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", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "samba-systemkrb5", "samba-nopython", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  48
  49 if os.environ.get("AUTOBUILD_SKIP_SAMBA_O3", "0") == "1":
  50     defaulttasks.remove("samba-o3")
  51
  52 ctdb_configure_params = " --enable-developer --picky-developer ${PREFIX}"
  53 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  54
  55 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  56 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  57 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  58 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  59 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=cmocka,NONE"
  60 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  61
  62 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  63     extra_python = ""
  64 else:
  65     extra_python = "--extra-python=/usr/bin/python3"
  66
  67 tasks = {
  68     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  69                ("configure", "./configure " + ctdb_configure_params, "text/plain"),
  70                ("make", "make all", "text/plain"),
  71                ("install", "make install", "text/plain"),
  72                ("test", "make autotest", "text/plain"),
  73                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  74                ("clean", "make clean", "text/plain") ],
  75
  76     # We have 'test' before 'install' because, 'test' should work without 'install'
  77     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  78                 ("make", "make -j", "text/plain"),
  79                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  80                 ("install", "make install", "text/plain"),
  81                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  82                 ("clean", "make clean", "text/plain") ],
  83
  84     "samba-test-only" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab  --abi-check-disable" + samba_configure_params, "text/plain"),
  85                           ("make", "make -j", "text/plain"),
  86                           ("test", 'make test FAIL_IMMEDIATELY=1 TESTS="${TESTS}"',"text/plain") ],
  87
  88     # Test cross-compile infrastructure
  89     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  90                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  91                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  92                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  93                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  94                    ("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")],
  95
  96     # test build with -O3 -- catches extra warnings and bugs, tests the ad_dc environments
  97     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  98                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab --abi-check-disable" + samba_configure_params, "text/plain"),
  99                    ("make", "make -j", "text/plain"),
 100                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='--include-env=ad_dc'", "text/plain"),
 101                    ("install", "make install", "text/plain"),
 102                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 103                    ("clean", "make clean", "text/plain") ],
 104
 105     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 106
 107                      # make sure we have tdb around:
 108                      ("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 ${PREFIX}", "text/plain"),
 109                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
 110                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 111
 112
 113                      # build samba with cluster support (also building ctdb):
 114                      ("samba-configure", "PYTHONPATH=${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"),
 115                      ("samba-make", "make", "text/plain"),
 116                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 117                      ("samba-install", "make install", "text/plain"),
 118                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 119
 120                      # clean up:
 121                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 122                      ("clean", "make clean", "text/plain"),
 123                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 124
 125     "samba-libs" : [
 126                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 127                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 128                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 129                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 130
 131                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 132                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 133                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 134
 135                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 136                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 137                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 138
 139                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 140                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 141                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 142
 143                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 144                       ("nondevel-make", "make -j", "text/plain"),
 145                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 146                       ("nondevel-install", "make install", "text/plain"),
 147                       ("nondevel-dist", "make dist", "text/plain"),
 148
 149                       # retry with all modules shared
 150                       ("allshared-distclean", "make distclean", "text/plain"),
 151                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 152                       ("allshared-make", "make -j", "text/plain")],
 153
 154     "samba-static" : [
 155                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 156                       # build with all modules static
 157                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 158                       ("allstatic-make", "make -j", "text/plain"),
 159
 160                       # retry without any required modules
 161                       ("none-distclean", "make distclean", "text/plain"),
 162                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 163                       ("none-make", "make -j", "text/plain"),
 164
 165                       # retry with nonshared smbd and smbtorture
 166                       ("nonshared-distclean", "make distclean", "text/plain"),
 167                       ("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"),
 168                       ("nonshared-make", "make -j", "text/plain")],
 169
 170     "samba-systemkrb5" : [
 171                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 172                       ("configure", "./configure.developer " + samba_configure_params + " --with-system-mitkrb5 --without-ad-dc", "text/plain"),
 173                       ("make", "make -j", "text/plain"),
 174                       # we currently cannot run a full make test, a limited list of tests could be run
 175                       # via "make test TESTS=sometests"
 176                       ("test", "make test FAIL_IMMEDIATELY=1 TESTS='--include-env=ktest'", "text/plain"),
 177                       ("install", "make install", "text/plain"),
 178                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 179                       ("clean", "make clean", "text/plain")
 180                       ],
 181
 182     # Test Samba without python still builds.  When this test fails
 183     # due to more use of Python, the expectations is that the newly
 184     # failing part of the code should be disabled when
 185     # --disable-python is set (rather than major work being done to
 186     # support this environment).  The target here is for vendors
 187     # shipping a minimal smbd.
 188     "samba-nopython" : [
 189                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 190                       ("configure", "./configure.developer --picky-developer ${PREFIX} --with-profiling-data --disable-python --without-ad-dc", "text/plain"),
 191                       ("make", "make -j", "text/plain"),
 192                       ("install", "make install", "text/plain"),
 193                       ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 194                       ("clean", "make clean", "text/plain")
 195                       ],
 196
 197
 198
 199     "ldb" : [
 200               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 201               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 202               ("make", "make", "text/plain"),
 203               ("install", "make install", "text/plain"),
 204               ("test", "make test", "text/plain"),
 205               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 206               ("distcheck", "make distcheck", "text/plain"),
 207               ("clean", "make clean", "text/plain") ],
 208
 209     "tdb" : [
 210               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 211               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 212               ("make", "make", "text/plain"),
 213               ("install", "make install", "text/plain"),
 214               ("test", "make test", "text/plain"),
 215               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 216               ("distcheck", "make distcheck", "text/plain"),
 217               ("clean", "make clean", "text/plain") ],
 218
 219     "talloc" : [
 220                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 221                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 222                  ("make", "make", "text/plain"),
 223                  ("install", "make install", "text/plain"),
 224                  ("test", "make test", "text/plain"),
 225                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 226                  ("distcheck", "make distcheck", "text/plain"),
 227                  ("clean", "make clean", "text/plain") ],
 228
 229     "replace" : [
 230                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 231                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 232                   ("make", "make", "text/plain"),
 233                   ("install", "make install", "text/plain"),
 234                   ("test", "make test", "text/plain"),
 235                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 236                   ("distcheck", "make distcheck", "text/plain"),
 237                   ("clean", "make clean", "text/plain") ],
 238
 239     "tevent" : [
 240                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 241                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 242                  ("make", "make", "text/plain"),
 243                  ("install", "make install", "text/plain"),
 244                  ("test", "make test", "text/plain"),
 245                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 246                  ("distcheck", "make distcheck", "text/plain"),
 247                  ("clean", "make clean", "text/plain") ],
 248
 249     "pidl" : [
 250                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 251                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 252                ("touch", "touch *.yp", "text/plain"),
 253                ("make", "make", "text/plain"),
 254                ("test", "make test", "text/plain"),
 255                ("install", "make install", "text/plain"),
 256                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 257                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 258                ("clean", "make clean", "text/plain") ],
 259
 260     # these are useful for debugging autobuild
 261     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 262     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 263 }
 264
 265 def do_print(msg):
 266     print "%s" % msg
 267     sys.stdout.flush()
 268     sys.stderr.flush()
 269
 270 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 271     if show is None:
 272         show = options.verbose
 273     if show:
 274         do_print("Running: '%s' in '%s'" % (cmd, dir))
 275     if output:
 276         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 277     elif checkfail:
 278         return check_call(cmd, shell=True, cwd=dir)
 279     else:
 280         return call(cmd, shell=True, cwd=dir)
 281
 282
 283 class builder(object):
 284     '''handle build of one directory'''
 285
 286     def __init__(self, name, sequence, cp=True):
 287         self.name = name
 288         self.dir = builddirs[name]
 289
 290         self.tag = self.name.replace('/', '_')
 291         self.sequence = sequence
 292         self.next = 0
 293         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 294         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 295         if options.verbose:
 296             do_print("stdout for %s in %s" % (self.name, self.stdout_path))
 297             do_print("stderr for %s in %s" % (self.name, self.stderr_path))
 298         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 299         self.stdout = open(self.stdout_path, 'w')
 300         self.stderr = open(self.stderr_path, 'w')
 301         self.stdin  = open("/dev/null", 'r')
 302         self.sdir = "%s/%s" % (testbase, self.tag)
 303         self.prefix = "%s/%s" % (test_prefix, self.tag)
 304         run_cmd("rm -rf %s" % self.sdir)
 305         run_cmd("rm -rf %s" % self.prefix)
 306         if cp:
 307             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 308         else:
 309             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 310         self.start_next()
 311
 312     def start_next(self):
 313         if self.next == len(self.sequence):
 314             if not options.nocleanup:
 315                 run_cmd("rm -rf %s" % self.sdir)
 316                 run_cmd("rm -rf %s" % self.prefix)
 317             do_print('%s: Completed OK' % self.name)
 318             self.done = True
 319             return
 320         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 321         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 322         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 323         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 324         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 325         self.cmd = self.cmd.replace("${TESTS}", options.restrict_tests)
 326 #        if self.output_mime_type == "text/x-subunit":
 327 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 328         do_print('%s: [%s] Running %s' % (self.name, self.stage, self.cmd))
 329         cwd = os.getcwd()
 330         os.chdir("%s/%s" % (self.sdir, self.dir))
 331         self.proc = Popen(self.cmd, shell=True,
 332                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 333         os.chdir(cwd)
 334         self.next += 1
 335
 336
 337 class buildlist(object):
 338     '''handle build of multiple directories'''
 339
 340     def __init__(self, tasknames, rebase_url, rebase_branch="master"):
 341         global tasks
 342         self.tlist = []
 343         self.tail_proc = None
 344         self.retry = None
 345         if tasknames == []:
 346             if options.restrict_tests:
 347                 tasknames = ["samba-test-only"]
 348             else:
 349                 tasknames = defaulttasks
 350         else:
 351             # If we are only running one test,
 352             # do not sleep randomly to wait for it to start
 353             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 354
 355         for n in tasknames:
 356             b = builder(n, tasks[n], cp=n is not "pidl")
 357             self.tlist.append(b)
 358         if options.retry:
 359             rebase_remote = "rebaseon"
 360             retry_task = [ ("retry",
 361                             '''set -e
 362                             git remote add -t %s %s %s
 363                             git fetch %s
 364                             while :; do
 365                               sleep 60
 366                               git describe %s/%s > old_remote_branch.desc
 367                               git fetch %s
 368                               git describe %s/%s > remote_branch.desc
 369                               diff old_remote_branch.desc remote_branch.desc
 370                             done
 371                            ''' % (
 372                                rebase_branch, rebase_remote, rebase_url,
 373                                rebase_remote,
 374                                rebase_remote, rebase_branch,
 375                                rebase_remote,
 376                                rebase_remote, rebase_branch
 377                            ),
 378                            "test/plain" ) ]
 379
 380             self.retry = builder('retry', retry_task, cp=False)
 381             self.need_retry = False
 382
 383     def kill_kids(self):
 384         if self.tail_proc is not None:
 385             self.tail_proc.terminate()
 386             self.tail_proc.wait()
 387             self.tail_proc = None
 388         if self.retry is not None:
 389             self.retry.proc.terminate()
 390             self.retry.proc.wait()
 391             self.retry = None
 392         for b in self.tlist:
 393             if b.proc is not None:
 394                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 395                 b.proc.terminate()
 396                 b.proc.wait()
 397                 b.proc = None
 398
 399     def wait_one(self):
 400         while True:
 401             none_running = True
 402             for b in self.tlist:
 403                 if b.proc is None:
 404                     continue
 405                 none_running = False
 406                 b.status = b.proc.poll()
 407                 if b.status is None:
 408                     continue
 409                 b.proc = None
 410                 return b
 411             if options.retry:
 412                 ret = self.retry.proc.poll()
 413                 if ret is not None:
 414                     self.need_retry = True
 415                     self.retry = None
 416                     return None
 417             if none_running:
 418                 return None
 419             time.sleep(0.1)
 420
 421     def run(self):
 422         while True:
 423             b = self.wait_one()
 424             if options.retry and self.need_retry:
 425                 self.kill_kids()
 426                 do_print("retry needed")
 427                 return (0, None, None, None, "retry")
 428             if b is None:
 429                 break
 430             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 431                 self.kill_kids()
 432                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 433             b.start_next()
 434         self.kill_kids()
 435         return (0, None, None, None, "All OK")
 436
 437     def write_system_info(self):
 438         filename = 'system-info.txt'
 439         f = open(filename, 'w')
 440         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 441             print >>f, '### %s' % cmd
 442             print >>f, run_cmd(cmd, output=True, checkfail=False)
 443             print >>f
 444         f.close()
 445         return filename
 446
 447     def tarlogs(self, fname):
 448         tar = tarfile.open(fname, "w:gz")
 449         for b in self.tlist:
 450             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 451             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 452         if os.path.exists("autobuild.log"):
 453             tar.add("autobuild.log")
 454         sys_info = self.write_system_info()
 455         tar.add(sys_info)
 456         tar.close()
 457
 458     def remove_logs(self):
 459         for b in self.tlist:
 460             os.unlink(b.stdout_path)
 461             os.unlink(b.stderr_path)
 462
 463     def start_tail(self):
 464         cwd = os.getcwd()
 465         cmd = "tail -f *.stdout *.stderr"
 466         os.chdir(gitroot)
 467         self.tail_proc = Popen(cmd, shell=True)
 468         os.chdir(cwd)
 469
 470
 471 def cleanup():
 472     if options.nocleanup:
 473         return
 474     run_cmd("stat %s || true" % test_tmpdir, show=True)
 475     run_cmd("stat %s" % testbase, show=True)
 476     do_print("Cleaning up ....")
 477     for d in cleanup_list:
 478         run_cmd("rm -rf %s" % d)
 479
 480
 481 def find_git_root():
 482     '''get to the top of the git repo'''
 483     p=os.getcwd()
 484     while p != '/':
 485         if os.path.isdir(os.path.join(p, ".git")):
 486             return p
 487         p = os.path.abspath(os.path.join(p, '..'))
 488     return None
 489
 490
 491 def daemonize(logfile):
 492     pid = os.fork()
 493     if pid == 0: # Parent
 494         os.setsid()
 495         pid = os.fork()
 496         if pid != 0: # Actual daemon
 497             os._exit(0)
 498     else: # Grandparent
 499         os._exit(0)
 500
 501     import resource      # Resource usage information.
 502     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 503     if maxfd == resource.RLIM_INFINITY:
 504         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 505     for fd in range(0, maxfd):
 506         try:
 507             os.close(fd)
 508         except OSError:
 509             pass
 510     os.open(logfile, os.O_RDWR | os.O_CREAT)
 511     os.dup2(0, 1)
 512     os.dup2(0, 2)
 513
 514 def write_pidfile(fname):
 515     '''write a pid file, cleanup on exit'''
 516     f = open(fname, mode='w')
 517     f.write("%u\n" % os.getpid())
 518     f.close()
 519
 520
 521 def rebase_tree(rebase_url, rebase_branch = "master"):
 522     rebase_remote = "rebaseon"
 523     do_print("Rebasing on %s" % rebase_url)
 524     run_cmd("git describe HEAD", show=True, dir=test_master)
 525     run_cmd("git remote add -t %s %s %s" %
 526             (rebase_branch, rebase_remote, rebase_url),
 527             show=True, dir=test_master)
 528     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 529     if options.fix_whitespace:
 530         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 531                 (rebase_remote, rebase_branch),
 532                 show=True, dir=test_master)
 533     else:
 534         run_cmd("git rebase --force-rebase %s/%s" %
 535                 (rebase_remote, rebase_branch),
 536                 show=True, dir=test_master)
 537     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 538                    (rebase_remote, rebase_branch),
 539                    dir=test_master, output=True)
 540     if diff == '':
 541         do_print("No differences between HEAD and %s/%s - exiting" %
 542               (rebase_remote, rebase_branch))
 543         sys.exit(0)
 544     run_cmd("git describe %s/%s" %
 545             (rebase_remote, rebase_branch),
 546             show=True, dir=test_master)
 547     run_cmd("git describe HEAD", show=True, dir=test_master)
 548     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 549             (rebase_remote, rebase_branch),
 550             show=True, dir=test_master)
 551
 552 def push_to(push_url, push_branch = "master"):
 553     push_remote = "pushto"
 554     do_print("Pushing to %s" % push_url)
 555     if options.mark:
 556         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 557         run_cmd("git commit --amend -c HEAD", dir=test_master)
 558         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 559         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 560     run_cmd("git remote add -t %s %s %s" %
 561             (push_branch, push_remote, push_url),
 562             show=True, dir=test_master)
 563     run_cmd("git push %s +HEAD:%s" %
 564             (push_remote, push_branch),
 565             show=True, dir=test_master)
 566
 567 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 568
 569 gitroot = find_git_root()
 570 if gitroot is None:
 571     raise Exception("Failed to find git root")
 572
 573 parser = OptionParser()
 574 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 575 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 576 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 577 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 578                   default=def_testbase)
 579 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 580 parser.add_option("", "--verbose", help="show all commands as they are run",
 581                   default=False, action="store_true")
 582 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 583                   default=None, type='str')
 584 parser.add_option("", "--pushto", help="push to a git url on success",
 585                   default=None, type='str')
 586 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 587                   default=False, action="store_true")
 588 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 589                   default=False, action="store_true")
 590 parser.add_option("", "--retry", help="automatically retry if master changes",
 591                   default=False, action="store_true")
 592 parser.add_option("", "--email", help="send email to the given address on failure",
 593                   type='str', default=None)
 594 parser.add_option("", "--email-from", help="send email from the given address",
 595                   type='str', default="autobuild@samba.org")
 596 parser.add_option("", "--email-server", help="send email via the given server",
 597                   type='str', default='localhost')
 598 parser.add_option("", "--always-email", help="always send email, even on success",
 599                   action="store_true")
 600 parser.add_option("", "--daemon", help="daemonize after initial setup",
 601                   action="store_true")
 602 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 603                   default="master", type='str')
 604 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 605                   default=gitroot, type='str')
 606 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 607                   default=False, action="store_true")
 608 parser.add_option("", "--restrict-tests", help="run as make test with this TESTS= regex",
 609                   default='')
 610
 611 def send_email(subject, text, log_tar):
 612     outer = MIMEMultipart()
 613     outer['Subject'] = subject
 614     outer['To'] = options.email
 615     outer['From'] = options.email_from
 616     outer['Date'] = email.utils.formatdate(localtime = True)
 617     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 618     outer.attach(MIMEText(text, 'plain'))
 619     if options.attach_logs:
 620         fp = open(log_tar, 'rb')
 621         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 622         fp.close()
 623         # Set the filename parameter
 624         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 625         outer.attach(msg)
 626     content = outer.as_string()
 627     s = smtplib.SMTP(options.email_server)
 628     s.sendmail(options.email_from, [options.email], content)
 629     s.set_debuglevel(1)
 630     s.quit()
 631
 632 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 633                   elapsed_time, log_base=None, add_log_tail=True):
 634     '''send an email to options.email about the failure'''
 635     elapsed_minutes = elapsed_time / 60.0
 636     user = os.getenv("USER")
 637     if log_base is None:
 638         log_base = gitroot
 639     text = '''
 640 Dear Developer,
 641
 642 Your autobuild on %s failed after %.1f minutes
 643 when trying to test %s with the following error:
 644
 645    %s
 646
 647 the autobuild has been abandoned. Please fix the error and resubmit.
 648
 649 A summary of the autobuild process is here:
 650
 651   %s/autobuild.log
 652 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 653
 654     if options.restrict_tests:
 655         text += """
 656 The build was restricted to tests matching %s\n""" % options.restrict_tests
 657
 658     if failed_task != 'rebase':
 659         text += '''
 660 You can see logs of the failed task here:
 661
 662   %s/%s.stdout
 663   %s/%s.stderr
 664
 665 or you can get full logs of all tasks in this job here:
 666
 667   %s/logs.tar.gz
 668
 669 The top commit for the tree that was built was:
 670
 671 %s
 672
 673 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 674
 675     if add_log_tail:
 676         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 677         lines = f.readlines()
 678         log_tail = "".join(lines[-50:])
 679         num_lines = len(lines)
 680         if num_lines < 50:
 681             # Also include stderr (compile failures) if < 50 lines of stdout
 682             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 683             log_tail += "".join(f.readlines()[-(50-num_lines):])
 684
 685         text += '''
 686 The last 50 lines of log messages:
 687
 688 %s
 689     ''' % log_tail
 690         f.close()
 691
 692     logs = os.path.join(gitroot, 'logs.tar.gz')
 693     send_email('autobuild[%s] failure on %s for task %s during %s'
 694                % (options.branch, platform.node(), failed_task, failed_stage),
 695                text, logs)
 696
 697 def email_success(elapsed_time, log_base=None):
 698     '''send an email to options.email about a successful build'''
 699     user = os.getenv("USER")
 700     if log_base is None:
 701         log_base = gitroot
 702     text = '''
 703 Dear Developer,
 704
 705 Your autobuild on %s has succeeded after %.1f minutes.
 706
 707 ''' % (platform.node(), elapsed_time / 60.)
 708
 709     if options.restrict_tests:
 710         text += """
 711 The build was restricted to tests matching %s\n""" % options.restrict_tests
 712
 713     if options.keeplogs:
 714         text += '''
 715
 716 you can get full logs of all tasks in this job here:
 717
 718   %s/logs.tar.gz
 719
 720 ''' % log_base
 721
 722     text += '''
 723 The top commit for the tree that was built was:
 724
 725 %s
 726 ''' % top_commit_msg
 727
 728     logs = os.path.join(gitroot, 'logs.tar.gz')
 729     send_email('autobuild[%s] success on %s' % (options.branch, platform.node()),
 730                text, logs)
 731
 732
 733 (options, args) = parser.parse_args()
 734
 735 if options.retry:
 736     if options.rebase is None:
 737         raise Exception('You can only use --retry if you also rebase')
 738
 739 testbase = "%s/b%u" % (options.testbase, os.getpid())
 740 test_master = "%s/master" % testbase
 741 test_prefix = "%s/prefix" % testbase
 742 test_tmpdir = "%s/tmp" % testbase
 743 os.environ['TMPDIR'] = test_tmpdir
 744
 745 # get the top commit message, for emails
 746 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 747
 748 try:
 749     os.makedirs(testbase)
 750 except Exception as reason:
 751     raise Exception("Unable to create %s : %s" % (testbase, reason))
 752 cleanup_list.append(testbase)
 753
 754 if options.daemon:
 755     logfile = os.path.join(testbase, "log")
 756     do_print("Forking into the background, writing progress to %s" % logfile)
 757     daemonize(logfile)
 758
 759 write_pidfile(gitroot + "/autobuild.pid")
 760
 761 start_time = time.time()
 762
 763 while True:
 764     try:
 765         run_cmd("rm -rf %s" % test_tmpdir, show=True)
 766         os.makedirs(test_tmpdir)
 767         # The waf uninstall code removes empty directories all the way
 768         # up the tree.  Creating a file in test_tmpdir stops it from
 769         # being removed.
 770         run_cmd("touch %s" % os.path.join(test_tmpdir,
 771                                           ".directory-is-not-empty"), show=True)
 772         run_cmd("stat %s" % test_tmpdir, show=True)
 773         run_cmd("stat %s" % testbase, show=True)
 774         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 775     except Exception:
 776         cleanup()
 777         raise
 778
 779     try:
 780         try:
 781             if options.rebase is not None:
 782                 rebase_tree(options.rebase, rebase_branch=options.branch)
 783         except Exception:
 784             cleanup_list.append(gitroot + "/autobuild.pid")
 785             cleanup()
 786             elapsed_time = time.time() - start_time
 787             email_failure(-1, 'rebase', 'rebase', 'rebase',
 788                           'rebase on %s failed' % options.branch,
 789                           elapsed_time, log_base=options.log_base)
 790             sys.exit(1)
 791         blist = buildlist(args, options.rebase, rebase_branch=options.branch)
 792         if options.tail:
 793             blist.start_tail()
 794         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 795         if status != 0 or errstr != "retry":
 796             break
 797         cleanup()
 798     except Exception:
 799         cleanup()
 800         raise
 801
 802 cleanup_list.append(gitroot + "/autobuild.pid")
 803
 804 do_print(errstr)
 805
 806 blist.kill_kids()
 807 if options.tail:
 808     do_print("waiting for tail to flush")
 809     time.sleep(1)
 810
 811 elapsed_time = time.time() - start_time
 812 if status == 0:
 813     if options.passcmd is not None:
 814         do_print("Running passcmd: %s" % options.passcmd)
 815         run_cmd(options.passcmd, dir=test_master)
 816     if options.pushto is not None:
 817         push_to(options.pushto, push_branch=options.branch)
 818     if options.keeplogs or options.attach_logs:
 819         blist.tarlogs("logs.tar.gz")
 820         do_print("Logs in logs.tar.gz")
 821     if options.always_email:
 822         email_success(elapsed_time, log_base=options.log_base)
 823     blist.remove_logs()
 824     cleanup()
 825     do_print(errstr)
 826     sys.exit(0)
 827
 828 # something failed, gather a tar of the logs
 829 blist.tarlogs("logs.tar.gz")
 830
 831 if options.email is not None:
 832     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 833                   elapsed_time, log_base=options.log_base)
 834 else:
 835     elapsed_minutes = elapsed_time / 60.0
 836     print '''
 837
 838 ####################################################################
 839
 840 AUTOBUILD FAILURE
 841
 842 Your autobuild[%s] on %s failed after %.1f minutes
 843 when trying to test %s with the following error:
 844
 845    %s
 846
 847 the autobuild has been abandoned. Please fix the error and resubmit.
 848
 849 ####################################################################
 850
 851 ''' % (options.branch, platform.node(), elapsed_minutes, failed_task, errstr)
 852
 853 cleanup()
 854 do_print(errstr)
 855 do_print("Logs in logs.tar.gz")
 856 sys.exit(status)