# Copyright 2005 Duke University # Copyright (C) 2012-2016 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Library 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. # # Written by Seth Vidal """ Command line interface yum class and related. """ from __future__ import print_function from __future__ import absolute_import from __future__ import unicode_literals try: from collections.abc import Sequence except ImportError: from collections import Sequence import datetime import logging import operator import os import random import rpm import sys import time import hawkey import libdnf.transaction from . import output from dnf.cli import CliError from dnf.i18n import ucd, _ import dnf import dnf.cli.aliases import dnf.cli.commands import dnf.cli.commands.alias import dnf.cli.commands.autoremove import dnf.cli.commands.check import dnf.cli.commands.clean import dnf.cli.commands.deplist import dnf.cli.commands.distrosync import dnf.cli.commands.downgrade import dnf.cli.commands.group import dnf.cli.commands.history import dnf.cli.commands.install import dnf.cli.commands.makecache import dnf.cli.commands.mark import dnf.cli.commands.module import dnf.cli.commands.reinstall import dnf.cli.commands.remove import dnf.cli.commands.repolist import dnf.cli.commands.repoquery import dnf.cli.commands.search import dnf.cli.commands.shell import dnf.cli.commands.swap import dnf.cli.commands.updateinfo import dnf.cli.commands.upgrade import dnf.cli.commands.upgrademinimal import dnf.cli.demand import dnf.cli.format import dnf.cli.option_parser import dnf.conf import dnf.conf.substitutions import dnf.const import dnf.db.history import dnf.exceptions import dnf.logging import dnf.persistor import dnf.plugin import dnf.rpm import dnf.sack import dnf.transaction import dnf.util import dnf.yum.misc logger = logging.getLogger('dnf') def _add_pkg_simple_list_lens(data, pkg, indent=''): """ Get the length of each pkg's column. Add that to data. This "knows" about simpleList and printVer. """ na = len(pkg.name) + 1 + len(pkg.arch) + len(indent) ver = len(pkg.evr) rid = len(pkg._from_repo) for (d, v) in (('na', na), ('ver', ver), ('rid', rid)): data[d].setdefault(v, 0) data[d][v] += 1 def _list_cmd_calc_columns(output, ypl): """ Work out the dynamic size of the columns to pass to fmtColumns. """ data = {'na' : {}, 'ver' : {}, 'rid' : {}} for lst in (ypl.installed, ypl.available, ypl.extras, ypl.autoremove, ypl.updates, ypl.recent): for pkg in lst: _add_pkg_simple_list_lens(data, pkg) if len(ypl.obsoletes) > 0: for (npkg, opkg) in ypl.obsoletesTuples: _add_pkg_simple_list_lens(data, npkg) _add_pkg_simple_list_lens(data, opkg, indent=" " * 4) data = [data['na'], data['ver'], data['rid']] columns = output.calcColumns(data, remainder_column=1) return (-columns[0], -columns[1], -columns[2]) def print_versions(pkgs, base, output): def sm_ui_time(x): return time.strftime("%c", time.gmtime(x)) rpmdb_sack = dnf.sack.rpmdb_sack(base) done = False for pkg in rpmdb_sack.query().installed().filterm(name=pkgs): if done: print("") done = True if pkg.epoch == '0': ver = '%s-%s.%s' % (pkg.version, pkg.release, pkg.arch) else: ver = '%s:%s-%s.%s' % (pkg.epoch, pkg.version, pkg.release, pkg.arch) name = output.term.bold(pkg.name) print(_(" Installed: %s-%s at %s") %(name, ver, sm_ui_time(pkg.installtime))) print(_(" Built : %s at %s") % (pkg.packager if pkg.packager else "", sm_ui_time(pkg.buildtime))) # :hawkey, no changelist information yet # print(_(" Committed: %s at %s") % (pkg.committer, # sm_ui_date(pkg.committime))) def report_module_switch(switchedModules): msg1 = _("The operation would result in switching of module '{0}' stream '{1}' to " "stream '{2}'") for moduleName, streams in switchedModules.items(): logger.warning(msg1.format(moduleName, streams[0], streams[1])) class BaseCli(dnf.Base): """This is the base class for yum cli.""" def __init__(self, conf=None): conf = conf or dnf.conf.Conf() super(BaseCli, self).__init__(conf=conf) self.output = output.Output(self, self.conf) def do_transaction(self, display=()): """Take care of package downloading, checking, user confirmation and actually running the transaction. :param display: `rpm.callback.TransactionProgress` object(s) :return: history database transaction ID or None """ if dnf.base.WITH_MODULES: if not self.conf.module_stream_switch: switchedModules = dict(self._moduleContainer.getSwitchedStreams()) if switchedModules: report_module_switch(switchedModules) msg = _("It is not possible to switch enabled streams of a module unless explicitly " "enabled via configuration option module_stream_switch.\n" "It is recommended to rather remove all installed content from the module, and " "reset the module using '{prog} module reset <module_name>' command. After " "you reset the module, you can install the other stream.").format( prog=dnf.util.MAIN_PROG) raise dnf.exceptions.Error(msg) trans = self.transaction pkg_str = self.output.list_transaction(trans) if pkg_str: logger.info(pkg_str) if trans: # Check which packages have to be downloaded install_pkgs = [] rmpkgs = [] install_only = True for tsi in trans: if tsi.action in dnf.transaction.FORWARD_ACTIONS: install_pkgs.append(tsi.pkg) elif tsi.action in dnf.transaction.BACKWARD_ACTIONS: install_only = False rmpkgs.append(tsi.pkg) # Close the connection to the rpmdb so that rpm doesn't hold the # SIGINT handler during the downloads. del self._ts # report the total download size to the user if not install_pkgs: self.output.reportRemoveSize(rmpkgs) else: self.output.reportDownloadSize(install_pkgs, install_only) if trans or self._moduleContainer.isChanged() or \ (self._history and (self._history.group or self._history.env)): # confirm with user if self.conf.downloadonly: logger.info(_("{prog} will only download packages for the transaction.").format( prog=dnf.util.MAIN_PROG_UPPER)) elif 'test' in self.conf.tsflags: logger.info(_("{prog} will only download packages, install gpg keys, and check the " "transaction.").format(prog=dnf.util.MAIN_PROG_UPPER)) is_bootc_transaction = dnf.util._BootcSystem.is_bootc_system() and \ os.path.realpath(self.conf.installroot) == "/" and \ not self.conf.downloadonly # Handle bootc transactions. `--transient` must be specified if # /usr is not already writeable. bootc_system = None if is_bootc_transaction: if self.conf.persistence == "persist": logger.info(_("Persistent transactions aren't supported on bootc systems.")) raise CliError(_("Operation aborted.")) assert self.conf.persistence in ("auto", "transient") bootc_system = dnf.util._BootcSystem() if not bootc_system.is_writable(): if self.conf.persistence == "auto": logger.info(_("This bootc system is configured to be read-only. Pass --transient to " "perform this transaction in a transient overlay which will reset when " "the system reboots.")) raise CliError(_("Operation aborted.")) assert self.conf.persistence == "transient" if not bootc_system.is_unlocked_transient(): # Only tell the user about the transient overlay if # it's not already in place logger.info(_("A transient overlay will be created on /usr that will be discarded on reboot. " "Keep in mind that changes to /etc and /var will still persist, and packages " "commonly modify these directories.")) else: # Not a bootc transaction. if self.conf.persistence == "transient": raise CliError(_("Transient transactions are only supported on bootc systems.")) if self._promptWanted(): if self.conf.assumeno or not self.output.userconfirm(): raise CliError(_("Operation aborted.")) if bootc_system: bootc_system.make_writable() else: logger.info(_('Nothing to do.')) return if trans: if install_pkgs: logger.info(_('Downloading Packages:')) try: total_cb = self.output.download_callback_total_cb self.download_packages(install_pkgs, self.output.progress, total_cb) except dnf.exceptions.DownloadError as e: specific = dnf.cli.format.indent_block(ucd(e)) errstr = _('Error downloading packages:') + '\n%s' % specific # setting the new line to prevent next chars being eaten up # by carriage returns print() raise dnf.exceptions.Error(errstr) # Check GPG signatures self.gpgsigcheck(install_pkgs) if self.conf.downloadonly: return if not isinstance(display, Sequence): display = [display] display = [output.CliTransactionDisplay()] + list(display) tid = super(BaseCli, self).do_transaction(display) # display last transaction (which was closed during do_transaction()) if tid is not None: trans = self.history.old([tid])[0] trans = dnf.db.group.RPMTransaction(self.history, trans._trans) else: trans = None if trans: # the post transaction summary is already written to log during # Base.do_transaction() so here only print the messages to the # user arranged in columns print() print('\n'.join(self.output.post_transaction_output(trans))) print() for tsi in trans: if tsi.state == libdnf.transaction.TransactionItemState_ERROR: raise dnf.exceptions.Error(_('Transaction failed')) return tid def gpgsigcheck(self, pkgs): """Perform GPG signature verification on the given packages, installing keys if possible. :param pkgs: a list of package objects to verify the GPG signatures of :raises: Will raise :class:`Error` if there's a problem """ error_messages = [] for po in pkgs: result, errmsg = self._sig_check_pkg(po) if result == 0: # Verified ok, or verify not req'd continue elif result == 1: ay = self.conf.assumeyes and not self.conf.assumeno if (not sys.stdin or not sys.stdin.isatty()) and not ay: raise dnf.exceptions.Error(_('Refusing to automatically import keys when running ' \ 'unattended.\nUse "-y" to override.')) # the callback here expects to be able to take options which # userconfirm really doesn't... so fake it fn = lambda x, y, z: self.output.userconfirm() try: self._get_key_for_package(po, fn) except (dnf.exceptions.Error, ValueError) as e: error_messages.append(str(e)) else: # Fatal error error_messages.append(errmsg) if error_messages: for msg in error_messages: logger.critical(msg) raise dnf.exceptions.Error(_("GPG check FAILED")) def latest_changelogs(self, package): """Return list of changelogs for package newer then installed version""" newest = None # find the date of the newest changelog for installed version of package # stored in rpmdb for mi in self._rpmconn.readonly_ts.dbMatch('name', package.name): changelogtimes = mi[rpm.RPMTAG_CHANGELOGTIME] if changelogtimes: newest = datetime.date.fromtimestamp(changelogtimes[0]) break chlogs = [chlog for chlog in package.changelogs if newest is None or chlog['timestamp'] > newest] return chlogs def format_changelog(self, changelog): """Return changelog formatted as in spec file""" chlog_str = '* %s %s\n%s\n' % ( changelog['timestamp'].strftime("%a %b %d %X %Y"), dnf.i18n.ucd(changelog['author']), dnf.i18n.ucd(changelog['text'])) return chlog_str def print_changelogs(self, packages): # group packages by src.rpm to avoid showing duplicate changelogs bysrpm = dict() for p in packages: # there are packages without source_name, use name then. bysrpm.setdefault(p.source_name or p.name, []).append(p) for source_name in sorted(bysrpm.keys()): bin_packages = bysrpm[source_name] print(_("Changelogs for {}").format(', '.join([str(pkg) for pkg in bin_packages]))) for chl in self.latest_changelogs(bin_packages[0]): print(self.format_changelog(chl)) def check_updates(self, patterns=(), reponame=None, print_=True, changelogs=False): """Check updates matching given *patterns* in selected repository.""" ypl = self.returnPkgLists('upgrades', patterns, reponame=reponame) if self.conf.obsoletes or self.conf.verbose: typl = self.returnPkgLists('obsoletes', patterns, reponame=reponame) ypl.obsoletes = typl.obsoletes ypl.obsoletesTuples = typl.obsoletesTuples if print_: columns = _list_cmd_calc_columns(self.output, ypl) if len(ypl.updates) > 0: local_pkgs = {} highlight = self.output.term.MODE['bold'] if highlight: # Do the local/remote split we get in "yum updates" for po in sorted(ypl.updates): local = po.localPkg() if os.path.exists(local) and po.verifyLocalPkg(): local_pkgs[(po.name, po.arch)] = po cul = self.conf.color_update_local cur = self.conf.color_update_remote self.output.listPkgs(ypl.updates, '', outputType='list', highlight_na=local_pkgs, columns=columns, highlight_modes={'=' : cul, 'not in' : cur}) if changelogs: self.print_changelogs(ypl.updates) if len(ypl.obsoletes) > 0: print(_('Obsoleting Packages')) # The tuple is (newPkg, oldPkg) ... so sort by new for obtup in sorted(ypl.obsoletesTuples, key=operator.itemgetter(0)): self.output.updatesObsoletesList(obtup, 'obsoletes', columns=columns) return ypl.updates or ypl.obsoletes def distro_sync_userlist(self, userlist): """ Upgrade or downgrade packages to match the latest versions available in the enabled repositories. :return: (exit_code, [ errors ]) exit_code is:: 0 = we're done, exit 1 = we've errored, exit with error string 2 = we've got work yet to do, onto the next stage """ oldcount = self._goal.req_length() if len(userlist) == 0: self.distro_sync() else: for pkg_spec in userlist: self.distro_sync(pkg_spec) cnt = self._goal.req_length() - oldcount if cnt <= 0 and not self._goal.req_has_distupgrade_all(): msg = _('No packages marked for distribution synchronization.') raise dnf.exceptions.Error(msg) def downgradePkgs(self, specs=[], file_pkgs=[], strict=False): """Attempt to take the user specified list of packages or wildcards and downgrade them. If a complete version number is specified, attempt to downgrade them to the specified version :param specs: a list of names or wildcards specifying packages to downgrade :param file_pkgs: a list of pkg objects from local files """ result = False for pkg in file_pkgs: try: self.package_downgrade(pkg, strict=strict) result = True except dnf.exceptions.MarkingError as e: logger.info(_('No match for argument: %s'), self.output.term.bold(pkg.location)) for arg in specs: try: self.downgrade_to(arg, strict=strict) result = True except dnf.exceptions.PackageNotFoundError as err: msg = _('No package %s available.') logger.info(msg, self.output.term.bold(arg)) except dnf.exceptions.PackagesNotInstalledError as err: logger.info(_('Packages for argument %s available, but not installed.'), self.output.term.bold(err.pkg_spec)) except dnf.exceptions.MarkingError: assert False if not result: raise dnf.exceptions.Error(_('No packages marked for downgrade.')) def output_packages(self, basecmd, pkgnarrow='all', patterns=(), reponame=None): """Output selection *pkgnarrow* of packages matching *patterns* and *repoid*.""" try: highlight = self.output.term.MODE['bold'] ypl = self.returnPkgLists( pkgnarrow, patterns, installed_available=highlight, reponame=reponame) except dnf.exceptions.Error as e: return 1, [str(e)] else: update_pkgs = {} inst_pkgs = {} local_pkgs = {} columns = None if basecmd == 'list': # Dynamically size the columns columns = _list_cmd_calc_columns(self.output, ypl) if highlight and ypl.installed: # If we have installed and available lists, then do the # highlighting for the installed packages so you can see what's # available to update, an extra, or newer than what we have. for pkg in (ypl.hidden_available + ypl.reinstall_available + ypl.old_available): key = (pkg.name, pkg.arch) if key not in update_pkgs or pkg > update_pkgs[key]: update_pkgs[key] = pkg if highlight and ypl.available: # If we have installed and available lists, then do the # highlighting for the available packages so you can see what's # available to install vs. update vs. old. for pkg in ypl.hidden_installed: key = (pkg.name, pkg.arch) if key not in inst_pkgs or pkg > inst_pkgs[key]: inst_pkgs[key] = pkg if highlight and ypl.updates: # Do the local/remote split we get in "yum updates" for po in sorted(ypl.updates): if po.reponame != hawkey.SYSTEM_REPO_NAME: local_pkgs[(po.name, po.arch)] = po # Output the packages: clio = self.conf.color_list_installed_older clin = self.conf.color_list_installed_newer clir = self.conf.color_list_installed_reinstall clie = self.conf.color_list_installed_extra rip = self.output.listPkgs(ypl.installed, _('Installed Packages'), basecmd, highlight_na=update_pkgs, columns=columns, highlight_modes={'>' : clio, '<' : clin, '=' : clir, 'not in' : clie}) clau = self.conf.color_list_available_upgrade clad = self.conf.color_list_available_downgrade clar = self.conf.color_list_available_reinstall clai = self.conf.color_list_available_install rap = self.output.listPkgs(ypl.available, _('Available Packages'), basecmd, highlight_na=inst_pkgs, columns=columns, highlight_modes={'<' : clau, '>' : clad, '=' : clar, 'not in' : clai}) raep = self.output.listPkgs(ypl.autoremove, _('Autoremove Packages'), basecmd, columns=columns) rep = self.output.listPkgs(ypl.extras, _('Extra Packages'), basecmd, columns=columns) cul = self.conf.color_update_local cur = self.conf.color_update_remote rup = self.output.listPkgs(ypl.updates, _('Available Upgrades'), basecmd, highlight_na=local_pkgs, columns=columns, highlight_modes={'=' : cul, 'not in' : cur}) # XXX put this into the ListCommand at some point if len(ypl.obsoletes) > 0 and basecmd == 'list': # if we've looked up obsolete lists and it's a list request rop = len(ypl.obsoletes) print(_('Obsoleting Packages')) for obtup in sorted(ypl.obsoletesTuples, key=operator.itemgetter(0)): self.output.updatesObsoletesList(obtup, 'obsoletes', columns=columns) else: rop = self.output.listPkgs(ypl.obsoletes, _('Obsoleting Packages'), basecmd, columns=columns) rrap = self.output.listPkgs(ypl.recent, _('Recently Added Packages'), basecmd, columns=columns) if len(patterns) and \ rrap == 0 and rop == 0 and rup == 0 and rep == 0 and rap == 0 and raep == 0 and rip == 0: raise dnf.exceptions.Error(_('No matching Packages to list')) def returnPkgLists(self, pkgnarrow='all', patterns=None, installed_available=False, reponame=None): """Return a :class:`dnf.yum.misc.GenericHolder` object containing lists of package objects that match the given names or wildcards. :param pkgnarrow: a string specifying which types of packages lists to produce, such as updates, installed, available, etc. :param patterns: a list of names or wildcards specifying packages to list :param installed_available: whether the available package list is present as .hidden_available when doing all, available, or installed :param reponame: limit packages list to the given repository :return: a :class:`dnf.yum.misc.GenericHolder` instance with the following lists defined:: available = list of packageObjects installed = list of packageObjects upgrades = tuples of packageObjects (updating, installed) extras = list of packageObjects obsoletes = tuples of packageObjects (obsoleting, installed) recent = list of packageObjects """ done_hidden_available = False done_hidden_installed = False if installed_available and pkgnarrow == 'installed': done_hidden_available = True pkgnarrow = 'all' elif installed_available and pkgnarrow == 'available': done_hidden_installed = True pkgnarrow = 'all' ypl = self._do_package_lists( pkgnarrow, patterns, ignore_case=True, reponame=reponame) if self.conf.showdupesfromrepos: for pkg in ypl.reinstall_available: if not pkg.installed and not done_hidden_available: ypl.available.append(pkg) if installed_available: ypl.hidden_available = ypl.available ypl.hidden_installed = ypl.installed if done_hidden_available: ypl.available = [] if done_hidden_installed: ypl.installed = [] return ypl def provides(self, args): """Print out a list of packages that provide the given file or feature. This a cli wrapper to the provides methods in the rpmdb and pkgsack. :param args: the name of a file or feature to search for :return: (exit_code, [ errors ]) exit_code is:: 0 = we're done, exit 1 = we've errored, exit with error string 2 = we've got work yet to do, onto the next stage """ # always in showdups mode old_sdup = self.conf.showdupesfromrepos self.conf.showdupesfromrepos = True matches = [] used_search_strings = [] for spec in args: query, used_search_string = super(BaseCli, self).provides(spec) matches.extend(query) used_search_strings.extend(used_search_string) for pkg in sorted(matches): self.output.matchcallback_verbose(pkg, used_search_strings, args) self.conf.showdupesfromrepos = old_sdup if not matches: raise dnf.exceptions.Error(_('No matches found. If searching for a file, ' 'try specifying the full path or using a ' 'wildcard prefix ("*/") at the beginning.')) def _promptWanted(self): # shortcut for the always-off/always-on options if self.conf.assumeyes and not self.conf.assumeno: return False return True class Cli(object): def __init__(self, base): self.base = base self.cli_commands = {} self.command = None self.demands = dnf.cli.demand.DemandSheet() # :api self.register_command(dnf.cli.commands.alias.AliasCommand) self.register_command(dnf.cli.commands.autoremove.AutoremoveCommand) self.register_command(dnf.cli.commands.check.CheckCommand) self.register_command(dnf.cli.commands.clean.CleanCommand) self.register_command(dnf.cli.commands.distrosync.DistroSyncCommand) self.register_command(dnf.cli.commands.deplist.DeplistCommand) self.register_command(dnf.cli.commands.downgrade.DowngradeCommand) self.register_command(dnf.cli.commands.group.GroupCommand) self.register_command(dnf.cli.commands.history.HistoryCommand) self.register_command(dnf.cli.commands.install.InstallCommand) self.register_command(dnf.cli.commands.makecache.MakeCacheCommand) self.register_command(dnf.cli.commands.mark.MarkCommand) self.register_command(dnf.cli.commands.module.ModuleCommand) self.register_command(dnf.cli.commands.reinstall.ReinstallCommand) self.register_command(dnf.cli.commands.remove.RemoveCommand) self.register_command(dnf.cli.commands.repolist.RepoListCommand) self.register_command(dnf.cli.commands.repoquery.RepoQueryCommand) self.register_command(dnf.cli.commands.search.SearchCommand) self.register_command(dnf.cli.commands.shell.ShellCommand) self.register_command(dnf.cli.commands.swap.SwapCommand) self.register_command(dnf.cli.commands.updateinfo.UpdateInfoCommand) self.register_command(dnf.cli.commands.upgrade.UpgradeCommand) self.register_command(dnf.cli.commands.upgrademinimal.UpgradeMinimalCommand) self.register_command(dnf.cli.commands.InfoCommand) self.register_command(dnf.cli.commands.ListCommand) self.register_command(dnf.cli.commands.ProvidesCommand) self.register_command(dnf.cli.commands.CheckUpdateCommand) self.register_command(dnf.cli.commands.RepoPkgsCommand) self.register_command(dnf.cli.commands.HelpCommand) def _configure_repos(self, opts): self.base.read_all_repos(opts) if opts.repofrompath: for label, path in opts.repofrompath.items(): this_repo = self.base.repos.add_new_repo(label, self.base.conf, baseurl=[path]) this_repo._configure_from_options(opts) # do not let this repo to be disabled opts.repos_ed.append((label, "enable")) if opts.repo: opts.repos_ed.insert(0, ("*", "disable")) opts.repos_ed.extend([(r, "enable") for r in opts.repo]) notmatch = set() # Process repo enables and disables in order try: for (repo, operation) in opts.repos_ed: repolist = self.base.repos.get_matching(repo) if not repolist: if self.base.conf.strict and operation == "enable": msg = _("Unknown repo: '%s'") raise dnf.exceptions.RepoError(msg % repo) notmatch.add(repo) if operation == "enable": repolist.enable() else: repolist.disable() except dnf.exceptions.ConfigError as e: logger.critical(e) self.optparser.print_help() sys.exit(1) for repo in notmatch: logger.warning(_("No repository match: %s"), repo) expired_repos = self.base._repo_persistor.get_expired_repos() if expired_repos is None: expired_repos = self.base.repos.keys() for rid in expired_repos: repo = self.base.repos.get(rid) if repo: repo._repo.expire() # setup the progress bars/callbacks (bar, self.base._ds_callback) = self.base.output.setup_progress_callbacks() self.base.repos.all().set_progress_bar(bar) key_import = output.CliKeyImport(self.base, self.base.output) self.base.repos.all()._set_key_import(key_import) def _log_essentials(self): logger.debug('{prog} version: %s'.format(prog=dnf.util.MAIN_PROG_UPPER), dnf.const.VERSION) logger.log(dnf.logging.DDEBUG, 'Command: %s', self.cmdstring) logger.log(dnf.logging.DDEBUG, 'Installroot: %s', self.base.conf.installroot) logger.log(dnf.logging.DDEBUG, 'Releasever: %s', self.base.conf.releasever) logger.debug("cachedir: %s", self.base.conf.cachedir) def _process_demands(self): demands = self.demands repos = self.base.repos if demands.root_user: if not dnf.util.am_i_root(): raise dnf.exceptions.Error( _('This command has to be run with superuser privileges ' '(under the root user on most systems).')) if demands.changelogs: for repo in repos.iter_enabled(): repo.load_metadata_other = True if demands.cacheonly or self.base.conf.cacheonly: self.base.conf.cacheonly = True for repo in repos.values(): repo._repo.setSyncStrategy(dnf.repo.SYNC_ONLY_CACHE) else: if demands.freshest_metadata: for repo in repos.iter_enabled(): repo._repo.expire() elif not demands.fresh_metadata: for repo in repos.values(): repo._repo.setSyncStrategy(dnf.repo.SYNC_LAZY) if demands.sack_activation: self.base.fill_sack( load_system_repo='auto' if self.demands.load_system_repo else False, load_available_repos=self.demands.available_repos) def _parse_commands(self, opts, args): """Check that the requested CLI command exists.""" basecmd = opts.command command_cls = self.cli_commands.get(basecmd) if command_cls is None: logger.critical(_('No such command: %s. Please use %s --help'), basecmd, sys.argv[0]) if self.base.conf.plugins: logger.critical(_("It could be a {PROG} plugin command, " "try: \"{prog} install 'dnf-command(%s)'\"").format( prog=dnf.util.MAIN_PROG, PROG=dnf.util.MAIN_PROG_UPPER), basecmd) else: logger.critical(_("It could be a {prog} plugin command, " "but loading of plugins is currently disabled.").format( prog=dnf.util.MAIN_PROG_UPPER)) raise CliError self.command = command_cls(self) logger.log(dnf.logging.DDEBUG, 'Base command: %s', basecmd) logger.log(dnf.logging.DDEBUG, 'Extra commands: %s', args) def configure(self, args, option_parser=None): """Parse command line arguments, and set up :attr:`self.base.conf` and :attr:`self.cmds`, as well as logger objects in base instance. :param args: a list of command line arguments :param option_parser: a class for parsing cli options """ aliases = dnf.cli.aliases.Aliases() args = aliases.resolve(args) self.optparser = dnf.cli.option_parser.OptionParser() \ if option_parser is None else option_parser opts = self.optparser.parse_main_args(args) # Just print out the version if that's what the user wanted if opts.version: print(dnf.const.VERSION) print_versions(self.base.conf.history_record_packages, self.base, self.base.output) sys.exit(0) if opts.quiet: opts.debuglevel = 0 opts.errorlevel = 2 if opts.verbose: opts.debuglevel = opts.errorlevel = dnf.const.VERBOSE_LEVEL # Read up configuration options and initialize plugins try: if opts.cacheonly: self.base.conf._set_value("cachedir", self.base.conf.system_cachedir, dnf.conf.PRIO_DEFAULT) self.demands.cacheonly = True self.base.conf._configure_from_options(opts) self._read_conf_file(opts.releasever) if 'arch' in opts: self.base.conf.arch = opts.arch self.base.conf._adjust_conf_options() except (dnf.exceptions.ConfigError, ValueError) as e: logger.critical(_('Config error: %s'), e) sys.exit(1) except IOError as e: e = '%s: %s' % (ucd(str(e)), repr(e.filename)) logger.critical(_('Config error: %s'), e) sys.exit(1) if opts.destdir is not None: self.base.conf.destdir = opts.destdir if not self.base.conf.downloadonly and opts.command not in ( 'download', 'system-upgrade', 'reposync', 'modulesync'): logger.critical(_('--destdir or --downloaddir must be used with --downloadonly ' 'or download or system-upgrade command.') ) sys.exit(1) if (opts.set_enabled or opts.set_disabled) and opts.command != 'config-manager': logger.critical( _('--enable, --set-enabled and --disable, --set-disabled ' 'must be used with config-manager command.')) sys.exit(1) if opts.sleeptime is not None: time.sleep(random.randrange(opts.sleeptime * 60)) # store the main commands & summaries, before plugins are loaded self.optparser.add_commands(self.cli_commands, 'main') # store the plugin commands & summaries self.base.init_plugins(opts.disableplugin, opts.enableplugin, self) self.optparser.add_commands(self.cli_commands,'plugin') # show help if no command specified # this is done here, because we first have the full # usage info after the plugins are loaded. if not opts.command: self.optparser.print_help() sys.exit(0) # save our original args out self.base.args = args # save out as a nice command string self.cmdstring = self.optparser.prog + ' ' for arg in self.base.args: self.cmdstring += '%s ' % arg self._log_essentials() try: self._parse_commands(opts, args) except CliError: sys.exit(1) # show help for dnf <command> --help / --help-cmd if opts.help: self.optparser.print_help(self.command) sys.exit(0) opts = self.optparser.parse_command_args(self.command, args) if opts.allowerasing: self.demands.allow_erasing = opts.allowerasing self.base._allow_erasing = True if opts.freshest_metadata: self.demands.freshest_metadata = opts.freshest_metadata if opts.debugsolver: self.base.conf.debug_solver = True if opts.obsoletes: self.base.conf.obsoletes = True self.command.pre_configure() self.base.pre_configure_plugins() # with cachedir in place we can configure stuff depending on it: self.base._activate_persistor() self._configure_repos(opts) self.base.configure_plugins() self.base.conf._configure_from_options(opts) self.command.configure() if self.base.conf.destdir: dnf.util.ensure_dir(self.base.conf.destdir) self.base.repos.all().pkgdir = self.base.conf.destdir if self.base.conf.color != 'auto': self.base.output.term.reinit(color=self.base.conf.color) if rpm.expandMacro('%_pkgverify_level') in ('signature', 'all'): forcing = False for repo in self.base.repos.iter_enabled(): if repo.gpgcheck: continue repo.gpgcheck = True forcing = True if not self.base.conf.localpkg_gpgcheck: self.base.conf.localpkg_gpgcheck = True forcing = True if forcing: logger.warning( _("Warning: Enforcing GPG signature check globally " "as per active RPM security policy (see 'gpgcheck' in " "dnf.conf(5) for how to squelch this message)" ) ) def _read_conf_file(self, releasever=None): timer = dnf.logging.Timer('config') conf = self.base.conf # replace remote config path with downloaded file conf._check_remote_file('config_file_path') # search config file inside the installroot first conf._search_inside_installroot('config_file_path') # check whether a config file is requested from command line and the file exists filename = conf._get_value('config_file_path') if (conf._get_priority('config_file_path') == dnf.conf.PRIO_COMMANDLINE) and \ not os.path.isfile(filename): raise dnf.exceptions.ConfigError(_('Config file "{}" does not exist').format(filename)) # read config conf.read(priority=dnf.conf.PRIO_MAINCONFIG) # search reposdir file inside the installroot first from_root = conf._search_inside_installroot('reposdir') # Update vars from same root like repos were taken if conf._get_priority('varsdir') == dnf.conf.PRIO_COMMANDLINE: from_root = "/" subst = conf.substitutions subst.update_from_etc(from_root, varsdir=conf._get_value('varsdir')) # cachedir, logs, releasever, and gpgkey are taken from or stored in installroot if releasever is None and conf.releasever is None: releasever = dnf.rpm.detect_releasever(conf.installroot) elif releasever == '/': releasever = dnf.rpm.detect_releasever(releasever) if releasever is not None: conf.releasever = releasever if conf.releasever is None: logger.warning(_("Unable to detect release version (use '--releasever' to specify " "release version)")) for opt in ('cachedir', 'logdir', 'persistdir'): conf.prepend_installroot(opt) self.base._logging._setup_from_dnf_conf(conf) timer() return conf def _populate_update_security_filter(self, opts, cmp_type='eq', all=None): """ :param opts: :param cmp_type: string supported "eq", "gte" :param all: :return: """ if (opts is None) and (all is None): return types = [] if opts.bugfix or all: types.append('bugfix') if opts.enhancement or all: types.append('enhancement') if opts.newpackage or all: types.append('newpackage') if opts.security or all: types.append('security') self.base.add_security_filters(cmp_type, types=types, advisory=opts.advisory, bugzilla=opts.bugzilla, cves=opts.cves, severity=opts.severity) def redirect_logger(self, stdout=None, stderr=None): # :api """ Change minimal logger level for terminal output to stdout and stderr according to specific command requirements @param stdout: logging.INFO, logging.WARNING, ... @param stderr:logging.INFO, logging.WARNING, ... """ if stdout is not None: self.base._logging.stdout_handler.setLevel(stdout) if stderr is not None: self.base._logging.stderr_handler.setLevel(stderr) def redirect_repo_progress(self, fo=sys.stderr): progress = dnf.cli.progress.MultiFileProgressMeter(fo) self.base.output.progress = progress self.base.repos.all().set_progress_bar(progress) def _check_running_kernel(self): kernel = self.base.sack.get_running_kernel() if kernel is None: return q = self.base.sack.query().filterm(provides=kernel.name) q = q.installed() q.filterm(advisory_type='security') ikpkg = kernel for pkg in q: if pkg > ikpkg: ikpkg = pkg if ikpkg > kernel: print('Security: %s is an installed security update' % ikpkg) print('Security: %s is the currently running version' % kernel) def _option_conflict(self, option_string_1, option_string_2): print(self.optparser.print_usage()) raise dnf.exceptions.Error(_("argument {}: not allowed with argument {}".format( option_string_1, option_string_2))) def register_command(self, command_cls): """Register a Command. :api""" for name in command_cls.aliases: if name in self.cli_commands: raise dnf.exceptions.ConfigError(_('Command "%s" already defined') % name) self.cli_commands[name] = command_cls def run(self): """Call the base command, and pass it the extended commands or arguments. :return: (exit_code, [ errors ]) exit_code is:: 0 = we're done, exit 1 = we've errored, exit with error string 2 = we've got work yet to do, onto the next stage """ self._process_demands() # Reports about excludes and includes (but not from plugins) if self.base.conf.excludepkgs: logger.debug( _('Excludes in dnf.conf: ') + ", ".join(sorted(set(self.base.conf.excludepkgs)))) if self.base.conf.includepkgs: logger.debug( _('Includes in dnf.conf: ') + ", ".join(sorted(set(self.base.conf.includepkgs)))) for repo in self.base.repos.iter_enabled(): if repo.excludepkgs: logger.debug(_('Excludes in repo ') + repo.id + ": " + ", ".join(sorted(set(repo.excludepkgs)))) if repo.includepkgs: logger.debug(_('Includes in repo ') + repo.id + ": " + ", ".join(sorted(set(repo.includepkgs)))) return self.command.run()