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 Popen, PIPE
   7 import os, signal, tarfile, sys, time
   8 from optparse import OptionParser
   9
  10
  11 samba_master = os.getenv('SAMBA_MASTER', 'git://git.samba.org/samba.git')
  12 samba_master_ssh = os.getenv('SAMBA_MASTER_SSH', 'git+ssh://git.samba.org/data/git/samba.git')
  13
  14 cleanup_list = []
  15
  16 tasks = {
  17     "source3" : [ "./autogen.sh",
  18                   "./configure.developer ${PREFIX}",
  19                   "make basics",
  20                   "make -j 4 everything", # don't use too many processes
  21                   "make install",
  22                   "TDB_NO_FSYNC=1 make test" ],
  23
  24     "source4" : [ "./autogen.sh",
  25                   "./configure.developer ${PREFIX}",
  26                   "make -j",
  27                   "make install",
  28                   "TDB_NO_FSYNC=1 make test" ],
  29
  30     "source4/lib/ldb" : [ "./autogen-waf.sh",
  31                           "./configure --enable-developer -C ${PREFIX}",
  32                           "make -j",
  33                           "make install",
  34                           "make test" ],
  35
  36     "lib/tdb" : [ "./autogen-waf.sh",
  37                   "./configure --enable-developer -C ${PREFIX}",
  38                   "make -j",
  39                   "make install",
  40                   "make test" ],
  41
  42     "lib/talloc" : [ "./autogen-waf.sh",
  43                      "./configure --enable-developer -C ${PREFIX}",
  44                      "make -j",
  45                      "make install",
  46                      "make test" ],
  47
  48     "lib/replace" : [ "./autogen-waf.sh",
  49                       "./configure --enable-developer -C ${PREFIX}",
  50                       "make -j",
  51                       "make install",
  52                       "make test" ],
  53
  54     "lib/tevent" : [ "./autogen-waf.sh",
  55                      "./configure --enable-developer -C ${PREFIX}",
  56                      "make -j",
  57                      "make install",
  58                      "make test" ],
  59 }
  60
  61 def run_cmd(cmd, dir=".", show=None):
  62     cwd = os.getcwd()
  63     os.chdir(dir)
  64     if show is None:
  65         show = options.verbose
  66     if show:
  67         print("Running: '%s' in '%s'" % (cmd, dir))
  68     ret = os.system(cmd)
  69     os.chdir(cwd)
  70     if ret != 0:
  71         raise Exception("FAILED %s: %d" % (cmd, ret))
  72
  73 class builder:
  74     '''handle build of one directory'''
  75     def __init__(self, name, sequence):
  76         self.name = name
  77         self.dir = self.name
  78         if name == 'pass' or name == 'fail':
  79             self.dir = "."
  80         self.tag = self.name.replace('/', '_')
  81         self.sequence = sequence
  82         self.next = 0
  83         self.stdout_path = "%s/%s.stdout" % (testbase, self.tag)
  84         self.stderr_path = "%s/%s.stderr" % (testbase, self.tag)
  85         cleanup_list.append(self.stdout_path)
  86         cleanup_list.append(self.stderr_path)
  87         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
  88         self.stdout = open(self.stdout_path, 'w')
  89         self.stderr = open(self.stderr_path, 'w')
  90         self.stdin  = open("/dev/null", 'r')
  91         self.sdir = "%s/%s" % (testbase, self.tag)
  92         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
  93         run_cmd("rm -rf %s" % self.sdir)
  94         cleanup_list.append(self.sdir)
  95         cleanup_list.append(self.prefix)
  96         os.makedirs(self.sdir)
  97         run_cmd("rm -rf %s" % self.sdir)
  98         run_cmd("git clone --shared %s %s" % (gitroot, self.sdir))
  99         self.start_next()
 100
 101     def start_next(self):
 102         if self.next == len(self.sequence):
 103             print '%s: Completed OK' % self.name
 104             self.done = True
 105             return
 106         self.cmd = self.sequence[self.next].replace("${PREFIX}", "--prefix=%s" % self.prefix)
 107         print '%s: Running %s' % (self.name, self.cmd)
 108         cwd = os.getcwd()
 109         os.chdir("%s/%s" % (self.sdir, self.dir))
 110         self.proc = Popen(self.cmd, shell=True,
 111                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 112         os.chdir(cwd)
 113         self.next += 1
 114
 115
 116 class buildlist:
 117     '''handle build of multiple directories'''
 118     def __init__(self, tasklist, tasknames):
 119         self.tlist = []
 120         self.tail_proc = None
 121         if tasknames == ['pass']:
 122             tasks = { 'pass' : [ '/bin/true' ]}
 123         if tasknames == ['fail']:
 124             tasks = { 'fail' : [ '/bin/false' ]}
 125         if tasknames == []:
 126             tasknames = tasklist
 127         for n in tasknames:
 128             b = builder(n, tasks[n])
 129             self.tlist.append(b)
 130
 131     def kill_kids(self):
 132         for b in self.tlist:
 133             if b.proc is not None:
 134                 b.proc.terminate()
 135                 b.proc.wait()
 136                 b.proc = None
 137         if self.tail_proc is not None:
 138             self.tail_proc.terminate()
 139             self.tail_proc.wait()
 140             self.tail_proc = None
 141
 142     def wait_one(self):
 143         while True:
 144             none_running = True
 145             for b in self.tlist:
 146                 if b.proc is None:
 147                     continue
 148                 none_running = False
 149                 b.status = b.proc.poll()
 150                 if b.status is None:
 151                     continue
 152                 b.proc = None
 153                 return b
 154             if none_running:
 155                 return None
 156             time.sleep(0.1)
 157
 158     def run(self):
 159         while True:
 160             b = self.wait_one()
 161             if b is None:
 162                 break
 163             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 164                 self.kill_kids()
 165                 return (b.status, "%s: failed '%s' with status %d" % (b.name, b.cmd, b.status))
 166             b.start_next()
 167         self.kill_kids()
 168         return (0, "All OK")
 169
 170     def tarlogs(self, fname):
 171         tar = tarfile.open(fname, "w:gz")
 172         for b in self.tlist:
 173             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 174             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 175         tar.close()
 176
 177     def remove_logs(self):
 178         for b in self.tlist:
 179             os.unlink(b.stdout_path)
 180             os.unlink(b.stderr_path)
 181
 182     def start_tail(self):
 183         cwd = os.getcwd()
 184         cmd = "tail -f *.stdout *.stderr"
 185         os.chdir(testbase)
 186         self.tail_proc = Popen(cmd, shell=True)
 187         os.chdir(cwd)
 188
 189
 190 def cleanup():
 191     if options.nocleanup:
 192         return
 193     print("Cleaning up ....")
 194     for d in cleanup_list:
 195         run_cmd("rm -rf %s" % d)
 196
 197
 198 def find_git_root():
 199     '''get to the top of the git repo'''
 200     cwd=os.getcwd()
 201     while os.getcwd() != '/':
 202         try:
 203             os.stat(".git")
 204             ret = os.getcwd()
 205             os.chdir(cwd)
 206             return ret
 207         except:
 208             os.chdir("..")
 209             pass
 210     os.chdir(cwd)
 211     return None
 212
 213 def rebase_tree(url):
 214     print("Rebasing on %s" % url)
 215     run_cmd("git remote add -t master master %s" % url, show=True, dir=test_master)
 216     run_cmd("git fetch master", show=True, dir=test_master)
 217     run_cmd("git rebase master/master", show=True, dir=test_master)
 218
 219 def push_to(url):
 220     print("Pushing to %s" % url)
 221     if options.mark:
 222         run_cmd("EDITOR=script/commit_mark.sh git commit --amend -c HEAD", dir=test_master)
 223     run_cmd("git remote add -t master pushto %s" % url, show=True, dir=test_master)
 224     run_cmd("git push pushto +HEAD:master", show=True, dir=test_master)
 225
 226 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 227
 228 parser = OptionParser()
 229 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 230 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 231 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 232 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 233                   default=def_testbase)
 234 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 235 parser.add_option("", "--verbose", help="show all commands as they are run",
 236                   default=False, action="store_true")
 237 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 238                   default=None, type='str')
 239 parser.add_option("", "--rebase-master", help="rebase on %s before testing" % samba_master,
 240                   default=False, action='store_true')
 241 parser.add_option("", "--pushto", help="push to a git url on success",
 242                   default=None, type='str')
 243 parser.add_option("", "--push-master", help="push to %s on success" % samba_master_ssh,
 244                   default=False, action='store_true')
 245 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 246                   default=False, action="store_true")
 247
 248
 249 (options, args) = parser.parse_args()
 250
 251 testbase = "%s/build.%u" % (options.testbase, os.getpid())
 252 test_master = "%s/master" % testbase
 253
 254 gitroot = find_git_root()
 255 if gitroot is None:
 256     raise Exception("Failed to find git root")
 257
 258 try:
 259     os.makedirs(testbase)
 260 except Exception, reason:
 261     raise Exception("Unable to create %s : %s" % (testbase, reason))
 262 cleanup_list.append(testbase)
 263
 264 try:
 265     run_cmd("rm -rf %s" % test_master)
 266     cleanup_list.append(test_master)
 267     run_cmd("git clone --shared %s %s" % (gitroot, test_master))
 268 except:
 269     cleanup()
 270     raise
 271
 272 try:
 273     if options.rebase is not None:
 274         rebase_tree(options.rebase)
 275     elif options.rebase_master:
 276         rebase_tree(samba_master)
 277     blist = buildlist(tasks, args)
 278     if options.tail:
 279         blist.start_tail()
 280     (status, errstr) = blist.run()
 281 except:
 282     cleanup()
 283     raise
 284
 285 blist.kill_kids()
 286 if options.tail:
 287     print("waiting for tail to flush")
 288     time.sleep(1)
 289
 290 if status == 0:
 291     print errstr
 292     if options.passcmd is not None:
 293         print("Running passcmd: %s" % options.passcmd)
 294         run_cmd(options.passcmd, dir=test_master)
 295     if options.pushto is not None:
 296         push_to(options.pushto)
 297     elif options.push_master:
 298         push_to(samba_master_ssh)
 299     if options.keeplogs:
 300         blist.tarlogs("logs.tar.gz")
 301         print("Logs in logs.tar.gz")
 302     blist.remove_logs()
 303     cleanup()
 304     print(errstr)
 305     sys.exit(0)
 306
 307 # something failed, gather a tar of the logs
 308 blist.tarlogs("logs.tar.gz")
 309 blist.remove_logs()
 310 cleanup()
 311 print(errstr)
 312 print("Logs in logs.tar.gz")
 313 sys.exit(os.WEXITSTATUS(status))