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yum-debug-dump.py
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#!/usr/bin/python -tt
# 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 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.
## (c) 2008 Red Hat. Written by [email protected]
import os
import subprocess
import sys
import time
import yum
from yum import Errors
from yum.misc import getCacheDir
from rpmUtils import miscutils
import gzip
import rpm
from optparse import OptionParser
# maybe use YumQuiet?
class YumDebugDump(yum.YumBase):
def __init__(self):
self.file_version = '1'
yum.YumBase.__init__(self)
self.opts = None
self.args = None
self.parse_args()
def parse_args(self):
parser = OptionParser()
parser.set_usage("yum-debug-dump [options] [filename]")
parser.add_option("--norepos", action="store_true", default=False,
help="do not attempt to dump the repository contents")
self.opts, self.args = parser.parse_args()
def dump_rpmdb(self):
msg = "%%%%RPMDB\n"
for po in sorted(self.rpmdb):
msg += ' %s:%s-%s-%s.%s\n' % (po.epoch, po.name, po.ver,po.rel, po.arch)
return msg
def dump_rpmdb_versions(self):
msg = "%%%%RPMDB VERSIONS\n"
# This should be the same as the default [yum] group in version-groups
yumcore = set(['yum', 'rpm', 'yum-metadata-parser'])
yumplus = set(['glibc', 'sqlite',
'libcurl', 'nss',
'rpm', 'rpm-libs', 'rpm-python',
'python',
'python-iniparse', 'python-urlgrabber', 'python-pycurl'])
yumplus.update(yumcore)
groups = {'yum-core' : yumcore,
'yum' : yumplus}
data = self.rpmdb.simpleVersion(False, groups=groups)
msg += ' all: %s\n' % (data[0],)
for grp in sorted(data[2]):
msg += ' %s: %s\n' % (grp, data[2][grp])
return msg
def dump_repos(self):
msg = "%%%%REPOS\n"
# Set up the sacks first, to capture and log any broken repos. We
# cannot yet call returnPackages() from this loop as that would lead to
# a KeyError if some repo got disabled by pkgSack due to
# skip_if_unavailable=true in a previous iteration.
#
# A failure means remaining repos were not processed, so we have to
# retry the whole process ourselves by calling pkgSack again. Since
# the worst case scenario is that all the repos are broken, we have to
# do this at least as many times as there are enabled repos.
for repo in sorted(self.repos.listEnabled()):
try:
self.pkgSack
except Errors.RepoError, e:
msg += "Error accessing repo %s: %s\n" % (e.repo, str(e))
self.repos.disableRepo(e.repo.id)
else:
break
# Dump the packages now
for repo in sorted(self.repos.listEnabled()):
try:
msg += '%%%s - %s\n' % (repo.id, repo.urls[0])
msg += " excludes: %s\n" % ",".join(repo.exclude)
for po in sorted(self.pkgSack.returnPackages(repo.id)):
msg += ' %s:%s-%s-%s.%s\n' % (po.epoch, po.name, po.ver,po.rel, po.arch)
except Errors.RepoError, e:
msg += "Error accessing repo %s: %s\n" % (repo, str(e))
continue
return msg
def dump_system_info(self):
msg = "%%%%SYSTEM INFO\n"
msg += " uname: %s, %s\n" % (os.uname()[2], os.uname()[4])
msg += " rpm ver: %s\n" % subprocess.Popen(["rpm", "--version"], stdout=subprocess.PIPE).communicate()[0].strip()
msg += " python ver: %s\n" % sys.version.replace('\n', '')
return msg
# remove pylint false positive
# Instance of 'DummyYumPlugins' has no '_plugins' member (but some types could not be inferred)
# pylint: disable-msg=E1103
def dump_yum_config_info(self):
msg = "%%%%YUM INFO\n"
msg += " arch: %s\n" % self.conf.yumvar['arch']
msg += " basearch: %s\n" % self.conf.yumvar['basearch']
msg += " releasever: %s\n" % self.conf.yumvar['releasever']
msg += " yum ver: %s\n" % yum.__version__
msg += " enabled plugins: %s\n" % ",".join(self.plugins._plugins.keys())
msg += " global excludes: %s\n" % ",".join(self.conf.exclude)
return msg
# pylint: enable-msg=E1103
# FIXME: This should use rpmdb.check_*()
def dump_rpm_problems(self):
pkgs = {}
for po in self.rpmdb.returnPackages():
tup = po.pkgtup
header = po.hdr
requires = zip(
header[rpm.RPMTAG_REQUIRENAME],
header[rpm.RPMTAG_REQUIREFLAGS],
header[rpm.RPMTAG_REQUIREVERSION],
)
pkgs[tup] = requires
errors = []
providers = {} # To speed depsolving, don't recheck deps that have
# already been checked
provsomething = {}
for (pkg,reqs) in sorted(pkgs.items()):
for (req,flags,ver) in reqs:
if ver == '':
ver = None
rflags = flags & 15
if req.startswith('rpmlib'):
continue # ignore rpmlib deps
if (req,rflags,ver) not in providers:
resolve_sack = self.rpmdb.whatProvides(req,rflags,ver)
else:
resolve_sack = providers[(req,rflags,ver)]
if len(resolve_sack) < 1:
errors.append("Package %s requires %s" % (pkg[0],
miscutils.formatRequire(req,ver,rflags)))
else:
for rpkg in resolve_sack:
# Skip packages that provide something for themselves
# as these can still be leaves
if rpkg != pkg:
provsomething[rpkg] = 1
# Store the resolve_sack so that we can re-use it if another
# package has the same requirement
providers[(req,rflags,ver)] = resolve_sack
msg = "%%%%RPMDB PROBLEMS\n"
for error in errors:
msg += "%s\n" % error
# possibly list all verify failures, too
return msg
def create_debug_file(self, fn=None):
"""create debug txt file and compress it, place it at yum_debug_dump.txt.gz
unless fn is specified"""
if not fn:
now = time.strftime("%Y-%m-%d_%T", time.localtime(time.time()))
fn = 'yum_debug_dump-%s-%s.txt.gz' % (os.uname()[1], now)
if not fn.startswith('/'):
fn = '%s/%s' % (os.getcwd(), fn)
if fn.endswith('.gz'):
fo = gzip.GzipFile(fn, 'w')
else:
fo = open(fn, 'w')
msg = "yum-debug-dump version %s\n" % self.file_version
fo.write(msg)
fo.write(self.dump_system_info())
fo.write(self.dump_yum_config_info())
fo.write(self.dump_rpm_problems())
fo.write(self.dump_rpmdb())
if not self.opts.norepos:
fo.write(self.dump_repos())
fo.write(self.dump_rpmdb_versions())
fo.close()
return fn
def main():
my = YumDebugDump()
# make yum-debug-dump work as non root user.
if my.conf.uid != 0:
cachedir = getCacheDir()
if cachedir is None:
my.logger.error("Error: Could not make cachedir, exiting")
sys.exit(50)
my.repos.setCacheDir(cachedir)
# Turn off cache
my.conf.cache = 0
# make sure the repos know about it, too
my.repos.setCache(0)
filename = None
if my.args:
filename = my.args[0]
fn = my.create_debug_file(fn=filename)
print "Output written to: %s" % fn
if __name__ == "__main__":
main()