Current File : //usr/lib/python3.6/site-packages/dnf-plugins/debug.py
#
# Copyright (C) 2015 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
from dnf.i18n import ucd
from dnfpluginscore import _, logger
import dnf
import dnf.cli
import gzip
import hawkey
import os
import rpm
import sys
import time
DEBUG_VERSION = "dnf-debug-dump version 1\n"
class Debug(dnf.Plugin):
name = 'debug'
def __init__(self, base, cli):
super(Debug, self).__init__(base, cli)
self.base = base
self.cli = cli
if self.cli is not None:
self.cli.register_command(DebugDumpCommand)
self.cli.register_command(DebugRestoreCommand)
class DebugDumpCommand(dnf.cli.Command):
aliases = ("debug-dump",)
summary = _("dump information about installed rpm packages to file")
def __init__(self, cli):
super(DebugDumpCommand, self).__init__(cli)
self.dump_file = None
def configure(self):
self.cli.demands.sack_activation = True
self.cli.demands.available_repos = True
@staticmethod
def set_argparser(parser):
parser.add_argument(
"--norepos", action="store_true", default=False,
help=_("do not attempt to dump the repository contents."))
parser.add_argument(
"filename", nargs="?",
help=_("optional name of dump file"))
def run(self):
"""create debug txt file and compress it, if no filename specified
use dnf_debug_dump-<timestamp>.txt.gz by default"""
filename = self.opts.filename
if not filename:
now = time.strftime("%Y-%m-%d_%T", time.localtime(time.time()))
filename = "dnf_debug_dump-%s-%s.txt.gz" % (os.uname()[1], now)
filename = os.path.abspath(filename)
if filename.endswith(".gz"):
self.dump_file = gzip.GzipFile(filename, "w")
else:
self.dump_file = open(filename, "w")
self.write(DEBUG_VERSION)
self.dump_system_info()
self.dump_dnf_config_info()
self.dump_rpm_problems()
self.dump_packages(not self.opts.norepos)
self.dump_rpmdb_versions()
self.dump_file.close()
print(_("Output written to: %s") % filename)
def write(self, msg):
if dnf.pycomp.PY3 and isinstance(self.dump_file, gzip.GzipFile):
msg = bytes(msg, "utf8")
dnf.pycomp.write_to_file(self.dump_file, msg)
def dump_system_info(self):
self.write("%%%%SYSTEM INFO\n")
uname = os.uname()
self.write(" uname: %s, %s\n" % (uname[2], uname[4]))
self.write(" rpm ver: %s\n" % rpm.__version__)
self.write(" python ver: %s\n" % sys.version.replace("\n", ""))
return
def dump_dnf_config_info(self):
var = self.base.conf.substitutions
plugins = ",".join([p.name for p in self.base._plugins.plugins])
self.write("%%%%DNF INFO\n")
self.write(" arch: %s\n" % var["arch"])
self.write(" basearch: %s\n" % var["basearch"])
self.write(" releasever: %s\n" % var["releasever"])
self.write(" dnf ver: %s\n" % dnf.const.VERSION)
self.write(" enabled plugins: %s\n" % plugins)
self.write(" global excludes: %s\n" % ",".join(self.base.conf.excludepkgs))
return
def dump_rpm_problems(self):
self.write("%%%%RPMDB PROBLEMS\n")
(missing, conflicts) = rpm_problems(self.base)
self.write("".join(["Package %s requires %s\n" % (ucd(pkg), ucd(req))
for (req, pkg) in missing]))
self.write("".join(["Package %s conflicts with %s\n" % (ucd(pkg),
ucd(conf))
for (conf, pkg) in conflicts]))
def dump_packages(self, load_repos):
q = self.base.sack.query()
# packages from rpmdb
self.write("%%%%RPMDB\n")
for p in sorted(q.installed()):
self.write(" %s\n" % pkgspec(p))
if not load_repos:
return
self.write("%%%%REPOS\n")
available = q.available()
for repo in sorted(self.base.repos.iter_enabled(), key=lambda x: x.id):
try:
url = None
if repo.metalink is not None:
url = repo.metalink
elif repo.mirrorlist is not None:
url = repo.mirrorlist
elif len(repo.baseurl) > 0:
url = repo.baseurl[0]
self.write("%%%s - %s\n" % (repo.id, url))
self.write(" excludes: %s\n" % ",".join(repo.excludepkgs))
for po in sorted(available.filter(reponame=repo.id)):
self.write(" %s\n" % pkgspec(po))
except dnf.exceptions.Error as e:
self.write("Error accessing repo %s: %s\n" % (repo, str(e)))
continue
return
def dump_rpmdb_versions(self):
self.write("%%%%RPMDB VERSIONS\n")
version = self.base.sack._rpmdb_version()
self.write(" all: %s\n" % version)
return
class DebugRestoreCommand(dnf.cli.Command):
aliases = ("debug-restore",)
summary = _("restore packages recorded in debug-dump file")
def configure(self):
self.cli.demands.sack_activation = True
self.cli.demands.available_repos = True
self.cli.demands.root_user = True
if not self.opts.output:
self.cli.demands.resolving = True
@staticmethod
def set_argparser(parser):
parser.add_argument(
"--output", action="store_true",
help=_("output commands that would be run to stdout."))
parser.add_argument(
"--install-latest", action="store_true",
help=_("Install the latest version of recorded packages."))
parser.add_argument(
"--ignore-arch", action="store_true",
help=_("Ignore architecture and install missing packages matching "
"the name, epoch, version and release."))
parser.add_argument(
"--filter-types", metavar="[install, remove, replace]",
default="install, remove, replace",
help=_("limit to specified type"))
parser.add_argument(
"--remove-installonly", action="store_true",
help=_('Allow removing of install-only packages. Using this option may '
'result in an attempt to remove the running kernel.'))
parser.add_argument(
"filename", nargs=1, help=_("name of dump file"))
def run(self):
"""Execute the command action here."""
if self.opts.filter_types:
self.opts.filter_types = set(
self.opts.filter_types.replace(",", " ").split())
dump_pkgs = self.read_dump_file(self.opts.filename[0])
self.process_installed(dump_pkgs, self.opts)
self.process_dump(dump_pkgs, self.opts)
def process_installed(self, dump_pkgs, opts):
installed = self.base.sack.query().installed()
installonly_pkgs = self.base._get_installonly_query(installed)
for pkg in installed:
pkg_remove = False
spec = pkgspec(pkg)
dumped_versions = dump_pkgs.get((pkg.name, pkg.arch), None)
if dumped_versions is not None:
evr = (pkg.epoch, pkg.version, pkg.release)
if evr in dumped_versions:
# the correct version is already installed
dumped_versions[evr] = 'skip'
else:
# other version is currently installed
if pkg in installonly_pkgs:
# package is install-only, should be removed
pkg_remove = True
else:
# package should be upgraded / downgraded
if "replace" in opts.filter_types:
action = 'replace'
else:
action = 'skip'
for d_evr in dumped_versions.keys():
dumped_versions[d_evr] = action
else:
# package should not be installed
pkg_remove = True
if pkg_remove and "remove" in opts.filter_types:
if pkg not in installonly_pkgs or opts.remove_installonly:
if opts.output:
print("remove %s" % spec)
else:
self.base.package_remove(pkg)
def process_dump(self, dump_pkgs, opts):
for (n, a) in sorted(dump_pkgs.keys()):
dumped_versions = dump_pkgs[(n, a)]
for (e, v, r) in sorted(dumped_versions.keys()):
action = dumped_versions[(e, v, r)]
if action == 'skip':
continue
if opts.ignore_arch:
arch = ""
else:
arch = "." + a
if opts.install_latest and action == "install":
pkg_spec = "%s%s" % (n, arch)
else:
pkg_spec = pkgtup2spec(n, arch, e, v, r)
if action in opts.filter_types:
if opts.output:
print("%s %s" % (action, pkg_spec))
else:
try:
self.base.install(pkg_spec)
except dnf.exceptions.MarkingError:
logger.error(_("Package %s is not available"), pkg_spec)
@staticmethod
def read_dump_file(filename):
if filename.endswith(".gz"):
fobj = gzip.GzipFile(filename)
else:
fobj = open(filename)
if ucd(fobj.readline()) != DEBUG_VERSION:
logger.error(_("Bad dnf debug file: %s"), filename)
raise dnf.exceptions.Error
skip = True
pkgs = {}
for line in fobj:
line = ucd(line)
if skip:
if line == "%%%%RPMDB\n":
skip = False
continue
if not line or line[0] != " ":
break
pkg_spec = line.strip()
nevra = hawkey.split_nevra(pkg_spec)
# {(name, arch): {(epoch, version, release): action}}
pkgs.setdefault((nevra.name, nevra.arch), {})[
(nevra.epoch, nevra.version, nevra.release)] = "install"
return pkgs
def rpm_problems(base):
rpmdb = dnf.sack._rpmdb_sack(base)
allpkgs = rpmdb.query().installed()
requires = set()
conflicts = set()
for pkg in allpkgs:
requires.update([(req, pkg) for req in pkg.requires
if not str(req) == "solvable:prereqmarker"
and not str(req).startswith("rpmlib(")])
conflicts.update([(conf, pkg) for conf in pkg.conflicts])
missing_requires = [(req, pkg) for (req, pkg) in requires
if not allpkgs.filter(provides=req)]
existing_conflicts = [(conf, pkg) for (conf, pkg) in conflicts
if allpkgs.filter(provides=conf)]
return missing_requires, existing_conflicts
def pkgspec(pkg):
return pkgtup2spec(pkg.name, pkg.arch, pkg.epoch, pkg.version, pkg.release)
def pkgtup2spec(name, arch, epoch, version, release):
a = "" if not arch else ".%s" % arch.lstrip('.')
e = "" if epoch in (None, "") else "%s:" % epoch
return "%s-%s%s-%s%s" % (name, e, version, release, a)
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