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     "ldb"     : "lib/ldb",
  32     "tdb"     : "lib/tdb",
  33     "talloc"  : "lib/talloc",
  34     "replace" : "lib/replace",
  35     "tevent"  : "lib/tevent",
  36     "pidl"    : "pidl",
  37     "pass"    : ".",
  38     "fail"    : ".",
  39     "retry"   : "."
  40     }
  41
  42 defaulttasks = [ "ctdb", "samba", "samba-xc", "samba-o3", "samba-ctdb", "samba-libs", "samba-static", "ldb", "tdb", "talloc", "replace", "tevent", "pidl" ]
  43
  44 samba_configure_params = " --picky-developer ${PREFIX} ${EXTRA_PYTHON} --with-profiling-data"
  45
  46 samba_libs_envvars =  "PYTHONPATH=${PYTHON_PREFIX}/site-packages:$PYTHONPATH"
  47 samba_libs_envvars += " PKG_CONFIG_PATH=$PKG_CONFIG_PATH:${PREFIX_DIR}/lib/pkgconfig"
  48 samba_libs_envvars += " ADDITIONAL_CFLAGS='-Wmissing-prototypes'"
  49 samba_libs_configure_base = samba_libs_envvars + " ./configure --abi-check --enable-debug --picky-developer -C ${PREFIX} ${EXTRA_PYTHON}"
  50 samba_libs_configure_libs = samba_libs_configure_base + " --bundled-libraries=NONE"
  51 samba_libs_configure_samba = samba_libs_configure_base + " --bundled-libraries=!talloc,!pytalloc-util,!tdb,!pytdb,!ldb,!pyldb,!pyldb-util,!tevent,!pytevent"
  52
  53 if os.environ.get("AUTOBUILD_NO_EXTRA_PYTHON", "0") == "1":
  54     extra_python = ""
  55 else:
  56     extra_python = "--extra-python=/usr/bin/python3"
  57
  58 tasks = {
  59     "ctdb" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  60                ("configure", "./configure ${PREFIX}", "text/plain"),
  61                ("make", "make all", "text/plain"),
  62                ("install", "make install", "text/plain"),
  63                ("test", "make autotest", "text/plain"),
  64                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
  65                ("clean", "make clean", "text/plain") ],
  66
  67     # We have 'test' before 'install' because, 'test' should work without 'install'
  68     "samba" : [ ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  69                 ("make", "make -j", "text/plain"),
  70                 ("test", "make test FAIL_IMMEDIATELY=1", "text/plain"),
  71                 ("install", "make install", "text/plain"),
  72                 ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  73                 ("clean", "make clean", "text/plain") ],
  74
  75     # Test cross-compile infrastructure
  76     "samba-xc" : [ ("configure-native", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  77                    ("configure-cross-execute", "./configure.developer -b ./bin-xe --cross-compile --cross-execute=script/identity_cc.sh" \
  78                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xe/ab" + samba_configure_params, "text/plain"),
  79                    ("configure-cross-answers", "./configure.developer -b ./bin-xa --cross-compile" \
  80                     " --cross-answers=./bin-xe/cross-answers.txt --with-selftest-prefix=./bin-xa/ab" + samba_configure_params, "text/plain"),
  81                    ("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")],
  82
  83     # test build with -O3 -- catches extra warnings and bugs
  84     "samba-o3" : [ ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
  85                    ("configure", "ADDITIONAL_CFLAGS='-O3' ./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params, "text/plain"),
  86                    ("make", "make -j", "text/plain"),
  87                    ("test", "make quicktest FAIL_IMMEDIATELY=1 TESTS='\(ad_dc\)'", "text/plain"),
  88                    ("install", "make install", "text/plain"),
  89                    ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
  90                    ("clean", "make clean", "text/plain") ],
  91
  92     "samba-ctdb" : [ ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
  93
  94                      # make sure we have tdb around:
  95                      ("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 ${PREFIX}", "text/plain"),
  96                      ("tdb-make", "cd lib/tdb && make", "text/plain"),
  97                      ("tdb-install", "cd lib/tdb && make install", "text/plain"),
  98
  99
 100                      # build samba with cluster support (also building ctdb):
 101                      ("samba-configure", "PYTHONPATH=${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"),
 102                      ("samba-make", "make", "text/plain"),
 103                      ("samba-check", "./bin/smbd -b | grep CLUSTER_SUPPORT", "text/plain"),
 104                      ("samba-install", "make install", "text/plain"),
 105                      ("ctdb-check", "test -e ${PREFIX_DIR}/sbin/ctdbd", "text/plain"),
 106
 107                      # clean up:
 108                      ("check-clean-tree", "script/clean-source-tree.sh", "text/plain"),
 109                      ("clean", "make clean", "text/plain"),
 110                      ("ctdb-clean", "cd ./ctdb && make clean", "text/plain") ],
 111
 112     "samba-libs" : [
 113                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 114                       ("talloc-configure", "cd lib/talloc && " + samba_libs_configure_libs, "text/plain"),
 115                       ("talloc-make", "cd lib/talloc && make", "text/plain"),
 116                       ("talloc-install", "cd lib/talloc && make install", "text/plain"),
 117
 118                       ("tdb-configure", "cd lib/tdb && " + samba_libs_configure_libs, "text/plain"),
 119                       ("tdb-make", "cd lib/tdb && make", "text/plain"),
 120                       ("tdb-install", "cd lib/tdb && make install", "text/plain"),
 121
 122                       ("tevent-configure", "cd lib/tevent && " + samba_libs_configure_libs, "text/plain"),
 123                       ("tevent-make", "cd lib/tevent && make", "text/plain"),
 124                       ("tevent-install", "cd lib/tevent && make install", "text/plain"),
 125
 126                       ("ldb-configure", "cd lib/ldb && " + samba_libs_configure_libs, "text/plain"),
 127                       ("ldb-make", "cd lib/ldb && make", "text/plain"),
 128                       ("ldb-install", "cd lib/ldb && make install", "text/plain"),
 129
 130                       ("nondevel-configure", "./configure ${PREFIX}", "text/plain"),
 131                       ("nondevel-make", "make -j", "text/plain"),
 132                       ("nondevel-check", "./bin/smbd -b | grep WITH_NTVFS_FILESERVER && exit 1; exit 0", "text/plain"),
 133                       ("nondevel-install", "make install", "text/plain"),
 134                       ("nondevel-dist", "make dist", "text/plain"),
 135
 136                       # retry with all modules shared
 137                       ("allshared-distclean", "make distclean", "text/plain"),
 138                       ("allshared-configure", samba_libs_configure_samba + " --with-shared-modules=ALL", "text/plain"),
 139                       ("allshared-make", "make -j", "text/plain")],
 140
 141     "samba-static" : [
 142                       ("random-sleep", "script/random-sleep.sh 60 600", "text/plain"),
 143                       # build with all modules static
 144                       ("allstatic-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=ALL", "text/plain"),
 145                       ("allstatic-make", "make -j", "text/plain"),
 146
 147                       # retry without any required modules
 148                       ("none-distclean", "make distclean", "text/plain"),
 149                       ("none-configure", "./configure.developer " + samba_configure_params + " --with-static-modules=!FORCED,!DEFAULT --with-shared-modules=!FORCED,!DEFAULT", "text/plain"),
 150                       ("none-make", "make -j", "text/plain"),
 151
 152                       # retry with nonshared smbd and smbtorture
 153                       ("nonshared-distclean", "make distclean", "text/plain"),
 154                       ("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"),
 155                       ("nonshared-make", "make -j", "text/plain")],
 156
 157     "ldb" : [
 158               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 159               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 160               ("make", "make", "text/plain"),
 161               ("install", "make install", "text/plain"),
 162               ("test", "make test", "text/plain"),
 163               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 164               ("distcheck", "make distcheck", "text/plain"),
 165               ("clean", "make clean", "text/plain") ],
 166
 167     "tdb" : [
 168               ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 169               ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 170               ("make", "make", "text/plain"),
 171               ("install", "make install", "text/plain"),
 172               ("test", "make test", "text/plain"),
 173               ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 174               ("distcheck", "make distcheck", "text/plain"),
 175               ("clean", "make clean", "text/plain") ],
 176
 177     "talloc" : [
 178                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 179                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 180                  ("make", "make", "text/plain"),
 181                  ("install", "make install", "text/plain"),
 182                  ("test", "make test", "text/plain"),
 183                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 184                  ("distcheck", "make distcheck", "text/plain"),
 185                  ("clean", "make clean", "text/plain") ],
 186
 187     "replace" : [
 188                   ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 189                   ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
 190                   ("make", "make", "text/plain"),
 191                   ("install", "make install", "text/plain"),
 192                   ("test", "make test", "text/plain"),
 193                   ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 194                   ("distcheck", "make distcheck", "text/plain"),
 195                   ("clean", "make clean", "text/plain") ],
 196
 197     "tevent" : [
 198                  ("random-sleep", "../../script/random-sleep.sh 60 600", "text/plain"),
 199                  ("configure", "./configure --enable-developer -C ${PREFIX} ${EXTRA_PYTHON}", "text/plain"),
 200                  ("make", "make", "text/plain"),
 201                  ("install", "make install", "text/plain"),
 202                  ("test", "make test", "text/plain"),
 203                  ("check-clean-tree", "../../script/clean-source-tree.sh", "text/plain"),
 204                  ("distcheck", "make distcheck", "text/plain"),
 205                  ("clean", "make clean", "text/plain") ],
 206
 207     "pidl" : [
 208                ("random-sleep", "../script/random-sleep.sh 60 600", "text/plain"),
 209                ("configure", "perl Makefile.PL PREFIX=${PREFIX_DIR}", "text/plain"),
 210                ("touch", "touch *.yp", "text/plain"),
 211                ("make", "make", "text/plain"),
 212                ("test", "make test", "text/plain"),
 213                ("install", "make install", "text/plain"),
 214                ("checkout-yapp-generated", "git checkout lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm", "text/plain"),
 215                ("check-clean-tree", "../script/clean-source-tree.sh", "text/plain"),
 216                ("clean", "make clean", "text/plain") ],
 217
 218     # these are useful for debugging autobuild
 219     'pass' : [ ("pass", 'echo passing && /bin/true', "text/plain") ],
 220     'fail' : [ ("fail", 'echo failing && /bin/false', "text/plain") ]
 221 }
 222
 223 def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
 224     if show is None:
 225         show = options.verbose
 226     if show:
 227         print("Running: '%s' in '%s'" % (cmd, dir))
 228     if output:
 229         return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
 230     elif checkfail:
 231         return check_call(cmd, shell=True, cwd=dir)
 232     else:
 233         return call(cmd, shell=True, cwd=dir)
 234
 235
 236 class builder(object):
 237     '''handle build of one directory'''
 238
 239     def __init__(self, name, sequence, cp=True):
 240         self.name = name
 241         self.dir = builddirs[name]
 242
 243         self.tag = self.name.replace('/', '_')
 244         self.sequence = sequence
 245         self.next = 0
 246         self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
 247         self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
 248         if options.verbose:
 249             print("stdout for %s in %s" % (self.name, self.stdout_path))
 250             print("stderr for %s in %s" % (self.name, self.stderr_path))
 251         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
 252         self.stdout = open(self.stdout_path, 'w')
 253         self.stderr = open(self.stderr_path, 'w')
 254         self.stdin  = open("/dev/null", 'r')
 255         self.sdir = "%s/%s" % (testbase, self.tag)
 256         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
 257         run_cmd("rm -rf %s" % self.sdir)
 258         cleanup_list.append(self.sdir)
 259         cleanup_list.append(self.prefix)
 260         os.makedirs(self.sdir)
 261         run_cmd("rm -rf %s" % self.sdir)
 262         if cp:
 263             run_cmd("cp --recursive --link --archive %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 264         else:
 265             run_cmd("git clone --recursive --shared %s %s" % (test_master, self.sdir), dir=test_master, show=True)
 266         self.start_next()
 267
 268     def start_next(self):
 269         if self.next == len(self.sequence):
 270             print '%s: Completed OK' % self.name
 271             self.done = True
 272             return
 273         (self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
 274         self.cmd = self.cmd.replace("${PYTHON_PREFIX}", get_python_lib(standard_lib=1, prefix=self.prefix))
 275         self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
 276         self.cmd = self.cmd.replace("${EXTRA_PYTHON}", "%s" % extra_python)
 277         self.cmd = self.cmd.replace("${PREFIX_DIR}", "%s" % self.prefix)
 278 #        if self.output_mime_type == "text/x-subunit":
 279 #            self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
 280         print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
 281         cwd = os.getcwd()
 282         os.chdir("%s/%s" % (self.sdir, self.dir))
 283         self.proc = Popen(self.cmd, shell=True,
 284                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 285         os.chdir(cwd)
 286         self.next += 1
 287
 288
 289 class buildlist(object):
 290     '''handle build of multiple directories'''
 291
 292     def __init__(self, tasklist, tasknames, rebase_url, rebase_branch="master"):
 293         global tasks
 294         self.tlist = []
 295         self.tail_proc = None
 296         self.retry = None
 297         if tasknames == []:
 298             tasknames = defaulttasks
 299         else:
 300             # If we are only running one test,
 301             # do not sleep randomly to wait for it to start
 302             os.environ['AUTOBUILD_RANDOM_SLEEP_OVERRIDE'] = '1'
 303
 304         for n in tasknames:
 305             b = builder(n, tasks[n], cp=n is not "pidl")
 306             self.tlist.append(b)
 307         if options.retry:
 308             rebase_remote = "rebaseon"
 309             retry_task = [ ("retry",
 310                             '''set -e
 311                             git remote add -t %s %s %s
 312                             git fetch %s
 313                             while :; do
 314                               sleep 60
 315                               git describe %s/%s > old_remote_branch.desc
 316                               git fetch %s
 317                               git describe %s/%s > remote_branch.desc
 318                               diff old_remote_branch.desc remote_branch.desc
 319                             done
 320                            ''' % (
 321                                rebase_branch, rebase_remote, rebase_url,
 322                                rebase_remote,
 323                                rebase_remote, rebase_branch,
 324                                rebase_remote,
 325                                rebase_remote, rebase_branch
 326                            ),
 327                            "test/plain" ) ]
 328
 329             self.retry = builder('retry', retry_task, cp=False)
 330             self.need_retry = False
 331
 332     def kill_kids(self):
 333         if self.tail_proc is not None:
 334             self.tail_proc.terminate()
 335             self.tail_proc.wait()
 336             self.tail_proc = None
 337         if self.retry is not None:
 338             self.retry.proc.terminate()
 339             self.retry.proc.wait()
 340             self.retry = None
 341         for b in self.tlist:
 342             if b.proc is not None:
 343                 run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
 344                 b.proc.terminate()
 345                 b.proc.wait()
 346                 b.proc = None
 347
 348     def wait_one(self):
 349         while True:
 350             none_running = True
 351             for b in self.tlist:
 352                 if b.proc is None:
 353                     continue
 354                 none_running = False
 355                 b.status = b.proc.poll()
 356                 if b.status is None:
 357                     continue
 358                 b.proc = None
 359                 return b
 360             if options.retry:
 361                 ret = self.retry.proc.poll()
 362                 if ret is not None:
 363                     self.need_retry = True
 364                     self.retry = None
 365                     return None
 366             if none_running:
 367                 return None
 368             time.sleep(0.1)
 369
 370     def run(self):
 371         while True:
 372             b = self.wait_one()
 373             if options.retry and self.need_retry:
 374                 self.kill_kids()
 375                 print("retry needed")
 376                 return (0, None, None, None, "retry")
 377             if b is None:
 378                 break
 379             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 380                 self.kill_kids()
 381                 return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
 382             b.start_next()
 383         self.kill_kids()
 384         return (0, None, None, None, "All OK")
 385
 386     def write_system_info(self):
 387         filename = 'system-info.txt'
 388         f = open(filename, 'w')
 389         for cmd in ['uname -a', 'free', 'cat /proc/cpuinfo']:
 390             print >>f, '### %s' % cmd
 391             print >>f, run_cmd(cmd, output=True, checkfail=False)
 392             print >>f
 393         f.close()
 394         return filename
 395
 396     def tarlogs(self, fname):
 397         tar = tarfile.open(fname, "w:gz")
 398         for b in self.tlist:
 399             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 400             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 401         if os.path.exists("autobuild.log"):
 402             tar.add("autobuild.log")
 403         sys_info = self.write_system_info()
 404         tar.add(sys_info)
 405         tar.close()
 406
 407     def remove_logs(self):
 408         for b in self.tlist:
 409             os.unlink(b.stdout_path)
 410             os.unlink(b.stderr_path)
 411
 412     def start_tail(self):
 413         cwd = os.getcwd()
 414         cmd = "tail -f *.stdout *.stderr"
 415         os.chdir(gitroot)
 416         self.tail_proc = Popen(cmd, shell=True)
 417         os.chdir(cwd)
 418
 419
 420 def cleanup():
 421     if options.nocleanup:
 422         return
 423     print("Cleaning up ....")
 424     for d in cleanup_list:
 425         run_cmd("rm -rf %s" % d)
 426
 427
 428 def find_git_root():
 429     '''get to the top of the git repo'''
 430     p=os.getcwd()
 431     while p != '/':
 432         if os.path.isdir(os.path.join(p, ".git")):
 433             return p
 434         p = os.path.abspath(os.path.join(p, '..'))
 435     return None
 436
 437
 438 def daemonize(logfile):
 439     pid = os.fork()
 440     if pid == 0: # Parent
 441         os.setsid()
 442         pid = os.fork()
 443         if pid != 0: # Actual daemon
 444             os._exit(0)
 445     else: # Grandparent
 446         os._exit(0)
 447
 448     import resource      # Resource usage information.
 449     maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
 450     if maxfd == resource.RLIM_INFINITY:
 451         maxfd = 1024 # Rough guess at maximum number of open file descriptors.
 452     for fd in range(0, maxfd):
 453         try:
 454             os.close(fd)
 455         except OSError:
 456             pass
 457     os.open(logfile, os.O_RDWR | os.O_CREAT)
 458     os.dup2(0, 1)
 459     os.dup2(0, 2)
 460
 461 def write_pidfile(fname):
 462     '''write a pid file, cleanup on exit'''
 463     f = open(fname, mode='w')
 464     f.write("%u\n" % os.getpid())
 465     f.close()
 466
 467
 468 def rebase_tree(rebase_url, rebase_branch = "master"):
 469     rebase_remote = "rebaseon"
 470     print("Rebasing on %s" % rebase_url)
 471     run_cmd("git describe HEAD", show=True, dir=test_master)
 472     run_cmd("git remote add -t %s %s %s" %
 473             (rebase_branch, rebase_remote, rebase_url),
 474             show=True, dir=test_master)
 475     run_cmd("git fetch %s" % rebase_remote, show=True, dir=test_master)
 476     if options.fix_whitespace:
 477         run_cmd("git rebase --force-rebase --whitespace=fix %s/%s" %
 478                 (rebase_remote, rebase_branch),
 479                 show=True, dir=test_master)
 480     else:
 481         run_cmd("git rebase --force-rebase %s/%s" %
 482                 (rebase_remote, rebase_branch),
 483                 show=True, dir=test_master)
 484     diff = run_cmd("git --no-pager diff HEAD %s/%s" %
 485                    (rebase_remote, rebase_branch),
 486                    dir=test_master, output=True)
 487     if diff == '':
 488         print("No differences between HEAD and %s/%s - exiting" %
 489               (rebase_remote, rebase_branch))
 490         sys.exit(0)
 491     run_cmd("git describe %s/%s" %
 492             (rebase_remote, rebase_branch),
 493             show=True, dir=test_master)
 494     run_cmd("git describe HEAD", show=True, dir=test_master)
 495     run_cmd("git --no-pager diff --stat HEAD %s/%s" %
 496             (rebase_remote, rebase_branch),
 497             show=True, dir=test_master)
 498
 499 def push_to(push_url, push_branch = "master"):
 500     push_remote = "pushto"
 501     print("Pushing to %s" % push_url)
 502     if options.mark:
 503         run_cmd("git config --replace-all core.editor script/commit_mark.sh", dir=test_master)
 504         run_cmd("git commit --amend -c HEAD", dir=test_master)
 505         # the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
 506         # run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
 507     run_cmd("git remote add -t %s %s %s" %
 508             (push_branch, push_remote, push_url),
 509             show=True, dir=test_master)
 510     run_cmd("git push %s +HEAD:%s" %
 511             (push_remote, push_branch),
 512             show=True, dir=test_master)
 513
 514 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 515
 516 gitroot = find_git_root()
 517 if gitroot is None:
 518     raise Exception("Failed to find git root")
 519
 520 parser = OptionParser()
 521 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 522 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 523 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 524 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 525                   default=def_testbase)
 526 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 527 parser.add_option("", "--verbose", help="show all commands as they are run",
 528                   default=False, action="store_true")
 529 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 530                   default=None, type='str')
 531 parser.add_option("", "--pushto", help="push to a git url on success",
 532                   default=None, type='str')
 533 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 534                   default=False, action="store_true")
 535 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 536                   default=False, action="store_true")
 537 parser.add_option("", "--retry", help="automatically retry if master changes",
 538                   default=False, action="store_true")
 539 parser.add_option("", "--email", help="send email to the given address on failure",
 540                   type='str', default=None)
 541 parser.add_option("", "--email-from", help="send email from the given address",
 542                   type='str', default="autobuild@samba.org")
 543 parser.add_option("", "--email-server", help="send email via the given server",
 544                   type='str', default='localhost')
 545 parser.add_option("", "--always-email", help="always send email, even on success",
 546                   action="store_true")
 547 parser.add_option("", "--daemon", help="daemonize after initial setup",
 548                   action="store_true")
 549 parser.add_option("", "--branch", help="the branch to work on (default=master)",
 550                   default="master", type='str')
 551 parser.add_option("", "--log-base", help="location where the logs can be found (default=cwd)",
 552                   default=gitroot, type='str')
 553 parser.add_option("", "--attach-logs", help="Attach logs to mails sent on success/failure?",
 554                   default=False, action="store_true")
 555
 556 def send_email(subject, text, log_tar):
 557     outer = MIMEMultipart()
 558     outer['Subject'] = subject
 559     outer['To'] = options.email
 560     outer['From'] = options.email_from
 561     outer['Date'] = email.utils.formatdate(localtime = True)
 562     outer.preamble = 'Autobuild mails are now in MIME because we optionally attach the logs.\n'
 563     outer.attach(MIMEText(text, 'plain'))
 564     if options.attach_logs:
 565         fp = open(log_tar, 'rb')
 566         msg = MIMEApplication(fp.read(), 'gzip', email.encoders.encode_base64)
 567         fp.close()
 568         # Set the filename parameter
 569         msg.add_header('Content-Disposition', 'attachment', filename=os.path.basename(log_tar))
 570         outer.attach(msg)
 571     content = outer.as_string()
 572     s = smtplib.SMTP(options.email_server)
 573     s.sendmail(options.email_from, [options.email], content)
 574     s.set_debuglevel(1)
 575     s.quit()
 576
 577 def email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 578                   elapsed_time, log_base=None, add_log_tail=True):
 579     '''send an email to options.email about the failure'''
 580     elapsed_minutes = elapsed_time / 60.0
 581     user = os.getenv("USER")
 582     if log_base is None:
 583         log_base = gitroot
 584     text = '''
 585 Dear Developer,
 586
 587 Your autobuild on %s failed after %.1f minutes
 588 when trying to test %s with the following error:
 589
 590    %s
 591
 592 the autobuild has been abandoned. Please fix the error and resubmit.
 593
 594 A summary of the autobuild process is here:
 595
 596   %s/autobuild.log
 597 ''' % (platform.node(), elapsed_minutes, failed_task, errstr, log_base)
 598
 599     if failed_task != 'rebase':
 600         text += '''
 601 You can see logs of the failed task here:
 602
 603   %s/%s.stdout
 604   %s/%s.stderr
 605
 606 or you can get full logs of all tasks in this job here:
 607
 608   %s/logs.tar.gz
 609
 610 The top commit for the tree that was built was:
 611
 612 %s
 613
 614 ''' % (log_base, failed_tag, log_base, failed_tag, log_base, top_commit_msg)
 615
 616     if add_log_tail:
 617         f = open("%s/%s.stdout" % (gitroot, failed_tag), 'r')
 618         lines = f.readlines()
 619         log_tail = "".join(lines[-50:])
 620         num_lines = len(lines)
 621         if num_lines < 50:
 622             # Also include stderr (compile failures) if < 50 lines of stdout
 623             f = open("%s/%s.stderr" % (gitroot, failed_tag), 'r')
 624             log_tail += "".join(f.readlines()[-(50-num_lines):])
 625
 626         text += '''
 627 The last 50 lines of log messages:
 628
 629 %s
 630     ''' % log_tail
 631         f.close()
 632
 633     logs = os.path.join(gitroot, 'logs.tar.gz')
 634     send_email('autobuild failure on %s for task %s during %s'
 635                % (platform.node(), failed_task, failed_stage),
 636                text, logs)
 637
 638 def email_success(elapsed_time, log_base=None):
 639     '''send an email to options.email about a successful build'''
 640     user = os.getenv("USER")
 641     if log_base is None:
 642         log_base = gitroot
 643     text = '''
 644 Dear Developer,
 645
 646 Your autobuild on %s has succeeded after %.1f minutes.
 647
 648 ''' % (platform.node(), elapsed_time / 60.)
 649
 650     if options.keeplogs:
 651         text += '''
 652
 653 you can get full logs of all tasks in this job here:
 654
 655   %s/logs.tar.gz
 656
 657 ''' % log_base
 658
 659     text += '''
 660 The top commit for the tree that was built was:
 661
 662 %s
 663 ''' % top_commit_msg
 664
 665     logs = os.path.join(gitroot, 'logs.tar.gz')
 666     send_email('autobuild success on %s' % platform.node(),
 667                text, logs)
 668
 669
 670 (options, args) = parser.parse_args()
 671
 672 if options.retry:
 673     if options.rebase is None:
 674         raise Exception('You can only use --retry if you also rebase')
 675
 676 testbase = "%s/b%u" % (options.testbase, os.getpid())
 677 test_master = "%s/master" % testbase
 678
 679 # get the top commit message, for emails
 680 top_commit_msg = run_cmd("git log -1", dir=gitroot, output=True)
 681
 682 try:
 683     os.makedirs(testbase)
 684 except Exception, reason:
 685     raise Exception("Unable to create %s : %s" % (testbase, reason))
 686 cleanup_list.append(testbase)
 687
 688 if options.daemon:
 689     logfile = os.path.join(testbase, "log")
 690     print "Forking into the background, writing progress to %s" % logfile
 691     daemonize(logfile)
 692
 693 write_pidfile(gitroot + "/autobuild.pid")
 694
 695 start_time = time.time()
 696
 697 while True:
 698     try:
 699         run_cmd("rm -rf %s" % test_master)
 700         cleanup_list.append(test_master)
 701         run_cmd("git clone --recursive --shared %s %s" % (gitroot, test_master), show=True, dir=gitroot)
 702     except Exception:
 703         cleanup()
 704         raise
 705
 706     try:
 707         try:
 708             if options.rebase is not None:
 709                 rebase_tree(options.rebase, rebase_branch=options.branch)
 710         except Exception:
 711             cleanup_list.append(gitroot + "/autobuild.pid")
 712             cleanup()
 713             elapsed_time = time.time() - start_time
 714             email_failure(-1, 'rebase', 'rebase', 'rebase',
 715                           'rebase on %s failed' % options.branch,
 716                           elapsed_time, log_base=options.log_base)
 717             sys.exit(1)
 718         blist = buildlist(tasks, args, options.rebase, rebase_branch=options.branch)
 719         if options.tail:
 720             blist.start_tail()
 721         (status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
 722         if status != 0 or errstr != "retry":
 723             break
 724         cleanup()
 725     except Exception:
 726         cleanup()
 727         raise
 728
 729 cleanup_list.append(gitroot + "/autobuild.pid")
 730
 731 blist.kill_kids()
 732 if options.tail:
 733     print("waiting for tail to flush")
 734     time.sleep(1)
 735
 736 elapsed_time = time.time() - start_time
 737 if status == 0:
 738     print errstr
 739     if options.passcmd is not None:
 740         print("Running passcmd: %s" % options.passcmd)
 741         run_cmd(options.passcmd, dir=test_master)
 742     if options.pushto is not None:
 743         push_to(options.pushto, push_branch=options.branch)
 744     if options.keeplogs or options.attach_logs:
 745         blist.tarlogs("logs.tar.gz")
 746         print("Logs in logs.tar.gz")
 747     if options.always_email:
 748         email_success(elapsed_time, log_base=options.log_base)
 749     blist.remove_logs()
 750     cleanup()
 751     print(errstr)
 752     sys.exit(0)
 753
 754 # something failed, gather a tar of the logs
 755 blist.tarlogs("logs.tar.gz")
 756
 757 if options.email is not None:
 758     email_failure(status, failed_task, failed_stage, failed_tag, errstr,
 759                   elapsed_time, log_base=options.log_base)
 760 else:
 761     elapsed_minutes = elapsed_time / 60.0
 762     print '''
 763
 764 ####################################################################
 765
 766 AUTOBUILD FAILURE
 767
 768 Your autobuild on %s failed after %.1f minutes
 769 when trying to test %s with the following error:
 770
 771    %s
 772
 773 the autobuild has been abandoned. Please fix the error and resubmit.
 774
 775 ####################################################################
 776
 777 ''' % (platform.node(), elapsed_minutes, failed_task, errstr)
 778
 779 cleanup()
 780 print(errstr)
 781 print("Logs in logs.tar.gz")
 782 sys.exit(status)