File: //lib64/python2.7/site-packages/pyanaconda/packaging/yumpayload.py
# yumpayload.py
# Yum/rpm software payload management.
#
# Copyright (C) 2012 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.
#
# Red Hat Author(s): David Lehman <dlehman@redhat.com>
# Chris Lumens <clumens@redhat.com>
#
"""
TODO
- document all methods
- YumPayload
- write test cases
- more logging in key methods
- handling of proxy needs cleanup
- passed to anaconda as --proxy, --proxyUsername, and
--proxyPassword
- drop the use of a file for proxy and ftp auth info
- specified via KS as a URL
"""
import ConfigParser
import os
import shutil
import sys
import time
import hashlib
from pyanaconda.packaging import SSLOptions
from pyanaconda.iutil import execReadlines, ipmi_abort
from pyanaconda.product import productName
from pyanaconda.simpleconfig import simple_replace
from functools import wraps
from urlgrabber.grabber import URLGrabber, URLGrabError
import logging
log = logging.getLogger("packaging")
try:
import rpm
except ImportError:
log.error("import of rpm failed")
rpm = None
try:
import yum
# This is a bit of a hack to short circuit yum's internal logging
# handler setup. We already set one up so we don't need it to run.
# yum may give us an API to fiddle this at a later time.
yum.logginglevels._added_handlers = True
from yum.Errors import RepoError, RepoMDError, GroupsError
except ImportError:
log.error("import of yum failed")
yum = None
from pyanaconda.constants import BASE_REPO_NAME, DRACUT_ISODIR, INSTALL_TREE, ISO_DIR, MOUNT_DIR, \
LOGLVL_LOCK
from pyanaconda.flags import flags
from pyanaconda import iutil
from pyanaconda.iutil import ProxyString, ProxyStringError, xprogressive_delay
from pyanaconda.i18n import _
from pyanaconda.nm import nm_is_connected
from pyanaconda.product import isFinal
from blivet.size import Size
import blivet.util
import blivet.arch
from pyanaconda.errors import ERROR_RAISE, errorHandler, CmdlineError
from pyanaconda.packaging import DependencyError, MetadataError, NoNetworkError, NoSuchGroup, \
NoSuchPackage, PackagePayload, PayloadError, PayloadInstallError, \
PayloadSetupError
from pyanaconda.progress import progressQ
from pyanaconda.localization import langcode_matches_locale
from pykickstart.constants import GROUP_ALL, GROUP_DEFAULT, KS_MISSING_IGNORE
YUM_PLUGINS = ["fastestmirror", "langpacks"]
YUM_REPOS_DIR = "/etc/yum.repos.d/"
BASE_REPO_NAMES = [BASE_REPO_NAME] + PackagePayload.DEFAULT_REPOS
MAX_METADATA_DOWNLOAD_RETRIES = 10
import inspect
import threading
_private_yum_lock = threading.RLock()
class YumLock(object):
def __enter__(self):
if isFinal:
_private_yum_lock.acquire()
return _private_yum_lock
frame = inspect.stack()[2]
threadName = threading.currentThread().name
log.log(LOGLVL_LOCK, "about to acquire _yum_lock for %s at %s:%s (%s)", threadName, frame[1], frame[2], frame[3])
_private_yum_lock.acquire()
log.log(LOGLVL_LOCK, "have _yum_lock for %s", threadName)
return _private_yum_lock
def __exit__(self, exc_type, exc_val, exc_tb):
_private_yum_lock.release()
if not isFinal:
log.log(LOGLVL_LOCK, "gave up _yum_lock for %s", threading.currentThread().name)
def refresh_base_repo(cond_fn=None):
"""Function returning decorator for methods that invalidate base repo.
After the method has been run the base repo will be refreshed
:param cond_fn: condition function telling if base repo should be
invalidated or not (HAS TO TAKE THE SAME ARGUMENTS AS THE
DECORATED FUNCTION)
While the method runs the base_repo is set to None.
"""
def decorator(method):
"""Decorator for methods that invalidate base repo cache.
:param method: decorated method of the YumPayload class
"""
@wraps(method)
def inner_method(yum_payload, *args, **kwargs):
if cond_fn is None or cond_fn(yum_payload, *args, **kwargs):
with yum_payload._base_repo_lock:
yum_payload._base_repo = None
ret = method(yum_payload, *args, **kwargs)
if cond_fn is None or cond_fn(yum_payload, *args, **kwargs):
yum_payload._refreshBaseRepo()
return ret
return inner_method
return decorator
_yum_lock = YumLock()
_yum_cache_dir = "/tmp/yum.cache"
_yum_installer_langpack_conf = "/tmp/yum.pluginconf.d/langpacks.conf"
_yum_target_langpack_conf = "/etc/yum/pluginconf.d/langpacks.conf"
class YumPayload(PackagePayload):
"""A YumPayload installs packages onto the target system using yum.
User-defined (aka: addon) repos exist both in ksdata and in yum. They
are the only repos in ksdata.repo. The repos we find in the yum config
only exist in yum. Lastly, the base repo exists in yum and in
ksdata.method.
"""
def __init__(self, data):
if rpm is None or yum is None:
raise PayloadError("unsupported payload type")
PackagePayload.__init__(self, data)
self._root_dir = "/tmp/yum.root"
self._repos_dir = "/etc/yum.repos.d,/etc/anaconda.repos.d,/tmp/updates/anaconda.repos.d,/tmp/product/anaconda.repos.d"
self._yum = None
self._setup = False
# base repo caching
self._base_repo = None
self._base_repo_lock = threading.RLock()
# save repomd metadata
self._repoMD_list = []
self.reset()
def reset(self, root=None, releasever=None):
"""Reset this instance to its initial (unconfigured) state."""
super(YumPayload, self).reset()
# This value comes from a default install of the x86_64 Fedora 18. It
# is meant as a best first guess only. Once package metadata is
# available we can use that as a better value.
self._space_required = Size("3000 MB")
self._groups = None
self._packages = []
self._resetYum(root=root, releasever=releasever)
def setup(self, storage, instClass):
super(YumPayload, self).setup(storage, instClass)
self._writeYumConfig()
self._setup = True
def postSetup(self):
"""Save repomd.xml files for later test for availability."""
self._repoMD_list = []
for repoID in self.repos:
if not self.isRepoEnabled(repoID):
log.info("Not checking metadata for disabled repo %s", repoID)
continue
repo = self.getRepo(repoID)
with _yum_lock:
repoMD = RepoMDMetaHash(self, repo)
if repo.enabled:
repoMD.storeRepoMDHash()
self._repoMD_list.append(repoMD)
def unsetup(self):
super(YumPayload, self).unsetup()
self._setup = False
self._repoMD_list = []
def _resetYum(self, root=None, keep_cache=False, releasever=None, cache_dir=_yum_cache_dir):
"""Delete and recreate the payload's YumBase instance.
Setup _yum.preconf -- DO NOT TOUCH IT OUTSIDE THIS METHOD
NOTE: This is enforced by tests/pylint/preconf.py. If the name
of this method changes, change it there too.
"""
if root is None:
root = self._root_dir
self._repoMD_list = []
with _yum_lock:
if self._yum:
if not keep_cache:
for repo in self._yum.repos.listEnabled():
if repo.name == BASE_REPO_NAME and \
os.path.isdir(repo.cachedir):
shutil.rmtree(repo.cachedir)
del self._yum
self._writeYumConfig(cache_dir=cache_dir)
self._yum = yum.YumBase()
self._yum.use_txmbr_in_callback = True
# Set some configuration parameters that don't get set through a config
# file. yum will know what to do with these.
# Enable all types of yum plugins. We're somewhat careful about what
# plugins we put in the environment.
self._yum.preconf.plugin_types = yum.plugins.ALL_TYPES
self._yum.preconf.enabled_plugins = YUM_PLUGINS
self._yum.preconf.fn = "/tmp/anaconda-yum.conf"
self._yum.preconf.root = root
if releasever is None:
self._yum.preconf.releasever = self._getReleaseVersion(None)
else:
self._yum.preconf.releasever = releasever
self.txID = None
def _writeLangpacksConfig(self):
langs = [self.data.lang.lang] + self.data.lang.addsupport
log.debug("configuring langpacks for %s", langs)
iutil.mkdirChain(os.path.dirname(_yum_installer_langpack_conf))
shutil.copy2(_yum_target_langpack_conf,
_yum_installer_langpack_conf)
try:
# langpacks.conf is an INI style config file, read it and
# Add or change the langpack_locales entry without changing anything else.
keys=[("langpack_locales", "langpack_locales="+", ".join(langs))]
simple_replace(_yum_installer_langpack_conf, keys)
except IOError as msg:
log.error ("Error setting langpack_locales: %s", msg)
def _copyLangpacksConfigToTarget(self):
iutil.mkdirChain(os.path.dirname(iutil.getSysroot()+_yum_target_langpack_conf))
shutil.copy2(_yum_installer_langpack_conf,
iutil.getSysroot()+_yum_target_langpack_conf)
def _writeYumConfig(self, cache_dir=_yum_cache_dir):
"""Write out anaconda's main yum configuration file."""
buf = """
[main]
cachedir=%s
keepcache=0
logfile=/tmp/yum.log
metadata_expire=never
pluginpath=/usr/lib/yum-plugins,/tmp/updates/yum-plugins
pluginconfpath=%s,/etc/yum/pluginconf.d,/tmp/updates/pluginconf.d
plugins=1
debuglevel=6
errorlevel=6
reposdir=%s
""" % (cache_dir, os.path.dirname(_yum_installer_langpack_conf),
self._repos_dir)
if flags.noverifyssl:
buf += "sslverify=0\n"
if self.data.packages.multiLib:
buf += "multilib_policy=all\n"
if self.data.packages.timeout is not None:
buf += "timeout=%s\n" % self.data.packages.timeout
if self.data.packages.retries is not None:
buf += "retries=%s\n" % self.data.packages.retries
if hasattr(self.data.method, "proxy") and self.data.method.proxy:
try:
proxy = ProxyString(self.data.method.proxy)
buf += "proxy=%s\n" % (proxy.noauth_url,)
if proxy.username:
buf += "proxy_username=%s\n" % (proxy.username,)
if proxy.password:
buf += "proxy_password=%s\n" % (proxy.password,)
except ProxyStringError as e:
log.error("Failed to parse proxy for _writeYumConfig %s: %s",
self.data.method.proxy, e)
open("/tmp/anaconda-yum.conf", "w").write(buf)
# YUMFIXME: yum should allow a cache dir outside of the installroot
def _yumCacheDirHack(self):
# This is what it takes to get yum to use a cache dir outside the
# install root. We do this so we don't have to re-gather repo meta-
# data after we change the install root to sysroot, which can only
# happen after we've enabled the new storage configuration.
with _yum_lock:
if not self._yum.conf.cachedir.startswith(self._yum.conf.installroot):
return
root = self._yum.conf.installroot
self._yum.conf.cachedir = self._yum.conf.cachedir[len(root):]
def _writeYumRepo(self, repo, repo_path):
"""Write a repo object to a yum repo.conf file
:param repo: Yum repository object
:param string repo_path: Path to write the repo to
:raises: PayloadSetupError if the repo doesn't have a url
"""
with open(repo_path, "w") as f:
f.write("[%s]\n" % repo.id)
f.write("name=%s\n" % repo.id)
if self.isRepoEnabled(repo.id):
f.write("enabled=1\n")
else:
f.write("enabled=0\n")
if repo.mirrorlist:
f.write("mirrorlist=%s\n" % repo.mirrorlist)
elif repo.baseurl:
f.write("baseurl=%s\n" % repo.baseurl[0])
else:
f.close()
os.unlink(repo_path)
raise PayloadSetupError("repo %s has no baseurl, mirrorlist or metalink", repo.id)
# kickstart repo modifiers
ks_repo = self.getAddOnRepo(repo.id)
if not ks_repo:
if not repo.sslverify:
f.write("sslverify=0\n")
if repo.sslcacert:
f.write("sslcacert=%s\n" % repo.sslcacert)
if repo.sslclientcert:
f.write("sslclientcert=%s\n" % repo.sslclientcert)
if repo.sslclientkey:
f.write("sslclientkey=%s\n" % repo.sslclientkey)
return
# store all SSL data to a repo file
ssl_options = SSLOptions.createFromKSRepo(ks_repo)
for key, val in ssl_options.getYumSslDict().items():
if key == "sslverify":
if not val:
f.write("sslverify=0\n")
continue
if val is not None:
f.write("%s=%s\n" % (key, val))
if ks_repo.proxy:
try:
proxy = ProxyString(ks_repo.proxy)
f.write("proxy=%s\n" % (proxy.noauth_url,))
if proxy.username:
f.write("proxy_username=%s\n" % (proxy.username,))
if proxy.password:
f.write("proxy_password=%s\n" % (proxy.password,))
except ProxyStringError as e:
log.error("Failed to parse proxy for _writeYumRepo %s: %s",
ks_repo.proxy, e)
if ks_repo.cost:
f.write("cost=%d\n" % ks_repo.cost)
if ks_repo.includepkgs:
f.write("includepkgs=%s\n"
% ",".join(ks_repo.includepkgs))
if ks_repo.excludepkgs:
f.write("exclude=%s\n"
% ",".join(ks_repo.excludepkgs))
if ks_repo.ignoregroups:
f.write("enablegroups=0\n")
def _writeInstallConfig(self):
"""Write out the yum config that will be used to install packages.
Write out repo config files for all enabled repos, then
create a new YumBase instance with the new filesystem tree as its
install root.
This needs to be called from inside a yum_lock.
"""
self._repos_dir = "/tmp/yum.repos.d"
if not os.path.isdir(self._repos_dir):
os.mkdir(self._repos_dir)
for repo in self._yum.repos.listEnabled():
cfg_path = "%s/%s.repo" % (self._repos_dir, repo.id)
log.debug("writing repository file %s for repository %s", cfg_path, repo.id)
try:
self._writeYumRepo(repo, cfg_path)
except PayloadSetupError as e:
log.error(e)
# Move the yum.cache to the new disk space to save memory
var_tmp = iutil.getSysroot()+"/var/tmp"
if not os.path.isdir(var_tmp):
os.makedirs(var_tmp)
new_cache = var_tmp+"/yum.cache"
try:
shutil.move(_yum_cache_dir, new_cache)
except shutil.Error:
log.warn("Problem moving yum cache to %s, using %s instead", new_cache, _yum_cache_dir)
new_cache = _yum_cache_dir
self._writeLangpacksConfig()
releasever = self._yum.conf.yumvar['releasever']
log.debug("setting releasever to previous value of %s", releasever)
self._resetYum(root=iutil.getSysroot(), keep_cache=True, releasever=releasever, cache_dir=new_cache)
self._yumCacheDirHack()
self.gatherRepoMetadata()
# trigger setup of self._yum.config
log.debug("installation yum config repos: %s",
",".join(r.id for r in self._yum.repos.listEnabled()))
# YUMFIXME: there should be a way to reset package sacks without all this
# knowledge of the yum internals or, better yet, some convenience
# functions for multi-threaded applications
def release(self):
"""Release package sacks and close their connections to the database."""
with _yum_lock:
# Check if the meta package sack was created.
if self._yum._pkgSack is None:
return
try:
# Drop cached data in every sack.
self._yum.pkgSack.dropCachedData()
# Close every sack.
for sack in self._yum.pkgSack.sacks.values():
try:
sack.close()
del sack
except RepoError as error:
log.warn("The payload sack could not be closed: %s", error)
# Close the meta sack.
del self._yum.pkgSack
except RepoError as error:
# Do not propagate the repo exceptions.
log.warn("The payload could not be released: %s", error)
def deleteYumTS(self):
with _yum_lock:
log.debug("deleting yum transaction info")
self._yum.closeRpmDB()
del self._yum.tsInfo
del self._yum.ts
def preStorage(self):
self.release()
with _yum_lock:
self._yum.close()
###
### METHODS FOR WORKING WITH REPOSITORIES
###
@property
def repos(self):
if not self._setup:
return []
_repos = []
with _yum_lock:
_repos = self._yum.repos.repos.keys()
return _repos
@property
def baseRepo(self):
"""Return the current base repo id.
:returns: repo id or None
NOTE: Methods that change (or could change) the base_repo
need to be decorated with @refresh_base_repo.
"""
return self._base_repo
def _refreshBaseRepo(self):
"""Examine the enabled repos and update _base_repo."""
with _yum_lock:
for repo_name in BASE_REPO_NAMES:
if repo_name in self.repos and \
self._yum.repos.getRepo(repo_name).enabled:
with self._base_repo_lock:
self._base_repo = repo_name
break
else:
# didn't find any base repo set and enabled
with self._base_repo_lock:
log.debug("No base_repo found in %s", BASE_REPO_NAMES)
self._base_repo = None
@property
def mirrorEnabled(self):
with _yum_lock:
# we just skip this on CentOS since we cant support it yet
if productName.startswith("CentOS"):
return False
else:
# yum initializes with plugins disabled, and when plugins are disabled
# _yum.plugins is a DummyYumPlugins object, which has no useful attributes.
if hasattr(self._yum.plugins, "_plugins"):
return "fastestmirror" in self._yum.plugins._plugins
else:
return False
def getRepo(self, repo_id):
"""Return the yum repo object."""
with _yum_lock:
repo = self._yum.repos.getRepo(repo_id)
return repo
def isRepoEnabled(self, repo_id):
"""Return True if repo is enabled."""
try:
return self.getRepo(repo_id).enabled
except RepoError:
return super(YumPayload, self).isRepoEnabled(repo_id)
def verifyAvailableRepositories(self):
"""Verify availability of repositories."""
if not self._repoMD_list:
return False
for repo in self._repoMD_list:
if not repo.verifyRepoMD():
log.debug("Can't reach repo %s", repo.id)
return False
return True
@refresh_base_repo()
def updateBaseRepo(self, fallback=True, root=None, checkmount=True):
"""Update the base repo based on self.data.method.
- Tear down any previous base repo devices, symlinks, &c.
- Reset the YumBase instance.
- Try to convert the new method to a base repo.
- If that fails, we'll use whatever repos yum finds in the config.
- Set up addon repos.
- Filter out repos that don't make sense to have around.
- Get metadata for all enabled repos, disabling those for which the
retrieval fails.
"""
log.info("configuring base repo")
try:
url, mirrorlist, sslverify = self._setupInstallDevice(self.storage, checkmount)
except PayloadSetupError:
self.data.method.method = None
releasever = None
method = self.data.method
if method.method:
try:
releasever = self._getReleaseVersion(url)
log.debug("releasever from %s is %s", url, releasever)
except ConfigParser.MissingSectionHeaderError as e:
log.error("couldn't set releasever from base repo (%s): %s",
method.method, e)
# start with a fresh YumBase instance & tear down old install device
self.reset(root=root, releasever=releasever)
self._yumCacheDirHack()
# This needs to be done again, reset tore it down.
url, mirrorlist, sslverify = self._setupInstallDevice(self.storage, checkmount)
# If this is a kickstart install and no method has been set up, or
# askmethod was given on the command line, we don't want to do
# anything. Just disable all repos and return. This should avoid
# metadata fetching.
if (not method.method and flags.automatedInstall) or \
flags.askmethod:
with _yum_lock:
for repo in self._yum.repos.repos.values():
self.disableRepo(repo.id)
return
# see if we can get a usable base repo from self.data.method
if method.method:
try:
if releasever is None:
raise PayloadSetupError("base repo is unusable")
if hasattr(method, "proxy"):
proxyurl = method.proxy
else:
proxyurl = None
ssl_options = SSLOptions.createFromMethod(method)
ssl_options.sslverify = sslverify
self._addYumRepo(BASE_REPO_NAME, url, mirrorlist=mirrorlist,
proxyurl=proxyurl, **ssl_options.getYumSslDict())
self._addAddons(self._yum.repos.getRepo(BASE_REPO_NAME), url, proxyurl,
ssl_options)
except (MetadataError, PayloadError) as e:
log.error("base repo (%s/%s) not valid -- removing it", method.method, url)
log.error("reason for repo removal: %s", e)
self._removeYumRepo(BASE_REPO_NAME)
if not fallback:
with _yum_lock:
for repo in self._yum.repos.repos.values():
if repo.enabled:
self.disableRepo(repo.id)
return
# this preserves the method details while disabling it
method.method = None
self.install_device = None
with _yum_lock:
if BASE_REPO_NAME not in self._yum.repos.repos.keys():
log.info("using default repos from local yum configuration")
if self._yum.conf.yumvar['releasever'] == "rawhide" and \
"rawhide" in self.repos:
self.enableRepo("rawhide")
ssl_options = SSLOptions(sslverify)
self._addAddons(self._yum.repos.getRepo("rawhide"), url, proxyurl,
ssl_options)
# set up addon repos
# FIXME: driverdisk support
for repo in self.data.repo.dataList():
if not repo.enabled:
continue
try:
self._configureAddOnRepo(repo)
except NoNetworkError as e:
log.error("repo %s needs an active network connection", repo.name)
self.disableRepo(repo.name)
except PayloadError as e:
log.error("repo %s setup failed: %s", repo.name, e)
self.disableRepo(repo.name)
# now disable and/or remove any repos that don't make sense
with _yum_lock:
for repo in self._yum.repos.repos.values():
# Rules for which repos to enable/disable/remove
#
# - always remove
# - source, debuginfo
# - disable if isFinal
# - rawhide, development
# - disable all other built-in repos if rawhide is enabled
# - remove any repo when not isFinal and repo not enabled
# - if a base repo is defined, disable any repo not defined by
# the user that is not the base repo
#
# FIXME: updates needs special handling
if repo.id in self.addOns:
continue
if "-source" in repo.id or "-debuginfo" in repo.id:
self._removeYumRepo(repo.id)
elif isFinal and ("rawhide" in repo.id or "development" in repo.id):
# XXX the "development" part seems a bit heavy handed
self._removeYumRepo(repo.id)
elif self._yum.conf.yumvar['releasever'] == "rawhide" and \
"rawhide" in self.repos and \
self._yum.repos.getRepo("rawhide").enabled and \
repo.id not in (BASE_REPO_NAME, "rawhide"):
self.disableRepo(repo.id)
elif method.method and \
repo.id != BASE_REPO_NAME and \
repo.id not in (r.name for r in self.data.repo.dataList()):
# if a method/repo was given, disable all default repos
self.disableRepo(repo.id)
@refresh_base_repo()
def gatherRepoMetadata(self):
# now go through and get metadata for all enabled repos
log.info("gathering repo metadata")
for repo_id in self.repos:
with _yum_lock:
repo = self._yum.repos.getRepo(repo_id)
if repo.enabled:
# retry metadata downloads with a progressively longer pause,
# so that unattended installations on unreliable networks have
# a higher chance of finishing successfully
xdelay = xprogressive_delay()
if not nm_is_connected():
MAX_METADATA_DOWNLOAD_RETRIES = 1
else:
MAX_METADATA_DOWNLOAD_RETRIES = 10
for retry_count in xrange(0, MAX_METADATA_DOWNLOAD_RETRIES + 1):
if retry_count > 0:
# introduce a retry delay
time.sleep(next(xdelay))
try:
log.info("gathering repo metadata for %s", repo_id)
self._getRepoMetadata(repo)
log.info("gathered repo metadata for %s", repo_id)
break
except PayloadError as e:
log.error("failed to grab repo metadata for %s: %s", repo_id, e)
if retry_count < MAX_METADATA_DOWNLOAD_RETRIES:
# retry
log.info("retrying metadata download for repo %s, retrying (%d/%d)",
repo_id, retry_count + 1, MAX_METADATA_DOWNLOAD_RETRIES)
else:
# run out of retries
log.error("metadata download for repo %s failed after %d retries",
repo_id, retry_count)
self.disableRepo(repo_id)
else:
log.info("skipping disabled repo %s", repo_id)
# Make sure environmentAddon information is current
self._refreshEnvironmentAddons()
log.info("metadata retrieval complete")
@property
def ISOImage(self):
if not self.data.method.method == "harddrive":
return None
# This could either be mounted to INSTALL_TREE or on
# DRACUT_ISODIR if dracut did the mount.
dev = blivet.util.get_mount_device(INSTALL_TREE)
if dev:
return dev[len(ISO_DIR)+1:]
dev = blivet.util.get_mount_device(DRACUT_ISODIR)
if dev:
return dev[len(DRACUT_ISODIR)+1:]
return None
@refresh_base_repo()
def _configureAddOnRepo(self, repo):
"""Configure a single ksdata repo."""
url = repo.baseurl
if url and url.startswith("nfs://"):
# Let the assignment throw ValueError for bad NFS urls from kickstart
(server, path) = url[6:].split(":", 1)
mountpoint = "%s/%s.nfs" % (MOUNT_DIR, repo.name)
self._setupNFS(mountpoint, server, path, None)
url = "file://" + mountpoint
if self._repoNeedsNetwork(repo) and not nm_is_connected():
raise NoNetworkError
if repo.proxy:
proxy = repo.proxy
elif hasattr(self.data.method, "proxy"):
proxy = self.data.method.proxy
else:
proxy = None
sslverify = not (flags.noverifyssl or repo.noverifyssl)
ssl_options = SSLOptions.createFromKSRepo(repo)
ssl_options.sslverify = sslverify
# this repo is already in ksdata, so we only add it to yum here
self._addYumRepo(repo.name, url, repo.mirrorlist, cost=repo.cost,
exclude=repo.excludepkgs, includepkgs=repo.includepkgs,
proxyurl=proxy, **ssl_options.getYumSslDict())
self._addAddons(repo, url, proxy, ssl_options)
def _addAddons(self, repo, url, proxy, ssl_options):
addons = self._getAddons(url or repo.mirrorlist,
proxy,
ssl_options)
# Addons are added to the kickstart, but are disabled by default
for addon in addons:
# Does this repo already exist? If so, it was already added and may have
# been edited by the user so skip adding it again.
if self.getAddOnRepo(addon[0]):
log.debug("Skipping %s, already exists.", addon[0])
continue
log.info("Adding addon repo %s", addon[0])
ks_repo = self.data.RepoData(name=addon[0],
baseurl=addon[2],
proxy=repo.proxy,
enabled=False)
self.data.repo.dataList().append(ks_repo)
def _getAddons(self, baseurl, proxy_url, ssl_options):
"""Check the baseurl or mirrorlist for a repository, see if it has any
valid addon repos and if so, return a list of (repo name, repo URL).
:param baseurl: url of the repo
:type baseurl: string
:param proxy_url: Full URL of optional proxy or ""
:type proxy_url: string
:param ssl_options: container object storing all the ssl attributes
:type ssl_options: instance of the SSLOptions class
:returns: list of tuples of addons (id, name, url)
:rtype: list of tuples
"""
retval = []
# If there's no .treeinfo for this repo, don't bother looking for addons.
treeinfo = self._getTreeInfo(baseurl, proxy_url, ssl_options)
if not treeinfo:
return retval
# We need to know which variant is being installed so we know what addons
# are valid options.
try:
c = ConfigParser.ConfigParser()
ConfigParser.ConfigParser.read(c, treeinfo)
variant = c.get("general", "variant")
except ConfigParser.Error:
return retval
section = "variant-%s" % variant
# rhbz#1437510 - .treeinfo format change
if c.has_section(section) and c.has_option(section, "addons"):
validAddons = c.get(section, "addons").split(",")
else:
return retval
log.debug("Addons found: %s", validAddons)
for addon in validAddons:
addonSection = "addon-%s" % addon
if not c.has_section(addonSection) or c.get(addonSection, "type") != "addon" or not c.has_option(addonSection, "repository"):
continue
url = "%s/%s" % (baseurl, c.get(addonSection, "repository"))
retval.append((addon, c.get(addonSection, "name"), url))
return retval
def _getRepoMetadata(self, yumrepo):
"""Retrieve repo metadata if we don't already have it."""
# And try to grab its metadata. We do this here so it can be done
# on a per-repo basis, so we can then get some finer grained error
# handling and recovery.
log.debug("getting repo metadata for %s", yumrepo.id)
with _yum_lock:
try:
yumrepo.getPrimaryXML()
except RepoError as e:
raise MetadataError(e.value)
# Not getting group info is bad, but doesn't seem like a fatal error.
# At the worst, it just means the groups won't be displayed in the UI
# which isn't too bad, because you may be doing a kickstart install and
# picking packages instead.
log.debug("getting group info for %s", yumrepo.id)
try:
yumrepo.getGroups()
except RepoMDError:
log.error("failed to get groups for repo %s", yumrepo.id)
def _replaceVars(self, url):
"""Replace url variables with their values.
:param url: url string to do replacement on
:type url: string
:returns: string with variables substituted
:rtype: string or None
Currently supports $releasever and $basearch.
"""
if not url:
return url
with _yum_lock:
url = url.replace("$releasever", self._yum.conf.yumvar['releasever'])
url = url.replace("$basearch", blivet.arch.getArch())
return url
def _addYumRepo(self, name, baseurl, mirrorlist=None, proxyurl=None, **kwargs):
"""Add a yum repo to the YumBase instance."""
needsAdding = True
# First, delete any pre-existing repo with the same name.
# First, check for any pre-existing repo with the same name.
with _yum_lock:
if name in self._yum.repos.repos:
if not baseurl and not mirrorlist:
# This is a repo we already have a config file in /etc/anaconda.repos.d,
# so we just need to enable it here. See the kickstart docs for the repo
# command.
self.enableRepo(name)
obj = self._yum.repos.repos[name]
needsAdding = False
else:
self._yum.repos.delete(name)
if proxyurl and needsAdding:
try:
proxy = ProxyString(proxyurl)
kwargs["proxy"] = proxy.noauth_url
if proxy.username:
kwargs["proxy_username"] = proxy.username
if proxy.password:
kwargs["proxy_password"] = proxy.password
except ProxyStringError as e:
log.error("Failed to parse proxy for _addYumRepo %s: %s",
proxyurl, e)
if baseurl:
baseurl = self._replaceVars(baseurl)
if mirrorlist:
mirrorlist = self._replaceVars(mirrorlist)
log.info("adding yum repo, name: %s, baseurl: %s, mirrorlist: %s",
name, baseurl, mirrorlist)
with _yum_lock:
if needsAdding:
# Then add it to yum's internal structures.
obj = self._yum.add_enable_repo(name,
baseurl=[baseurl],
mirrorlist=mirrorlist,
**kwargs)
# this will trigger retrieval of repomd.xml, which is small and yet
# gives us some assurance that the repo config is sane
# YUMFIXME: yum's instant policy doesn't work as advertised
obj.mdpolicy = "meh"
try:
obj.repoXML
except RepoError as e:
raise MetadataError(e.value)
# Adding a new repo means the cached packages and groups lists
# are out of date. Clear them out now so the next reference to
# either will cause it to be regenerated.
self._groups = None
self._packages = []
@refresh_base_repo(lambda s, r_id: r_id.name in BASE_REPO_NAMES)
def addRepo(self, newrepo):
"""Add a ksdata repo."""
log.debug("adding new repo %s", newrepo.name)
self._addYumRepo(newrepo.name, newrepo.baseurl, newrepo.mirrorlist, newrepo.proxy) # FIXME: handle MetadataError
super(YumPayload, self).addRepo(newrepo)
def _removeYumRepo(self, repo_id):
if repo_id in self.repos:
with _yum_lock:
self._yum.repos.delete(repo_id)
self._groups = None
self._packages = []
@refresh_base_repo(lambda s, r_id: r_id in BASE_REPO_NAMES)
def removeRepo(self, repo_id):
"""Remove a repo as specified by id."""
log.debug("removing repo %s", repo_id)
# if this is an NFS repo, we'll want to unmount the NFS mount after
# removing the repo
mountpoint = None
with _yum_lock:
yum_repo = self._yum.repos.getRepo(repo_id)
ks_repo = self.getAddOnRepo(repo_id)
if yum_repo and ks_repo and ks_repo.baseurl.startswith("nfs://"):
mountpoint = yum_repo.baseurl[0][6:] # strip leading "nfs://"
self._removeYumRepo(repo_id)
super(YumPayload, self).removeRepo(repo_id)
if mountpoint and os.path.ismount(mountpoint):
try:
blivet.util.umount(mountpoint)
except SystemError as e:
log.error("failed to unmount nfs repo %s: %s", mountpoint, e)
@refresh_base_repo(lambda s, r_id: r_id in BASE_REPO_NAMES)
def enableRepo(self, repo_id):
"""Enable a repo as specified by id."""
log.debug("enabling repo %s", repo_id)
if repo_id in self.repos:
with _yum_lock:
self._yum.repos.enableRepo(repo_id)
super(YumPayload, self).enableRepo(repo_id)
@refresh_base_repo(lambda s, r_id: r_id in BASE_REPO_NAMES)
def disableRepo(self, repo_id):
"""Disable a repo as specified by id."""
log.debug("disabling repo %s", repo_id)
if repo_id in self.repos:
with _yum_lock:
self._yum.repos.disableRepo(repo_id)
self._groups = None
self._packages = []
super(YumPayload, self).disableRepo(repo_id)
###
### METHODS FOR WORKING WITH ENVIRONMENTS
###
@property
def environments(self):
"""List of environment ids."""
environments = []
yum_groups = self._yumGroups
if yum_groups:
with _yum_lock:
environments = [i.environmentid for i in yum_groups.get_environments()]
return environments
def environmentSelected(self, environmentid):
groups = self._yumGroups
if not groups:
return False
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
for group in environment.groups:
if not self.groupSelected(group):
return False
return True
def environmentHasOption(self, environmentid, grpid):
groups = self._yumGroups
if not groups:
return False
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
if grpid in environment.options:
return True
return False
def environmentOptionIsDefault(self, environmentid, grpid):
groups = self._yumGroups
if not groups:
return False
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
if grpid in environment.defaultoptions:
return True
return False
def environmentDescription(self, environmentid):
"""Return name/description tuple for the environment specified by id."""
groups = self._yumGroups
if not groups:
return (environmentid, environmentid)
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
return (environment.ui_name, environment.ui_description)
def environmentId(self, environment):
"""Return environment id for the environment specified by id or name."""
groups = self._yumGroups
if not groups:
return environment
with _yum_lock:
if not groups.has_environment(environment):
raise NoSuchGroup(environment)
environment_instance = groups.return_environment(environment)
return environment_instance.environmentid
def selectEnvironment(self, environmentid):
groups = self._yumGroups
if not groups:
return
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
for group in environment.groups:
self.selectGroup(group)
def deselectEnvironment(self, environmentid):
groups = self._yumGroups
if not groups:
return
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
for group in environment.groups:
self.deselectGroup(group)
for group in environment.options:
self.deselectGroup(group)
def environmentGroups(self, environmentid):
groups = self._yumGroups
if not groups:
return []
with _yum_lock:
if not groups.has_environment(environmentid):
raise NoSuchGroup(environmentid)
environment = groups.return_environment(environmentid)
return environment.groups + environment.options
###
### METHODS FOR WORKING WITH GROUPS
###
@property
def _yumGroups(self):
"""yum.comps.Comps instance."""
if not self._setup:
return []
with _yum_lock:
if not self._groups:
if not self.needsNetwork or nm_is_connected():
try:
self._groups = self._yum.comps
except (RepoError, GroupsError) as e:
log.error("failed to get group info: %s", e)
return self._groups
@property
def groups(self):
"""List of group ids."""
groups = []
yum_groups = self._yumGroups
if yum_groups:
with _yum_lock:
groups = [g.groupid for g in yum_groups.get_groups()]
return groups
def languageGroups(self):
yum_groups = self._yumGroups
if not yum_groups:
return []
lang_codes = [self.data.lang.lang] + self.data.lang.addsupport
lang_groups = set()
with _yum_lock:
groups = yum_groups.get_groups()
for lang_code in lang_codes:
for group in groups:
if langcode_matches_locale(group.langonly, lang_code):
lang_groups.add(group.groupid)
return list(lang_groups)
def groupDescription(self, groupid):
"""Return name/description tuple for the group specified by id."""
groups = self._yumGroups
if not groups:
return (groupid, groupid)
with _yum_lock:
if not groups.has_group(groupid):
raise NoSuchGroup(groupid)
group = groups.return_group(groupid)
return (group.ui_name, group.ui_description)
def groupId(self, group_name):
"""Translate group name to group ID.
:param group_name: Valid identifier for group specification.
:returns: Group ID.
:raise NoSuchGroup: If group_name doesn't exists.
:raise PayloadError: When Yum's groups are not available.
"""
groups = self._yumGroups
if not groups:
raise PayloadError("Yum's groups are not available")
with _yum_lock:
if not groups.has_group(group_name):
raise NoSuchGroup(group_name)
group = groups.return_group(group_name)
return group.groupid
def _isGroupVisible(self, groupid):
groups = self._yumGroups
if not groups:
return False
with _yum_lock:
if not groups.has_group(groupid):
return False
group = groups.return_group(groupid)
return group.user_visible
def _groupHasInstallableMembers(self, groupid):
groups = self._yumGroups
if not groups:
return False
with _yum_lock:
if not groups.has_group(groupid):
return False
group = groups.return_group(groupid)
pkgs = group.mandatory_packages.keys() + group.default_packages.keys()
if pkgs:
return True
return False
def _selectYumGroup(self, groupid, default=True, optional=False, required=False):
# select the group in comps
pkg_types = ['mandatory']
if default:
pkg_types.append("default")
if optional:
pkg_types.append("optional")
log.debug("select group %s", groupid)
with _yum_lock:
try:
self._yum.selectGroup(groupid, group_package_types=pkg_types)
except yum.Errors.GroupsError:
raise NoSuchGroup(groupid, required=required)
def _deselectYumGroup(self, groupid):
# deselect the group in comps
log.debug("deselect group %s", groupid)
with _yum_lock:
try:
self._yum.deselectGroup(groupid, force=True)
except yum.Errors.GroupsError:
raise NoSuchGroup(groupid, adding=False)
###
### METHODS FOR WORKING WITH PACKAGES
###
@property
def packages(self):
with _yum_lock:
if not self._packages:
if self.needsNetwork and not nm_is_connected():
raise NoNetworkError
try:
self._packages = self._yum.pkgSack.returnPackages()
except RepoError as e:
log.error("failed to get package list: %s", e)
return self._packages
def _selectYumPackage(self, pkgid, required=False):
"""Mark a package for installation.
pkgid - The name of a package to be installed. This could include
a version or architecture component.
"""
log.debug("select package %s", pkgid)
with _yum_lock:
try:
self._yum.install(pattern=pkgid)
except yum.Errors.InstallError:
raise NoSuchPackage(pkgid, required=required)
def _deselectYumPackage(self, pkgid):
"""Mark a package to be excluded from installation.
pkgid - The name of a package to be excluded. This could include
a version or architecture component.
"""
log.debug("deselect package %s", pkgid)
with _yum_lock:
self._yum.tsInfo.deselect(pkgid)
###
### METHODS FOR QUERYING STATE
###
@property
def spaceRequired(self):
"""The total disk space (Size) required for the current selection."""
return self._space_required
def calculateSpaceNeeds(self):
# XXX this will only be useful if you've run checkSoftwareSelection
total = 0
with _yum_lock:
for txmbr in self._yum.tsInfo.getMembers():
total += getattr(txmbr.po, "installedsize", 0)
total += total * 0.35 # add 35% to account for the fact that the above
# method is laughably inaccurate
self._space_required = Size(total)
return self._space_required
###
### METHODS FOR INSTALLING THE PAYLOAD
###
def _removeTxSaveFile(self):
# remove the transaction save file
with _yum_lock:
if self._yum._ts_save_file:
try:
os.unlink(self._yum._ts_save_file)
except (OSError, IOError):
pass
else:
self._yum._ts_save_file = None
def _handleMissing(self, exn):
if self.data.packages.handleMissing == KS_MISSING_IGNORE:
return
# If we're doing non-interactive ks install, raise CmdlineError,
# otherwise the system will just reboot automatically
if flags.automatedInstall and not flags.ksprompt:
errtxt = _("CmdlineError: Missing package: %s") % str(exn)
log.error(errtxt)
raise CmdlineError(errtxt)
elif errorHandler.cb(exn) == ERROR_RAISE:
# The progress bar polls kind of slowly, thus installation could
# still continue for a bit before the quit message is processed.
# Let's sleep forever to prevent any further actions and wait for
# the main thread to quit the process.
progressQ.send_quit(1)
while True:
time.sleep(100000)
def _applyYumSelections(self):
"""Apply the selections in ksdata to yum.
This follows the same ordering/pattern as kickstart.py.
"""
if self.data.packages.nocore:
log.info("skipping core group due to %%packages --nocore; system may not be complete")
else:
self._selectYumGroup("core")
env = None
if self.data.packages.default and self.environments:
env = self.environments[0]
elif self.data.packages.environment:
env = self.data.packages.environment
if env:
try:
self.selectEnvironment(env)
except NoSuchGroup as e:
self._handleMissing(e)
for group in self.data.packages.groupList:
default = False
optional = False
if group.include == GROUP_DEFAULT:
default = True
elif group.include == GROUP_ALL:
default = True
optional = True
try:
self._selectYumGroup(group.name, default=default, optional=optional)
except NoSuchGroup as e:
self._handleMissing(e)
for package in self.data.packages.packageList:
try:
self._selectYumPackage(package)
except NoSuchPackage as e:
self._handleMissing(e)
for package in self.data.packages.excludedList:
self._deselectYumPackage(package)
for group in self.data.packages.excludedGroupList:
try:
self._deselectYumGroup(group.name)
except NoSuchGroup as e:
self._handleMissing(e)
self._select_kernel_package()
self.selectRequiredPackages()
def checkSoftwareSelection(self):
if not self.baseRepo:
log.warn("Skipping checkSoftwareSelect, no base repo setup.")
return
log.info("checking software selection")
self.txID = time.time()
self.release()
self.deleteYumTS()
self._applyYumSelections()
with _yum_lock:
# doPostSelection
# select kernel packages
# select packages needed for storage, bootloader
# check dependencies
log.info("checking dependencies")
(code, msgs) = self._yum.buildTransaction(unfinished_transactions_check=False)
log.debug("buildTransaction = (%s, %s)", code, msgs)
self._removeTxSaveFile()
if code == 0:
# empty transaction?
log.debug("empty transaction")
elif code == 2:
# success
log.debug("success")
else:
for msg in msgs:
log.warning(msg)
# Release the package sacks.
self.release()
raise DependencyError(msgs)
self.calculateSpaceNeeds()
with _yum_lock:
log.info("%d packages selected totalling %s",
len(self._yum.tsInfo.getMembers()), self.spaceRequired)
# Release the package sacks.
self.release()
def _select_kernel_package(self):
kernels = self.kernelPackages
selected = None
# XXX This is optimistic. I'm curious if yum will DTRT if I just say
# "select this kernel" without jumping through hoops to figure out
# which arch it should use.
for kernel in kernels:
try:
# XXX might need explicit arch specification
self._selectYumPackage(kernel)
except NoSuchPackage:
log.info("no %s package", kernel)
continue
else:
log.info("selected %s", kernel)
selected = kernel
# select module packages for this kernel
# select the devel package if gcc will be installed
with _yum_lock:
if self._yum.tsInfo.matchNaevr(name="gcc"):
log.info("selecting %s-devel", kernel)
# XXX might need explicit arch specification
self._selectYumPackage("%s-devel" % kernel)
break
if not selected:
log.error("failed to select a kernel from %s", kernels)
def selectRequiredPackages(self):
try:
for package in self.requiredPackages:
self._selectYumPackage(package, required=True)
for group in self.requiredGroups:
self._selectYumGroup(group, required=True)
except (NoSuchPackage, NoSuchGroup) as e:
self._handleMissing(e)
def preInstall(self, packages=None, groups=None):
"""Perform pre-installation tasks."""
super(YumPayload, self).preInstall(packages, groups)
progressQ.send_message(_("Starting package installation process"))
if packages:
self.requiredPackages += packages
self.requiredGroups = groups
if self.install_device:
self._setupMedia(self.install_device)
with _yum_lock:
self._writeInstallConfig()
# We have this block twice. For kickstart installs, this is the only
# place dependencies will be checked. If a dependency error is hit
# here, there's nothing the user can do about it since you cannot go
# back to the first hub.
try:
self.checkSoftwareSelection()
except DependencyError as e:
if errorHandler.cb(e) == ERROR_RAISE:
progressQ.send_quit(1)
while True:
time.sleep(100000)
def install(self):
"""Install the payload.
This writes out the yum transaction and then uses a Process thread
to execute it in a totally separate process.
It monitors the status of the install and logs debug info, updates
the progress meter and cleans up when it is done.
"""
progress_map = {
"PROGRESS_PREP" : _("Preparing transaction from installation source"),
"PROGRESS_INSTALL" : _("Installing"),
"PROGRESS_RETRY" : "",
"PROGRESS_POST" : _("Performing post-installation setup tasks")
}
ts_file = iutil.getSysroot()+"/anaconda-yum.yumtx"
with _yum_lock:
# Save the transaction, this will be loaded and executed by the new
# process.
self._yum.save_ts(ts_file)
# Try and clean up yum before the fork
self.release()
self.deleteYumTS()
self._yum.close()
script_log = "/tmp/rpm-script.log"
release = self._getReleaseVersion(None)
args = ["--config", "/tmp/anaconda-yum.conf",
"--tsfile", ts_file,
"--rpmlog", script_log,
"--installroot", iutil.getSysroot(),
"--release", release,
"--arch", blivet.arch.getArch()]
for macro in self.rpmMacros:
args.extend(["--macro", macro[0], macro[1]])
log.info("Running anaconda-yum to install packages")
# Watch output for progress, debug and error information
install_errors = []
try:
for line in execReadlines("/usr/libexec/anaconda/anaconda-yum", args):
if line.startswith("PROGRESS_"):
key, text = line.split(":", 1)
msg = progress_map[key] + text
progressQ.send_message(msg)
log.debug(msg)
elif line.startswith("DEBUG:"):
log.debug(line[6:])
elif line.startswith("INFO:"):
log.info(line[5:])
elif line.startswith("WARN:"):
log.warn(line[5:])
elif line.startswith("ERROR:"):
log.error(line[6:])
install_errors.append(line[6:])
else:
log.debug(line)
except IOError as e:
log.error("Error running anaconda-yum: %s", e)
exn = PayloadInstallError(str(e))
if errorHandler.cb(exn) == ERROR_RAISE:
progressQ.send_quit(1)
ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
finally:
# log the contents of the scriptlet logfile if any
if os.path.exists(script_log):
log.info("==== start rpm scriptlet logs ====")
with open(script_log) as f:
for l in f:
log.info(l)
log.info("==== end rpm scriptlet logs ====")
os.unlink(script_log)
# Cleanup temporary yum.cache on disk
if os.path.isdir(iutil.getSysroot()+"/var/tmp/yum.cache"):
shutil.rmtree(iutil.getSysroot()+"/var/tmp/yum.cache")
if install_errors:
exn = PayloadInstallError("\n".join(install_errors))
if errorHandler.cb(exn) == ERROR_RAISE:
progressQ.send_quit(1)
ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
def writeMultiLibConfig(self):
if not self.data.packages.multiLib:
return
# write out the yum config with the new multilib_policy value
# FIXME: switch to using yum-config-manager once it stops expanding
# all yumvars and writing out the expanded pairs to the conf
yb = yum.YumBase()
yum_conf_path = "/etc/yum.conf"
# pylint: disable=bad-preconf-access
yb.preconf.fn = iutil.getSysroot() + yum_conf_path
yb.conf.multilib_policy = "all"
# this will appear in yum.conf, which is silly
yb.conf.config_file_path = yum_conf_path
# hack around yum having expanded $basearch in the cachedir value
cachedir = yb.conf.cachedir.replace("/%s/" % yb.arch.basearch,
"/$basearch/")
yb.conf.cachedir = cachedir
yum_conf = iutil.getSysroot() + yum_conf_path
if os.path.exists(yum_conf):
try:
os.rename(yum_conf, yum_conf + ".anacbak")
except OSError as e:
log.error("failed to back up yum.conf: %s", e)
try:
yb.conf.write(open(yum_conf, "w"))
except IOError as e:
log.error("failed to write out yum.conf: %s", e)
def postInstall(self):
"""Perform post-installation tasks."""
with _yum_lock:
# clean up repo tmpdirs
self._yum.cleanPackages()
self._yum.cleanHeaders()
# remove cache dirs of install-specific repos
for repo in self._yum.repos.listEnabled():
if repo.name == BASE_REPO_NAME or repo.id.startswith("anaconda-"):
if os.path.isdir(repo.cachedir):
shutil.rmtree(repo.cachedir)
self._removeTxSaveFile()
self.writeMultiLibConfig()
self._copyLangpacksConfigToTarget()
# Write selected kickstart repos to target system
for ks_repo in (ks for ks in (self.getAddOnRepo(r) for r in self.addOns) if ks.install):
if ks_repo.baseurl.startswith("nfs://"):
log.info("Skip writing nfs repo %s to target system.", ks_repo.name)
continue
try:
repo = self.getRepo(ks_repo.name)
if not repo:
continue
except RepoError:
continue
repo_path = iutil.getSysroot() + YUM_REPOS_DIR + "%s.repo" % repo.id
try:
log.info("Writing %s.repo to target system.", repo.id)
self._writeYumRepo(repo, repo_path)
except PayloadSetupError as e:
log.error(e)
super(YumPayload, self).postInstall()
# Make sure yum is really done and gone and lets go of the yum.log
self._yum.close()
del self._yum
class RepoMDMetaHash(object):
"""Class that holds hash of a repomd.xml file content from a repository.
This class is used to test availability of this repository by comparing hashes.
"""
def __init__(self, payload, repo):
self._repoId = repo.id
self._ssl_options = SSLOptions.createFromYumRepo(repo)
self._method = payload.data.method
self._urls = repo.urls
self._repomd_hash = ""
@property
def repoMDHash(self):
"""Return SHA256 hash of the repomd.xml file stored."""
return self._repomd_hash
@property
def id(self):
"""Name of the repository."""
return self._repoId
def storeRepoMDHash(self):
"""Download and store hash of the repomd.xml file content."""
repomd = self._downloadRepoMD(self._method)
self._repomd_hash = self._calculateHash(repomd)
def verifyRepoMD(self):
"""Download and compare with stored repomd.xml file."""
if not self._repomd_hash:
return False
new_repomd = self._downloadRepoMD(self._method)
new_repomd_hash = self._calculateHash(new_repomd)
return new_repomd_hash == self._repomd_hash
def _calculateHash(self, data):
m = hashlib.sha256()
m.update(data)
return m.digest()
def _downloadRepoMD(self, method):
ugopts = self._ssl_options.getUrlGrabberSslOpts()
proxies = {}
repomd = ""
if hasattr(method, "proxy") and method.proxy:
proxy_url = method.proxy
try:
proxy = ProxyString(proxy_url)
proxies = {"http": proxy.url,
"https": proxy.url}
except ProxyStringError as e:
log.info("Failed to parse proxy for test if repo available %s: %s",
proxy_url, e)
ug = URLGrabber()
# Test all urls for this repo. If any of these is working it is enough.
for url in self._urls:
try:
log.debug("Downloading repomd.xml file from %s (proxy: %s)", url, proxies)
repomd = ug.urlread("%s/repodata/repomd.xml" % url,
limit=50000, copy_local=True,
timeout=10, proxies=proxies, **ugopts)
break
except URLGrabError as e:
log.debug("Can't download new repomd.xml from %s. Error: %s", url, e)
return repomd