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 run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 250     if show is None:
 251         show = options.verbose
 252     if show:
 253         print("Running: '%s' in '%s'" % (cmd, dir))
 254     if output:
 255         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 256     elif checkfail:
 257         return check_call(cmd, shell=True, cwd=dir)
 258     else:
 259         return call(cmd, shell=True, cwd=dir)
 260
 261
 262 class builder(object):
 263     '''handle build of one directory'''
 264
 265     def __init__(self, name, sequence, cp=True):
 266         self.name = name
 267         self.dir = builddirs[name]
 268
 269         self.tag = self.name.replace('/', '_')
 270         self.sequence = sequence
 271         self.next = 0
 272         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 273         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 274         if options.verbose:
 275             print("stdout for %s in %s" % (self.name, self.stdout_path))
 276             print("stderr for %s in %s" % (self.name, self.stderr_path))
 277         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 278         self.stdout = open(self.stdout_path, 'w')
 279         self.stderr = open(self.stderr_path, 'w')
 280         self.stdin  = open("/dev/null", 'r')
 281         self.sdir = "%s/%s" % (testbase, self.tag)
 282         self.prefix = "%s/%s" % (test_prefix, self.tag)
 283         run_cmd("rm -rf %s" % self.sdir)
 284         run_cmd("rm -rf %s" % self.prefix)
 285         if cp:
 286             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 287         else:
 288             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 289         self.start_next()
 290
 291     def start_next(self):
 292         if self.next == len(self.sequence):
 293             if not options.nocleanup:
 294                 run_cmd("rm -rf %s" % self.sdir)
 295                 run_cmd("rm -rf %s" % self.prefix)
 296             print '%s: Completed OK' % self.name
 297             self.done = True
 298             return
 299         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 300         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 301         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 302         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 303         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 304         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 305 #        if self.output_mime_type == "text/x-subunit":
 306 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 307         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 308         cwd = os.getcwd()
 309         os.chdir("%s/%s" % (self.sdir, self.dir))
 310         self.proc = Popen(self.cmd, shell=True,
 311                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 312         os.chdir(cwd)
 313         self.next += 1
 314
 315
 316 class buildlist(object):
 317     '''handle build of multiple directories'''
 318
 319     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 320         global tasks
 321         self.tlist = []
 322         self.tail_proc = None
 323         self.retry = None
 324         if tasknames == []:
 325             if options.restrict_tests:
 326                 tasknames = ["samba-test-only"]
 327             else:
 328                 tasknames = defaulttasks
 329         else:
 330             # If we are only running one test,
 331             # do not sleep randomly to wait for it to start
 332             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 333
 334         for n in tasknames:
 335             b = builder(n, tasks[n], cp=n is not "pidl")
 336             self.tlist.append(b)
 337         if options.retry:
 338             rebase_remote = "rebaseon"
 339             retry_task = [ ("retry",
 340                             '''set -e
 341                             git remote add -t %s %s %s
 342                             git fetch %s
 343                             while :; do
 344                               sleep 60
 345                               git describe %s/%s > old_remote_branch.desc
 346                               git fetch %s
 347                               git describe %s/%s > remote_branch.desc
 348                               diff old_remote_branch.desc remote_branch.desc
 349                             done
 350                            ''' % (
 351                                rebase_branch, rebase_remote, rebase_url,
 352                                rebase_remote,
 353                                rebase_remote, rebase_branch,
 354                                rebase_remote,
 355                                rebase_remote, rebase_branch
 356                            ),
 357                            "test/plain" ) ]
 358
 359             self.retry = builder('retry', retry_task, cp=False)
 360             self.need_retry = False
 361
 362     def kill_kids(self):
 363         if self.tail_proc is not None:
 364             self.tail_proc.terminate()
 365             self.tail_proc.wait()
 366             self.tail_proc = None
 367         if self.retry is not None:
 368             self.retry.proc.terminate()
 369             self.retry.proc.wait()
 370             self.retry = None
 371         for b in self.tlist:
 372             if b.proc is not None:
 373                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 374                 b.proc.terminate()
 375                 b.proc.wait()
 376                 b.proc = None
 377
 378     def wait_one(self):
 379         while True:
 380             none_running = True
 381             for b in self.tlist:
 382                 if b.proc is None:
 383                     continue
 384                 none_running = False
 385                 b.status = b.proc.poll()
 386                 if b.status is None:
 387                     continue
 388                 b.proc = None
 389                 return b
 390             if options.retry:
 391                 ret = self.retry.proc.poll()
 392                 if ret is not None:
 393                     self.need_retry = True
 394                     self.retry = None
 395                     return None
 396             if none_running:
 397                 return None
 398             time.sleep(0.1)
 399
 400     def run(self):
 401         while True:
 402             b = self.wait_one()
 403             if options.retry and self.need_retry:
 404                 self.kill_kids()
 405                 print("retry needed")
 406                 return (0, None, None, None, "retry")
 407             if b is None:
 408                 break
 409             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 410                 self.kill_kids()
 411                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 412             b.start_next()
 413         self.kill_kids()
 414         return (0, None, None, None, "All OK")
 415
 416     def write_system_info(self):
 417         filename = 'system-info.txt'
 418         f = open(filename, 'w')
 419         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 420             print >>f, '### %s' % cmd
 421             print >>f, run_cmd(cmd, output=True, checkfail=False)
 422             print >>f
 423         f.close()
 424         return filename
 425
 426     def tarlogs(self, fname):
 427         tar = tarfile.open(fname, "w:gz")
 428         for b in self.tlist:
 429             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 430             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 431         if os.path.exists("autobuild.log"):
 432             tar.add("autobuild.log")
 433         sys_info = self.write_system_info()
 434         tar.add(sys_info)
 435         tar.close()
 436
 437     def remove_logs(self):
 438         for b in self.tlist:
 439             os.unlink(b.stdout_path)
 440             os.unlink(b.stderr_path)
 441
 442     def start_tail(self):
 443         cwd = os.getcwd()
 444         cmd = "tail -f *.stdout *.stderr"
 445         os.chdir(gitroot)
 446         self.tail_proc = Popen(cmd, shell=True)
 447         os.chdir(cwd)
 448
 449
 450 def cleanup():
 451     if options.nocleanup:
 452         return
 453     print("Cleaning up ....")
 454     for d in cleanup_list:
 455         run_cmd("rm -rf %s" % d)
 456
 457
 458 def find_git_root():
 459     '''get to the top of the git repo'''
 460     p=os.getcwd()
 461     while p != '/':
 462         if os.path.isdir(os.path.join(p, ".git")):
 463             return p
 464         p = os.path.abspath(os.path.join(p, '..'))
 465     return None
 466
 467
 468 def daemonize(logfile):
 469     pid = os.fork()
 470     if pid == 0: # Parent
 471         os.setsid()
 472         pid = os.fork()
 473         if pid != 0: # Actual daemon
 474             os._exit(0)
 475     else: # Grandparent
 476         os._exit(0)
 477
 478     import resource      # Resource usage information.
 479     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 480     if maxfd == resource.RLIM_INFINITY:
 481         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 482     for fd in range(0, maxfd):
 483         try:
 484             os.close(fd)
 485         except OSError:
 486             pass
 487     os.open(logfile, os.O_RDWR | os.O_CREAT)
 488     os.dup2(0, 1)
 489     os.dup2(0, 2)
 490
 491 def write_pidfile(fname):
 492     '''write a pid file, cleanup on exit'''
 493     f = open(fname, mode='w')
 494     f.write("%u\n" % os.getpid())
 495     f.close()
 496
 497
 498 def rebase_tree(rebase_url, rebase_branch = "master"):
 499     rebase_remote = "rebaseon"
 500     print("Rebasing on %s" % rebase_url)
 501     run_cmd("git describe HEAD", show=True, dir=test_master)
 502     run_cmd("git remote add -t %s %s %s" %
 503             (rebase_branch, rebase_remote, rebase_url),
 504             show=True, dir=test_master)
 505     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 506     if options.fix_whitespace:
 507         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 508                 (rebase_remote, rebase_branch),
 509                 show=True, dir=test_master)
 510     else:
 511         run_cmd("git rebase --force-rebase %s/%s" %
 512                 (rebase_remote, rebase_branch),
 513                 show=True, dir=test_master)
 514     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 515                    (rebase_remote, rebase_branch),
 516                    dir=test_master, output=True)
 517     if diff == '':
 518         print("No differences between HEAD and %s/%s - exiting" %
 519               (rebase_remote, rebase_branch))
 520         sys.exit(0)
 521     run_cmd("git describe %s/%s" %
 522             (rebase_remote, rebase_branch),
 523             show=True, dir=test_master)
 524     run_cmd("git describe HEAD", show=True, dir=test_master)
 525     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 526             (rebase_remote, rebase_branch),
 527             show=True, dir=test_master)
 528
 529 def push_to(push_url, push_branch = "master"):
 530     push_remote = "pushto"
 531     print("Pushing to %s" % push_url)
 532     if options.mark:
 533         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 534         run_cmd("git commit --amend -c HEAD", dir=test_master)
 535         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 536         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 537     run_cmd("git remote add -t %s %s %s" %
 538             (push_branch, push_remote, push_url),
 539             show=True, dir=test_master)
 540     run_cmd("git push %s +HEAD:%s" %
 541             (push_remote, push_branch),
 542             show=True, dir=test_master)
 543
 544 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 545
 546 gitroot = find_git_root()
 547 if gitroot is None:
 548     raise Exception("Failed to find git root")
 549
 550 parser = OptionParser()
 551 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 552 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 553 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 554 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 555                   default=def_testbase)
 556 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 557 parser.add_option("", "--verbose", help="show all commands as they are run",
 558                   default=False, action="store_true")
 559 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 560                   default=None, type='str')
 561 parser.add_option("", "--pushto", help="push to a git url on success",
 562                   default=None, type='str')
 563 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 564                   default=False, action="store_true")
 565 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 566                   default=False, action="store_true")
 567 parser.add_option("", "--retry", help="automatically retry if master changes",
 568                   default=False, action="store_true")
 569 parser.add_option("", "--email", help="send email to the given address on failure",
 570                   type='str', default=None)
 571 parser.add_option("", "--email-from", help="send email from the given address",
 572                   type='str', default="autobuild@samba.org")
 573 parser.add_option("", "--email-server", help="send email via the given server",
 574                   type='str', default='localhost')
 575 parser.add_option("", "--always-email", help="always send email, even on success",
 576                   action="store_true")
 577 parser.add_option("", "--daemon", help="daemonize after initial setup",
 578                   action="store_true")
 579 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 580                   default="master", type='str')
 581 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 582                   default=gitroot, type='str')
 583 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 584                   default=False, action="store_true")
 585 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 586                   default='')
 587
 588 def send_email(subject, text, log_tar):
 589     outer = MIMEMultipart()
 590     outer['Subject'] = subject
 591     outer['To'] = options.email
 592     outer['From'] = options.email_from
 593     outer['Date'] = email.utils.formatdate(localtime = True)
 594     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 595     outer.attach(MIMEText(text, 'plain'))
 596     if options.attach_logs:
 597         fp = open(log_tar, 'rb')
 598         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 599         fp.close()
 600         # Set the filename parameter
 601         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 602         outer.attach(msg)
 603     content = outer.as_string()
 604     s = smtplib.SMTP(options.email_server)
 605     s.sendmail(options.email_from, [options.email], content)
 606     s.set_debuglevel(1)
 607     s.quit()
 608
 609 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 610                   elapsed_time, log_base=None, add_log_tail=True):
 611     '''send an email to options.email about the failure'''
 612     elapsed_minutes = elapsed_time / 60.0
 613     user = os.getenv("USER")
 614     if log_base is None:
 615         log_base = gitroot
 616     text = '''
 617 Dear Developer,
 618
 619 Your autobuild on %s failed after %.1f minutes
 620 when trying to test %s with the following error:
 621
 622    %s
 623
 624 the autobuild has been abandoned. Please fix the error and resubmit.
 625
 626 A summary of the autobuild process is here:
 627
 628   %s/autobuild.log
 629 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 630
 631     if options.restrict_tests:
 632         text += """
 633 The build was restricted to tests matching %s\n""" % options.restrict_tests
 634
 635     if failed_task != 'rebase':
 636         text += '''
 637 You can see logs of the failed task here:
 638
 639   %s/%s.stdout
 640   %s/%s.stderr
 641
 642 or you can get full logs of all tasks in this job here:
 643
 644   %s/logs.tar.gz
 645
 646 The top commit for the tree that was built was:
 647
 648 %s
 649
 650 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 651
 652     if add_log_tail:
 653         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 654         lines = f.readlines()
 655         log_tail = "".join(lines[-50:])
 656         num_lines = len(lines)
 657         if num_lines < 50:
 658             # Also include stderr (compile failures) if < 50 lines of stdout
 659             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 660             log_tail += "".join(f.readlines()[-(50-num_lines):])
 661
 662         text += '''
 663 The last 50 lines of log messages:
 664
 665 %s
 666     ''' % log_tail
 667         f.close()
 668
 669     logs = os.path.join(gitroot, 'logs.tar.gz')
 670     send_email('autobuild[%s] failure on %s for task %s during %s'
 671                % (options.branch, platform.node(), failed_task, failed_stage),
 672                text, logs)
 673
 674 def email_success(elapsed_time, log_base=None):
 675     '''send an email to options.email about a successful build'''
 676     user = os.getenv("USER")
 677     if log_base is None:
 678         log_base = gitroot
 679     text = '''
 680 Dear Developer,
 681
 682 Your autobuild on %s has succeeded after %.1f minutes.
 683
 684 ''' % (platform.node(), elapsed_time / 60.)
 685
 686     if options.restrict_tests:
 687         text += """
 688 The build was restricted to tests matching %s\n""" % options.restrict_tests
 689
 690     if options.keeplogs:
 691         text += '''
 692
 693 you can get full logs of all tasks in this job here:
 694
 695   %s/logs.tar.gz
 696
 697 ''' % log_base
 698
 699     text += '''
 700 The top commit for the tree that was built was:
 701
 702 %s
 703 ''' % top_commit_msg
 704
 705     logs = os.path.join(gitroot, 'logs.tar.gz')
 706     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 707                text, logs)
 708
 709
 710 (options, args) = parser.parse_args()
 711
 712 if options.retry:
 713     if options.rebase is None:
 714         raise Exception('You can only use --retry if you also rebase')
 715
 716 testbase = "%s/b%u" % (options.testbase, os.getpid())
 717 test_master = "%s/master" % testbase
 718 test_prefix = "%s/prefix" % testbase
 719 test_tmpdir = "%s/tmp" % testbase
 720 os.environ['TMPDIR'] = test_tmpdir
 721
 722 # get the top commit message, for emails
 723 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 724
 725 try:
 726     os.makedirs(testbase)
 727 except Exception, reason:
 728     raise Exception("Unable to create %s : %s" % (testbase, reason))
 729 cleanup_list.append(testbase)
 730
 731 if options.daemon:
 732     logfile = os.path.join(testbase, "log")
 733     print "Forking into the background, writing progress to %s" % logfile
 734     daemonize(logfile)
 735
 736 write_pidfile(gitroot + "/autobuild.pid")
 737
 738 start_time = time.time()
 739
 740 while True:
 741     try:
 742         run_cmd("rm -rf %s" % test_master)
 743         run_cmd("rm -rf %s" % test_prefix)
 744         run_cmd("rm -rf %s" % test_tmpdir)
 745         os.makedirs(test_tmpdir)
 746         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 747     except Exception:
 748         cleanup()
 749         raise
 750
 751     try:
 752         try:
 753             if options.rebase is not None:
 754                 rebase_tree(options.rebase, rebase_branch=options.branch)
 755         except Exception:
 756             cleanup_list.append(gitroot + "/autobuild.pid")
 757             cleanup()
 758             elapsed_time = time.time() - start_time
 759             email_failure(-1, 'rebase', 'rebase', 'rebase',
 760                           'rebase on %s failed' % options.branch,
 761                           elapsed_time, log_base=options.log_base)
 762             sys.exit(1)
 763         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 764         if options.tail:
 765             blist.start_tail()
 766         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 767         if status != 0 or errstr != "retry":
 768             break
 769         cleanup()
 770     except Exception:
 771         cleanup()
 772         raise
 773
 774 cleanup_list.append(gitroot + "/autobuild.pid")
 775
 776 blist.kill_kids()
 777 if options.tail:
 778     print("waiting for tail to flush")
 779     time.sleep(1)
 780
 781 elapsed_time = time.time() - start_time
 782 if status == 0:
 783     print errstr
 784     if options.passcmd is not None:
 785         print("Running passcmd: %s" % options.passcmd)
 786         run_cmd(options.passcmd, dir=test_master)
 787     if options.pushto is not None:
 788         push_to(options.pushto, push_branch=options.branch)
 789     if options.keeplogs or options.attach_logs:
 790         blist.tarlogs("logs.tar.gz")
 791         print("Logs in logs.tar.gz")
 792     if options.always_email:
 793         email_success(elapsed_time, log_base=options.log_base)
 794     blist.remove_logs()
 795     cleanup()
 796     print(errstr)
 797     sys.exit(0)
 798
 799 # something failed, gather a tar of the logs
 800 blist.tarlogs("logs.tar.gz")
 801
 802 if options.email is not None:
 803     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 804                   elapsed_time, log_base=options.log_base)
 805 else:
 806     elapsed_minutes = elapsed_time / 60.0
 807     print '''
 808
 809 ####################################################################
 810
 811 AUTOBUILD FAILURE
 812
 813 Your autobuild[%s] on %s failed after %.1f minutes
 814 when trying to test %s with the following error:
 815
 816    %s
 817
 818 the autobuild has been abandoned. Please fix the error and resubmit.
 819
 820 ####################################################################
 821
 822 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 823
 824 cleanup()
 825 print(errstr)
 826 print("Logs in logs.tar.gz")
 827 sys.exit(status)