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reposync.py
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# reposync.py # DNF plugin adding a command to download all packages from given remote repo. # # Copyright (C) 2014 Red Hat, Inc. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # the GNU General Public License v.2, or (at your option) any later version. # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY expressed or implied, including the implied warranties of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. You should have received a copy of the # GNU General Public License along with this program; if not, write to the # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301, USA. Any Red Hat trademarks that are incorporated in the # source code or documentation are not subject to the GNU General Public # License and may only be used or replicated with the express permission of # Red Hat, Inc. # from __future__ import absolute_import from __future__ import unicode_literals import hawkey import os import shutil import types from dnfpluginscore import _, logger from dnf.cli.option_parser import OptionParser import dnf import dnf.cli def _pkgdir(intermediate, target): cwd = dnf.i18n.ucd(os.getcwd()) return os.path.realpath(os.path.join(cwd, intermediate, target)) class RPMPayloadLocation(dnf.repo.RPMPayload): def __init__(self, pkg, progress, pkg_location): super(RPMPayloadLocation, self).__init__(pkg, progress) self.package_dir = os.path.dirname(pkg_location) def _target_params(self): tp = super(RPMPayloadLocation, self)._target_params() dnf.util.ensure_dir(self.package_dir) tp['dest'] = self.package_dir return tp @dnf.plugin.register_command class RepoSyncCommand(dnf.cli.Command): aliases = ('reposync',) summary = _('download all packages from remote repo') def __init__(self, cli): super(RepoSyncCommand, self).__init__(cli) @staticmethod def set_argparser(parser): parser.add_argument('-a', '--arch', dest='arches', default=[], action=OptionParser._SplitCallback, metavar='[arch]', help=_('download only packages for this ARCH')) parser.add_argument('--delete', default=False, action='store_true', help=_('delete local packages no longer present in repository')) parser.add_argument('--download-metadata', default=False, action='store_true', help=_('download all the metadata.')) parser.add_argument('-g', '--gpgcheck', default=False, action='store_true', help=_('Remove packages that fail GPG signature checking ' 'after downloading')) parser.add_argument('-m', '--downloadcomps', default=False, action='store_true', help=_('also download and uncompress comps.xml')) parser.add_argument('--metadata-path', help=_('where to store downloaded repository metadata. ' 'Defaults to the value of --download-path.')) parser.add_argument('-n', '--newest-only', default=False, action='store_true', help=_('download only newest packages per-repo')) parser.add_argument('--norepopath', default=False, action='store_true', help=_("Don't add the reponame to the download path.")) parser.add_argument('-p', '--download-path', default='./', help=_('where to store downloaded repositories')) parser.add_argument('--remote-time', default=False, action='store_true', help=_('try to set local timestamps of local files by ' 'the one on the server')) parser.add_argument('--source', default=False, action='store_true', help=_('download only source packages')) parser.add_argument('-u', '--urls', default=False, action='store_true', help=_("Just list urls of what would be downloaded, " "don't download")) def configure(self): demands = self.cli.demands demands.available_repos = True demands.sack_activation = True repos = self.base.repos if self.opts.repo: repos.all().disable() for repoid in self.opts.repo: try: repo = repos[repoid] except KeyError: raise dnf.cli.CliError("Unknown repo: '%s'." % repoid) repo.enable() if self.opts.source: repos.enable_source_repos() if len(list(repos.iter_enabled())) > 1 and self.opts.norepopath: raise dnf.cli.CliError( _("Can't use --norepopath with multiple repositories")) for repo in repos.iter_enabled(): repo._repo.expire() repo.deltarpm = False def run(self): self.base.conf.keepcache = True gpgcheck_ok = True for repo in self.base.repos.iter_enabled(): if self.opts.remote_time: repo._repo.setPreserveRemoteTime(True) if self.opts.download_metadata: if self.opts.urls: for md_type, md_location in repo._repo.getMetadataLocations(): url = repo.remote_location(md_location) if url: print(url) else: msg = _("Failed to get mirror for metadata: %s") % md_type logger.warning(msg) else: self.download_metadata(repo) if self.opts.downloadcomps: if self.opts.urls: mdl = dict(repo._repo.getMetadataLocations()) group_locations = [mdl[md_type] for md_type in ('group', 'group_gz', 'group_gz_zck') if md_type in mdl] if group_locations: for group_location in group_locations: url = repo.remote_location(group_location) if url: print(url) break else: msg = _("Failed to get mirror for the group file.") logger.warning(msg) else: self.getcomps(repo) pkglist = self.get_pkglist(repo) if self.opts.urls: self.print_urls(pkglist) else: self.download_packages(pkglist) if self.opts.gpgcheck: for pkg in pkglist: local_path = self.pkg_download_path(pkg) # base.package_signature_check uses pkg.localPkg() to determine # the location of the package rpm file on the disk. # Set it to the correct download path. pkg.localPkg = types.MethodType( lambda s, local_path=local_path: local_path, pkg) result, error = self.base.package_signature_check(pkg) if result != 0: logger.warning(_("Removing {}: {}").format( os.path.basename(local_path), error)) os.unlink(local_path) gpgcheck_ok = False if self.opts.delete: self.delete_old_local_packages(repo, pkglist) if not gpgcheck_ok: raise dnf.exceptions.Error(_("GPG signature check failed.")) def repo_target(self, repo): return _pkgdir(self.opts.destdir or self.opts.download_path, repo.id if not self.opts.norepopath else '') def metadata_target(self, repo): if self.opts.metadata_path: return _pkgdir(self.opts.metadata_path, repo.id) else: return self.repo_target(repo) def pkg_download_path(self, pkg): repo_target = self.repo_target(pkg.repo) pkg_download_path = os.path.realpath( os.path.join(repo_target, pkg.location)) # join() ensures repo_target ends with a path separator (otherwise the # check would pass if pkg_download_path was a "sibling" path component # of repo_target that has the same prefix). if not pkg_download_path.startswith(os.path.join(repo_target, '')): raise dnf.exceptions.Error( _("Download target '{}' is outside of download path '{}'.").format( pkg_download_path, repo_target)) return pkg_download_path def delete_old_local_packages(self, repo, pkglist): # delete any *.rpm file under target path, that was not downloaded from repository downloaded_files = set(self.pkg_download_path(pkg) for pkg in pkglist) for dirpath, dirnames, filenames in os.walk(self.repo_target(repo)): for filename in filenames: path = os.path.join(dirpath, filename) if filename.endswith('.rpm') and os.path.isfile(path): if path not in downloaded_files: # Delete disappeared or relocated file try: os.unlink(path) logger.info(_("[DELETED] %s"), path) except OSError: logger.error(_("failed to delete file %s"), path) def getcomps(self, repo): comps_fn = repo._repo.getCompsFn() if comps_fn: dest_path = self.metadata_target(repo) dnf.util.ensure_dir(dest_path) dest = os.path.join(dest_path, 'comps.xml') dnf.yum.misc.decompress(comps_fn, dest=dest) logger.info(_("comps.xml for repository %s saved"), repo.id) def download_metadata(self, repo): repo_target = self.metadata_target(repo) repo._repo.downloadMetadata(repo_target) return True def _get_latest(self, query): """ return union of these queries: - the latest NEVRAs from non-modular packages - all packages from stream version with the latest package NEVRA (this should not be needed but the latest package NEVRAs might be part of an older module version) - all packages from the latest stream version """ if not dnf.base.WITH_MODULES: return query.latest() query.apply() module_packages = self.base._moduleContainer.getModulePackages() all_artifacts = set() module_dict = {} # {NameStream: {Version: [modules]}} artifact_version = {} # {artifact: {NameStream: [Version]}} for module_package in module_packages: artifacts = module_package.getArtifacts() all_artifacts.update(artifacts) module_dict.setdefault(module_package.getNameStream(), {}).setdefault( module_package.getVersionNum(), []).append(module_package) for artifact in artifacts: artifact_version.setdefault(artifact, {}).setdefault( module_package.getNameStream(), []).append(module_package.getVersionNum()) # the latest NEVRAs from non-modular packages latest_query = query.filter( pkg__neq=query.filter(nevra_strict=all_artifacts)).latest() # artifacts from the newest version and those versions that contain an artifact # with the highest NEVRA latest_stream_artifacts = set() for namestream, version_dict in module_dict.items(): # versions that will be synchronized versions = set() # add the newest stream version versions.add(sorted(version_dict.keys(), reverse=True)[0]) # collect all artifacts in all stream versions stream_artifacts = set() for modules in version_dict.values(): for module in modules: stream_artifacts.update(module.getArtifacts()) # find versions to which the packages with the highest NEVRAs belong for latest_pkg in query.filter(nevra_strict=stream_artifacts).latest(): # here we depend on modules.yaml allways containing full NEVRA (including epoch) nevra = "{0.name}-{0.epoch}:{0.version}-{0.release}.{0.arch}".format(latest_pkg) # download only highest version containing the latest artifact versions.add(max(artifact_version[nevra][namestream])) # add all artifacts from selected versions for synchronization for version in versions: for module in version_dict[version]: latest_stream_artifacts.update(module.getArtifacts()) latest_query = latest_query.union(query.filter(nevra_strict=latest_stream_artifacts)) return latest_query def get_pkglist(self, repo): query = self.base.sack.query(flags=hawkey.IGNORE_MODULAR_EXCLUDES).available().filterm( reponame=repo.id) if self.opts.newest_only: query = self._get_latest(query) if self.opts.source: query.filterm(arch='src') elif self.opts.arches: query.filterm(arch=self.opts.arches) return query def download_packages(self, pkglist): base = self.base progress = base.output.progress if progress is None: progress = dnf.callback.NullDownloadProgress() drpm = dnf.drpm.DeltaInfo(base.sack.query(flags=hawkey.IGNORE_MODULAR_EXCLUDES).installed(), progress, 0) payloads = [RPMPayloadLocation(pkg, progress, self.pkg_download_path(pkg)) for pkg in pkglist] base._download_remote_payloads(payloads, drpm, progress, None, False) def print_urls(self, pkglist): for pkg in pkglist: url = pkg.remote_location() if url: print(url) else: msg = _("Failed to get mirror for package: %s") % pkg.name logger.warning(msg)