#!/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, \ GIT_PULL, GIT_RESET_SUBDIR 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) # refuse to run in systemd-nspawn if 'systemd-nspawn' in bash('systemd-detect-virt || true'): logger.error('Refused to run in systemd-nspawn.') raise AssertionError('Refused to run in systemd-nspawn.') 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() def __repr__(self): ret = "Job(" for myproperty in ( 'arch', 'pkgconfig', 'version', 'multiarch', 'added' ): ret += f'{myproperty}={getattr(self, myproperty, None)},' ret += ')' return ret class jobsManager: def __init__(self): self.__buildjobs = list() self.__uploadjobs = list() self.__curr_job = None self.pkgconfigs = None self.last_updatecheck = 0.0 self.idle = False @property def jobs(self): return \ { 'build_jobs': self.__buildjobs, 'upload_jobs': self.__uploadjobs, 'current_job': self.__curr_job } def __repr__(self): ret = "jobsManager(" for myproperty in ( 'jobs', 'pkgconfigs', 'last_updatecheck', 'idle' ): ret += f'{myproperty}={getattr(self, myproperty, None)},' ret += ')' return ret def reset_dir(self, pkgdirname=None, all=False): if all: logger.info('resetting %s', str(REPO_ROOT)) bash(GIT_RESET_SUBDIR, cwd=REPO_ROOT) else: if not pkgdirname: return False cwd = REPO_ROOT / pkgdirname if cwd.exists(): logger.info('resetting %s', str(cwd)) bash(GIT_RESET_SUBDIR, cwd=cwd) for fpath in [f for f in cwd.iterdir()]: if fpath.is_dir() and \ fpath.name in ('pkg', 'src'): rmtree(fpath) elif fpath.is_file() and \ (fpath.name.endswith(PKG_SUFFIX) or \ fpath.name.endswith(PKG_SIG_SUFFIX)): fpath.unlink() else: return False return True def rebuild_package(self, pkgdirname, clean=False): self.pkgconfigs = load_all_yaml() if (REPO_ROOT / pkgdirname).exists() and clean: self.reset_dir(pkgdirname) updates = updmgr.check_update(rebuild_package=pkgdirname) if updates and len(updates) == 1: (pkgconfig, ver, buildarchs) = updates[0] march = True if len(buildarchs) >= 2 else False for arch in buildarchs: newjob = Job(arch, pkgconfig, ver, multiarch=march) self._new_buildjob(newjob) ret = f'rebuild job added for {pkgdirname} {" ".join(buildarchs)}' logger.info(ret) else: ret = f'rebuild failed: no such dir {pkgdirname}' logger.warning(ret) return ret 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: logger.error(f'Job {self.__curr_job} failed. Correct the error and rebuild') self.__finish_job(self.__curr_job, force=True) return self.__get_job() jobs = self.__buildjobs if jobs: self.__curr_job = jobs.pop(0) return self.__curr_job def __finish_job(self, pkgdir, force=False): if not force: assert pkgdir == self.__curr_job.pkgconfig.dirname 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): logger.info('signing in %s %s', job.pkgconfig.dirname, job.arch) 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): 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=int(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 # git pull repo try: bash(GIT_PULL, cwd=REPO_ROOT) except Exception: print_exc_plus() self.pkgconfigs = load_all_yaml() 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 not job: logging.error('No job got') return if job.multiarch: self.__clean(job, remove_pkg=True) self.__makepkg(job) 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, rebuild_package=None): updates = list() for pkg in jobsmgr.pkgconfigs: if rebuild_package and \ rebuild_package != pkg.dirname: continue 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] if not buildarchs: logger.warning(f'No build arch for {pkg.dirname}, refuse to build.') continue # 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 rebuild_package: has_update = True 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(): ret = str(jobsmgr) ret += '\nhuman-readable:\n' ret += "".join([f"{k} = {jobsmgr.jobs[k]}\n" for k in jobsmgr.jobs]) ret += f"idle: {jobsmgr.idle}" return ret def rebuild_package(pkgdirname, clean=False): return jobsmgr.rebuild_package(pkgdirname, clean=clean) def clean(pkgdirname): return jobsmgr.reset_dir(pkgdirname=pkgdirname) def clean_all(): return jobsmgr.reset_dir(all=True) def run(funcname, args=list(), kwargs=dict()): if funcname in ('info', 'rebuild_package', 'clean', 'clean_all'): logger.debug('running: %s %s %s',funcname, args, kwargs) ret = eval(funcname)(*args, **kwargs) logger.info('done: %s %s %s',funcname, args, kwargs) 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.debug('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)