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     "samba-nopython"  : ".",
  36     "ldb"     : "lib/ldb",
  37     "tdb"     : "lib/tdb",
  38     "talloc"  : "lib/talloc",
  39     "replace" : "lib/replace",
  40     "tevent"  : "lib/tevent",
  41     "pidl"    : "pidl",
  42     "pass"    : ".",
  43     "fail"    : ".",
  44     "retry"   : "."
  45     }
  46
  47 defaulttasks = [ "ctdb",
  48                  "samba",
  49                  "samba-xc",
  50                  "samba-o3",
  51                  "samba-ctdb",
  52                  "samba-libs",
  53                  "samba-static",
  54                  "samba-systemkrb5",
  55                  "samba-nopython",
  56                  "ldb",
  57                  "tdb",
  58                  "talloc",
  59                  "replace",
  60                  "tevent",
  61                  "pidl" ]
  62
  63 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  64     defaulttasks.remove("samba-o3")
  65
  66 ctdb_configure_params = " --enable-developer --picky-developer ${PREFIX}"
  67 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  68
  69 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  70 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  71 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  72 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  73 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=cmocka,NONE"
  74 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  75
  76 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  77     extra_python = ""
  78 else:
  79     extra_python = "--extra-python=/usr/bin/python3"
  80
  81 tasks = {
  82     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  83                ("configure", "./configure " + ctdb_configure_params, "text/plain"),
  84                ("make", "make all", "text/plain"),
  85                ("install", "make install", "text/plain"),
  86                ("test", "make autotest", "text/plain"),
  87                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  88                ("clean", "make clean", "text/plain") ],
  89
  90     # We have 'test' before 'install' because, 'test' should work without 'install'
  91     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  92                 ("make", "make -j", "text/plain"),
  93                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  94                 ("install", "make install", "text/plain"),
  95                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  96                 ("clean", "make clean", "text/plain") ],
  97
  98     "samba-test-only" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab  --abi-check-disable" + samba_configure_params, "text/plain"),
  99                           ("make", "make -j", "text/plain"),
 100                           ("test", 'make test FAIL_IMMEDIATELY=1 TESTS="${TESTS}"',"text/plain") ],
 101
 102     # Test cross-compile infrastructure
 103     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
 104                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
 105                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
 106                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
 107                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
 108                    ("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")],
 109
 110     # test build with -O3 -- catches extra warnings and bugs, tests the ad_dc environments
 111     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 112                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab --abi-check-disable" + samba_configure_params, "text/plain"),
 113                    ("make", "make -j", "text/plain"),
 114                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='--include-env=ad_dc'", "text/plain"),
 115                    ("install", "make install", "text/plain"),
 116                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 117                    ("clean", "make clean", "text/plain") ],
 118
 119     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 120
 121                      # make sure we have tdb around:
 122                      ("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 ${PREFIX}", "text/plain"),
 123                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 124                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 125
 126
 127                      # build samba with cluster support (also building ctdb):
 128                      ("samba-configure", "PYTHONPATH=${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"),
 129                      ("samba-make", "make", "text/plain"),
 130                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 131                      ("samba-install", "make install", "text/plain"),
 132                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 133
 134                      # clean up:
 135                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 136                      ("clean", "make clean", "text/plain"),
 137                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 138
 139     "samba-libs" : [
 140                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 141                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 142                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 143                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 144
 145                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 146                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 147                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 148
 149                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 150                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 151                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 152
 153                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 154                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 155                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 156
 157                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 158                       ("nondevel-make", "make -j", "text/plain"),
 159                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 160                       ("nondevel-install", "make install", "text/plain"),
 161                       ("nondevel-dist", "make dist", "text/plain"),
 162
 163                       # retry with all modules shared
 164                       ("allshared-distclean", "make distclean", "text/plain"),
 165                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 166                       ("allshared-make", "make -j", "text/plain")],
 167
 168     "samba-static" : [
 169                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 170                       # build with all modules static
 171                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 172                       ("allstatic-make", "make -j", "text/plain"),
 173
 174                       # retry without any required modules
 175                       ("none-distclean", "make distclean", "text/plain"),
 176                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 177                       ("none-make", "make -j", "text/plain"),
 178
 179                       # retry with nonshared smbd and smbtorture
 180                       ("nonshared-distclean", "make distclean", "text/plain"),
 181                       ("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"),
 182                       ("nonshared-make", "make -j", "text/plain")],
 183
 184     "samba-systemkrb5" : [
 185                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 186                       ("configure", "./configure.developer " + samba_configure_params + " --with-system-mitkrb5 --without-ad-dc", "text/plain"),
 187                       ("make", "make -j", "text/plain"),
 188                       # we currently cannot run a full make test, a limited list of tests could be run
 189                       # via "make test TESTS=sometests"
 190                       ("test", "make test FAIL_IMMEDIATELY=1 TESTS='--include-env=ktest'", "text/plain"),
 191                       ("install", "make install", "text/plain"),
 192                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 193                       ("clean", "make clean", "text/plain")
 194                       ],
 195
 196     # Test Samba without python still builds.  When this test fails
 197     # due to more use of Python, the expectations is that the newly
 198     # failing part of the code should be disabled when
 199     # --disable-python is set (rather than major work being done to
 200     # support this environment).  The target here is for vendors
 201     # shipping a minimal smbd.
 202     "samba-nopython" : [
 203                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 204                       ("configure", "./configure.developer --picky-developer ${PREFIX} --with-profiling-data --disable-python --without-ad-dc", "text/plain"),
 205                       ("make", "make -j", "text/plain"),
 206                       ("install", "make install", "text/plain"),
 207                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 208                       ("clean", "make clean", "text/plain")
 209                       ],
 210
 211
 212
 213     "ldb" : [
 214               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 215               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "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     "tdb" : [
 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     "talloc" : [
 234                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 235                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 236                  ("make", "make", "text/plain"),
 237                  ("install", "make install", "text/plain"),
 238                  ("test", "make test", "text/plain"),
 239                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 240                  ("distcheck", "make distcheck", "text/plain"),
 241                  ("clean", "make clean", "text/plain") ],
 242
 243     "replace" : [
 244                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 245                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 246                   ("make", "make", "text/plain"),
 247                   ("install", "make install", "text/plain"),
 248                   ("test", "make test", "text/plain"),
 249                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 250                   ("distcheck", "make distcheck", "text/plain"),
 251                   ("clean", "make clean", "text/plain") ],
 252
 253     "tevent" : [
 254                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 255                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 256                  ("make", "make", "text/plain"),
 257                  ("install", "make install", "text/plain"),
 258                  ("test", "make test", "text/plain"),
 259                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 260                  ("distcheck", "make distcheck", "text/plain"),
 261                  ("clean", "make clean", "text/plain") ],
 262
 263     "pidl" : [
 264                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 265                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 266                ("touch", "touch *.yp", "text/plain"),
 267                ("make", "make", "text/plain"),
 268                ("test", "make test", "text/plain"),
 269                ("install", "make install", "text/plain"),
 270                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 271                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 272                ("clean", "make clean", "text/plain") ],
 273
 274     # these are useful for debugging autobuild
 275     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 276     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 277 }
 278
 279 def do_print(msg):
 280     print "%s" % msg
 281     sys.stdout.flush()
 282     sys.stderr.flush()
 283
 284 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 285     if show is None:
 286         show = options.verbose
 287     if show:
 288         do_print("Running: '%s' in '%s'" % (cmd, dir))
 289     if output:
 290         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 291     elif checkfail:
 292         return check_call(cmd, shell=True, cwd=dir)
 293     else:
 294         return call(cmd, shell=True, cwd=dir)
 295
 296
 297 class builder(object):
 298     '''handle build of one directory'''
 299
 300     def __init__(self, name, sequence, cp=True):
 301         self.name = name
 302         self.dir = builddirs[name]
 303
 304         self.tag = self.name.replace('/', '_')
 305         self.sequence = sequence
 306         self.next = 0
 307         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 308         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 309         if options.verbose:
 310             do_print("stdout for %s in %s" % (self.name, self.stdout_path))
 311             do_print("stderr for %s in %s" % (self.name, self.stderr_path))
 312         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 313         self.stdout = open(self.stdout_path, 'w')
 314         self.stderr = open(self.stderr_path, 'w')
 315         self.stdin  = open("/dev/null", 'r')
 316         self.sdir = "%s/%s" % (testbase, self.tag)
 317         self.prefix = "%s/%s" % (test_prefix, self.tag)
 318         run_cmd("rm -rf %s" % self.sdir)
 319         run_cmd("rm -rf %s" % self.prefix)
 320         if cp:
 321             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 322         else:
 323             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 324         self.start_next()
 325
 326     def start_next(self):
 327         if self.next == len(self.sequence):
 328             if not options.nocleanup:
 329                 run_cmd("rm -rf %s" % self.sdir)
 330                 run_cmd("rm -rf %s" % self.prefix)
 331             do_print('%s: Completed OK' % self.name)
 332             self.done = True
 333             return
 334         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 335         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 336         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 337         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 338         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 339         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 340 #        if self.output_mime_type == "text/x-subunit":
 341 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 342         do_print('%s: [%s] Running %s' % (self.name, self.stage, self.cmd))
 343         cwd = os.getcwd()
 344         os.chdir("%s/%s" % (self.sdir, self.dir))
 345         self.proc = Popen(self.cmd, shell=True,
 346                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 347         os.chdir(cwd)
 348         self.next += 1
 349
 350
 351 class buildlist(object):
 352     '''handle build of multiple directories'''
 353
 354     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 355         global tasks
 356         self.tlist = []
 357         self.tail_proc = None
 358         self.retry = None
 359         if tasknames == []:
 360             if options.restrict_tests:
 361                 tasknames = ["samba-test-only"]
 362             else:
 363                 tasknames = defaulttasks
 364         else:
 365             # If we are only running one test,
 366             # do not sleep randomly to wait for it to start
 367             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 368
 369         for n in tasknames:
 370             b = builder(n, tasks[n], cp=n is not "pidl")
 371             self.tlist.append(b)
 372         if options.retry:
 373             rebase_remote = "rebaseon"
 374             retry_task = [ ("retry",
 375                             '''set -e
 376                             git remote add -t %s %s %s
 377                             git fetch %s
 378                             while :; do
 379                               sleep 60
 380                               git describe %s/%s > old_remote_branch.desc
 381                               git fetch %s
 382                               git describe %s/%s > remote_branch.desc
 383                               diff old_remote_branch.desc remote_branch.desc
 384                             done
 385                            ''' % (
 386                                rebase_branch, rebase_remote, rebase_url,
 387                                rebase_remote,
 388                                rebase_remote, rebase_branch,
 389                                rebase_remote,
 390                                rebase_remote, rebase_branch
 391                            ),
 392                            "test/plain" ) ]
 393
 394             self.retry = builder('retry', retry_task, cp=False)
 395             self.need_retry = False
 396
 397     def kill_kids(self):
 398         if self.tail_proc is not None:
 399             self.tail_proc.terminate()
 400             self.tail_proc.wait()
 401             self.tail_proc = None
 402         if self.retry is not None:
 403             self.retry.proc.terminate()
 404             self.retry.proc.wait()
 405             self.retry = None
 406         for b in self.tlist:
 407             if b.proc is not None:
 408                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 409                 b.proc.terminate()
 410                 b.proc.wait()
 411                 b.proc = None
 412
 413     def wait_one(self):
 414         while True:
 415             none_running = True
 416             for b in self.tlist:
 417                 if b.proc is None:
 418                     continue
 419                 none_running = False
 420                 b.status = b.proc.poll()
 421                 if b.status is None:
 422                     continue
 423                 b.proc = None
 424                 return b
 425             if options.retry:
 426                 ret = self.retry.proc.poll()
 427                 if ret is not None:
 428                     self.need_retry = True
 429                     self.retry = None
 430                     return None
 431             if none_running:
 432                 return None
 433             time.sleep(0.1)
 434
 435     def run(self):
 436         while True:
 437             b = self.wait_one()
 438             if options.retry and self.need_retry:
 439                 self.kill_kids()
 440                 do_print("retry needed")
 441                 return (0, None, None, None, "retry")
 442             if b is None:
 443                 break
 444             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 445                 self.kill_kids()
 446                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 447             b.start_next()
 448         self.kill_kids()
 449         return (0, None, None, None, "All OK")
 450
 451     def write_system_info(self):
 452         filename = 'system-info.txt'
 453         f = open(filename, 'w')
 454         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 455             print >>f, '### %s' % cmd
 456             print >>f, run_cmd(cmd, output=True, checkfail=False)
 457             print >>f
 458         f.close()
 459         return filename
 460
 461     def tarlogs(self, fname):
 462         tar = tarfile.open(fname, "w:gz")
 463         for b in self.tlist:
 464             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 465             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 466         if os.path.exists("autobuild.log"):
 467             tar.add("autobuild.log")
 468         sys_info = self.write_system_info()
 469         tar.add(sys_info)
 470         tar.close()
 471
 472     def remove_logs(self):
 473         for b in self.tlist:
 474             os.unlink(b.stdout_path)
 475             os.unlink(b.stderr_path)
 476
 477     def start_tail(self):
 478         cwd = os.getcwd()
 479         cmd = "tail -f *.stdout *.stderr"
 480         os.chdir(gitroot)
 481         self.tail_proc = Popen(cmd, shell=True)
 482         os.chdir(cwd)
 483
 484
 485 def cleanup():
 486     if options.nocleanup:
 487         return
 488     run_cmd("stat %s || true" % test_tmpdir, show=True)
 489     run_cmd("stat %s" % testbase, show=True)
 490     do_print("Cleaning up ....")
 491     for d in cleanup_list:
 492         run_cmd("rm -rf %s" % d)
 493
 494
 495 def find_git_root():
 496     '''get to the top of the git repo'''
 497     p=os.getcwd()
 498     while p != '/':
 499         if os.path.isdir(os.path.join(p, ".git")):
 500             return p
 501         p = os.path.abspath(os.path.join(p, '..'))
 502     return None
 503
 504
 505 def daemonize(logfile):
 506     pid = os.fork()
 507     if pid == 0: # Parent
 508         os.setsid()
 509         pid = os.fork()
 510         if pid != 0: # Actual daemon
 511             os._exit(0)
 512     else: # Grandparent
 513         os._exit(0)
 514
 515     import resource      # Resource usage information.
 516     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 517     if maxfd == resource.RLIM_INFINITY:
 518         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 519     for fd in range(0, maxfd):
 520         try:
 521             os.close(fd)
 522         except OSError:
 523             pass
 524     os.open(logfile, os.O_RDWR | os.O_CREAT)
 525     os.dup2(0, 1)
 526     os.dup2(0, 2)
 527
 528 def write_pidfile(fname):
 529     '''write a pid file, cleanup on exit'''
 530     f = open(fname, mode='w')
 531     f.write("%u\n" % os.getpid())
 532     f.close()
 533
 534
 535 def rebase_tree(rebase_url, rebase_branch = "master"):
 536     rebase_remote = "rebaseon"
 537     do_print("Rebasing on %s" % rebase_url)
 538     run_cmd("git describe HEAD", show=True, dir=test_master)
 539     run_cmd("git remote add -t %s %s %s" %
 540             (rebase_branch, rebase_remote, rebase_url),
 541             show=True, dir=test_master)
 542     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 543     if options.fix_whitespace:
 544         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 545                 (rebase_remote, rebase_branch),
 546                 show=True, dir=test_master)
 547     else:
 548         run_cmd("git rebase --force-rebase %s/%s" %
 549                 (rebase_remote, rebase_branch),
 550                 show=True, dir=test_master)
 551     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 552                    (rebase_remote, rebase_branch),
 553                    dir=test_master, output=True)
 554     if diff == '':
 555         do_print("No differences between HEAD and %s/%s - exiting" %
 556               (rebase_remote, rebase_branch))
 557         sys.exit(0)
 558     run_cmd("git describe %s/%s" %
 559             (rebase_remote, rebase_branch),
 560             show=True, dir=test_master)
 561     run_cmd("git describe HEAD", show=True, dir=test_master)
 562     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 563             (rebase_remote, rebase_branch),
 564             show=True, dir=test_master)
 565
 566 def push_to(push_url, push_branch = "master"):
 567     push_remote = "pushto"
 568     do_print("Pushing to %s" % push_url)
 569     if options.mark:
 570         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 571         run_cmd("git commit --amend -c HEAD", dir=test_master)
 572         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 573         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 574     run_cmd("git remote add -t %s %s %s" %
 575             (push_branch, push_remote, push_url),
 576             show=True, dir=test_master)
 577     run_cmd("git push %s +HEAD:%s" %
 578             (push_remote, push_branch),
 579             show=True, dir=test_master)
 580
 581 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 582
 583 gitroot = find_git_root()
 584 if gitroot is None:
 585     raise Exception("Failed to find git root")
 586
 587 parser = OptionParser()
 588 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 589 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 590 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 591 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 592                   default=def_testbase)
 593 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 594 parser.add_option("", "--verbose", help="show all commands as they are run",
 595                   default=False, action="store_true")
 596 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 597                   default=None, type='str')
 598 parser.add_option("", "--pushto", help="push to a git url on success",
 599                   default=None, type='str')
 600 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 601                   default=False, action="store_true")
 602 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 603                   default=False, action="store_true")
 604 parser.add_option("", "--retry", help="automatically retry if master changes",
 605                   default=False, action="store_true")
 606 parser.add_option("", "--email", help="send email to the given address on failure",
 607                   type='str', default=None)
 608 parser.add_option("", "--email-from", help="send email from the given address",
 609                   type='str', default="autobuild@samba.org")
 610 parser.add_option("", "--email-server", help="send email via the given server",
 611                   type='str', default='localhost')
 612 parser.add_option("", "--always-email", help="always send email, even on success",
 613                   action="store_true")
 614 parser.add_option("", "--daemon", help="daemonize after initial setup",
 615                   action="store_true")
 616 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 617                   default="master", type='str')
 618 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 619                   default=gitroot, type='str')
 620 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 621                   default=False, action="store_true")
 622 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 623                   default='')
 624
 625 def send_email(subject, text, log_tar):
 626     outer = MIMEMultipart()
 627     outer['Subject'] = subject
 628     outer['To'] = options.email
 629     outer['From'] = options.email_from
 630     outer['Date'] = email.utils.formatdate(localtime = True)
 631     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 632     outer.attach(MIMEText(text, 'plain'))
 633     if options.attach_logs:
 634         fp = open(log_tar, 'rb')
 635         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 636         fp.close()
 637         # Set the filename parameter
 638         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 639         outer.attach(msg)
 640     content = outer.as_string()
 641     s = smtplib.SMTP(options.email_server)
 642     s.sendmail(options.email_from, [options.email], content)
 643     s.set_debuglevel(1)
 644     s.quit()
 645
 646 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 647                   elapsed_time, log_base=None, add_log_tail=True):
 648     '''send an email to options.email about the failure'''
 649     elapsed_minutes = elapsed_time / 60.0
 650     user = os.getenv("USER")
 651     if log_base is None:
 652         log_base = gitroot
 653     text = '''
 654 Dear Developer,
 655
 656 Your autobuild on %s failed after %.1f minutes
 657 when trying to test %s with the following error:
 658
 659    %s
 660
 661 the autobuild has been abandoned. Please fix the error and resubmit.
 662
 663 A summary of the autobuild process is here:
 664
 665   %s/autobuild.log
 666 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 667
 668     if options.restrict_tests:
 669         text += """
 670 The build was restricted to tests matching %s\n""" % options.restrict_tests
 671
 672     if failed_task != 'rebase':
 673         text += '''
 674 You can see logs of the failed task here:
 675
 676   %s/%s.stdout
 677   %s/%s.stderr
 678
 679 or you can get full logs of all tasks in this job here:
 680
 681   %s/logs.tar.gz
 682
 683 The top commit for the tree that was built was:
 684
 685 %s
 686
 687 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 688
 689     if add_log_tail:
 690         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 691         lines = f.readlines()
 692         log_tail = "".join(lines[-50:])
 693         num_lines = len(lines)
 694         if num_lines < 50:
 695             # Also include stderr (compile failures) if < 50 lines of stdout
 696             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 697             log_tail += "".join(f.readlines()[-(50-num_lines):])
 698
 699         text += '''
 700 The last 50 lines of log messages:
 701
 702 %s
 703     ''' % log_tail
 704         f.close()
 705
 706     logs = os.path.join(gitroot, 'logs.tar.gz')
 707     send_email('autobuild[%s] failure on %s for task %s during %s'
 708                % (options.branch, platform.node(), failed_task, failed_stage),
 709                text, logs)
 710
 711 def email_success(elapsed_time, log_base=None):
 712     '''send an email to options.email about a successful build'''
 713     user = os.getenv("USER")
 714     if log_base is None:
 715         log_base = gitroot
 716     text = '''
 717 Dear Developer,
 718
 719 Your autobuild on %s has succeeded after %.1f minutes.
 720
 721 ''' % (platform.node(), elapsed_time / 60.)
 722
 723     if options.restrict_tests:
 724         text += """
 725 The build was restricted to tests matching %s\n""" % options.restrict_tests
 726
 727     if options.keeplogs:
 728         text += '''
 729
 730 you can get full logs of all tasks in this job here:
 731
 732   %s/logs.tar.gz
 733
 734 ''' % log_base
 735
 736     text += '''
 737 The top commit for the tree that was built was:
 738
 739 %s
 740 ''' % top_commit_msg
 741
 742     logs = os.path.join(gitroot, 'logs.tar.gz')
 743     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 744                text, logs)
 745
 746
 747 (options, args) = parser.parse_args()
 748
 749 if options.retry:
 750     if options.rebase is None:
 751         raise Exception('You can only use --retry if you also rebase')
 752
 753 testbase = "%s/b%u" % (options.testbase, os.getpid())
 754 test_master = "%s/master" % testbase
 755 test_prefix = "%s/prefix" % testbase
 756 test_tmpdir = "%s/tmp" % testbase
 757 os.environ['TMPDIR'] = test_tmpdir
 758
 759 # get the top commit message, for emails
 760 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 761
 762 try:
 763     os.makedirs(testbase)
 764 except Exception as reason:
 765     raise Exception("Unable to create %s : %s" % (testbase, reason))
 766 cleanup_list.append(testbase)
 767
 768 if options.daemon:
 769     logfile = os.path.join(testbase, "log")
 770     do_print("Forking into the background, writing progress to %s" % logfile)
 771     daemonize(logfile)
 772
 773 write_pidfile(gitroot + "/autobuild.pid")
 774
 775 start_time = time.time()
 776
 777 while True:
 778     try:
 779         run_cmd("rm -rf %s" % test_tmpdir, show=True)
 780         os.makedirs(test_tmpdir)
 781         # The waf uninstall code removes empty directories all the way
 782         # up the tree.  Creating a file in test_tmpdir stops it from
 783         # being removed.
 784         run_cmd("touch %s" % os.path.join(test_tmpdir,
 785                                           ".directory-is-not-empty"), show=True)
 786         run_cmd("stat %s" % test_tmpdir, show=True)
 787         run_cmd("stat %s" % testbase, show=True)
 788         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 789     except Exception:
 790         cleanup()
 791         raise
 792
 793     try:
 794         try:
 795             if options.rebase is not None:
 796                 rebase_tree(options.rebase, rebase_branch=options.branch)
 797         except Exception:
 798             cleanup_list.append(gitroot + "/autobuild.pid")
 799             cleanup()
 800             elapsed_time = time.time() - start_time
 801             email_failure(-1, 'rebase', 'rebase', 'rebase',
 802                           'rebase on %s failed' % options.branch,
 803                           elapsed_time, log_base=options.log_base)
 804             sys.exit(1)
 805         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 806         if options.tail:
 807             blist.start_tail()
 808         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 809         if status != 0 or errstr != "retry":
 810             break
 811         cleanup()
 812     except Exception:
 813         cleanup()
 814         raise
 815
 816 cleanup_list.append(gitroot + "/autobuild.pid")
 817
 818 do_print(errstr)
 819
 820 blist.kill_kids()
 821 if options.tail:
 822     do_print("waiting for tail to flush")
 823     time.sleep(1)
 824
 825 elapsed_time = time.time() - start_time
 826 if status == 0:
 827     if options.passcmd is not None:
 828         do_print("Running passcmd: %s" % options.passcmd)
 829         run_cmd(options.passcmd, dir=test_master)
 830     if options.pushto is not None:
 831         push_to(options.pushto, push_branch=options.branch)
 832     if options.keeplogs or options.attach_logs:
 833         blist.tarlogs("logs.tar.gz")
 834         do_print("Logs in logs.tar.gz")
 835     if options.always_email:
 836         email_success(elapsed_time, log_base=options.log_base)
 837     blist.remove_logs()
 838     cleanup()
 839     do_print(errstr)
 840     sys.exit(0)
 841
 842 # something failed, gather a tar of the logs
 843 blist.tarlogs("logs.tar.gz")
 844
 845 if options.email is not None:
 846     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 847                   elapsed_time, log_base=options.log_base)
 848 else:
 849     elapsed_minutes = elapsed_time / 60.0
 850     print '''
 851
 852 ####################################################################
 853
 854 AUTOBUILD FAILURE
 855
 856 Your autobuild[%s] on %s failed after %.1f minutes
 857 when trying to test %s with the following error:
 858
 859    %s
 860
 861 the autobuild has been abandoned. Please fix the error and resubmit.
 862
 863 ####################################################################
 864
 865 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 866
 867 cleanup()
 868 do_print(errstr)
 869 do_print("Logs in logs.tar.gz")
 870 sys.exit(status)