      ("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 ${PREFIX}", "text/plain"),
  99                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 100                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 101
 102
 103                      # build samba with cluster support (also building ctdb):
 104                      ("samba-configure", "PYTHONPATH=${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"),
 105                      ("samba-make", "make", "text/plain"),
 106                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 107                      ("samba-install", "make install", "text/plain"),
 108                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 109
 110                      # clean up:
 111                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 112                      ("clean", "make clean", "text/plain"),
 113                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 114
 115     "samba-libs" : [
 116                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 117                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 118                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 119                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 120
 121                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 122                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 123                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 124
 125                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 126                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 127                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 128
 129                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 130                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 131                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 132
 133                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 134                       ("nondevel-make", "make -j", "text/plain"),
 135                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 136                       ("nondevel-install", "make install", "text/plain"),
 137                       ("nondevel-dist", "make dist", "text/plain"),
 138
 139                       # retry with all modules shared
 140                       ("allshared-distclean", "make distclean", "text/plain"),
 141                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 142                       ("allshared-make", "make -j", "text/plain")],
 143
 144     "samba-static" : [
 145                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 146                       # build with all modules static
 147                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 148                       ("allstatic-make", "make -j", "text/plain"),
 149
 150                       # retry without any required modules
 151                       ("none-distclean", "make distclean", "text/plain"),
 152                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 153                       ("none-make", "make -j", "text/plain"),
 154
 155                       # retry with nonshared smbd and smbtorture
 156                       ("nonshared-distclean", "make distclean", "text/plain"),
 157                       ("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"),
 158                       ("nonshared-make", "make -j", "text/plain")],
 159
 160     "ldb" : [
 161               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 162               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 163               ("make", "make", "text/plain"),
 164               ("install", "make install", "text/plain"),
 165               ("test", "make test", "text/plain"),
 166               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 167               ("distcheck", "make distcheck", "text/plain"),
 168               ("clean", "make clean", "text/plain") ],
 169
 170     "tdb" : [
 171               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 172               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 173               ("make", "make", "text/plain"),
 174               ("install", "make install", "text/plain"),
 175               ("test", "make test", "text/plain"),
 176               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 177               ("distcheck", "make distcheck", "text/plain"),
 178               ("clean", "make clean", "text/plain") ],
 179
 180     "talloc" : [
 181                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 182                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 183                  ("make", "make", "text/plain"),
 184                  ("install", "make install", "text/plain"),
 185                  ("test", "make test", "text/plain"),
 186                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 187                  ("distcheck", "make distcheck", "text/plain"),
 188                  ("clean", "make clean", "text/plain") ],
 189
 190     "replace" : [
 191                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 192                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 193                   ("make", "make", "text/plain"),
 194                   ("install", "make install", "text/plain"),
 195                   ("test", "make test", "text/plain"),
 196                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 197                   ("distcheck", "make distcheck", "text/plain"),
 198                   ("clean", "make clean", "text/plain") ],
 199
 200     "tevent" : [
 201                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 202                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 203                  ("make", "make", "text/plain"),
 204                  ("install", "make install", "text/plain"),
 205                  ("test", "make test", "text/plain"),
 206                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 207                  ("distcheck", "make distcheck", "text/plain"),
 208                  ("clean", "make clean", "text/plain") ],
 209
 210     "pidl" : [
 211                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 212                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 213                ("touch", "touch *.yp", "text/plain"),
 214                ("make", "make", "text/plain"),
 215                ("test", "make test", "text/plain"),
 216                ("install", "make install", "text/plain"),
 217                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 218                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 219                ("clean", "make clean", "text/plain") ],
 220
 221     # these are useful for debugging autobuild
 222     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 223     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 224 }
 225
 226 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 227     if show is None:
 228         show = options.verbose
 229     if show:
 230         print("Running: '%s' in '%s'" % (cmd, dir))
 231     if output:
 232         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 233     elif checkfail:
 234         return check_call(cmd, shell=True, cwd=dir)
 235     else:
 236         return call(cmd, shell=True, cwd=dir)
 237
 238
 239 class builder(object):
 240     '''handle build of one directory'''
 241
 242     def __init__(self, name, sequence, cp=True):
 243         self.name = name
 244         self.dir = builddirs[name]
 245
 246         self.tag = self.name.replace('/', '_')
 247         self.sequence = sequence
 248         self.next = 0
 249         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 250         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 251         if options.verbose:
 252             print("stdout for %s in %s" % (self.name, self.stdout_path))
 253             print("stderr for %s in %s" % (self.name, self.stderr_path))
 254         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 255         self.stdout = open(self.stdout_path, 'w')
 256         self.stderr = open(self.stderr_path, 'w')
 257         self.stdin  = open("/dev/null", 'r')
 258         self.sdir = "%s/%s" % (testbase, self.tag)
 259         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 260         run_cmd("rm -rf %s" % self.sdir)
 261         cleanup_list.append(self.sdir)
 262         cleanup_list.append(self.prefix)
 263         os.makedirs(self.sdir)
 264         run_cmd("rm -rf %s" % self.sdir)
 265         if cp:
 266             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 267         else:
 268             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 269         self.start_next()
 270
 271     def start_next(self):
 272         if self.next == len(self.sequence):
 273             print '%s: Completed OK' % self.name
 274             self.done = True
 275             return
 276         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 277         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 278         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 279         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 280         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 281 #        if self.output_mime_type == "text/x-subunit":
 282 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 283         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 284         cwd = os.getcwd()
 285         os.chdir("%s/%s" % (self.sdir, self.dir))
 286         self.proc = Popen(self.cmd, shell=True,
 287                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 288         os.chdir(cwd)
 289         self.next += 1
 290
 291
 292 class buildlist(object):
 293     '''handle build of multiple directories'''
 294
 295     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 296         global tasks
 297         self.tlist = []
 298         self.tail_proc = None
 299         self.retry = None
 300         if tasknames == []:
 301             tasknames = defaulttasks
 302         else:
 303             # If we are only running one test,
 304             # do not sleep randomly to wait for it to start
 305             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 306
 307         for n in tasknames:
 308             b = builder(n, tasks[n], cp=n is not "pidl")
 309             self.tlist.append(b)
 310         if options.retry:
 311             rebase_remote = "rebaseon"
 312             retry_task = [ ("retry",
 313                             '''set -e
 314                             git remote add -t %s %s %s
 315                             git fetch %s
 316                             while :; do
 317                               sleep 60
 318                               git describe %s/%s > old_remote_branch.desc
 319                               git fetch %s
 320                               git describe %s/%s > remote_branch.desc
 321                               diff old_remote_branch.desc remote_branch.desc
 322                             done
 323                            ''' % (
 324                                rebase_branch, rebase_remote, rebase_url,
 325                                rebase_remote,
 326                                rebase_remote, rebase_branch,
 327                                rebase_remote,
 328                                rebase_remote, rebase_branch
 329                            ),
 330                            "test/plain" ) ]
 331
 332             self.retry = builder('retry', retry_task, cp=False)
 333             self.need_retry = False
 334
 335     def kill_kids(self):
 336         if self.tail_proc is not None:
 337             self.tail_proc.terminate()
 338             self.tail_proc.wait()
 339             self.tail_proc = None
 340         if self.retry is not None:
 341             self.retry.proc.terminate()
 342             self.retry.proc.wait()
 343             self.retry = None
 344         for b in self.tlist:
 345             if b.proc is not None:
 346                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 347                 b.proc.terminate()
 348                 b.proc.wait()
 349                 b.proc = None
 350
 351     def wait_one(self):
 352         while True:
 353             none_running = True
 354             for b in self.tlist:
 355                 if b.proc is None:
 356                     continue
 357                 none_running = False
 358                 b.status = b.proc.poll()
 359                 if b.status is None:
 360                     continue
 361                 b.proc = None
 362                 return b
 363             if options.retry:
 364                 ret = self.retry.proc.poll()
 365                 if ret is not None:
 366                     self.need_retry = True
 367                     self.retry = None
 368                     return None
 369             if none_running:
 370                 return None
 371             time.sleep(0.1)
 372
 373     def run(self):
 374         while True:
 375             b = self.wait_one()
 376             if options.retry and self.need_retry:
 377                 self.kill_kids()
 378                 print("retry needed")
 379                 return (0, None, None, None, "retry")
 380             if b is None:
 381                 break
 382             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 383                 self.kill_kids()
 384                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 385             b.start_next()
 386         self.kill_kids()
 387         return (0, None, None, None, "All OK")
 388
 389     def write_system_info(self):
 390         filename = 'system-info.txt'
 391         f = open(filename, 'w')
 392         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 393             print >>f, '### %s' % cmd
 394             print >>f, run_cmd(cmd, output=True, checkfail=False)
 395             print >>f
 396         f.close()
 397         return filename
 398
 399     def tarlogs(self, fname):
 400         tar = tarfile.open(fname, "w:gz")
 401         for b in self.tlist:
 402             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 403             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 404         if os.path.exists("autobuild.log"):
 405             tar.add("autobuild.log")
 406         sys_info = self.write_system_info()
 407         tar.add(sys_info)
 408         tar.close()
 409
 410     def remove_logs(self):
 411         for b in self.tlist:
 412             os.unlink(b.stdout_path)
 413             os.unlink(b.stderr_path)
 414
 415     def start_tail(self):
 416         cwd = os.getcwd()
 417         cmd = "tail -f *.stdout *.stderr"
 418         os.chdir(gitroot)
 419         self.tail_proc = Popen(cmd, shell=True)
 420         os.chdir(cwd)
 421
 422
 423 def cleanup():
 424     if options.nocleanup:
 425         return
 426     print("Cleaning up ....")
 427     for d in cleanup_list:
 428         run_cmd("rm -rf %s" % d)
 429
 430
 431 def find_git_root():
 432     '''get to the top of the git repo'''
 433     p=os.getcwd()
 434     while p != '/':
 435         if os.path.isdir(os.path.join(p, ".git")):
 436             return p
 437         p = os.path.abspath(os.path.join(p, '..'))
 438     return None
 439
 440
 441 def daemonize(logfile):
 442     pid = os.fork()
 443     if pid == 0: # Parent
 444         os.setsid()
 445         pid = os.fork()
 446         if pid != 0: # Actual daemon
 447             os._exit(0)
 448     else: # Grandparent
 449         os._exit(0)
 450
 451     import resource      # Resource usage information.
 452     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 453     if maxfd == resource.RLIM_INFINITY:
 454         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 455     for fd in range(0, maxfd):
 456         try:
 457             os.close(fd)
 458         except OSError:
 459             pass
 460     os.open(logfile, os.O_RDWR | os.O_CREAT)
 461     os.dup2(0, 1)
 462     os.dup2(0, 2)
 463
 464 def write_pidfile(fname):
 465     '''write a pid file, cleanup on exit'''
 466     f = open(fname, mode='w')
 467     f.write("%u\n" % os.getpid())
 468     f.close()
 469
 470
 471 def rebase_tree(rebase_url, rebase_branch = "master"):
 472     rebase_remote = "rebaseon"
 473     print("Rebasing on %s" % rebase_url)
 474     run_cmd("git describe HEAD", show=True, dir=test_master)
 475     run_cmd("git remote add -t %s %s %s" %
 476             (rebase_branch, rebase_remote, rebase_url),
 477             show=True, dir=test_master)
 478     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 479     if options.fix_whitespace:
 480         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 481                 (rebase_remote, rebase_branch),
 482                 show=True, dir=test_master)
 483     else:
 484         run_cmd("git rebase --force-rebase %s/%s" %
 485                 (rebase_remote, rebase_branch),
 486                 show=True, dir=test_master)
 487     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 488                    (rebase_remote, rebase_branch),
 489                    dir=test_master, output=True)
 490     if diff == '':
 491         print("No differences between HEAD and %s/%s - exiting" %
 492               (rebase_remote, rebase_branch))
 493         sys.exit(0)
 494     run_cmd("git describe %s/%s" %
 495             (rebase_remote, rebase_branch),
 496             show=True, dir=test_master)
 497     run_cmd("git describe HEAD", show=True, dir=test_master)
 498     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 499             (rebase_remote, rebase_branch),
 500             show=True, dir=test_master)
 501
 502 def push_to(push_url, push_branch = "master"):
 503     push_remote = "pushto"
 504     print("Pushing to %s" % push_url)
 505     if options.mark:
 506         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 507         run_cmd("git commit --amend -c HEAD", dir=test_master)
 508         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 509         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 510     run_cmd("git remote add -t %s %s %s" %
 511             (push_branch, push_remote, push_url),
 512             show=True, dir=test_master)
 513     run_cmd("git push %s +HEAD:%s" %
 514             (push_remote, push_branch),
 515             show=True, dir=test_master)
 516
 517 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 518
 519 gitroot = find_git_root()
 520 if gitroot is None:
 521     raise Exception("Failed to find git root")
 522
 523 parser = OptionParser()
 524 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 525 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 526 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 527 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 528                   default=def_testbase)
 529 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 530 parser.add_option("", "--verbose", help="show all commands as they are run",
 531                   default=False, action="store_true")
 532 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 533                   default=None, type='str')
 534 parser.add_option("", "--pushto", help="push to a git url on success",
 535                   default=None, type='str')
 536 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 537                   default=False, action="store_true")
 538 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 539                   default=False, action="store_true")
 540 parser.add_option("", "--retry", help="automatically retry if master changes",
 541                   default=False, action="store_true")
 542 parser.add_option("", "--email", help="send email to the given address on failure",
 543                   type='str', default=None)
 544 parser.add_option("", "--email-from", help="send email from the given address",
 545                   type='str', default="autobuild@samba.org")
 546 parser.add_option("", "--email-server", help="send email via the given server",
 547                   type='str', default='localhost')
 548 parser.add_option("", "--always-email", help="always send email, even on success",
 549                   action="store_true")
 550 parser.add_option("", "--daemon", help="daemonize after initial setup",
 551                   action="store_true")
 552 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 553                   default="master", type='str')
 554 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 555                   default=gitroot, type='str')
 556 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 557                   default=False, action="store_true")
 558
 559 def send_email(subject, text, log_tar):
 560     outer = MIMEMultipart()
 561     outer['Subject'] = subject
 562     outer['To'] = options.email
 563     outer['From'] = options.email_from
 564     outer['Date'] = email.utils.formatdate(localtime = True)
 565     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 566     outer.attach(MIMEText(text, 'plain'))
 567     if options.attach_logs:
 568         fp = open(log_tar, 'rb')
 569         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 570         fp.close()
 571         # Set the filename parameter
 572         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 573         outer.attach(msg)
 574     content = outer.as_string()
 575     s = smtplib.SMTP(options.email_server)
 576     s.sendmail(options.email_from, [options.email], content)
 577     s.set_debuglevel(1)
 578     s.quit()
 579
 580 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 581                   elapsed_time, log_base=None, add_log_tail=True):
 582     '''send an email to options.email about the failure'''
 583     elapsed_minutes = elapsed_time / 60.0
 584     user = os.getenv("USER")
 585     if log_base is None:
 586         log_base = gitroot
 587     text = '''
 588 Dear Developer,
 589
 590 Your autobuild on %s failed after %.1f minutes
 591 when trying to test %s with the following error:
 592
 593    %s
 594
 595 the autobuild has been abandoned. Please fix the error and resubmit.
 596
 597 A summary of the autobuild process is here:
 598
 599   %s/autobuild.log
 600 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 601
 602     if failed_task != 'rebase':
 603         text += '''
 604 You can see logs of the failed task here:
 605
 606   %s/%s.stdout
 607   %s/%s.stderr
 608
 609 or you can get full logs of all tasks in this job here:
 610
 611   %s/logs.tar.gz
 612
 613 The top commit for the tree that was built was:
 614
 615 %s
 616
 617 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 618
 619     if add_log_tail:
 620         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 621         lines = f.readlines()
 622         log_tail = "".join(lines[-50:])
 623         num_lines = len(lines)
 624         if num_lines < 50:
 625             # Also include stderr (compile failures) if < 50 lines of stdout
 626             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 627             log_tail += "".join(f.readlines()[-(50-num_lines):])
 628
 629         text += '''
 630 The last 50 lines of log messages:
 631
 632 %s
 633     ''' % log_tail
 634         f.close()
 635
 636     logs = os.path.join(gitroot, 'logs.tar.gz')
 637     send_email('autobuild failure on %s for task %s during %s'
 638                % (platform.node(), failed_task, failed_stage),
 639                text, logs)
 640
 641 def email_success(elapsed_time, log_base=None):
 642     '''send an email to options.email about a successful build'''
 643     user = os.getenv("USER")
 644     if log_base is None:
 645         log_base = gitroot
 646     text = '''
 647 Dear Developer,
 648
 649 Your autobuild on %s has succeeded after %.1f minutes.
 650
 651 ''' % (platform.node(), elapsed_time / 60.)
 652
 653     if options.keeplogs:
 654         text += '''
 655
 656 you can get full logs of all tasks in this job here:
 657
 658   %s/logs.tar.gz
 659
 660 ''' % log_base
 661
 662     text += '''
 663 The top commit for the tree that was built was:
 664
 665 %s
 666 ''' % top_commit_msg
 667
 668     logs = os.path.join(gitroot, 'logs.tar.gz')
 669     send_email('autobuild success on %s' % platform.node(),
 670                text, logs)
 671
 672
 673 (options, args) = parser.parse_args()
 674
 675 if options.retry:
 676     if options.rebase is None:
 677         raise Exception('You can only use --retry if you also rebase')
 678
 679 testbase = "%s/b%u" % (options.testbase, os.getpid())
 680 test_master = "%s/master" % testbase
 681
 682 # get the top commit message, for emails
 683 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 684
 685 try:
 686     os.makedirs(testbase)
 687 except Exception, reason:
 688     raise Exception("Unable to create %s : %s" % (testbase, reason))
 689 cleanup_list.append(testbase)
 690
 691 if options.daemon:
 692     logfile = os.path.join(testbase, "log")
 693     print "Forking into the background, writing progress to %s" % logfile
 694     daemonize(logfile)
 695
 696 write_pidfile(gitroot + "/autobuild.pid")
 697
 698 start_time = time.time()
 699
 700 while True:
 701     try:
 702         run_cmd("rm -rf %s" % test_master)
 703         cleanup_list.append(test_master)
 704         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 705     except Exception:
 706         cleanup()
 707         raise
 708
 709     try:
 710         try:
 711             if options.rebase is not None:
 712                 rebase_tree(options.rebase, rebase_branch=options.branch)
 713         except Exception:
 714             cleanup_list.append(gitroot + "/autobuild.pid")
 715             cleanup()
 716             elapsed_time = time.time() - start_time
 717             email_failure(-1, 'rebase', 'rebase', 'rebase',
 718                           'rebase on %s failed' % options.branch,
 719                           elapsed_time, log_base=options.log_base)
 720             sys.exit(1)
 721         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 722         if options.tail:
 723             blist.start_tail()
 724         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 725         if status != 0 or errstr != "retry":
 726             break
 727         cleanup()
 728     except Exception:
 729         cleanup()
 730         raise
 731
 732 cleanup_list.append(gitroot + "/autobuild.pid")
 733
 734 blist.kill_kids()
 735 if options.tail:
 736     print("waiting for tail to flush")
 737     time.sleep(1)
 738
 739 elapsed_time = time.time() - start_time
 740 if status == 0:
 741     print errstr
 742     if options.passcmd is not None:
 743         print("Running passcmd: %s" % options.passcmd)
 744         run_cmd(options.passcmd, dir=test_master)
 745     if options.pushto is not None:
 746         push_to(options.pushto, push_branch=options.branch)
 747     if options.keeplogs or options.attach_logs:
 748         blist.tarlogs("logs.tar.gz")
 749         print("Logs in logs.tar.gz")
 750     if options.always_email:
 751         email_success(elapsed_time, log_base=options.log_base)
 752     blist.remove_logs()
 753     cleanup()
 754     print(errstr)
 755     sys.exit(0)
 756
 757 # something failed, gather a tar of the logs
 758 blist.tarlogs("logs.tar.gz")
 759
 760 if options.email is not None:
 761     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 762                   elapsed_time, log_base=options.log_base)
 763 else:
 764     elapsed_minutes = elapsed_time / 60.0
 765     print '''
 766
 767 ####################################################################
 768
 769 AUTOBUILD FAILURE
 770
 771 Your autobuild on %s failed after %.1f minutes
 772 when trying to test %s with the following error:
 773
 774    %s
 775
 776 the autobuild has been abandoned. Please fix the error and resubmit.
 777
 778 ####################################################################
 779
 780 ''' % (platform.node(), elapsed_minutes, failed_task, errstr)
 781
 782 cleanup()
 783 print(errstr)
 784 print("Logs in logs.tar.gz")
 785 sys.exit(status)