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 TESTS='samba3.*ktest'", "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/%s" % (test_prefix, self.tag)
 280         run_cmd("rm -rf %s" % self.sdir)
 281         if cp:
 282             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 283         else:
 284             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 285         self.start_next()
 286
 287     def start_next(self):
 288         if self.next == len(self.sequence):
 289             print '%s: Completed OK' % self.name
 290             self.done = True
 291             return
 292         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 293         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 294         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 295         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 296         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 297         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 298 #        if self.output_mime_type == "text/x-subunit":
 299 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 300         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 301         cwd = os.getcwd()
 302         os.chdir("%s/%s" % (self.sdir, self.dir))
 303         self.proc = Popen(self.cmd, shell=True,
 304                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 305         os.chdir(cwd)
 306         self.next += 1
 307
 308
 309 class buildlist(object):
 310     '''handle build of multiple directories'''
 311
 312     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 313         global tasks
 314         self.tlist = []
 315         self.tail_proc = None
 316         self.retry = None
 317         if tasknames == []:
 318             if options.restrict_tests:
 319                 tasknames = ["samba-test-only"]
 320             else:
 321                 tasknames = defaulttasks
 322         else:
 323             # If we are only running one test,
 324             # do not sleep randomly to wait for it to start
 325             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 326
 327         for n in tasknames:
 328             b = builder(n, tasks[n], cp=n is not "pidl")
 329             self.tlist.append(b)
 330         if options.retry:
 331             rebase_remote = "rebaseon"
 332             retry_task = [ ("retry",
 333                             '''set -e
 334                             git remote add -t %s %s %s
 335                             git fetch %s
 336                             while :; do
 337                               sleep 60
 338                               git describe %s/%s > old_remote_branch.desc
 339                               git fetch %s
 340                               git describe %s/%s > remote_branch.desc
 341                               diff old_remote_branch.desc remote_branch.desc
 342                             done
 343                            ''' % (
 344                                rebase_branch, rebase_remote, rebase_url,
 345                                rebase_remote,
 346                                rebase_remote, rebase_branch,
 347                                rebase_remote,
 348                                rebase_remote, rebase_branch
 349                            ),
 350                            "test/plain" ) ]
 351
 352             self.retry = builder('retry', retry_task, cp=False)
 353             self.need_retry = False
 354
 355     def kill_kids(self):
 356         if self.tail_proc is not None:
 357             self.tail_proc.terminate()
 358             self.tail_proc.wait()
 359             self.tail_proc = None
 360         if self.retry is not None:
 361             self.retry.proc.terminate()
 362             self.retry.proc.wait()
 363             self.retry = None
 364         for b in self.tlist:
 365             if b.proc is not None:
 366                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 367                 b.proc.terminate()
 368                 b.proc.wait()
 369                 b.proc = None
 370
 371     def wait_one(self):
 372         while True:
 373             none_running = True
 374             for b in self.tlist:
 375                 if b.proc is None:
 376                     continue
 377                 none_running = False
 378                 b.status = b.proc.poll()
 379                 if b.status is None:
 380                     continue
 381                 b.proc = None
 382                 return b
 383             if options.retry:
 384                 ret = self.retry.proc.poll()
 385                 if ret is not None:
 386                     self.need_retry = True
 387                     self.retry = None
 388                     return None
 389             if none_running:
 390                 return None
 391             time.sleep(0.1)
 392
 393     def run(self):
 394         while True:
 395             b = self.wait_one()
 396             if options.retry and self.need_retry:
 397                 self.kill_kids()
 398                 print("retry needed")
 399                 return (0, None, None, None, "retry")
 400             if b is None:
 401                 break
 402             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 403                 self.kill_kids()
 404                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 405             b.start_next()
 406         self.kill_kids()
 407         return (0, None, None, None, "All OK")
 408
 409     def write_system_info(self):
 410         filename = 'system-info.txt'
 411         f = open(filename, 'w')
 412         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 413             print >>f, '### %s' % cmd
 414             print >>f, run_cmd(cmd, output=True, checkfail=False)
 415             print >>f
 416         f.close()
 417         return filename
 418
 419     def tarlogs(self, fname):
 420         tar = tarfile.open(fname, "w:gz")
 421         for b in self.tlist:
 422             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 423             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 424         if os.path.exists("autobuild.log"):
 425             tar.add("autobuild.log")
 426         sys_info = self.write_system_info()
 427         tar.add(sys_info)
 428         tar.close()
 429
 430     def remove_logs(self):
 431         for b in self.tlist:
 432             os.unlink(b.stdout_path)
 433             os.unlink(b.stderr_path)
 434
 435     def start_tail(self):
 436         cwd = os.getcwd()
 437         cmd = "tail -f *.stdout *.stderr"
 438         os.chdir(gitroot)
 439         self.tail_proc = Popen(cmd, shell=True)
 440         os.chdir(cwd)
 441
 442
 443 def cleanup():
 444     if options.nocleanup:
 445         return
 446     print("Cleaning up ....")
 447     for d in cleanup_list:
 448         run_cmd("rm -rf %s" % d)
 449
 450
 451 def find_git_root():
 452     '''get to the top of the git repo'''
 453     p=os.getcwd()
 454     while p != '/':
 455         if os.path.isdir(os.path.join(p, ".git")):
 456             return p
 457         p = os.path.abspath(os.path.join(p, '..'))
 458     return None
 459
 460
 461 def daemonize(logfile):
 462     pid = os.fork()
 463     if pid == 0: # Parent
 464         os.setsid()
 465         pid = os.fork()
 466         if pid != 0: # Actual daemon
 467             os._exit(0)
 468     else: # Grandparent
 469         os._exit(0)
 470
 471     import resource      # Resource usage information.
 472     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 473     if maxfd == resource.RLIM_INFINITY:
 474         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 475     for fd in range(0, maxfd):
 476         try:
 477             os.close(fd)
 478         except OSError:
 479             pass
 480     os.open(logfile, os.O_RDWR | os.O_CREAT)
 481     os.dup2(0, 1)
 482     os.dup2(0, 2)
 483
 484 def write_pidfile(fname):
 485     '''write a pid file, cleanup on exit'''
 486     f = open(fname, mode='w')
 487     f.write("%u\n" % os.getpid())
 488     f.close()
 489
 490
 491 def rebase_tree(rebase_url, rebase_branch = "master"):
 492     rebase_remote = "rebaseon"
 493     print("Rebasing on %s" % rebase_url)
 494     run_cmd("git describe HEAD", show=True, dir=test_master)
 495     run_cmd("git remote add -t %s %s %s" %
 496             (rebase_branch, rebase_remote, rebase_url),
 497             show=True, dir=test_master)
 498     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 499     if options.fix_whitespace:
 500         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 501                 (rebase_remote, rebase_branch),
 502                 show=True, dir=test_master)
 503     else:
 504         run_cmd("git rebase --force-rebase %s/%s" %
 505                 (rebase_remote, rebase_branch),
 506                 show=True, dir=test_master)
 507     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 508                    (rebase_remote, rebase_branch),
 509                    dir=test_master, output=True)
 510     if diff == '':
 511         print("No differences between HEAD and %s/%s - exiting" %
 512               (rebase_remote, rebase_branch))
 513         sys.exit(0)
 514     run_cmd("git describe %s/%s" %
 515             (rebase_remote, rebase_branch),
 516             show=True, dir=test_master)
 517     run_cmd("git describe HEAD", show=True, dir=test_master)
 518     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 519             (rebase_remote, rebase_branch),
 520             show=True, dir=test_master)
 521
 522 def push_to(push_url, push_branch = "master"):
 523     push_remote = "pushto"
 524     print("Pushing to %s" % push_url)
 525     if options.mark:
 526         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 527         run_cmd("git commit --amend -c HEAD", dir=test_master)
 528         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 529         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 530     run_cmd("git remote add -t %s %s %s" %
 531             (push_branch, push_remote, push_url),
 532             show=True, dir=test_master)
 533     run_cmd("git push %s +HEAD:%s" %
 534             (push_remote, push_branch),
 535             show=True, dir=test_master)
 536
 537 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 538
 539 gitroot = find_git_root()
 540 if gitroot is None:
 541     raise Exception("Failed to find git root")
 542
 543 parser = OptionParser()
 544 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 545 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 546 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 547 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 548                   default=def_testbase)
 549 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 550 parser.add_option("", "--verbose", help="show all commands as they are run",
 551                   default=False, action="store_true")
 552 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 553                   default=None, type='str')
 554 parser.add_option("", "--pushto", help="push to a git url on success",
 555                   default=None, type='str')
 556 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 557                   default=False, action="store_true")
 558 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 559                   default=False, action="store_true")
 560 parser.add_option("", "--retry", help="automatically retry if master changes",
 561                   default=False, action="store_true")
 562 parser.add_option("", "--email", help="send email to the given address on failure",
 563                   type='str', default=None)
 564 parser.add_option("", "--email-from", help="send email from the given address",
 565                   type='str', default="autobuild@samba.org")
 566 parser.add_option("", "--email-server", help="send email via the given server",
 567                   type='str', default='localhost')
 568 parser.add_option("", "--always-email", help="always send email, even on success",
 569                   action="store_true")
 570 parser.add_option("", "--daemon", help="daemonize after initial setup",
 571                   action="store_true")
 572 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 573                   default="master", type='str')
 574 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 575                   default=gitroot, type='str')
 576 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 577                   default=False, action="store_true")
 578 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 579                   default='')
 580
 581 def send_email(subject, text, log_tar):
 582     outer = MIMEMultipart()
 583     outer['Subject'] = subject
 584     outer['To'] = options.email
 585     outer['From'] = options.email_from
 586     outer['Date'] = email.utils.formatdate(localtime = True)
 587     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 588     outer.attach(MIMEText(text, 'plain'))
 589     if options.attach_logs:
 590         fp = open(log_tar, 'rb')
 591         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 592         fp.close()
 593         # Set the filename parameter
 594         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 595         outer.attach(msg)
 596     content = outer.as_string()
 597     s = smtplib.SMTP(options.email_server)
 598     s.sendmail(options.email_from, [options.email], content)
 599     s.set_debuglevel(1)
 600     s.quit()
 601
 602 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 603                   elapsed_time, log_base=None, add_log_tail=True):
 604     '''send an email to options.email about the failure'''
 605     elapsed_minutes = elapsed_time / 60.0
 606     user = os.getenv("USER")
 607     if log_base is None:
 608         log_base = gitroot
 609     text = '''
 610 Dear Developer,
 611
 612 Your autobuild on %s failed after %.1f minutes
 613 when trying to test %s with the following error:
 614
 615    %s
 616
 617 the autobuild has been abandoned. Please fix the error and resubmit.
 618
 619 A summary of the autobuild process is here:
 620
 621   %s/autobuild.log
 622 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 623
 624     if options.restrict_tests:
 625         text += """
 626 The build was restricted to tests matching %s\n""" % options.restrict_tests
 627
 628     if failed_task != 'rebase':
 629         text += '''
 630 You can see logs of the failed task here:
 631
 632   %s/%s.stdout
 633   %s/%s.stderr
 634
 635 or you can get full logs of all tasks in this job here:
 636
 637   %s/logs.tar.gz
 638
 639 The top commit for the tree that was built was:
 640
 641 %s
 642
 643 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 644
 645     if add_log_tail:
 646         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 647         lines = f.readlines()
 648         log_tail = "".join(lines[-50:])
 649         num_lines = len(lines)
 650         if num_lines < 50:
 651             # Also include stderr (compile failures) if < 50 lines of stdout
 652             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 653             log_tail += "".join(f.readlines()[-(50-num_lines):])
 654
 655         text += '''
 656 The last 50 lines of log messages:
 657
 658 %s
 659     ''' % log_tail
 660         f.close()
 661
 662     logs = os.path.join(gitroot, 'logs.tar.gz')
 663     send_email('autobuild[%s] failure on %s for task %s during %s'
 664                % (options.branch, platform.node(), failed_task, failed_stage),
 665                text, logs)
 666
 667 def email_success(elapsed_time, log_base=None):
 668     '''send an email to options.email about a successful build'''
 669     user = os.getenv("USER")
 670     if log_base is None:
 671         log_base = gitroot
 672     text = '''
 673 Dear Developer,
 674
 675 Your autobuild on %s has succeeded after %.1f minutes.
 676
 677 ''' % (platform.node(), elapsed_time / 60.)
 678
 679     if options.restrict_tests:
 680         text += """
 681 The build was restricted to tests matching %s\n""" % options.restrict_tests
 682
 683     if options.keeplogs:
 684         text += '''
 685
 686 you can get full logs of all tasks in this job here:
 687
 688   %s/logs.tar.gz
 689
 690 ''' % log_base
 691
 692     text += '''
 693 The top commit for the tree that was built was:
 694
 695 %s
 696 ''' % top_commit_msg
 697
 698     logs = os.path.join(gitroot, 'logs.tar.gz')
 699     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 700                text, logs)
 701
 702
 703 (options, args) = parser.parse_args()
 704
 705 if options.retry:
 706     if options.rebase is None:
 707         raise Exception('You can only use --retry if you also rebase')
 708
 709 testbase = "%s/b%u" % (options.testbase, os.getpid())
 710 test_master = "%s/master" % testbase
 711 test_prefix = "%s/prefix" % testbase
 712 test_tmpdir = "%s/tmp" % testbase
 713 os.environ['TMPDIR'] = test_tmpdir
 714
 715 # get the top commit message, for emails
 716 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 717
 718 try:
 719     os.makedirs(testbase)
 720 except Exception, reason:
 721     raise Exception("Unable to create %s : %s" % (testbase, reason))
 722 cleanup_list.append(testbase)
 723
 724 if options.daemon:
 725     logfile = os.path.join(testbase, "log")
 726     print "Forking into the background, writing progress to %s" % logfile
 727     daemonize(logfile)
 728
 729 write_pidfile(gitroot + "/autobuild.pid")
 730
 731 start_time = time.time()
 732
 733 while True:
 734     try:
 735         run_cmd("rm -rf %s" % test_master)
 736         run_cmd("rm -rf %s" % test_prefix)
 737         run_cmd("rm -rf %s" % test_tmpdir)
 738         os.makedirs(test_tmpdir)
 739         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 740     except Exception:
 741         cleanup()
 742         raise
 743
 744     try:
 745         try:
 746             if options.rebase is not None:
 747                 rebase_tree(options.rebase, rebase_branch=options.branch)
 748         except Exception:
 749             cleanup_list.append(gitroot + "/autobuild.pid")
 750             cleanup()
 751             elapsed_time = time.time() - start_time
 752             email_failure(-1, 'rebase', 'rebase', 'rebase',
 753                           'rebase on %s failed' % options.branch,
 754                           elapsed_time, log_base=options.log_base)
 755             sys.exit(1)
 756         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 757         if options.tail:
 758             blist.start_tail()
 759         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 760         if status != 0 or errstr != "retry":
 761             break
 762         cleanup()
 763     except Exception:
 764         cleanup()
 765         raise
 766
 767 cleanup_list.append(gitroot + "/autobuild.pid")
 768
 769 blist.kill_kids()
 770 if options.tail:
 771     print("waiting for tail to flush")
 772     time.sleep(1)
 773
 774 elapsed_time = time.time() - start_time
 775 if status == 0:
 776     print errstr
 777     if options.passcmd is not None:
 778         print("Running passcmd: %s" % options.passcmd)
 779         run_cmd(options.passcmd, dir=test_master)
 780     if options.pushto is not None:
 781         push_to(options.pushto, push_branch=options.branch)
 782     if options.keeplogs or options.attach_logs:
 783         blist.tarlogs("logs.tar.gz")
 784         print("Logs in logs.tar.gz")
 785     if options.always_email:
 786         email_success(elapsed_time, log_base=options.log_base)
 787     blist.remove_logs()
 788     cleanup()
 789     print(errstr)
 790     sys.exit(0)
 791
 792 # something failed, gather a tar of the logs
 793 blist.tarlogs("logs.tar.gz")
 794
 795 if options.email is not None:
 796     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 797                   elapsed_time, log_base=options.log_base)
 798 else:
 799     elapsed_minutes = elapsed_time / 60.0
 800     print '''
 801
 802 ####################################################################
 803
 804 AUTOBUILD FAILURE
 805
 806 Your autobuild[%s] on %s failed after %.1f minutes
 807 when trying to test %s with the following error:
 808
 809    %s
 810
 811 the autobuild has been abandoned. Please fix the error and resubmit.
 812
 813 ####################################################################
 814
 815 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 816
 817 cleanup()
 818 print(errstr)
 819 print("Logs in logs.tar.gz")
 820 sys.exit(status)