mirror of
https://github.com/archlinux-jerry/buildbot
synced 2024-12-05 03:10:41 +08:00
296 lines
11 KiB
Python
296 lines
11 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
import subprocess
|
|
import logging, logging.handlers
|
|
from time import time, sleep
|
|
import re
|
|
from threading import Thread, Lock
|
|
from pathlib import Path
|
|
import os
|
|
import sys
|
|
import traceback
|
|
|
|
from config import PKG_COMPRESSION, SHELL_ARCH_ARM64, SHELL_ARCH_X64, \
|
|
SHELL_ARM64_ADDITIONAL, SHELL_TRAP, \
|
|
CONTAINER_BUILDBOT_ROOT, ARCHS
|
|
|
|
logger = logging.getLogger(f'buildbot.{__name__}')
|
|
|
|
def background(func):
|
|
def wrapped(*args, **kwargs):
|
|
tr = Thread(target=func, args=args, kwargs=kwargs)
|
|
tr.daemon = True
|
|
tr.start()
|
|
return tr
|
|
return wrapped
|
|
|
|
def bash(cmdline, **kwargs):
|
|
assert type(cmdline) is str
|
|
logger.debug(f'bash: {cmdline}, kwargs: {kwargs}')
|
|
return(run_cmd(['/bin/bash', '-x', '-e', '-c', cmdline], **kwargs))
|
|
|
|
def mon_bash(cmdline, seconds=60*30, **kwargs):
|
|
assert type(seconds) is int and seconds >= 1
|
|
return bash(cmdline, keepalive=True, KEEPALIVE_TIMEOUT=60,
|
|
RUN_CMD_TIMEOUT=seconds, **kwargs)
|
|
|
|
def nspawn_shell(arch, cmdline, cwd=None, **kwargs):
|
|
root = Path(CONTAINER_BUILDBOT_ROOT)
|
|
if cwd:
|
|
cwd = root / cwd
|
|
else:
|
|
cwd = root
|
|
logger.debug(f'bash_{arch}: {cmdline}, cwd: {cwd}, kwargs: {kwargs}')
|
|
if arch in ('aarch64', 'arm64'):
|
|
command=f'{SHELL_ARM64_ADDITIONAL}; {SHELL_TRAP}; cd \'{cwd}\'; {cmdline}'
|
|
ret = run_cmd(SHELL_ARCH_ARM64 + [command,], **kwargs)
|
|
elif arch in ('x64', 'x86', 'x86_64'):
|
|
command=f'{SHELL_TRAP}; cd \'{cwd}\'; {cmdline}'
|
|
ret = run_cmd(SHELL_ARCH_X64 + [command,], **kwargs)
|
|
else:
|
|
raise TypeError('nspawn_shell: wrong arch')
|
|
if not ret.endswith('++ exit 0\n'):
|
|
raise subprocess.CalledProcessError(1, cmdline, ret)
|
|
return ret
|
|
|
|
def mon_nspawn_shell(arch, cmdline, cwd, seconds=60*30, **kwargs):
|
|
assert type(seconds) is int and seconds >= 1
|
|
return nspawn_shell(arch, cmdline, cwd=cwd, keepalive=True, KEEPALIVE_TIMEOUT=60,
|
|
RUN_CMD_TIMEOUT=seconds, **kwargs)
|
|
|
|
def run_cmd(cmd, cwd=None, keepalive=False, KEEPALIVE_TIMEOUT=30, RUN_CMD_TIMEOUT=60,
|
|
logfile=None, short_return=False):
|
|
logger.debug('run_cmd: %s', cmd)
|
|
RUN_CMD_LOOP_TIME = KEEPALIVE_TIMEOUT - 1 if KEEPALIVE_TIMEOUT >= 10 else 5
|
|
stopped = False
|
|
last_read = [int(time()), ""]
|
|
class Output(list):
|
|
def __init__(self, logfile=None, short_return=False):
|
|
super().__init__()
|
|
self.__short_return = short_return
|
|
if logfile:
|
|
assert issubclass(type(logfile), os.PathLike)
|
|
self.__file = open(logfile, 'w')
|
|
else:
|
|
self.__file = None
|
|
def append(self, mystring):
|
|
if self.__short_return and super().__len__() >= 20:
|
|
super().pop(0)
|
|
super().append(mystring)
|
|
if self.__file and type(mystring) is str:
|
|
self.__file.write(mystring)
|
|
self.__file.flush()
|
|
def __enter__(self):
|
|
return self
|
|
def __exit__(self, type, value, traceback):
|
|
if self.__file:
|
|
self.__file.close()
|
|
stdout_lock = Lock()
|
|
with Output(logfile=logfile, short_return=short_return) as output:
|
|
@background
|
|
def check_stdout(stdout):
|
|
nonlocal stopped, last_read, output
|
|
stdout_lock.acquire()
|
|
last_read_time = int(time())
|
|
while stopped is False:
|
|
line = stdout.readline(4096)
|
|
if line is '':
|
|
sleep(0.05)
|
|
continue
|
|
line.replace('\x0f', '\n')
|
|
last_read_time = int(time())
|
|
output.append(line)
|
|
last_read[0] = last_read_time
|
|
last_read[1] = line
|
|
stdout_lock.release()
|
|
p = subprocess.Popen(cmd, cwd=cwd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT, encoding='utf-8')
|
|
check_stdout(p.stdout)
|
|
process_start = int(time())
|
|
while True:
|
|
try:
|
|
p.wait(timeout=RUN_CMD_LOOP_TIME)
|
|
except subprocess.TimeoutExpired:
|
|
time_passed = int(time()) - last_read[0]
|
|
if time_passed >= KEEPALIVE_TIMEOUT*2:
|
|
logger.info('Timeout expired. No action.')
|
|
output.append('+ Buildbot: Timeout expired. No action.\n')
|
|
elif time_passed >= KEEPALIVE_TIMEOUT:
|
|
if keepalive:
|
|
logger.info('Timeout expired, writing nl')
|
|
output.append('+ Buildbot: Timeout expired, writing nl\n')
|
|
p.stdin.write('\n')
|
|
p.stdin.flush()
|
|
else:
|
|
logger.info('Timeout expired, not writing nl')
|
|
output.append('+ Buildbot: Timeout expired, not writing nl\n')
|
|
if int(time()) - process_start >= RUN_CMD_TIMEOUT:
|
|
stopped = True
|
|
logger.error('Process timeout expired, terminating.')
|
|
output.append('+ Buildbot: Process timeout expired, terminating.\n')
|
|
p.terminate()
|
|
try:
|
|
p.wait(timeout=10)
|
|
except subprocess.TimeoutExpired:
|
|
logger.error('Cannot terminate, killing.')
|
|
output.append('+ Buildbot: Cannot terminate, killing.\n')
|
|
p.kill()
|
|
break
|
|
else:
|
|
# sometimes the process ended too quickly and stdout is not captured
|
|
sleep(0.1)
|
|
stopped = True
|
|
break
|
|
code = p.returncode
|
|
stdout_lock.acquire(10)
|
|
outstr = ''.join(output)
|
|
|
|
if code != 0:
|
|
raise subprocess.CalledProcessError(code, cmd, outstr)
|
|
if logfile:
|
|
logger.debug('run_cmd: logfile written to %s', str(logfile))
|
|
else:
|
|
logger.debug('run_cmd: %s, ret = %s', cmd, outstr)
|
|
return outstr
|
|
|
|
|
|
# pyalpm is an alternative
|
|
# due to lack of documentation i'll consider this later.
|
|
|
|
def vercmp(ver1, ver2):
|
|
'''
|
|
compare ver1 and ver2, return 1, -1, 0
|
|
see https://www.archlinux.org/pacman/vercmp.8.html
|
|
'''
|
|
res = run_cmd(['vercmp', str(ver1), str(ver2)])
|
|
res = res.strip()
|
|
if res in ('-1', '0', '1'):
|
|
return int(res)
|
|
|
|
class Pkg:
|
|
def __init__(self, pkgname, pkgver, pkgrel, arch, fname):
|
|
self.pkgname = pkgname
|
|
self.pkgver = pkgver
|
|
self.pkgrel = pkgrel
|
|
self.arch = arch
|
|
self.fname = fname
|
|
self.ver = f'{self.pkgver}-{self.pkgrel}'
|
|
def __eq__(self, ver2):
|
|
if vercmp(self.ver, ver2.ver) == 0:
|
|
return True
|
|
else:
|
|
return False
|
|
def __ge__(self, ver2):
|
|
return self > ver2 or self == ver2
|
|
def __gt__(self, ver2):
|
|
if vercmp(self.ver, ver2.ver) == 1:
|
|
return True
|
|
else:
|
|
return False
|
|
def __le__(self, ver2):
|
|
return self < ver2 or self == ver2
|
|
def __lt__(self, ver2):
|
|
if vercmp(self.ver, ver2.ver) == -1:
|
|
return True
|
|
else:
|
|
return False
|
|
def __repr__(self):
|
|
return f'Pkg({self.pkgname}, {self.ver}, {self.arch})'
|
|
|
|
|
|
def get_pkg_details_from_name(name):
|
|
assert type(name) is str
|
|
if name.endswith(f'pkg.tar.{PKG_COMPRESSION}'):
|
|
m = re.match(r'(.+)-([^-]+)-([^-]+)-([^-]+)\.pkg\.tar\.\w+', name)
|
|
assert m and m.groups() and len(m.groups()) == 4
|
|
(pkgname, pkgver, pkgrel, arch) = m.groups()
|
|
return Pkg(pkgname, pkgver, pkgrel, arch, name)
|
|
|
|
def get_arch_from_pkgbuild(fpath):
|
|
assert issubclass(type(fpath), os.PathLike)
|
|
with open(fpath, 'r') as f:
|
|
for line in f.read().split('\n'):
|
|
if line.startswith('arch='):
|
|
matches = re.findall('[()\s\'\"]([\w]+)[()\s\'\"]', line)
|
|
if not matches:
|
|
raise TypeError('Unexpected PKGBUILD format')
|
|
matches = [arch for arch in matches if arch in ARCHS]
|
|
return matches
|
|
raise TypeError('Unexpected PKGBUILD')
|
|
|
|
def print_exc_plus():
|
|
logger.log(49, format_exc_plus())
|
|
|
|
def format_exc_plus():
|
|
"""
|
|
Print the usual traceback information, followed by a listing of all the
|
|
local variables in each frame.
|
|
from Python Cookbook by David Ascher, Alex Martelli
|
|
"""
|
|
ret = str()
|
|
tb = sys.exc_info()[2]
|
|
while True:
|
|
if not tb.tb_next:
|
|
break
|
|
tb = tb.tb_next
|
|
stack = []
|
|
f = tb.tb_frame
|
|
while f:
|
|
stack.append(f)
|
|
f = f.f_back
|
|
stack.reverse()
|
|
ret += traceback.format_exc()
|
|
ret += "\nLocals by frame, innermost last\n"
|
|
for frame in stack:
|
|
ret += "Frame %s in %s at line %s\n" % (frame.f_code.co_name,
|
|
frame.f_code.co_filename,
|
|
frame.f_lineno)
|
|
for key, value in frame.f_locals.items( ):
|
|
ret += "\t%20s = " % key
|
|
# We have to be VERY careful not to cause a new error in our error
|
|
# printer! Calling str( ) on an unknown object could cause an
|
|
# error we don't want, so we must use try/except to catch it --
|
|
# we can't stop it from happening, but we can and should
|
|
# stop it from propagating if it does happen!
|
|
try:
|
|
ret += str(value)
|
|
except:
|
|
ret += "<ERROR WHILE PRINTING VALUE>"
|
|
ret += '\n'
|
|
return ret
|
|
|
|
def configure_logger(logger, format='%(asctime)s - %(name)-18s - %(levelname)s - %(message)s',
|
|
level=logging.INFO, logfile=None, flevel=logging.DEBUG, rotate_size=None):
|
|
try:
|
|
from notify import send
|
|
except ModuleNotFoundError:
|
|
def send(*args):
|
|
pass
|
|
|
|
class ExceptionFormatter(logging.Formatter):
|
|
def format(self, record):
|
|
if record.levelno == 49:
|
|
record.msg = 'Exception caught.\nPrinting stack traceback\n' + record.msg
|
|
fmtr = super().format(record)
|
|
send(fmtr)
|
|
return fmtr
|
|
|
|
logger.setLevel(logging.DEBUG)
|
|
formatter = ExceptionFormatter(fmt=format)
|
|
logging.addLevelName(49, 'Exception')
|
|
# create file handler
|
|
if logfile:
|
|
assert type(logfile) is str
|
|
if rotate_size and type(rotate_size) is int and rotate_size >= 1000:
|
|
fh = logging.handlers.RotatingFileHandler(logfile, mode='a',
|
|
maxBytes=rotate_size, backupCount=8)
|
|
else:
|
|
fh = logging.FileHandler(logfile)
|
|
fh.setLevel(flevel)
|
|
fh.setFormatter(formatter)
|
|
logger.addHandler(fh)
|
|
# create console handler
|
|
ch = logging.StreamHandler()
|
|
ch.setLevel(level)
|
|
ch.setFormatter(formatter)
|
|
logger.addHandler(ch)
|