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     "samba-systemkrb5"  : ".",
  33     "ldb"     : "lib/ldb",
  34     "tdb"     : "lib/tdb",
  35     "talloc"  : "lib/talloc",
  36     "replace" : "lib/replace",
  37     "tevent"  : "lib/tevent",
  38     "pidl"    : "pidl",
  39     "pass"    : ".",
  40     "fail"    : ".",
  41     "retry"   : "."
  42     }
  43
  44 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "samba-systemkrb5", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  45
  46 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  47     defaulttasks.remove("samba-o3")
  48
  49 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  50
  51 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  52 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  53 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  54 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  55 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  56 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  57
  58 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  59     extra_python = ""
  60 else:
  61     extra_python = "--extra-python=/usr/bin/python3"
  62
  63 tasks = {
  64     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  65                ("configure", "./configure ${PREFIX}", "text/plain"),
  66                ("make", "make all", "text/plain"),
  67                ("install", "make install", "text/plain"),
  68                ("test", "make autotest", "text/plain"),
  69                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  70                ("clean", "make clean", "text/plain") ],
  71
  72     # We have 'test' before 'install' because, 'test' should work without 'install'
  73     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  74                 ("make", "make -j", "text/plain"),
  75                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  76                 ("install", "make install", "text/plain"),
  77                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  78                 ("clean", "make clean", "text/plain") ],
  79
  80     "samba-test-only" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab  --abi-check-disable" + samba_configure_params, "text/plain"),
  81                           ("make", "make -j", "text/plain"),
  82                           ("test", "make test FAIL_IMMEDIATELY=1 TESTS=${TESTS}", "text/plain") ],
  83
  84     # Test cross-compile infrastructure
  85     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  86                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  87                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  88                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  89                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  90                    ("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")],
  91
  92     # test build with -O3 -- catches extra warnings and bugs
  93     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  94                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab --abi-check-disable" + samba_configure_params, "text/plain"),
  95                    ("make", "make -j", "text/plain"),
  96                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='\(ad_dc\)'", "text/plain"),
  97                    ("install", "make install", "text/plain"),
  98                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  99                    ("clean", "make clean", "text/plain") ],
 100
 101     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 102
 103                      # make sure we have tdb around:
 104                      ("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 ${PREFIX}", "text/plain"),
 105                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 106                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 107
 108
 109                      # build samba with cluster support (also building ctdb):
 110                      ("samba-configure", "PYTHONPATH=${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"),
 111                      ("samba-make", "make", "text/plain"),
 112                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 113                      ("samba-install", "make install", "text/plain"),
 114                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 115
 116                      # clean up:
 117                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 118                      ("clean", "make clean", "text/plain"),
 119                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 120
 121     "samba-libs" : [
 122                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 123                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 124                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 125                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 126
 127                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 128                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 129                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 130
 131                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 132                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 133                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 134
 135                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 136                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 137                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 138
 139                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 140                       ("nondevel-make", "make -j", "text/plain"),
 141                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 142                       ("nondevel-install", "make install", "text/plain"),
 143                       ("nondevel-dist", "make dist", "text/plain"),
 144
 145                       # retry with all modules shared
 146                       ("allshared-distclean", "make distclean", "text/plain"),
 147                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 148                       ("allshared-make", "make -j", "text/plain")],
 149
 150     "samba-static" : [
 151                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 152                       # build with all modules static
 153                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 154                       ("allstatic-make", "make -j", "text/plain"),
 155
 156                       # retry without any required modules
 157                       ("none-distclean", "make distclean", "text/plain"),
 158                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 159                       ("none-make", "make -j", "text/plain"),
 160
 161                       # retry with nonshared smbd and smbtorture
 162                       ("nonshared-distclean", "make distclean", "text/plain"),
 163                       ("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"),
 164                       ("nonshared-make", "make -j", "text/plain")],
 165
 166     "samba-systemkrb5" : [
 167                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 168                       ("configure", "./configure.developer " + samba_configure_params + " --with-system-mitkrb5 --without-ad-dc", "text/plain"),
 169                       ("make", "make -j", "text/plain"),
 170                       # we currently cannot run a full make test, a limited list of tests could be run
 171                       # via "make test TESTS=sometests"
 172                       # ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
 173                       ("install", "make install", "text/plain"),
 174                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 175                       ("clean", "make clean", "text/plain")
 176                       ],
 177
 178
 179
 180     "ldb" : [
 181               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 182               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 183               ("make", "make", "text/plain"),
 184               ("install", "make install", "text/plain"),
 185               ("test", "make test", "text/plain"),
 186               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 187               ("distcheck", "make distcheck", "text/plain"),
 188               ("clean", "make clean", "text/plain") ],
 189
 190     "tdb" : [
 191               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 192               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 193               ("make", "make", "text/plain"),
 194               ("install", "make install", "text/plain"),
 195               ("test", "make test", "text/plain"),
 196               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 197               ("distcheck", "make distcheck", "text/plain"),
 198               ("clean", "make clean", "text/plain") ],
 199
 200     "talloc" : [
 201                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 202                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 203                  ("make", "make", "text/plain"),
 204                  ("install", "make install", "text/plain"),
 205                  ("test", "make test", "text/plain"),
 206                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 207                  ("distcheck", "make distcheck", "text/plain"),
 208                  ("clean", "make clean", "text/plain") ],
 209
 210     "replace" : [
 211                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 212                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 213                   ("make", "make", "text/plain"),
 214                   ("install", "make install", "text/plain"),
 215                   ("test", "make test", "text/plain"),
 216                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 217                   ("distcheck", "make distcheck", "text/plain"),
 218                   ("clean", "make clean", "text/plain") ],
 219
 220     "tevent" : [
 221                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 222                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 223                  ("make", "make", "text/plain"),
 224                  ("install", "make install", "text/plain"),
 225                  ("test", "make test", "text/plain"),
 226                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 227                  ("distcheck", "make distcheck", "text/plain"),
 228                  ("clean", "make clean", "text/plain") ],
 229
 230     "pidl" : [
 231                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 232                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 233                ("touch", "touch *.yp", "text/plain"),
 234                ("make", "make", "text/plain"),
 235                ("test", "make test", "text/plain"),
 236                ("install", "make install", "text/plain"),
 237                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 238                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 239                ("clean", "make clean", "text/plain") ],
 240
 241     # these are useful for debugging autobuild
 242     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 243     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 244 }
 245
 246 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 247     if show is None:
 248         show = options.verbose
 249     if show:
 250         print("Running: '%s' in '%s'" % (cmd, dir))
 251     if output:
 252         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 253     elif checkfail:
 254         return check_call(cmd, shell=True, cwd=dir)
 255     else:
 256         return call(cmd, shell=True, cwd=dir)
 257
 258
 259 class builder(object):
 260     '''handle build of one directory'''
 261
 262     def __init__(self, name, sequence, cp=True):
 263         self.name = name
 264         self.dir = builddirs[name]
 265
 266         self.tag = self.name.replace('/', '_')
 267         self.sequence = sequence
 268         self.next = 0
 269         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 270         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 271         if options.verbose:
 272             print("stdout for %s in %s" % (self.name, self.stdout_path))
 273             print("stderr for %s in %s" % (self.name, self.stderr_path))
 274         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 275         self.stdout = open(self.stdout_path, 'w')
 276         self.stderr = open(self.stderr_path, 'w')
 277         self.stdin  = open("/dev/null", 'r')
 278         self.sdir = "%s/%s" % (testbase, self.tag)
 279         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 280         run_cmd("rm -rf %s" % self.sdir)
 281         cleanup_list.append(self.sdir)
 282         cleanup_list.append(self.prefix)
 283         os.makedirs(self.sdir)
 284         run_cmd("rm -rf %s" % self.sdir)
 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             print '%s: Completed OK' % self.name
 294             self.done = True
 295             return
 296         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 297         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 298         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 299         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 300         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 301         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 302 #        if self.output_mime_type == "text/x-subunit":
 303 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 304         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 305         cwd = os.getcwd()
 306         os.chdir("%s/%s" % (self.sdir, self.dir))
 307         self.proc = Popen(self.cmd, shell=True,
 308                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 309         os.chdir(cwd)
 310         self.next += 1
 311
 312
 313 class buildlist(object):
 314     '''handle build of multiple directories'''
 315
 316     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 317         global tasks
 318         self.tlist = []
 319         self.tail_proc = None
 320         self.retry = None
 321         if tasknames == []:
 322             if options.restrict_tests:
 323                 tasknames = ["samba-test-only"]
 324             else:
 325                 tasknames = defaulttasks
 326         else:
 327             # If we are only running one test,
 328             # do not sleep randomly to wait for it to start
 329             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 330
 331         for n in tasknames:
 332             b = builder(n, tasks[n], cp=n is not "pidl")
 333             self.tlist.append(b)
 334         if options.retry:
 335             rebase_remote = "rebaseon"
 336             retry_task = [ ("retry",
 337                             '''set -e
 338                             git remote add -t %s %s %s
 339                             git fetch %s
 340                             while :; do
 341                               sleep 60
 342                               git describe %s/%s > old_remote_branch.desc
 343                               git fetch %s
 344                               git describe %s/%s > remote_branch.desc
 345                               diff old_remote_branch.desc remote_branch.desc
 346                             done
 347                            ''' % (
 348                                rebase_branch, rebase_remote, rebase_url,
 349                                rebase_remote,
 350                                rebase_remote, rebase_branch,
 351                                rebase_remote,
 352                                rebase_remote, rebase_branch
 353                            ),
 354                            "test/plain" ) ]
 355
 356             self.retry = builder('retry', retry_task, cp=False)
 357             self.need_retry = False
 358
 359     def kill_kids(self):
 360         if self.tail_proc is not None:
 361             self.tail_proc.terminate()
 362             self.tail_proc.wait()
 363             self.tail_proc = None
 364         if self.retry is not None:
 365             self.retry.proc.terminate()
 366             self.retry.proc.wait()
 367             self.retry = None
 368         for b in self.tlist:
 369             if b.proc is not None:
 370                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 371                 b.proc.terminate()
 372                 b.proc.wait()
 373                 b.proc = None
 374
 375     def wait_one(self):
 376         while True:
 377             none_running = True
 378             for b in self.tlist:
 379                 if b.proc is None:
 380                     continue
 381                 none_running = False
 382                 b.status = b.proc.poll()
 383                 if b.status is None:
 384                     continue
 385                 b.proc = None
 386                 return b
 387             if options.retry:
 388                 ret = self.retry.proc.poll()
 389                 if ret is not None:
 390                     self.need_retry = True
 391                     self.retry = None
 392                     return None
 393             if none_running:
 394                 return None
 395             time.sleep(0.1)
 396
 397     def run(self):
 398         while True:
 399             b = self.wait_one()
 400             if options.retry and self.need_retry:
 401                 self.kill_kids()
 402                 print("retry needed")
 403                 return (0, None, None, None, "retry")
 404             if b is None:
 405                 break
 406             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 407                 self.kill_kids()
 408                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 409             b.start_next()
 410         self.kill_kids()
 411         return (0, None, None, None, "All OK")
 412
 413     def write_system_info(self):
 414         filename = 'system-info.txt'
 415         f = open(filename, 'w')
 416         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 417             print >>f, '### %s' % cmd
 418             print >>f, run_cmd(cmd, output=True, checkfail=False)
 419             print >>f
 420         f.close()
 421         return filename
 422
 423     def tarlogs(self, fname):
 424         tar = tarfile.open(fname, "w:gz")
 425         for b in self.tlist:
 426             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 427             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 428         if os.path.exists("autobuild.log"):
 429             tar.add("autobuild.log")
 430         sys_info = self.write_system_info()
 431         tar.add(sys_info)
 432         tar.close()
 433
 434     def remove_logs(self):
 435         for b in self.tlist:
 436             os.unlink(b.stdout_path)
 437             os.unlink(b.stderr_path)
 438
 439     def start_tail(self):
 440         cwd = os.getcwd()
 441         cmd = "tail -f *.stdout *.stderr"
 442         os.chdir(gitroot)
 443         self.tail_proc = Popen(cmd, shell=True)
 444         os.chdir(cwd)
 445
 446
 447 def cleanup():
 448     if options.nocleanup:
 449         return
 450     print("Cleaning up ....")
 451     for d in cleanup_list:
 452         run_cmd("rm -rf %s" % d)
 453
 454
 455 def find_git_root():
 456     '''get to the top of the git repo'''
 457     p=os.getcwd()
 458     while p != '/':
 459         if os.path.isdir(os.path.join(p, ".git")):
 460             return p
 461         p = os.path.abspath(os.path.join(p, '..'))
 462     return None
 463
 464
 465 def daemonize(logfile):
 466     pid = os.fork()
 467     if pid == 0: # Parent
 468         os.setsid()
 469         pid = os.fork()
 470         if pid != 0: # Actual daemon
 471             os._exit(0)
 472     else: # Grandparent
 473         os._exit(0)
 474
 475     import resource      # Resource usage information.
 476     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 477     if maxfd == resource.RLIM_INFINITY:
 478         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 479     for fd in range(0, maxfd):
 480         try:
 481             os.close(fd)
 482         except OSError:
 483             pass
 484     os.open(logfile, os.O_RDWR | os.O_CREAT)
 485     os.dup2(0, 1)
 486     os.dup2(0, 2)
 487
 488 def write_pidfile(fname):
 489     '''write a pid file, cleanup on exit'''
 490     f = open(fname, mode='w')
 491     f.write("%u\n" % os.getpid())
 492     f.close()
 493
 494
 495 def rebase_tree(rebase_url, rebase_branch = "master"):
 496     rebase_remote = "rebaseon"
 497     print("Rebasing on %s" % rebase_url)
 498     run_cmd("git describe HEAD", show=True, dir=test_master)
 499     run_cmd("git remote add -t %s %s %s" %
 500             (rebase_branch, rebase_remote, rebase_url),
 501             show=True, dir=test_master)
 502     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 503     if options.fix_whitespace:
 504         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 505                 (rebase_remote, rebase_branch),
 506                 show=True, dir=test_master)
 507     else:
 508         run_cmd("git rebase --force-rebase %s/%s" %
 509                 (rebase_remote, rebase_branch),
 510                 show=True, dir=test_master)
 511     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 512                    (rebase_remote, rebase_branch),
 513                    dir=test_master, output=True)
 514     if diff == '':
 515         print("No differences between HEAD and %s/%s - exiting" %
 516               (rebase_remote, rebase_branch))
 517         sys.exit(0)
 518     run_cmd("git describe %s/%s" %
 519             (rebase_remote, rebase_branch),
 520             show=True, dir=test_master)
 521     run_cmd("git describe HEAD", show=True, dir=test_master)
 522     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 523             (rebase_remote, rebase_branch),
 524             show=True, dir=test_master)
 525
 526 def push_to(push_url, push_branch = "master"):
 527     push_remote = "pushto"
 528     print("Pushing to %s" % push_url)
 529     if options.mark:
 530         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 531         run_cmd("git commit --amend -c HEAD", dir=test_master)
 532         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 533         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 534     run_cmd("git remote add -t %s %s %s" %
 535             (push_branch, push_remote, push_url),
 536             show=True, dir=test_master)
 537     run_cmd("git push %s +HEAD:%s" %
 538             (push_remote, push_branch),
 539             show=True, dir=test_master)
 540
 541 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 542
 543 gitroot = find_git_root()
 544 if gitroot is None:
 545     raise Exception("Failed to find git root")
 546
 547 parser = OptionParser()
 548 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 549 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 550 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 551 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 552                   default=def_testbase)
 553 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 554 parser.add_option("", "--verbose", help="show all commands as they are run",
 555                   default=False, action="store_true")
 556 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 557                   default=None, type='str')
 558 parser.add_option("", "--pushto", help="push to a git url on success",
 559                   default=None, type='str')
 560 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 561                   default=False, action="store_true")
 562 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 563                   default=False, action="store_true")
 564 parser.add_option("", "--retry", help="automatically retry if master changes",
 565                   default=False, action="store_true")
 566 parser.add_option("", "--email", help="send email to the given address on failure",
 567                   type='str', default=None)
 568 parser.add_option("", "--email-from", help="send email from the given address",
 569                   type='str', default="autobuild@samba.org")
 570 parser.add_option("", "--email-server", help="send email via the given server",
 571                   type='str', default='localhost')
 572 parser.add_option("", "--always-email", help="always send email, even on success",
 573                   action="store_true")
 574 parser.add_option("", "--daemon", help="daemonize after initial setup",
 575                   action="store_true")
 576 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 577                   default="master", type='str')
 578 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 579                   default=gitroot, type='str')
 580 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 581                   default=False, action="store_true")
 582 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 583                   default='')
 584
 585 def send_email(subject, text, log_tar):
 586     outer = MIMEMultipart()
 587     outer['Subject'] = subject
 588     outer['To'] = options.email
 589     outer['From'] = options.email_from
 590     outer['Date'] = email.utils.formatdate(localtime = True)
 591     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 592     outer.attach(MIMEText(text, 'plain'))
 593     if options.attach_logs:
 594         fp = open(log_tar, 'rb')
 595         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 596         fp.close()
 597         # Set the filename parameter
 598         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 599         outer.attach(msg)
 600     content = outer.as_string()
 601     s = smtplib.SMTP(options.email_server)
 602     s.sendmail(options.email_from, [options.email], content)
 603     s.set_debuglevel(1)
 604     s.quit()
 605
 606 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 607                   elapsed_time, log_base=None, add_log_tail=True):
 608     '''send an email to options.email about the failure'''
 609     elapsed_minutes = elapsed_time / 60.0
 610     user = os.getenv("USER")
 611     if log_base is None:
 612         log_base = gitroot
 613     text = '''
 614 Dear Developer,
 615
 616 Your autobuild on %s failed after %.1f minutes
 617 when trying to test %s with the following error:
 618
 619    %s
 620
 621 the autobuild has been abandoned. Please fix the error and resubmit.
 622
 623 A summary of the autobuild process is here:
 624
 625   %s/autobuild.log
 626 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 627
 628     if options.restrict_tests:
 629         text += """
 630 The build was restricted to tests matching %s\n""" % options.restrict_tests
 631
 632     if failed_task != 'rebase':
 633         text += '''
 634 You can see logs of the failed task here:
 635
 636   %s/%s.stdout
 637   %s/%s.stderr
 638
 639 or you can get full logs of all tasks in this job here:
 640
 641   %s/logs.tar.gz
 642
 643 The top commit for the tree that was built was:
 644
 645 %s
 646
 647 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 648
 649     if add_log_tail:
 650         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 651         lines = f.readlines()
 652         log_tail = "".join(lines[-50:])
 653         num_lines = len(lines)
 654         if num_lines < 50:
 655             # Also include stderr (compile failures) if < 50 lines of stdout
 656             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 657             log_tail += "".join(f.readlines()[-(50-num_lines):])
 658
 659         text += '''
 660 The last 50 lines of log messages:
 661
 662 %s
 663     ''' % log_tail
 664         f.close()
 665
 666     logs = os.path.join(gitroot, 'logs.tar.gz')
 667     send_email('autobuild[%s] failure on %s for task %s during %s'
 668                % (options.branch, platform.node(), failed_task, failed_stage),
 669                text, logs)
 670
 671 def email_success(elapsed_time, log_base=None):
 672     '''send an email to options.email about a successful build'''
 673     user = os.getenv("USER")
 674     if log_base is None:
 675         log_base = gitroot
 676     text = '''
 677 Dear Developer,
 678
 679 Your autobuild on %s has succeeded after %.1f minutes.
 680
 681 ''' % (platform.node(), elapsed_time / 60.)
 682
 683     if options.restrict_tests:
 684         text += """
 685 The build was restricted to tests matching %s\n""" % options.restrict_tests
 686
 687     if options.keeplogs:
 688         text += '''
 689
 690 you can get full logs of all tasks in this job here:
 691
 692   %s/logs.tar.gz
 693
 694 ''' % log_base
 695
 696     text += '''
 697 The top commit for the tree that was built was:
 698
 699 %s
 700 ''' % top_commit_msg
 701
 702     logs = os.path.join(gitroot, 'logs.tar.gz')
 703     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 704                text, logs)
 705
 706
 707 (options, args) = parser.parse_args()
 708
 709 if options.retry:
 710     if options.rebase is None:
 711         raise Exception('You can only use --retry if you also rebase')
 712
 713 testbase = "%s/b%u" % (options.testbase, os.getpid())
 714 test_master = "%s/master" % testbase
 715
 716 # get the top commit message, for emails
 717 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 718
 719 try:
 720     os.makedirs(testbase)
 721 except Exception, reason:
 722     raise Exception("Unable to create %s : %s" % (testbase, reason))
 723 cleanup_list.append(testbase)
 724
 725 if options.daemon:
 726     logfile = os.path.join(testbase, "log")
 727     print "Forking into the background, writing progress to %s" % logfile
 728     daemonize(logfile)
 729
 730 write_pidfile(gitroot + "/autobuild.pid")
 731
 732 start_time = time.time()
 733
 734 while True:
 735     try:
 736         run_cmd("rm -rf %s" % test_master)
 737         cleanup_list.append(test_master)
 738         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 739     except Exception:
 740         cleanup()
 741         raise
 742
 743     try:
 744         try:
 745             if options.rebase is not None:
 746                 rebase_tree(options.rebase, rebase_branch=options.branch)
 747         except Exception:
 748             cleanup_list.append(gitroot + "/autobuild.pid")
 749             cleanup()
 750             elapsed_time = time.time() - start_time
 751             email_failure(-1, 'rebase', 'rebase', 'rebase',
 752                           'rebase on %s failed' % options.branch,
 753                           elapsed_time, log_base=options.log_base)
 754             sys.exit(1)
 755         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 756         if options.tail:
 757             blist.start_tail()
 758         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 759         if status != 0 or errstr != "retry":
 760             break
 761         cleanup()
 762     except Exception:
 763         cleanup()
 764         raise
 765
 766 cleanup_list.append(gitroot + "/autobuild.pid")
 767
 768 blist.kill_kids()
 769 if options.tail:
 770     print("waiting for tail to flush")
 771     time.sleep(1)
 772
 773 elapsed_time = time.time() - start_time
 774 if status == 0:
 775     print errstr
 776     if options.passcmd is not None:
 777         print("Running passcmd: %s" % options.passcmd)
 778         run_cmd(options.passcmd, dir=test_master)
 779     if options.pushto is not None:
 780         push_to(options.pushto, push_branch=options.branch)
 781     if options.keeplogs or options.attach_logs:
 782         blist.tarlogs("logs.tar.gz")
 783         print("Logs in logs.tar.gz")
 784     if options.always_email:
 785         email_success(elapsed_time, log_base=options.log_base)
 786     blist.remove_logs()
 787     cleanup()
 788     print(errstr)
 789     sys.exit(0)
 790
 791 # something failed, gather a tar of the logs
 792 blist.tarlogs("logs.tar.gz")
 793
 794 if options.email is not None:
 795     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 796                   elapsed_time, log_base=options.log_base)
 797 else:
 798     elapsed_minutes = elapsed_time / 60.0
 799     print '''
 800
 801 ####################################################################
 802
 803 AUTOBUILD FAILURE
 804
 805 Your autobuild[%s] on %s failed after %.1f minutes
 806 when trying to test %s with the following error:
 807
 808    %s
 809
 810 the autobuild has been abandoned. Please fix the error and resubmit.
 811
 812 ####################################################################
 813
 814 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 815
 816 cleanup()
 817 print(errstr)
 818 print("Logs in logs.tar.gz")
 819 sys.exit(status)