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add rpkg spec preprocessing capability
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| # -*- coding: utf-8 -*- | ||
| # vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=python:textwidth=0: | ||
| # License: GPL2 or later see COPYING | ||
| # Written by clime | ||
| # Copyright (C) 2020 clime <clime@fedoraproject.org> | ||
|
|
||
| # python library imports | ||
| import os | ||
| import os.path | ||
| import re | ||
| import subprocess | ||
| import configparser | ||
| import shlex | ||
|
|
||
| # our imports | ||
| import mockbuild.util | ||
| from mockbuild.trace_decorator import getLog, traceLog | ||
| from mockbuild.exception import PkgError | ||
|
|
||
| requires_api_version = "1.1" | ||
|
|
||
|
|
||
| # plugin entry point | ||
| @traceLog() | ||
| def init(plugins, conf, buildroot): | ||
| RpkgPreprocessor(plugins, conf, buildroot) | ||
|
|
||
|
|
||
| class RpkgPreprocessor(object): | ||
| """preprocess spec file by using rpkg utilities""" | ||
| # pylint: disable=too-few-public-methods | ||
| @traceLog() | ||
| def __init__(self, plugins, conf, buildroot): | ||
| self.buildroot = buildroot | ||
| self.config = buildroot.config | ||
| self.state = buildroot.state | ||
| self.opts = conf | ||
| self.log = getLog() | ||
| plugins.add_hook("pre_srpm_build", self._preprocess_proxy) | ||
| self.log.info("rpkg_preprocessor: initialized") | ||
|
|
||
| @traceLog() | ||
| def _install_requires(self, requires): | ||
| try: | ||
| self.buildroot.uid_manager.becomeUser(0, 0) | ||
| self.buildroot.pkg_manager.install(*requires, check=True) | ||
| finally: | ||
| self.buildroot.uid_manager.restorePrivs() | ||
|
|
||
| @traceLog() | ||
| def _preprocess_proxy(self, host_chroot_spec, host_chroot_sources): | ||
| if not host_chroot_sources or not os.path.isdir(host_chroot_sources): | ||
| self.log.debug("Sources not specified or not a directory. " | ||
| "Skipping rpkg preprocessing step.") | ||
| return | ||
|
|
||
| self._preprocess(host_chroot_spec, host_chroot_sources) | ||
|
|
||
| @traceLog() | ||
| def _preprocess(self, host_chroot_spec, host_chroot_sources): | ||
| rpkg_conf_path = os.path.join(host_chroot_sources, 'rpkg.conf') | ||
|
|
||
| if not os.path.isfile(rpkg_conf_path): | ||
| self.log.info("rpkg.conf not found. " | ||
| "Skipping rpkg preprocessing step.") | ||
| return | ||
|
|
||
| parser = configparser.ConfigParser( | ||
| interpolation=configparser.ExtendedInterpolation()) | ||
|
|
||
| try: | ||
| parser.read(rpkg_conf_path) | ||
| except configparser.ParsingError as e: | ||
| raise PkgError("Parsing of %s failed with error: %s" % (rpkg_conf_path, repr(e))) | ||
|
|
||
| try: | ||
| preprocess_spec = parser.getboolean('rpkg', 'preprocess_spec') | ||
| except (configparser.Error, ValueError): | ||
| self.log.warning( | ||
| "Could not get boolean value of rpkg.preprocess_spec option from rpkg.conf.") | ||
| preprocess_spec = False | ||
|
|
||
| if not preprocess_spec: | ||
| self.log.info("preprocess_spec not enabled in rpkg.conf. " | ||
| "Skipping rpkg preprocessing step.") | ||
| return | ||
|
|
||
| # try to locate spec file in SOURCES, which will be our input | ||
| host_chroot_sources_spec = os.path.join(host_chroot_sources, | ||
| os.path.basename(host_chroot_spec)) | ||
|
|
||
| if not os.path.isfile(host_chroot_sources_spec): | ||
| raise PkgError("%s is not a file. Spec file needs to be among sources." % | ||
| host_chroot_sources_spec) | ||
|
|
||
| self.log.info("Installing rpkg preprocessing requires...") | ||
| self._install_requires(self.opts.get('requires', [])) | ||
|
|
||
| # get rid of host rootdir prefixes | ||
| rootdir_prefix = self.buildroot.make_chroot_path() | ||
| chroot_spec = host_chroot_spec.replace(rootdir_prefix, '') | ||
| chroot_sources = host_chroot_sources.replace(rootdir_prefix, '') | ||
| chroot_sources_spec = host_chroot_sources_spec.replace(rootdir_prefix, '') | ||
|
|
||
| command_str = self.opts.get('cmd') % {'source_spec': chroot_sources_spec, | ||
| 'target_spec': chroot_spec} | ||
| command = shlex.split(command_str) | ||
|
|
||
| # determine whether to use private network or not based on rpmbuild_networking | ||
| private_network = (not self.config.get('rpmbuild_networking', False)) | ||
|
|
||
| self.buildroot.doChroot( | ||
| command, | ||
| shell=False, | ||
| cwd=chroot_sources, | ||
| logger=self.buildroot.build_log, | ||
| uid=self.buildroot.chrootuid, | ||
| gid=self.buildroot.chrootgid, | ||
| user=self.buildroot.chrootuser, | ||
| unshare_net=private_network, | ||
| nspawn_args=self.config.get('nspawn_args', []), | ||
| printOutput=self.config.get('print_main_output', True) | ||
| ) |