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     "samba-test-only"  : ".",
  32     "ldb"     : "lib/ldb",
  33     "tdb"     : "lib/tdb",
  34     "talloc"  : "lib/talloc",
  35     "replace" : "lib/replace",
  36     "tevent"  : "lib/tevent",
  37     "pidl"    : "pidl",
  38     "pass"    : ".",
  39     "fail"    : ".",
  40     "retry"   : "."
  41     }
  42
  43 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  44
  45 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  46     defaulttasks.remove("samba-o3")
  47
  48 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  49
  50 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  51 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  52 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  53 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  54 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  55 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  56
  57 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  58     extra_python = ""
  59 else:
  60     extra_python = "--extra-python=/usr/bin/python3"
  61
  62 tasks = {
  63     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  64                ("configure", "./configure ${PREFIX}", "text/plain"),
  65                ("make", "make all", "text/plain"),
  66                ("install", "make install", "text/plain"),
  67                ("test", "make autotest", "text/plain"),
  68                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  69                ("clean", "make clean", "text/plain") ],
  70
  71     # We have 'test' before 'install' because, 'test' should work without 'install'
  72     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  73                 ("make", "make -j", "text/plain"),
  74                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  75                 ("install", "make install", "text/plain"),
  76                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  77                 ("clean", "make clean", "text/plain") ],
  78
  79     "samba-test-only" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab  --abi-check-disable" + samba_configure_params, "text/plain"),
  80                           ("make", "make -j", "text/plain"),
  81                           ("test", "make test FAIL_IMMEDIATELY=1 TESTS=${TESTS}", "text/plain") ],
  82
  83     # Test cross-compile infrastructure
  84     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  85                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  86                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  87                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  88                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  89                    ("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")],
  90
  91     # test build with -O3 -- catches extra warnings and bugs
  92     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  93                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab --abi-check-disable" + samba_configure_params, "text/plain"),
  94                    ("make", "make -j", "text/plain"),
  95                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='\(ad_dc\)'", "text/plain"),
  96                    ("install", "make install", "text/plain"),
  97                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  98                    ("clean", "make clean", "text/plain") ],
  99
 100     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 101
 102                      # make sure we have tdb around:
 103                      ("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 ${PREFIX}", "text/plain"),
 104                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 105                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 106
 107
 108                      # build samba with cluster support (also building ctdb):
 109                      ("samba-configure", "PYTHONPATH=${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"),
 110                      ("samba-make", "make", "text/plain"),
 111                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 112                      ("samba-install", "make install", "text/plain"),
 113                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 114
 115                      # clean up:
 116                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 117                      ("clean", "make clean", "text/plain"),
 118                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 119
 120     "samba-libs" : [
 121                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 122                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 123                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 124                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 125
 126                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 127                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 128                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 129
 130                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 131                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 132                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 133
 134                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 135                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 136                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 137
 138                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 139                       ("nondevel-make", "make -j", "text/plain"),
 140                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 141                       ("nondevel-install", "make install", "text/plain"),
 142                       ("nondevel-dist", "make dist", "text/plain"),
 143
 144                       # retry with all modules shared
 145                       ("allshared-distclean", "make distclean", "text/plain"),
 146                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 147                       ("allshared-make", "make -j", "text/plain")],
 148
 149     "samba-static" : [
 150                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 151                       # build with all modules static
 152                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 153                       ("allstatic-make", "make -j", "text/plain"),
 154
 155                       # retry without any required modules
 156                       ("none-distclean", "make distclean", "text/plain"),
 157                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 158                       ("none-make", "make -j", "text/plain"),
 159
 160                       # retry with nonshared smbd and smbtorture
 161                       ("nonshared-distclean", "make distclean", "text/plain"),
 162                       ("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"),
 163                       ("nonshared-make", "make -j", "text/plain")],
 164
 165     "ldb" : [
 166               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 167               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 168               ("make", "make", "text/plain"),
 169               ("install", "make install", "text/plain"),
 170               ("test", "make test", "text/plain"),
 171               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 172               ("distcheck", "make distcheck", "text/plain"),
 173               ("clean", "make clean", "text/plain") ],
 174
 175     "tdb" : [
 176               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 177               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 178               ("make", "make", "text/plain"),
 179               ("install", "make install", "text/plain"),
 180               ("test", "make test", "text/plain"),
 181               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 182               ("distcheck", "make distcheck", "text/plain"),
 183               ("clean", "make clean", "text/plain") ],
 184
 185     "talloc" : [
 186                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 187                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 188                  ("make", "make", "text/plain"),
 189                  ("install", "make install", "text/plain"),
 190                  ("test", "make test", "text/plain"),
 191                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 192                  ("distcheck", "make distcheck", "text/plain"),
 193                  ("clean", "make clean", "text/plain") ],
 194
 195     "replace" : [
 196                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 197                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 198                   ("make", "make", "text/plain"),
 199                   ("install", "make install", "text/plain"),
 200                   ("test", "make test", "text/plain"),
 201                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 202                   ("distcheck", "make distcheck", "text/plain"),
 203                   ("clean", "make clean", "text/plain") ],
 204
 205     "tevent" : [
 206                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 207                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 208                  ("make", "make", "text/plain"),
 209                  ("install", "make install", "text/plain"),
 210                  ("test", "make test", "text/plain"),
 211                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 212                  ("distcheck", "make distcheck", "text/plain"),
 213                  ("clean", "make clean", "text/plain") ],
 214
 215     "pidl" : [
 216                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 217                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 218                ("touch", "touch *.yp", "text/plain"),
 219                ("make", "make", "text/plain"),
 220                ("test", "make test", "text/plain"),
 221                ("install", "make install", "text/plain"),
 222                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 223                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 224                ("clean", "make clean", "text/plain") ],
 225
 226     # these are useful for debugging autobuild
 227     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 228     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 229 }
 230
 231 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 232     if show is None:
 233         show = options.verbose
 234     if show:
 235         print("Running: '%s' in '%s'" % (cmd, dir))
 236     if output:
 237         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 238     elif checkfail:
 239         return check_call(cmd, shell=True, cwd=dir)
 240     else:
 241         return call(cmd, shell=True, cwd=dir)
 242
 243
 244 class builder(object):
 245     '''handle build of one directory'''
 246
 247     def __init__(self, name, sequence, cp=True):
 248         self.name = name
 249         self.dir = builddirs[name]
 250
 251         self.tag = self.name.replace('/', '_')
 252         self.sequence = sequence
 253         self.next = 0
 254         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 255         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 256         if options.verbose:
 257             print("stdout for %s in %s" % (self.name, self.stdout_path))
 258             print("stderr for %s in %s" % (self.name, self.stderr_path))
 259         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 260         self.stdout = open(self.stdout_path, 'w')
 261         self.stderr = open(self.stderr_path, 'w')
 262         self.stdin  = open("/dev/null", 'r')
 263         self.sdir = "%s/%s" % (testbase, self.tag)
 264         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 265         run_cmd("rm -rf %s" % self.sdir)
 266         cleanup_list.append(self.sdir)
 267         cleanup_list.append(self.prefix)
 268         os.makedirs(self.sdir)
 269         run_cmd("rm -rf %s" % self.sdir)
 270         if cp:
 271             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 272         else:
 273             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 274         self.start_next()
 275
 276     def start_next(self):
 277         if self.next == len(self.sequence):
 278             print '%s: Completed OK' % self.name
 279             self.done = True
 280             return
 281         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 282         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 283         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 284         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 285         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 286         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 287 #        if self.output_mime_type == "text/x-subunit":
 288 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 289         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 290         cwd = os.getcwd()
 291         os.chdir("%s/%s" % (self.sdir, self.dir))
 292         self.proc = Popen(self.cmd, shell=True,
 293                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 294         os.chdir(cwd)
 295         self.next += 1
 296
 297
 298 class buildlist(object):
 299     '''handle build of multiple directories'''
 300
 301     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 302         global tasks
 303         self.tlist = []
 304         self.tail_proc = None
 305         self.retry = None
 306         if tasknames == []:
 307             if options.restrict_tests:
 308                 tasknames = ["samba-test-only"]
 309             else:
 310                 tasknames = defaulttasks
 311         else:
 312             # If we are only running one test,
 313             # do not sleep randomly to wait for it to start
 314             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 315
 316         for n in tasknames:
 317             b = builder(n, tasks[n], cp=n is not "pidl")
 318             self.tlist.append(b)
 319         if options.retry:
 320             rebase_remote = "rebaseon"
 321             retry_task = [ ("retry",
 322                             '''set -e
 323                             git remote add -t %s %s %s
 324                             git fetch %s
 325                             while :; do
 326                               sleep 60
 327                               git describe %s/%s > old_remote_branch.desc
 328                               git fetch %s
 329                               git describe %s/%s > remote_branch.desc
 330                               diff old_remote_branch.desc remote_branch.desc
 331                             done
 332                            ''' % (
 333                                rebase_branch, rebase_remote, rebase_url,
 334                                rebase_remote,
 335                                rebase_remote, rebase_branch,
 336                                rebase_remote,
 337                                rebase_remote, rebase_branch
 338                            ),
 339                            "test/plain" ) ]
 340
 341             self.retry = builder('retry', retry_task, cp=False)
 342             self.need_retry = False
 343
 344     def kill_kids(self):
 345         if self.tail_proc is not None:
 346             self.tail_proc.terminate()
 347             self.tail_proc.wait()
 348             self.tail_proc = None
 349         if self.retry is not None:
 350             self.retry.proc.terminate()
 351             self.retry.proc.wait()
 352             self.retry = None
 353         for b in self.tlist:
 354             if b.proc is not None:
 355                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 356                 b.proc.terminate()
 357                 b.proc.wait()
 358                 b.proc = None
 359
 360     def wait_one(self):
 361         while True:
 362             none_running = True
 363             for b in self.tlist:
 364                 if b.proc is None:
 365                     continue
 366                 none_running = False
 367                 b.status = b.proc.poll()
 368                 if b.status is None:
 369                     continue
 370                 b.proc = None
 371                 return b
 372             if options.retry:
 373                 ret = self.retry.proc.poll()
 374                 if ret is not None:
 375                     self.need_retry = True
 376                     self.retry = None
 377                     return None
 378             if none_running:
 379                 return None
 380             time.sleep(0.1)
 381
 382     def run(self):
 383         while True:
 384             b = self.wait_one()
 385             if options.retry and self.need_retry:
 386                 self.kill_kids()
 387                 print("retry needed")
 388                 return (0, None, None, None, "retry")
 389             if b is None:
 390                 break
 391             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 392                 self.kill_kids()
 393                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 394             b.start_next()
 395         self.kill_kids()
 396         return (0, None, None, None, "All OK")
 397
 398     def write_system_info(self):
 399         filename = 'system-info.txt'
 400         f = open(filename, 'w')
 401         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 402             print >>f, '### %s' % cmd
 403             print >>f, run_cmd(cmd, output=True, checkfail=False)
 404             print >>f
 405         f.close()
 406         return filename
 407
 408     def tarlogs(self, fname):
 409         tar = tarfile.open(fname, "w:gz")
 410         for b in self.tlist:
 411             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 412             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 413         if os.path.exists("autobuild.log"):
 414             tar.add("autobuild.log")
 415         sys_info = self.write_system_info()
 416         tar.add(sys_info)
 417         tar.close()
 418
 419     def remove_logs(self):
 420         for b in self.tlist:
 421             os.unlink(b.stdout_path)
 422             os.unlink(b.stderr_path)
 423
 424     def start_tail(self):
 425         cwd = os.getcwd()
 426         cmd = "tail -f *.stdout *.stderr"
 427         os.chdir(gitroot)
 428         self.tail_proc = Popen(cmd, shell=True)
 429         os.chdir(cwd)
 430
 431
 432 def cleanup():
 433     if options.nocleanup:
 434         return
 435     print("Cleaning up ....")
 436     for d in cleanup_list:
 437         run_cmd("rm -rf %s" % d)
 438
 439
 440 def find_git_root():
 441     '''get to the top of the git repo'''
 442     p=os.getcwd()
 443     while p != '/':
 444         if os.path.isdir(os.path.join(p, ".git")):
 445             return p
 446         p = os.path.abspath(os.path.join(p, '..'))
 447     return None
 448
 449
 450 def daemonize(logfile):
 451     pid = os.fork()
 452     if pid == 0: # Parent
 453         os.setsid()
 454         pid = os.fork()
 455         if pid != 0: # Actual daemon
 456             os._exit(0)
 457     else: # Grandparent
 458         os._exit(0)
 459
 460     import resource      # Resource usage information.
 461     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 462     if maxfd == resource.RLIM_INFINITY:
 463         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 464     for fd in range(0, maxfd):
 465         try:
 466             os.close(fd)
 467         except OSError:
 468             pass
 469     os.open(logfile, os.O_RDWR | os.O_CREAT)
 470     os.dup2(0, 1)
 471     os.dup2(0, 2)
 472
 473 def write_pidfile(fname):
 474     '''write a pid file, cleanup on exit'''
 475     f = open(fname, mode='w')
 476     f.write("%u\n" % os.getpid())
 477     f.close()
 478
 479
 480 def rebase_tree(rebase_url, rebase_branch = "master"):
 481     rebase_remote = "rebaseon"
 482     print("Rebasing on %s" % rebase_url)
 483     run_cmd("git describe HEAD", show=True, dir=test_master)
 484     run_cmd("git remote add -t %s %s %s" %
 485             (rebase_branch, rebase_remote, rebase_url),
 486             show=True, dir=test_master)
 487     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 488     if options.fix_whitespace:
 489         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 490                 (rebase_remote, rebase_branch),
 491                 show=True, dir=test_master)
 492     else:
 493         run_cmd("git rebase --force-rebase %s/%s" %
 494                 (rebase_remote, rebase_branch),
 495                 show=True, dir=test_master)
 496     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 497                    (rebase_remote, rebase_branch),
 498                    dir=test_master, output=True)
 499     if diff == '':
 500         print("No differences between HEAD and %s/%s - exiting" %
 501               (rebase_remote, rebase_branch))
 502         sys.exit(0)
 503     run_cmd("git describe %s/%s" %
 504             (rebase_remote, rebase_branch),
 505             show=True, dir=test_master)
 506     run_cmd("git describe HEAD", show=True, dir=test_master)
 507     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 508             (rebase_remote, rebase_branch),
 509             show=True, dir=test_master)
 510
 511 def push_to(push_url, push_branch = "master"):
 512     push_remote = "pushto"
 513     print("Pushing to %s" % push_url)
 514     if options.mark:
 515         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 516         run_cmd("git commit --amend -c HEAD", dir=test_master)
 517         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 518         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 519     run_cmd("git remote add -t %s %s %s" %
 520             (push_branch, push_remote, push_url),
 521             show=True, dir=test_master)
 522     run_cmd("git push %s +HEAD:%s" %
 523             (push_remote, push_branch),
 524             show=True, dir=test_master)
 525
 526 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 527
 528 gitroot = find_git_root()
 529 if gitroot is None:
 530     raise Exception("Failed to find git root")
 531
 532 parser = OptionParser()
 533 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 534 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 535 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 536 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 537                   default=def_testbase)
 538 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 539 parser.add_option("", "--verbose", help="show all commands as they are run",
 540                   default=False, action="store_true")
 541 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 542                   default=None, type='str')
 543 parser.add_option("", "--pushto", help="push to a git url on success",
 544                   default=None, type='str')
 545 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 546                   default=False, action="store_true")
 547 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 548                   default=False, action="store_true")
 549 parser.add_option("", "--retry", help="automatically retry if master changes",
 550                   default=False, action="store_true")
 551 parser.add_option("", "--email", help="send email to the given address on failure",
 552                   type='str', default=None)
 553 parser.add_option("", "--email-from", help="send email from the given address",
 554                   type='str', default="autobuild@samba.org")
 555 parser.add_option("", "--email-server", help="send email via the given server",
 556                   type='str', default='localhost')
 557 parser.add_option("", "--always-email", help="always send email, even on success",
 558                   action="store_true")
 559 parser.add_option("", "--daemon", help="daemonize after initial setup",
 560                   action="store_true")
 561 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 562                   default="master", type='str')
 563 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 564                   default=gitroot, type='str')
 565 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 566                   default=False, action="store_true")
 567 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 568                   default='')
 569
 570 def send_email(subject, text, log_tar):
 571     outer = MIMEMultipart()
 572     outer['Subject'] = subject
 573     outer['To'] = options.email
 574     outer['From'] = options.email_from
 575     outer['Date'] = email.utils.formatdate(localtime = True)
 576     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 577     outer.attach(MIMEText(text, 'plain'))
 578     if options.attach_logs:
 579         fp = open(log_tar, 'rb')
 580         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 581         fp.close()
 582         # Set the filename parameter
 583         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 584         outer.attach(msg)
 585     content = outer.as_string()
 586     s = smtplib.SMTP(options.email_server)
 587     s.sendmail(options.email_from, [options.email], content)
 588     s.set_debuglevel(1)
 589     s.quit()
 590
 591 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 592                   elapsed_time, log_base=None, add_log_tail=True):
 593     '''send an email to options.email about the failure'''
 594     elapsed_minutes = elapsed_time / 60.0
 595     user = os.getenv("USER")
 596     if log_base is None:
 597         log_base = gitroot
 598     text = '''
 599 Dear Developer,
 600
 601 Your autobuild on %s failed after %.1f minutes
 602 when trying to test %s with the following error:
 603
 604    %s
 605
 606 the autobuild has been abandoned. Please fix the error and resubmit.
 607
 608 A summary of the autobuild process is here:
 609
 610   %s/autobuild.log
 611 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 612
 613     if options.restrict_tests:
 614         text += """
 615 The build was restricted to tests matching %s\n""" % options.restrict_tests
 616
 617     if failed_task != 'rebase':
 618         text += '''
 619 You can see logs of the failed task here:
 620
 621   %s/%s.stdout
 622   %s/%s.stderr
 623
 624 or you can get full logs of all tasks in this job here:
 625
 626   %s/logs.tar.gz
 627
 628 The top commit for the tree that was built was:
 629
 630 %s
 631
 632 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 633
 634     if add_log_tail:
 635         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 636         lines = f.readlines()
 637         log_tail = "".join(lines[-50:])
 638         num_lines = len(lines)
 639         if num_lines < 50:
 640             # Also include stderr (compile failures) if < 50 lines of stdout
 641             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 642             log_tail += "".join(f.readlines()[-(50-num_lines):])
 643
 644         text += '''
 645 The last 50 lines of log messages:
 646
 647 %s
 648     ''' % log_tail
 649         f.close()
 650
 651     logs = os.path.join(gitroot, 'logs.tar.gz')
 652     send_email('autobuild[%s] failure on %s for task %s during %s'
 653                % (options.branch, platform.node(), failed_task, failed_stage),
 654                text, logs)
 655
 656 def email_success(elapsed_time, log_base=None):
 657     '''send an email to options.email about a successful build'''
 658     user = os.getenv("USER")
 659     if log_base is None:
 660         log_base = gitroot
 661     text = '''
 662 Dear Developer,
 663
 664 Your autobuild on %s has succeeded after %.1f minutes.
 665
 666 ''' % (platform.node(), elapsed_time / 60.)
 667
 668     if options.restrict_tests:
 669         text += """
 670 The build was restricted to tests matching %s\n""" % options.restrict_tests
 671
 672     if options.keeplogs:
 673         text += '''
 674
 675 you can get full logs of all tasks in this job here:
 676
 677   %s/logs.tar.gz
 678
 679 ''' % log_base
 680
 681     text += '''
 682 The top commit for the tree that was built was:
 683
 684 %s
 685 ''' % top_commit_msg
 686
 687     logs = os.path.join(gitroot, 'logs.tar.gz')
 688     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 689                text, logs)
 690
 691
 692 (options, args) = parser.parse_args()
 693
 694 if options.retry:
 695     if options.rebase is None:
 696         raise Exception('You can only use --retry if you also rebase')
 697
 698 testbase = "%s/b%u" % (options.testbase, os.getpid())
 699 test_master = "%s/master" % testbase
 700
 701 # get the top commit message, for emails
 702 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 703
 704 try:
 705     os.makedirs(testbase)
 706 except Exception, reason:
 707     raise Exception("Unable to create %s : %s" % (testbase, reason))
 708 cleanup_list.append(testbase)
 709
 710 if options.daemon:
 711     logfile = os.path.join(testbase, "log")
 712     print "Forking into the background, writing progress to %s" % logfile
 713     daemonize(logfile)
 714
 715 write_pidfile(gitroot + "/autobuild.pid")
 716
 717 start_time = time.time()
 718
 719 while True:
 720     try:
 721         run_cmd("rm -rf %s" % test_master)
 722         cleanup_list.append(test_master)
 723         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 724     except Exception:
 725         cleanup()
 726         raise
 727
 728     try:
 729         try:
 730             if options.rebase is not None:
 731                 rebase_tree(options.rebase, rebase_branch=options.branch)
 732         except Exception:
 733             cleanup_list.append(gitroot + "/autobuild.pid")
 734             cleanup()
 735             elapsed_time = time.time() - start_time
 736             email_failure(-1, 'rebase', 'rebase', 'rebase',
 737                           'rebase on %s failed' % options.branch,
 738                           elapsed_time, log_base=options.log_base)
 739             sys.exit(1)
 740         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 741         if options.tail:
 742             blist.start_tail()
 743         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 744         if status != 0 or errstr != "retry":
 745             break
 746         cleanup()
 747     except Exception:
 748         cleanup()
 749         raise
 750
 751 cleanup_list.append(gitroot + "/autobuild.pid")
 752
 753 blist.kill_kids()
 754 if options.tail:
 755     print("waiting for tail to flush")
 756     time.sleep(1)
 757
 758 elapsed_time = time.time() - start_time
 759 if status == 0:
 760     print errstr
 761     if options.passcmd is not None:
 762         print("Running passcmd: %s" % options.passcmd)
 763         run_cmd(options.passcmd, dir=test_master)
 764     if options.pushto is not None:
 765         push_to(options.pushto, push_branch=options.branch)
 766     if options.keeplogs or options.attach_logs:
 767         blist.tarlogs("logs.tar.gz")
 768         print("Logs in logs.tar.gz")
 769     if options.always_email:
 770         email_success(elapsed_time, log_base=options.log_base)
 771     blist.remove_logs()
 772     cleanup()
 773     print(errstr)
 774     sys.exit(0)
 775
 776 # something failed, gather a tar of the logs
 777 blist.tarlogs("logs.tar.gz")
 778
 779 if options.email is not None:
 780     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 781                   elapsed_time, log_base=options.log_base)
 782 else:
 783     elapsed_minutes = elapsed_time / 60.0
 784     print '''
 785
 786 ####################################################################
 787
 788 AUTOBUILD FAILURE
 789
 790 Your autobuild[%s] on %s failed after %.1f minutes
 791 when trying to test %s with the following error:
 792
 793    %s
 794
 795 the autobuild has been abandoned. Please fix the error and resubmit.
 796
 797 ####################################################################
 798
 799 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 800
 801 cleanup()
 802 print(errstr)
 803 print("Logs in logs.tar.gz")
 804 sys.exit(status)