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 os.putenv('CC', "ccache gcc")
  17
  18 tasks = {
  19     "source3" : [ "./autogen.sh",
  20                   "./configure.developer ${PREFIX}",
  21                   "make basics",
  22                   "make -j 4 everything", # don't use too many processes
  23                   "make install",
  24                   "TDB_NO_FSYNC=1 make test" ],
  25
  26     "source4" : [ "./autogen.sh",
  27                   "./configure.developer ${PREFIX}",
  28                   "make -j",
  29                   "make install",
  30                   "TDB_NO_FSYNC=1 make test" ],
  31
  32     "source4/lib/ldb" : [ "./autogen-waf.sh",
  33                           "./configure --enable-developer -C ${PREFIX}",
  34                           "make -j",
  35                           "make install",
  36                           "make test" ],
  37
  38     "lib/tdb" : [ "./autogen-waf.sh",
  39                   "./configure --enable-developer -C ${PREFIX}",
  40                   "make -j",
  41                   "make install",
  42                   "make test" ],
  43
  44     "lib/talloc" : [ "./autogen-waf.sh",
  45                      "./configure --enable-developer -C ${PREFIX}",
  46                      "make -j",
  47                      "make install",
  48                      "make test" ],
  49
  50     "lib/replace" : [ "./autogen-waf.sh",
  51                       "./configure --enable-developer -C ${PREFIX}",
  52                       "make -j",
  53                       "make install",
  54                       "make test" ],
  55
  56     "lib/tevent" : [ "./autogen-waf.sh",
  57                      "./configure --enable-developer -C ${PREFIX}",
  58                      "make -j",
  59                      "make install",
  60                      "make test" ],
  61 }
  62
  63 def run_cmd(cmd, dir=".", show=None):
  64     cwd = os.getcwd()
  65     os.chdir(dir)
  66     if show is None:
  67         show = options.verbose
  68     if show:
  69         print("Running: '%s' in '%s'" % (cmd, dir))
  70     ret = os.system(cmd)
  71     os.chdir(cwd)
  72     if ret != 0:
  73         raise Exception("FAILED %s: %d" % (cmd, ret))
  74
  75 class builder:
  76     '''handle build of one directory'''
  77     def __init__(self, name, sequence):
  78         self.name = name
  79         self.dir = self.name
  80         if name == 'pass' or name == 'fail':
  81             self.dir = "."
  82         self.tag = self.name.replace('/', '_')
  83         self.sequence = sequence
  84         self.next = 0
  85         self.stdout_path = "%s/%s.stdout" % (testbase, self.tag)
  86         self.stderr_path = "%s/%s.stderr" % (testbase, self.tag)
  87         cleanup_list.append(self.stdout_path)
  88         cleanup_list.append(self.stderr_path)
  89         run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
  90         self.stdout = open(self.stdout_path, 'w')
  91         self.stderr = open(self.stderr_path, 'w')
  92         self.stdin  = open("/dev/null", 'r')
  93         self.sdir = "%s/%s" % (testbase, self.tag)
  94         self.prefix = "%s/prefix/%s" % (testbase, self.tag)
  95         run_cmd("rm -rf %s" % self.sdir)
  96         cleanup_list.append(self.sdir)
  97         cleanup_list.append(self.prefix)
  98         os.makedirs(self.sdir)
  99         run_cmd("rm -rf %s" % self.sdir)
 100         run_cmd("git clone --shared %s %s" % (gitroot, self.sdir))
 101         self.start_next()
 102
 103     def start_next(self):
 104         if self.next == len(self.sequence):
 105             print '%s: Completed OK' % self.name
 106             self.done = True
 107             return
 108         self.cmd = self.sequence[self.next].replace("${PREFIX}", "--prefix=%s" % self.prefix)
 109         print '%s: Running %s' % (self.name, self.cmd)
 110         cwd = os.getcwd()
 111         os.chdir("%s/%s" % (self.sdir, self.dir))
 112         self.proc = Popen(self.cmd, shell=True,
 113                           stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
 114         os.chdir(cwd)
 115         self.next += 1
 116
 117
 118 class buildlist:
 119     '''handle build of multiple directories'''
 120     def __init__(self, tasklist, tasknames):
 121         global tasks
 122         self.tlist = []
 123         self.tail_proc = None
 124         if tasknames == ['pass']:
 125             tasks = { 'pass' : [ '/bin/true' ]}
 126         if tasknames == ['fail']:
 127             tasks = { 'fail' : [ '/bin/false' ]}
 128         if tasknames == []:
 129             tasknames = tasklist
 130         for n in tasknames:
 131             b = builder(n, tasks[n])
 132             self.tlist.append(b)
 133
 134     def kill_kids(self):
 135         for b in self.tlist:
 136             if b.proc is not None:
 137                 b.proc.terminate()
 138                 b.proc.wait()
 139                 b.proc = None
 140         if self.tail_proc is not None:
 141             self.tail_proc.terminate()
 142             self.tail_proc.wait()
 143             self.tail_proc = None
 144
 145     def wait_one(self):
 146         while True:
 147             none_running = True
 148             for b in self.tlist:
 149                 if b.proc is None:
 150                     continue
 151                 none_running = False
 152                 b.status = b.proc.poll()
 153                 if b.status is None:
 154                     continue
 155                 b.proc = None
 156                 return b
 157             if none_running:
 158                 return None
 159             time.sleep(0.1)
 160
 161     def run(self):
 162         while True:
 163             b = self.wait_one()
 164             if b is None:
 165                 break
 166             if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
 167                 self.kill_kids()
 168                 return (b.status, "%s: failed '%s' with status %d" % (b.name, b.cmd, b.status))
 169             b.start_next()
 170         self.kill_kids()
 171         return (0, "All OK")
 172
 173     def tarlogs(self, fname):
 174         tar = tarfile.open(fname, "w:gz")
 175         for b in self.tlist:
 176             tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
 177             tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
 178         tar.close()
 179
 180     def remove_logs(self):
 181         for b in self.tlist:
 182             os.unlink(b.stdout_path)
 183             os.unlink(b.stderr_path)
 184
 185     def start_tail(self):
 186         cwd = os.getcwd()
 187         cmd = "tail -f *.stdout *.stderr"
 188         os.chdir(testbase)
 189         self.tail_proc = Popen(cmd, shell=True)
 190         os.chdir(cwd)
 191
 192
 193 def cleanup():
 194     if options.nocleanup:
 195         return
 196     print("Cleaning up ....")
 197     for d in cleanup_list:
 198         run_cmd("rm -rf %s" % d)
 199
 200
 201 def find_git_root():
 202     '''get to the top of the git repo'''
 203     cwd=os.getcwd()
 204     while os.getcwd() != '/':
 205         try:
 206             os.stat(".git")
 207             ret = os.getcwd()
 208             os.chdir(cwd)
 209             return ret
 210         except:
 211             os.chdir("..")
 212             pass
 213     os.chdir(cwd)
 214     return None
 215
 216 def rebase_tree(url):
 217     print("Rebasing on %s" % url)
 218     run_cmd("git remote add -t master master %s" % url, show=True, dir=test_master)
 219     run_cmd("git fetch master", show=True, dir=test_master)
 220     if options.fix_whitespace:
 221         run_cmd("git rebase --whitespace=fix master/master", show=True, dir=test_master)
 222     else:
 223         run_cmd("git rebase master/master", show=True, dir=test_master)
 224
 225 def push_to(url):
 226     print("Pushing to %s" % url)
 227     if options.mark:
 228         run_cmd("EDITOR=script/commit_mark.sh git commit --amend -c HEAD", dir=test_master)
 229     run_cmd("git remote add -t master pushto %s" % url, show=True, dir=test_master)
 230     run_cmd("git push pushto +HEAD:master", show=True, dir=test_master)
 231
 232 def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
 233
 234 parser = OptionParser()
 235 parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
 236 parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
 237 parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
 238 parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
 239                   default=def_testbase)
 240 parser.add_option("", "--passcmd", help="command to run on success", default=None)
 241 parser.add_option("", "--verbose", help="show all commands as they are run",
 242                   default=False, action="store_true")
 243 parser.add_option("", "--rebase", help="rebase on the given tree before testing",
 244                   default=None, type='str')
 245 parser.add_option("", "--rebase-master", help="rebase on %s before testing" % samba_master,
 246                   default=False, action='store_true')
 247 parser.add_option("", "--pushto", help="push to a git url on success",
 248                   default=None, type='str')
 249 parser.add_option("", "--push-master", help="push to %s on success" % samba_master_ssh,
 250                   default=False, action='store_true')
 251 parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
 252                   default=False, action="store_true")
 253 parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
 254                   default=False, action="store_true")
 255
 256
 257 (options, args) = parser.parse_args()
 258
 259 testbase = "%s/build.%u" % (options.testbase, os.getpid())
 260 test_master = "%s/master" % testbase
 261
 262 gitroot = find_git_root()
 263 if gitroot is None:
 264     raise Exception("Failed to find git root")
 265
 266 try:
 267     os.makedirs(testbase)
 268 except Exception, reason:
 269     raise Exception("Unable to create %s : %s" % (testbase, reason))
 270 cleanup_list.append(testbase)
 271
 272 try:
 273     run_cmd("rm -rf %s" % test_master)
 274     cleanup_list.append(test_master)
 275     run_cmd("git clone --shared %s %s" % (gitroot, test_master))
 276 except:
 277     cleanup()
 278     raise
 279
 280 try:
 281     if options.rebase is not None:
 282         rebase_tree(options.rebase)
 283     elif options.rebase_master:
 284         rebase_tree(samba_master)
 285     blist = buildlist(tasks, args)
 286     if options.tail:
 287         blist.start_tail()
 288     (status, errstr) = blist.run()
 289 except:
 290     cleanup()
 291     raise
 292
 293 blist.kill_kids()
 294 if options.tail:
 295     print("waiting for tail to flush")
 296     time.sleep(1)
 297
 298 if status == 0:
 299     print errstr
 300     if options.passcmd is not None:
 301         print("Running passcmd: %s" % options.passcmd)
 302         run_cmd(options.passcmd, dir=test_master)
 303     if options.pushto is not None:
 304         push_to(options.pushto)
 305     elif options.push_master:
 306         push_to(samba_master_ssh)
 307     if options.keeplogs:
 308         blist.tarlogs("logs.tar.gz")
 309         print("Logs in logs.tar.gz")
 310     blist.remove_logs()
 311     cleanup()
 312     print(errstr)
 313     sys.exit(0)
 314
 315 # something failed, gather a tar of the logs
 316 blist.tarlogs("logs.tar.gz")
 317 blist.remove_logs()
 318 cleanup()
 319 print(errstr)
 320 print("Logs in logs.tar.gz")
 321 sys.exit(os.WEXITSTATUS(status))