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samba-mirror/script/autobuild.py

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#!/usr/bin/env python
# run tests on all Samba subprojects and push to a git tree on success
# Copyright Andrew Tridgell 2010
# released under GNU GPL v3 or later
from subprocess import call, check_call,Popen, PIPE
import os, tarfile, sys, time
from optparse import OptionParser
import smtplib
from email.mime.text import MIMEText
samba_master = os.getenv('SAMBA_MASTER', 'git://git.samba.org/samba.git')
samba_master_ssh = os.getenv('SAMBA_MASTER_SSH', 'git+ssh://git.samba.org/data/git/samba.git')
cleanup_list = []
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os.putenv('CC', "ccache gcc")
tasks = {
"source3" : [ ("autogen", "./autogen.sh", "text/plain"),
("configure", "./configure.developer ${PREFIX}", "text/plain"),
("make basics", "make basics", "text/plain"),
("make", "make -j 4 everything", "text/plain"), # don't use too many processes
("install", "make install", "text/plain"),
("test", "TDB_NO_FSYNC=1 make subunit-test FAIL_IMMEDIATELY=1", "text/x-subunit") ],
"source4" : [ ("configure", "./configure.developer ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "TDB_NO_FSYNC=1 make subunit-test FAIL_IMMEDIATELY=1", "text/x-subunit") ],
"source4/lib/ldb" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "make test", "text/plain") ],
"lib/tdb" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "make test", "text/plain") ],
"lib/talloc" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "make test", "text/plain"), ],
"lib/replace" : [ ("autogen", "./autogen-waf.sh", "text/plain"),
("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "make test", "text/plain"), ],
"lib/tevent" : [ ("configure", "./configure --enable-developer -C ${PREFIX}", "text/plain"),
("make", "make -j", "text/plain"),
("install", "make install", "text/plain"),
("test", "make test", "text/plain"), ],
}
retry_task = [ '''set -e
git remote add -t master master %s
git fetch master
while :; do
sleep 60
git describe master/master > old_master.desc
git fetch master
git describe master/master > master.desc
diff old_master.desc master.desc
done
''' % samba_master]
def run_cmd(cmd, dir=".", show=None, output=False, checkfail=True):
if show is None:
show = options.verbose
if show:
print("Running: '%s' in '%s'" % (cmd, dir))
if output:
return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
elif checkfail:
return check_call(cmd, shell=True)
else:
return call(cmd, shell=True)
class builder(object):
'''handle build of one directory'''
def __init__(self, name, sequence):
self.name = name
if name in ['pass', 'fail', 'retry']:
self.dir = "."
else:
self.dir = self.name
self.tag = self.name.replace('/', '_')
self.sequence = sequence
self.next = 0
self.stdout_path = "%s/%s.stdout" % (gitroot, self.tag)
self.stderr_path = "%s/%s.stderr" % (gitroot, self.tag)
if options.verbose:
print("stdout for %s in %s" % (self.name, self.stdout_path))
print("stderr for %s in %s" % (self.name, self.stderr_path))
run_cmd("rm -f %s %s" % (self.stdout_path, self.stderr_path))
self.stdout = open(self.stdout_path, 'w')
self.stderr = open(self.stderr_path, 'w')
self.stdin = open("/dev/null", 'r')
self.sdir = "%s/%s" % (testbase, self.tag)
self.prefix = "%s/prefix/%s" % (testbase, self.tag)
run_cmd("rm -rf %s" % self.sdir)
cleanup_list.append(self.sdir)
cleanup_list.append(self.prefix)
os.makedirs(self.sdir)
run_cmd("rm -rf %s" % self.sdir)
run_cmd("git clone --shared %s %s" % (gitroot, self.sdir))
self.start_next()
def start_next(self):
if self.next == len(self.sequence):
print '%s: Completed OK' % self.name
self.done = True
return
(self.stage, self.cmd, self.output_mime_type) = self.sequence[self.next]
self.cmd = self.cmd.replace("${PREFIX}", "--prefix=%s" % self.prefix)
if self.output_mime_type == "text/x-subunit":
self.cmd += " | %s --immediate" % (os.path.join(os.path.dirname(__file__), "selftest/format-subunit"))
print '%s: [%s] Running %s' % (self.name, self.stage, self.cmd)
cwd = os.getcwd()
os.chdir("%s/%s" % (self.sdir, self.dir))
self.proc = Popen(self.cmd, shell=True,
stdout=self.stdout, stderr=self.stderr, stdin=self.stdin)
os.chdir(cwd)
self.next += 1
class buildlist(object):
'''handle build of multiple directories'''
def __init__(self, tasklist, tasknames):
global tasks
self.tlist = []
self.tail_proc = None
self.retry = None
if tasknames == ['pass']:
tasks = { 'pass' : [ ("pass", '/bin/true', "text/plain") ]}
if tasknames == ['fail']:
tasks = { 'fail' : [ ("fail", '/bin/false', "text/plain") ]}
if tasknames == []:
tasknames = tasklist
for n in tasknames:
b = builder(n, tasks[n])
self.tlist.append(b)
if options.retry:
self.retry = builder('retry', retry_task)
self.need_retry = False
def kill_kids(self):
if self.tail_proc is not None:
self.tail_proc.terminate()
self.tail_proc.wait()
self.tail_proc = None
if self.retry is not None:
self.retry.proc.terminate()
self.retry.proc.wait()
self.retry = None
for b in self.tlist:
if b.proc is not None:
run_cmd("killbysubdir %s > /dev/null 2>&1" % b.sdir, checkfail=False)
b.proc.terminate()
b.proc.wait()
b.proc = None
def wait_one(self):
while True:
none_running = True
for b in self.tlist:
if b.proc is None:
continue
none_running = False
b.status = b.proc.poll()
if b.status is None:
continue
b.proc = None
return b
if options.retry:
ret = self.retry.proc.poll()
if ret is not None:
self.need_retry = True
self.retry = None
return None
if none_running:
return None
time.sleep(0.1)
def run(self):
while True:
b = self.wait_one()
if options.retry and self.need_retry:
self.kill_kids()
print("retry needed")
return (0, "retry")
if b is None:
break
if os.WIFSIGNALED(b.status) or os.WEXITSTATUS(b.status) != 0:
self.kill_kids()
return (b.status, b.name, b.stage, b.tag, "%s: [%s] failed '%s' with status %d" % (b.name, b.stage, b.cmd, b.status))
b.start_next()
self.kill_kids()
return (0, None, None, None, "All OK")
def tarlogs(self, fname):
tar = tarfile.open(fname, "w:gz")
for b in self.tlist:
tar.add(b.stdout_path, arcname="%s.stdout" % b.tag)
tar.add(b.stderr_path, arcname="%s.stderr" % b.tag)
tar.close()
def remove_logs(self):
for b in self.tlist:
os.unlink(b.stdout_path)
os.unlink(b.stderr_path)
def start_tail(self):
cwd = os.getcwd()
cmd = "tail -f *.stdout *.stderr"
os.chdir(gitroot)
self.tail_proc = Popen(cmd, shell=True)
os.chdir(cwd)
def cleanup():
if options.nocleanup:
return
print("Cleaning up ....")
for d in cleanup_list:
run_cmd("rm -rf %s" % d)
def find_git_root():
'''get to the top of the git repo'''
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p=os.getcwd()
while p != '/':
if os.path.isdir(os.path.join(p, ".git")):
return p
p = os.path.abspath(os.path.join(p, '..'))
return None
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def daemonize(logfile):
pid = os.fork()
if pid == 0: # Parent
os.setsid()
pid = os.fork()
if pid != 0: # Actual daemon
os._exit(0)
else: # Grandparent
os._exit(0)
import resource # Resource usage information.
maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
if maxfd == resource.RLIM_INFINITY:
maxfd = 1024 # Rough guess at maximum number of open file descriptors.
for fd in range(0, maxfd):
try:
os.close(fd)
except OSError:
pass
os.open(logfile, os.O_RDWR | os.O_CREAT)
os.dup2(0, 1)
os.dup2(0, 2)
def rebase_tree(url):
print("Rebasing on %s" % url)
run_cmd("git remote add -t master master %s" % url, show=True, dir=test_master)
run_cmd("git fetch master", show=True, dir=test_master)
if options.fix_whitespace:
run_cmd("git rebase --whitespace=fix master/master", show=True, dir=test_master)
else:
run_cmd("git rebase master/master", show=True, dir=test_master)
diff = run_cmd("git --no-pager diff HEAD master/master", dir=test_master, output=True)
if diff == '':
print("No differences between HEAD and master/master - exiting")
sys.exit(0)
def push_to(url):
print("Pushing to %s" % url)
if options.mark:
run_cmd("EDITOR=script/commit_mark.sh git commit --amend -c HEAD", dir=test_master)
# the notes method doesn't work yet, as metze hasn't allowed refs/notes/* in master
# run_cmd("EDITOR=script/commit_mark.sh git notes edit HEAD", dir=test_master)
run_cmd("git remote add -t master pushto %s" % url, show=True, dir=test_master)
run_cmd("git push pushto +HEAD:master", show=True, dir=test_master)
def_testbase = os.getenv("AUTOBUILD_TESTBASE", "/memdisk/%s" % os.getenv('USER'))
parser = OptionParser()
parser.add_option("", "--tail", help="show output while running", default=False, action="store_true")
parser.add_option("", "--keeplogs", help="keep logs", default=False, action="store_true")
parser.add_option("", "--nocleanup", help="don't remove test tree", default=False, action="store_true")
parser.add_option("", "--testbase", help="base directory to run tests in (default %s)" % def_testbase,
default=def_testbase)
parser.add_option("", "--passcmd", help="command to run on success", default=None)
parser.add_option("", "--verbose", help="show all commands as they are run",
default=False, action="store_true")
parser.add_option("", "--rebase", help="rebase on the given tree before testing",
default=None, type='str')
parser.add_option("", "--rebase-master", help="rebase on %s before testing" % samba_master,
default=False, action='store_true')
parser.add_option("", "--pushto", help="push to a git url on success",
default=None, type='str')
parser.add_option("", "--push-master", help="push to %s on success" % samba_master_ssh,
default=False, action='store_true')
parser.add_option("", "--mark", help="add a Tested-By signoff before pushing",
default=False, action="store_true")
parser.add_option("", "--fix-whitespace", help="fix whitespace on rebase",
default=False, action="store_true")
parser.add_option("", "--retry", help="automatically retry if master changes",
default=False, action="store_true")
parser.add_option("", "--email", help="send email to the given address on failure",
type='str', default=None)
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parser.add_option("", "--always-email", help="always send email, even on success",
action="store_true")
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parser.add_option("", "--daemon", help="daemonize after initial setup",
action="store_true")
def email_failure(status, failed_task, failed_stage, failed_tag, errstr):
'''send an email to options.email about the failure'''
user = os.getenv("USER")
text = '''
Dear Developer,
Your autobuild failed when trying to test %s with the following error:
%s
the autobuild has been abandoned. Please fix the error and resubmit.
You can see logs of the failed task here:
http://git.samba.org/%s/samba-autobuild/%s.stdout
http://git.samba.org/%s/samba-autobuild/%s.stderr
or you can get full logs of all tasks in this job here:
http://git.samba.org/%s/samba-autobuild/logs.tar.gz
''' % (failed_task, errstr, user, failed_tag, user, failed_tag, user)
msg = MIMEText(text)
msg['Subject'] = 'autobuild failure for task %s during %s' % (failed_task, failed_stage)
msg['From'] = 'autobuild@samba.org'
msg['To'] = options.email
s = smtplib.SMTP()
s.connect()
s.sendmail(msg['From'], [msg['To']], msg.as_string())
s.quit()
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def email_success():
'''send an email to options.email about a successful build'''
user = os.getenv("USER")
text = '''
Dear Developer,
Your autobuild has succeeded.
'''
if options.keeplogs:
text += '''
you can get full logs of all tasks in this job here:
http://git.samba.org/%s/samba-autobuild/logs.tar.gz
''' % (user,)
msg = MIMEText(text)
msg['Subject'] = 'autobuild success'
msg['From'] = 'autobuild@samba.org'
msg['To'] = options.email
s = smtplib.SMTP()
s.connect()
s.sendmail(msg['From'], [msg['To']], msg.as_string())
s.quit()
(options, args) = parser.parse_args()
if options.retry:
if not options.rebase_master and options.rebase is None:
raise Exception('You can only use --retry if you also rebase')
testbase = "%s/b%u" % (options.testbase, os.getpid())
test_master = "%s/master" % testbase
gitroot = find_git_root()
if gitroot is None:
raise Exception("Failed to find git root")
try:
os.makedirs(testbase)
except Exception, reason:
raise Exception("Unable to create %s : %s" % (testbase, reason))
cleanup_list.append(testbase)
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if options.daemon:
logfile = os.path.join(testbase, "log")
print "Forking into the background, writing progress to %s" % logfile
daemonize(logfile)
while True:
try:
run_cmd("rm -rf %s" % test_master)
cleanup_list.append(test_master)
run_cmd("git clone --shared %s %s" % (gitroot, test_master))
except:
cleanup()
raise
try:
if options.rebase is not None:
rebase_tree(options.rebase)
elif options.rebase_master:
rebase_tree(samba_master)
blist = buildlist(tasks, args)
if options.tail:
blist.start_tail()
(status, failed_task, failed_stage, failed_tag, errstr) = blist.run()
if status != 0 or errstr != "retry":
break
cleanup()
except:
cleanup()
raise
blist.kill_kids()
if options.tail:
print("waiting for tail to flush")
time.sleep(1)
if status == 0:
print errstr
if options.passcmd is not None:
print("Running passcmd: %s" % options.passcmd)
run_cmd(options.passcmd, dir=test_master)
if options.pushto is not None:
push_to(options.pushto)
elif options.push_master:
push_to(samba_master_ssh)
if options.keeplogs:
blist.tarlogs("logs.tar.gz")
print("Logs in logs.tar.gz")
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if options.always_email:
email_success()
blist.remove_logs()
cleanup()
print(errstr)
sys.exit(0)
# something failed, gather a tar of the logs
blist.tarlogs("logs.tar.gz")
if options.email is not None:
email_failure(status, failed_task, failed_stage, failed_tag, errstr)
cleanup()
print(errstr)
print("Logs in logs.tar.gz")
sys.exit(status)