#!/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 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 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): mkcmd = MAKEPKG_MAKE_CMD_CLEAN if job.pkgconfig.cleanbuild \ else MAKEPKG_MAKE_CMD cwd = REPO_ROOT / job.pkgconfig.dirname 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) def __clean(self, job, remove_pkg=False): 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()]: fpath = Path() if fpath.is_dir() and fpath.name in ('pkg', 'src'): rmtree(fpath) elif remove_pkg and fpath.is_file() 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 ''' cwd = REPO_ROOT / job.pkgconfig.dirname print(bash('ls -l', cwd=cwd)) #nspawn_shell(job.arch, 'rm -rf src pkg', cwd=cwd) #rrun() 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: 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() cwd = REPO_ROOT / job.pkgconfig.dirname if job.multiarch: # wip pass else: self.__makepkg(job) self.__sign(job) self.__upload(job) if job.pkgconfig.cleanbuild: self.__clean(job ,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, minutes=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() @background def __main(): while True: try: jobsmgr.tick() except: print_exc_plus() sleep(1) def run(funcname, args=list(), kwargs=dict()): if funcname in ('clean', 'regenerate', 'remove', 'update', 'push_files', 'add_files'): 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 if __name__ == '__main__': __main() # start the main worker thread 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() except KeyboardInterrupt: logger.info('KeyboardInterrupt') print_exc_plus() break