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 os.environ["PYTHONUNBUFFERED"] = "1"
  19
  20 # This speeds up testing remarkably.
  21 os.environ['TDB_NO_FSYNC'] = '1'
  22
  23 cleanup_list = []
  24
  25 builddirs = {
  26     "ctdb"    : "ctdb",
  27     "samba"  : ".",
  28     "samba-xc" : ".",
  29     "samba-o3" : ".",
  30     "samba-ctdb" : ".",
  31     "samba-libs"  : ".",
  32     "samba-static"  : ".",
  33     "samba-test-only"  : ".",
  34     "samba-systemkrb5"  : ".",
  35     "ldb"     : "lib/ldb",
  36     "tdb"     : "lib/tdb",
  37     "talloc"  : "lib/talloc",
  38     "replace" : "lib/replace",
  39     "tevent"  : "lib/tevent",
  40     "pidl"    : "pidl",
  41     "pass"    : ".",
  42     "fail"    : ".",
  43     "retry"   : "."
  44     }
  45
  46 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "samba-systemkrb5", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  47
  48 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  49     defaulttasks.remove("samba-o3")
  50
  51 ctdb_configure_params = " --enable-developer --picky-developer ${PREFIX}"
  52 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  53
  54 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  55 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  56 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  57 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  58 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  59 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  60
  61 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  62     extra_python = ""
  63 else:
  64     extra_python = "--extra-python=/usr/bin/python3"
  65
  66 tasks = {
  67     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  68                ("configure", "./configure " + ctdb_configure_params, "text/plain"),
  69                ("make", "make all", "text/plain"),
  70                ("install", "make install", "text/plain"),
  71                ("test", "make autotest", "text/plain"),
  72                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  73                ("clean", "make clean", "text/plain") ],
  74
  75     # We have 'test' before 'install' because, 'test' should work without 'install'
  76     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  77                 ("make", "make -j", "text/plain"),
  78                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  79                 ("install", "make install", "text/plain"),
  80                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  81                 ("clean", "make clean", "text/plain") ],
  82
  83     "samba-test-only" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab  --abi-check-disable" + samba_configure_params, "text/plain"),
  84                           ("make", "make -j", "text/plain"),
  85                           ("test", "make test FAIL_IMMEDIATELY=1 TESTS=${TESTS}", "text/plain") ],
  86
  87     # Test cross-compile infrastructure
  88     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  89                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  90                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  91                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  92                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  93                    ("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")],
  94
  95     # test build with -O3 -- catches extra warnings and bugs
  96     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  97                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab --abi-check-disable" + samba_configure_params, "text/plain"),
  98                    ("make", "make -j", "text/plain"),
  99                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='\(ad_dc\)'", "text/plain"),
 100                    ("install", "make install", "text/plain"),
 101                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 102                    ("clean", "make clean", "text/plain") ],
 103
 104     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 105
 106                      # make sure we have tdb around:
 107                      ("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 ${PREFIX}", "text/plain"),
 108                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 109                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 110
 111
 112                      # build samba with cluster support (also building ctdb):
 113                      ("samba-configure", "PYTHONPATH=${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"),
 114                      ("samba-make", "make", "text/plain"),
 115                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 116                      ("samba-install", "make install", "text/plain"),
 117                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 118
 119                      # clean up:
 120                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 121                      ("clean", "make clean", "text/plain"),
 122                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 123
 124     "samba-libs" : [
 125                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 126                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 127                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 128                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 129
 130                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 131                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 132                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 133
 134                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 135                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 136                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 137
 138                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 139                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 140                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 141
 142                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 143                       ("nondevel-make", "make -j", "text/plain"),
 144                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 145                       ("nondevel-install", "make install", "text/plain"),
 146                       ("nondevel-dist", "make dist", "text/plain"),
 147
 148                       # retry with all modules shared
 149                       ("allshared-distclean", "make distclean", "text/plain"),
 150                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 151                       ("allshared-make", "make -j", "text/plain")],
 152
 153     "samba-static" : [
 154                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 155                       # build with all modules static
 156                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 157                       ("allstatic-make", "make -j", "text/plain"),
 158
 159                       # retry without any required modules
 160                       ("none-distclean", "make distclean", "text/plain"),
 161                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 162                       ("none-make", "make -j", "text/plain"),
 163
 164                       # retry with nonshared smbd and smbtorture
 165                       ("nonshared-distclean", "make distclean", "text/plain"),
 166                       ("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"),
 167                       ("nonshared-make", "make -j", "text/plain")],
 168
 169     "samba-systemkrb5" : [
 170                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 171                       ("configure", "./configure.developer " + samba_configure_params + " --with-system-mitkrb5 --without-ad-dc", "text/plain"),
 172                       ("make", "make -j", "text/plain"),
 173                       # we currently cannot run a full make test, a limited list of tests could be run
 174                       # via "make test TESTS=sometests"
 175                       ("test", "make test FAIL_IMMEDIATELY=1 TESTS='samba3.*ktest'", "text/plain"),
 176                       ("install", "make install", "text/plain"),
 177                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 178                       ("clean", "make clean", "text/plain")
 179                       ],
 180
 181
 182
 183     "ldb" : [
 184               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 185               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "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     "tdb" : [
 194               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 195               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 196               ("make", "make", "text/plain"),
 197               ("install", "make install", "text/plain"),
 198               ("test", "make test", "text/plain"),
 199               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 200               ("distcheck", "make distcheck", "text/plain"),
 201               ("clean", "make clean", "text/plain") ],
 202
 203     "talloc" : [
 204                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 205                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 206                  ("make", "make", "text/plain"),
 207                  ("install", "make install", "text/plain"),
 208                  ("test", "make test", "text/plain"),
 209                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 210                  ("distcheck", "make distcheck", "text/plain"),
 211                  ("clean", "make clean", "text/plain") ],
 212
 213     "replace" : [
 214                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 215                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 216                   ("make", "make", "text/plain"),
 217                   ("install", "make install", "text/plain"),
 218                   ("test", "make test", "text/plain"),
 219                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 220                   ("distcheck", "make distcheck", "text/plain"),
 221                   ("clean", "make clean", "text/plain") ],
 222
 223     "tevent" : [
 224                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 225                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 226                  ("make", "make", "text/plain"),
 227                  ("install", "make install", "text/plain"),
 228                  ("test", "make test", "text/plain"),
 229                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 230                  ("distcheck", "make distcheck", "text/plain"),
 231                  ("clean", "make clean", "text/plain") ],
 232
 233     "pidl" : [
 234                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 235                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 236                ("touch", "touch *.yp", "text/plain"),
 237                ("make", "make", "text/plain"),
 238                ("test", "make test", "text/plain"),
 239                ("install", "make install", "text/plain"),
 240                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 241                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 242                ("clean", "make clean", "text/plain") ],
 243
 244     # these are useful for debugging autobuild
 245     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 246     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 247 }
 248
 249 def do_print(msg):
 250     print "%s" % msg
 251     sys.stdout.flush()
 252     sys.stderr.flush()
 253
 254 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 255     if show is None:
 256         show = options.verbose
 257     if show:
 258         do_print("Running: '%s' in '%s'" % (cmd, dir))
 259     if output:
 260         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 261     elif checkfail:
 262         return check_call(cmd, shell=True, cwd=dir)
 263     else:
 264         return call(cmd, shell=True, cwd=dir)
 265
 266
 267 class builder(object):
 268     '''handle build of one directory'''
 269
 270     def __init__(self, name, sequence, cp=True):
 271         self.name = name
 272         self.dir = builddirs[name]
 273
 274         self.tag = self.name.replace('/', '_')
 275         self.sequence = sequence
 276         self.next = 0
 277         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 278         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 279         if options.verbose:
 280             do_print("stdout for %s in %s" % (self.name, self.stdout_path))
 281             do_print("stderr for %s in %s" % (self.name, self.stderr_path))
 282         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 283         self.stdout = open(self.stdout_path, 'w')
 284         self.stderr = open(self.stderr_path, 'w')
 285         self.stdin  = open("/dev/null", 'r')
 286         self.sdir = "%s/%s" % (testbase, self.tag)
 287         self.prefix = "%s/%s" % (test_prefix, self.tag)
 288         run_cmd("rm -rf %s" % self.sdir)
 289         run_cmd("rm -rf %s" % self.prefix)
 290         if cp:
 291             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 292         else:
 293             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 294         self.start_next()
 295
 296     def start_next(self):
 297         if self.next == len(self.sequence):
 298             if not options.nocleanup:
 299                 run_cmd("rm -rf %s" % self.sdir)
 300                 run_cmd("rm -rf %s" % self.prefix)
 301             do_print('%s: Completed OK' % self.name)
 302             self.done = True
 303             return
 304         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 305         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 306         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 307         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 308         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 309         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 310 #        if self.output_mime_type == "text/x-subunit":
 311 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 312         do_print('%s: [%s] Running %s' % (self.name, self.stage, self.cmd))
 313         cwd = os.getcwd()
 314         os.chdir("%s/%s" % (self.sdir, self.dir))
 315         self.proc = Popen(self.cmd, shell=True,
 316                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 317         os.chdir(cwd)
 318         self.next += 1
 319
 320
 321 class buildlist(object):
 322     '''handle build of multiple directories'''
 323
 324     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 325         global tasks
 326         self.tlist = []
 327         self.tail_proc = None
 328         self.retry = None
 329         if tasknames == []:
 330             if options.restrict_tests:
 331                 tasknames = ["samba-test-only"]
 332             else:
 333                 tasknames = defaulttasks
 334         else:
 335             # If we are only running one test,
 336             # do not sleep randomly to wait for it to start
 337             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 338
 339         for n in tasknames:
 340             b = builder(n, tasks[n], cp=n is not "pidl")
 341             self.tlist.append(b)
 342         if options.retry:
 343             rebase_remote = "rebaseon"
 344             retry_task = [ ("retry",
 345                             '''set -e
 346                             git remote add -t %s %s %s
 347                             git fetch %s
 348                             while :; do
 349                               sleep 60
 350                               git describe %s/%s > old_remote_branch.desc
 351                               git fetch %s
 352                               git describe %s/%s > remote_branch.desc
 353                               diff old_remote_branch.desc remote_branch.desc
 354                             done
 355                            ''' % (
 356                                rebase_branch, rebase_remote, rebase_url,
 357                                rebase_remote,
 358                                rebase_remote, rebase_branch,
 359                                rebase_remote,
 360                                rebase_remote, rebase_branch
 361                            ),
 362                            "test/plain" ) ]
 363
 364             self.retry = builder('retry', retry_task, cp=False)
 365             self.need_retry = False
 366
 367     def kill_kids(self):
 368         if self.tail_proc is not None:
 369             self.tail_proc.terminate()
 370             self.tail_proc.wait()
 371             self.tail_proc = None
 372         if self.retry is not None:
 373             self.retry.proc.terminate()
 374             self.retry.proc.wait()
 375             self.retry = None
 376         for b in self.tlist:
 377             if b.proc is not None:
 378                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 379                 b.proc.terminate()
 380                 b.proc.wait()
 381                 b.proc = None
 382
 383     def wait_one(self):
 384         while True:
 385             none_running = True
 386             for b in self.tlist:
 387                 if b.proc is None:
 388                     continue
 389                 none_running = False
 390                 b.status = b.proc.poll()
 391                 if b.status is None:
 392                     continue
 393                 b.proc = None
 394                 return b
 395             if options.retry:
 396                 ret = self.retry.proc.poll()
 397                 if ret is not None:
 398                     self.need_retry = True
 399                     self.retry = None
 400                     return None
 401             if none_running:
 402                 return None
 403             time.sleep(0.1)
 404
 405     def run(self):
 406         while True:
 407             b = self.wait_one()
 408             if options.retry and self.need_retry:
 409                 self.kill_kids()
 410                 do_print("retry needed")
 411                 return (0, None, None, None, "retry")
 412             if b is None:
 413                 break
 414             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 415                 self.kill_kids()
 416                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 417             b.start_next()
 418         self.kill_kids()
 419         return (0, None, None, None, "All OK")
 420
 421     def write_system_info(self):
 422         filename = 'system-info.txt'
 423         f = open(filename, 'w')
 424         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 425             print >>f, '### %s' % cmd
 426             print >>f, run_cmd(cmd, output=True, checkfail=False)
 427             print >>f
 428         f.close()
 429         return filename
 430
 431     def tarlogs(self, fname):
 432         tar = tarfile.open(fname, "w:gz")
 433         for b in self.tlist:
 434             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 435             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 436         if os.path.exists("autobuild.log"):
 437             tar.add("autobuild.log")
 438         sys_info = self.write_system_info()
 439         tar.add(sys_info)
 440         tar.close()
 441
 442     def remove_logs(self):
 443         for b in self.tlist:
 444             os.unlink(b.stdout_path)
 445             os.unlink(b.stderr_path)
 446
 447     def start_tail(self):
 448         cwd = os.getcwd()
 449         cmd = "tail -f *.stdout *.stderr"
 450         os.chdir(gitroot)
 451         self.tail_proc = Popen(cmd, shell=True)
 452         os.chdir(cwd)
 453
 454
 455 def cleanup():
 456     if options.nocleanup:
 457         return
 458     do_print("Cleaning up ....")
 459     for d in cleanup_list:
 460         run_cmd("rm -rf %s" % d)
 461
 462
 463 def find_git_root():
 464     '''get to the top of the git repo'''
 465     p=os.getcwd()
 466     while p != '/':
 467         if os.path.isdir(os.path.join(p, ".git")):
 468             return p
 469         p = os.path.abspath(os.path.join(p, '..'))
 470     return None
 471
 472
 473 def daemonize(logfile):
 474     pid = os.fork()
 475     if pid == 0: # Parent
 476         os.setsid()
 477         pid = os.fork()
 478         if pid != 0: # Actual daemon
 479             os._exit(0)
 480     else: # Grandparent
 481         os._exit(0)
 482
 483     import resource      # Resource usage information.
 484     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 485     if maxfd == resource.RLIM_INFINITY:
 486         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 487     for fd in range(0, maxfd):
 488         try:
 489             os.close(fd)
 490         except OSError:
 491             pass
 492     os.open(logfile, os.O_RDWR | os.O_CREAT)
 493     os.dup2(0, 1)
 494     os.dup2(0, 2)
 495
 496 def write_pidfile(fname):
 497     '''write a pid file, cleanup on exit'''
 498     f = open(fname, mode='w')
 499     f.write("%u\n" % os.getpid())
 500     f.close()
 501
 502
 503 def rebase_tree(rebase_url, rebase_branch = "master"):
 504     rebase_remote = "rebaseon"
 505     do_print("Rebasing on %s" % rebase_url)
 506     run_cmd("git describe HEAD", show=True, dir=test_master)
 507     run_cmd("git remote add -t %s %s %s" %
 508             (rebase_branch, rebase_remote, rebase_url),
 509             show=True, dir=test_master)
 510     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 511     if options.fix_whitespace:
 512         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 513                 (rebase_remote, rebase_branch),
 514                 show=True, dir=test_master)
 515     else:
 516         run_cmd("git rebase --force-rebase %s/%s" %
 517                 (rebase_remote, rebase_branch),
 518                 show=True, dir=test_master)
 519     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 520                    (rebase_remote, rebase_branch),
 521                    dir=test_master, output=True)
 522     if diff == '':
 523         do_print("No differences between HEAD and %s/%s - exiting" %
 524               (rebase_remote, rebase_branch))
 525         sys.exit(0)
 526     run_cmd("git describe %s/%s" %
 527             (rebase_remote, rebase_branch),
 528             show=True, dir=test_master)
 529     run_cmd("git describe HEAD", show=True, dir=test_master)
 530     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 531             (rebase_remote, rebase_branch),
 532             show=True, dir=test_master)
 533
 534 def push_to(push_url, push_branch = "master"):
 535     push_remote = "pushto"
 536     do_print("Pushing to %s" % push_url)
 537     if options.mark:
 538         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 539         run_cmd("git commit --amend -c HEAD", dir=test_master)
 540         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 541         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 542     run_cmd("git remote add -t %s %s %s" %
 543             (push_branch, push_remote, push_url),
 544             show=True, dir=test_master)
 545     run_cmd("git push %s +HEAD:%s" %
 546             (push_remote, push_branch),
 547             show=True, dir=test_master)
 548
 549 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 550
 551 gitroot = find_git_root()
 552 if gitroot is None:
 553     raise Exception("Failed to find git root")
 554
 555 parser = OptionParser()
 556 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 557 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 558 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 559 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 560                   default=def_testbase)
 561 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 562 parser.add_option("", "--verbose", help="show all commands as they are run",
 563                   default=False, action="store_true")
 564 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 565                   default=None, type='str')
 566 parser.add_option("", "--pushto", help="push to a git url on success",
 567                   default=None, type='str')
 568 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 569                   default=False, action="store_true")
 570 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 571                   default=False, action="store_true")
 572 parser.add_option("", "--retry", help="automatically retry if master changes",
 573                   default=False, action="store_true")
 574 parser.add_option("", "--email", help="send email to the given address on failure",
 575                   type='str', default=None)
 576 parser.add_option("", "--email-from", help="send email from the given address",
 577                   type='str', default="autobuild@samba.org")
 578 parser.add_option("", "--email-server", help="send email via the given server",
 579                   type='str', default='localhost')
 580 parser.add_option("", "--always-email", help="always send email, even on success",
 581                   action="store_true")
 582 parser.add_option("", "--daemon", help="daemonize after initial setup",
 583                   action="store_true")
 584 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 585                   default="master", type='str')
 586 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 587                   default=gitroot, type='str')
 588 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 589                   default=False, action="store_true")
 590 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 591                   default='')
 592
 593 def send_email(subject, text, log_tar):
 594     outer = MIMEMultipart()
 595     outer['Subject'] = subject
 596     outer['To'] = options.email
 597     outer['From'] = options.email_from
 598     outer['Date'] = email.utils.formatdate(localtime = True)
 599     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 600     outer.attach(MIMEText(text, 'plain'))
 601     if options.attach_logs:
 602         fp = open(log_tar, 'rb')
 603         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 604         fp.close()
 605         # Set the filename parameter
 606         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 607         outer.attach(msg)
 608     content = outer.as_string()
 609     s = smtplib.SMTP(options.email_server)
 610     s.sendmail(options.email_from, [options.email], content)
 611     s.set_debuglevel(1)
 612     s.quit()
 613
 614 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 615                   elapsed_time, log_base=None, add_log_tail=True):
 616     '''send an email to options.email about the failure'''
 617     elapsed_minutes = elapsed_time / 60.0
 618     user = os.getenv("USER")
 619     if log_base is None:
 620         log_base = gitroot
 621     text = '''
 622 Dear Developer,
 623
 624 Your autobuild on %s failed after %.1f minutes
 625 when trying to test %s with the following error:
 626
 627    %s
 628
 629 the autobuild has been abandoned. Please fix the error and resubmit.
 630
 631 A summary of the autobuild process is here:
 632
 633   %s/autobuild.log
 634 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 635
 636     if options.restrict_tests:
 637         text += """
 638 The build was restricted to tests matching %s\n""" % options.restrict_tests
 639
 640     if failed_task != 'rebase':
 641         text += '''
 642 You can see logs of the failed task here:
 643
 644   %s/%s.stdout
 645   %s/%s.stderr
 646
 647 or you can get full logs of all tasks in this job here:
 648
 649   %s/logs.tar.gz
 650
 651 The top commit for the tree that was built was:
 652
 653 %s
 654
 655 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 656
 657     if add_log_tail:
 658         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 659         lines = f.readlines()
 660         log_tail = "".join(lines[-50:])
 661         num_lines = len(lines)
 662         if num_lines < 50:
 663             # Also include stderr (compile failures) if < 50 lines of stdout
 664             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 665             log_tail += "".join(f.readlines()[-(50-num_lines):])
 666
 667         text += '''
 668 The last 50 lines of log messages:
 669
 670 %s
 671     ''' % log_tail
 672         f.close()
 673
 674     logs = os.path.join(gitroot, 'logs.tar.gz')
 675     send_email('autobuild[%s] failure on %s for task %s during %s'
 676                % (options.branch, platform.node(), failed_task, failed_stage),
 677                text, logs)
 678
 679 def email_success(elapsed_time, log_base=None):
 680     '''send an email to options.email about a successful build'''
 681     user = os.getenv("USER")
 682     if log_base is None:
 683         log_base = gitroot
 684     text = '''
 685 Dear Developer,
 686
 687 Your autobuild on %s has succeeded after %.1f minutes.
 688
 689 ''' % (platform.node(), elapsed_time / 60.)
 690
 691     if options.restrict_tests:
 692         text += """
 693 The build was restricted to tests matching %s\n""" % options.restrict_tests
 694
 695     if options.keeplogs:
 696         text += '''
 697
 698 you can get full logs of all tasks in this job here:
 699
 700   %s/logs.tar.gz
 701
 702 ''' % log_base
 703
 704     text += '''
 705 The top commit for the tree that was built was:
 706
 707 %s
 708 ''' % top_commit_msg
 709
 710     logs = os.path.join(gitroot, 'logs.tar.gz')
 711     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 712                text, logs)
 713
 714
 715 (options, args) = parser.parse_args()
 716
 717 if options.retry:
 718     if options.rebase is None:
 719         raise Exception('You can only use --retry if you also rebase')
 720
 721 testbase = "%s/b%u" % (options.testbase, os.getpid())
 722 test_master = "%s/master" % testbase
 723 test_prefix = "%s/prefix" % testbase
 724 test_tmpdir = "%s/tmp" % testbase
 725 os.environ['TMPDIR'] = test_tmpdir
 726
 727 # get the top commit message, for emails
 728 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 729
 730 try:
 731     os.makedirs(testbase)
 732 except Exception, reason:
 733     raise Exception("Unable to create %s : %s" % (testbase, reason))
 734 cleanup_list.append(testbase)
 735
 736 if options.daemon:
 737     logfile = os.path.join(testbase, "log")
 738     do_print("Forking into the background, writing progress to %s" % logfile)
 739     daemonize(logfile)
 740
 741 write_pidfile(gitroot + "/autobuild.pid")
 742
 743 start_time = time.time()
 744
 745 while True:
 746     try:
 747         run_cmd("rm -rf %s" % test_master)
 748         run_cmd("rm -rf %s" % test_prefix)
 749         run_cmd("rm -rf %s" % test_tmpdir)
 750         os.makedirs(test_tmpdir)
 751         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 752     except Exception:
 753         cleanup()
 754         raise
 755
 756     try:
 757         try:
 758             if options.rebase is not None:
 759                 rebase_tree(options.rebase, rebase_branch=options.branch)
 760         except Exception:
 761             cleanup_list.append(gitroot + "/autobuild.pid")
 762             cleanup()
 763             elapsed_time = time.time() - start_time
 764             email_failure(-1, 'rebase', 'rebase', 'rebase',
 765                           'rebase on %s failed' % options.branch,
 766                           elapsed_time, log_base=options.log_base)
 767             sys.exit(1)
 768         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 769         if options.tail:
 770             blist.start_tail()
 771         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 772         if status != 0 or errstr != "retry":
 773             break
 774         cleanup()
 775     except Exception:
 776         cleanup()
 777         raise
 778
 779 cleanup_list.append(gitroot + "/autobuild.pid")
 780
 781 blist.kill_kids()
 782 if options.tail:
 783     do_print("waiting for tail to flush")
 784     time.sleep(1)
 785
 786 elapsed_time = time.time() - start_time
 787 if status == 0:
 788     do_print(errstr)
 789     if options.passcmd is not None:
 790         do_print("Running passcmd: %s" % options.passcmd)
 791         run_cmd(options.passcmd, dir=test_master)
 792     if options.pushto is not None:
 793         push_to(options.pushto, push_branch=options.branch)
 794     if options.keeplogs or options.attach_logs:
 795         blist.tarlogs("logs.tar.gz")
 796         do_print("Logs in logs.tar.gz")
 797     if options.always_email:
 798         email_success(elapsed_time, log_base=options.log_base)
 799     blist.remove_logs()
 800     cleanup()
 801     do_print(errstr)
 802     sys.exit(0)
 803
 804 # something failed, gather a tar of the logs
 805 blist.tarlogs("logs.tar.gz")
 806
 807 if options.email is not None:
 808     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 809                   elapsed_time, log_base=options.log_base)
 810 else:
 811     elapsed_minutes = elapsed_time / 60.0
 812     print '''
 813
 814 ####################################################################
 815
 816 AUTOBUILD FAILURE
 817
 818 Your autobuild[%s] on %s failed after %.1f minutes
 819 when trying to test %s with the following error:
 820
 821    %s
 822
 823 the autobuild has been abandoned. Please fix the error and resubmit.
 824
 825 ####################################################################
 826
 827 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 828
 829 cleanup()
 830 do_print(errstr)
 831 do_print("Logs in logs.tar.gz")
 832 sys.exit(status)