buildbot/buildbot.py
2019-04-09 21:15:03 +08:00

320 lines
12 KiB
Python
Executable file

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# buildbot.py: Automatic management tool for an arch repo.
# This file is part of Buildbot by JerryXiao
import logging
from multiprocessing.connection import Listener
from time import time, sleep
import os
from pathlib import Path
from shutil import rmtree
from subprocess import CalledProcessError
from shared_vars import PKG_SUFFIX, PKG_SIG_SUFFIX
from config import ARCHS, BUILD_ARCHS, BUILD_ARCH_MAPPING, \
MASTER_BIND_ADDRESS, MASTER_BIND_PASSWD, \
PKGBUILD_DIR, MAKEPKG_PKGLIST_CMD, MAKEPKG_UPD_CMD, \
MAKEPKG_MAKE_CMD, MAKEPKG_MAKE_CMD_CLEAN, \
GPG_SIGN_CMD, GPG_VERIFY_CMD, UPDATE_INTERVAL, \
MAKEPKG_MAKE_CMD_MARCH, UPLOAD_CMD
from utils import print_exc_plus, background, \
bash, get_pkg_details_from_name, vercmp, \
nspawn_shell, mon_nspawn_shell, get_arch_from_pkgbuild, \
configure_logger, mon_bash
from client import run as rrun
import json
from yamlparse import load_all as load_all_yaml
abspath=os.path.abspath(__file__)
abspath=os.path.dirname(abspath)
os.chdir(abspath)
logger = logging.getLogger('buildbot')
configure_logger(logger, logfile='buildbot.log', rotate_size=1024*1024*10)
REPO_ROOT = Path(PKGBUILD_DIR)
class Job:
def __init__(self, buildarch, pkgconfig, version, multiarch=False):
assert buildarch in BUILD_ARCHS
self.arch = buildarch
self.pkgconfig = pkgconfig
self.version = version
self.multiarch = multiarch
self.added = time()
class jobsManager:
def __init__(self):
self.__buildjobs = list()
self.__uploadjobs = list()
self.__curr_job = None
self.pkgconfigs = load_all_yaml()
self.last_updatecheck = 0.0
self.idle = False
def _new_buildjob(self, job):
assert type(job) is Job
job_to_remove = list()
for previous_job in self.__buildjobs:
if job.pkgconfig.dirname == previous_job.pkgconfig.dirname and \
job.arch == previous_job.arch:
job_to_remove.append(previous_job)
for oldjob in job_to_remove:
self.__buildjobs.remove(oldjob)
logger.info('removed an old job for %s %s, %s => %s',
job.pkgconfig.dirname, job.arch,
oldjob.version, job.version)
logger.info('new job for %s %s %s',
job.pkgconfig.dirname, job.arch, job.version)
self.__buildjobs.append(job)
def __get_job(self):
if self.__curr_job:
return None
jobs = self.__buildjobs
if jobs:
self.__curr_job = jobs.pop(0)
return self.__curr_job
def __finish_job(self, pkgdir):
assert pkgdir == self.__curr_job.pkgconfig.dirname
# do upload
self.__curr_job = None
return True
def __makepkg(self, job):
cwd = REPO_ROOT / job.pkgconfig.dirname
if job.multiarch:
# assume a clean env, no source avail
mkcmd = MAKEPKG_MAKE_CMD_MARCH
else:
mkcmd = MAKEPKG_MAKE_CMD_CLEAN if job.pkgconfig.cleanbuild \
else MAKEPKG_MAKE_CMD
logger.info('makepkg in %s %s', job.pkgconfig.dirname, job.arch)
return mon_nspawn_shell(arch=job.arch, cwd=cwd, cmdline=mkcmd,
logfile = cwd / 'buildbot.log.makepkg',
short_return = True,
seconds=job.pkgconfig.timeout*60)
def __clean(self, job, remove_pkg=False, rm_src=True):
cwd = REPO_ROOT / job.pkgconfig.dirname
logger.info('cleaning build dir for %s, %sremoving pkg',
job.pkgconfig.dirname, '' if remove_pkg else 'not ')
for fpath in [f for f in cwd.iterdir()]:
if rm_src and fpath.is_dir() and \
fpath.name in ('pkg', 'src'):
rmtree(fpath)
elif remove_pkg and fpath.is_file() and \
((not job.multiarch) or job.arch in fpath.name) and \
(fpath.name.endswith(PKG_SUFFIX) or \
fpath.name.endswith(PKG_SIG_SUFFIX)):
fpath.unlink()
def __sign(self, job):
cwd = REPO_ROOT / job.pkgconfig.dirname
for fpath in cwd.iterdir():
if fpath.name.endswith(PKG_SUFFIX):
bash(f'{GPG_SIGN_CMD} {fpath.name}', cwd=cwd)
def __upload(self, job):
'''
wip
'''
suc = True
cwd = REPO_ROOT / job.pkgconfig.dirname
f_to_upload = list()
for fpath in cwd.iterdir():
if fpath.name.endswith(PKG_SUFFIX) and \
get_pkg_details_from_name(fpath.name).ver == job.version:
sigpath = fpath.parent / f'{fpath.name}.sig'
assert sigpath.exists()
f_to_upload.append(sigpath)
f_to_upload.append(fpath)
for f in f_to_upload:
size = f.stat().st_size / 1000 / 1000
if f.name.endswith(PKG_SUFFIX):
for _ in range(10):
timeout = rrun('push_start', args=(f.name, size))
if timeout > 0:
break
else:
logger.warning('Remote is busy (-1), wait 1 min x10')
sleep(60)
else:
timeout = 60
logger.info(f'Uploading {f}, timeout in {timeout}s')
mon_bash(UPLOAD_CMD.format(src=f), seconds=timeout)
if f.name.endswith(PKG_SUFFIX):
logger.info(f'Requesting repo update for {f.name}')
res = rrun('push_done', args=(f.name,), kwargs={'overwrite': False,})
if res is None:
logger.info(f'Update success for {f.name}')
else:
logger.error(f'Update failed for {f.name}, reason: {res}')
suc = False
return suc
def tick(self):
'''
check for updates,
create new jobs
and run them
'''
if not self.__buildjobs:
# This part check for updates
if time() - self.last_updatecheck <= UPDATE_INTERVAL * 60:
if not self.idle:
logger.info('Buildbot is idling for package updates.')
self.idle = True
sleep(60)
return
self.last_updatecheck = time()
self.idle = False
updates = updmgr.check_update()
for update in updates:
(pkgconfig, ver, buildarchs) = update
march = True if len(buildarchs) >= 2 else False
for arch in buildarchs:
newjob = Job(arch, pkgconfig, ver, multiarch=march)
self._new_buildjob(newjob)
else:
# This part does the job
job = self.__get_job()
if job.multiarch:
self.__clean(job, remove_pkg=True)
self.__sign(job)
if self.__upload(job):
self.__clean(job, remove_pkg=True)
else:
self.__makepkg(job)
self.__sign(job)
if self.__upload(job):
if job.pkgconfig.cleanbuild:
self.__clean(job, remove_pkg=True)
else:
self.__clean(job, rm_src=False, remove_pkg=True)
self.__finish_job(job.pkgconfig.dirname)
jobsmgr = jobsManager()
class updateManager:
def __init__(self, filename='pkgver.json'):
self.__filename = filename
self.__pkgvers = dict()
self.__load()
def __load(self):
if Path(self.__filename).exists():
with open(self.__filename,"r") as f:
try:
pkgvers = json.loads(f.read())
except json.JSONDecodeError:
logger.error('pkgver.json - Bad json')
print_exc_plus
exit(1)
else:
logger.warning(f'No {self.__filename} found')
pkgvers = dict()
assert type(pkgvers) is dict
for pkgname in pkgvers:
assert type(pkgname) is str
self.__pkgvers = pkgvers
def _save(self):
pkgvers = json.dumps(self.__pkgvers, indent=4)
pkgvers += '\n'
with open(self.__filename,"w") as f:
if f.writable:
f.write(pkgvers)
else:
logger.error('pkgver.json - Not writable')
def __get_package_list(self, dirname, arch):
pkgdir = REPO_ROOT / dirname
assert pkgdir.exists()
pkglist = nspawn_shell(arch, MAKEPKG_PKGLIST_CMD, cwd=pkgdir)
pkglist = pkglist.split('\n')
pkglist = [line for line in pkglist if not line.startswith('+')]
return pkglist
def __get_new_ver(self, dirname, arch):
pkgfiles = self.__get_package_list(dirname, arch)
ver = get_pkg_details_from_name(pkgfiles[0]).ver
return ver
def check_update(self):
updates = list()
for pkg in jobsmgr.pkgconfigs:
pkgdir = REPO_ROOT / pkg.dirname
logger.info(f'checking update: {pkg.dirname}')
pkgbuild = pkgdir / 'PKGBUILD'
archs = get_arch_from_pkgbuild(pkgbuild)
buildarchs = [BUILD_ARCH_MAPPING.get(arch, None) for arch in archs]
buildarchs = [arch for arch in buildarchs if arch is not None]
# hopefully we only need to check one arch for update
arch = 'x86_64' if 'x86_64' in buildarchs else buildarchs[0] # prefer x86
mon_nspawn_shell(arch, MAKEPKG_UPD_CMD, cwd=pkgdir, seconds=60*60,
logfile = pkgdir / 'buildbot.log.update',
short_return = True)
if pkg.type in ('git', 'manual'):
ver = self.__get_new_ver(pkg.dirname, arch)
oldver = self.__pkgvers.get(pkg.dirname, None)
has_update = False
if oldver:
res = vercmp(ver, oldver)
if res == 1:
has_update = True
elif res == -1:
logger.warning(f'package: {pkg.dirname} downgrade attempted')
elif res == 0:
logger.info(f'package: {pkg.dirname} is up to date')
else:
has_update = True
if has_update:
self.__pkgvers[pkg.dirname] = ver
updates.append((pkg, ver, buildarchs))
else:
logger.warning(f'unknown package type: {pkg.type}')
self._save()
return updates
updmgr = updateManager()
def info(*args, **kwargs):
return (args, kwargs)
def run(funcname, args=list(), kwargs=dict()):
if funcname in ('info',):
logger.info('running: %s %s %s',funcname, args, kwargs)
ret = eval(funcname)(*args, **kwargs)
logger.info('done: %s %s',funcname, ret)
return ret
else:
logger.error('unexpected: %s %s %s',funcname, args, kwargs)
return False
@background
def __main():
while True:
try:
with Listener(MASTER_BIND_ADDRESS, authkey=MASTER_BIND_PASSWD) as listener:
with listener.accept() as conn:
logger.info('connection accepted from %s', listener.last_accepted)
myrecv = conn.recv()
if type(myrecv) is list and len(myrecv) == 3:
(funcname, args, kwargs) = myrecv
funcname = str(funcname)
logger.info('running: %s %s %s', funcname, args, kwargs)
conn.send(run(funcname, args=args, kwargs=kwargs))
except Exception:
print_exc_plus()
if __name__ == '__main__':
logger.info('Buildbot started.')
__main() # start the Listener thread
logger.info('Listener started.')
while True:
try:
jobsmgr.tick()
except Exception:
print_exc_plus()
except KeyboardInterrupt:
logger.info('KeyboardInterrupt')
print_exc_plus()
break
sleep(1)