#!/usr/bin/python -tt
#
# Copyright (c) 2007 Red Hat Inc.
# Copyright (c) 2010, 2011 Intel, 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; version 2 of the License
#
# 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., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os, sys
import re
import tempfile
import glob
from string import Template
import rpmUtils
import yum
from mic import msger
from mic.kickstart import ksparser
from mic.utils import misc, rpmmisc
from mic.utils.grabber import TextProgress
from mic.utils.proxy import get_proxy_for
from mic.utils.errors import CreatorError
from mic.imager.baseimager import BaseImageCreator
YUMCONF_TEMP = """[main]
installroot=$installroot
cachedir=/var/cache/yum
persistdir=/var/lib/yum
plugins=0
reposdir=
failovermethod=priority
http_caching=packages
sslverify=1
"""
class MyYumRepository(yum.yumRepo.YumRepository):
def __del__(self):
pass
def dirSetup(self):
super(MyYumRepository, self).dirSetup()
# relocate package dir
pkgdir = os.path.join(self.basecachedir, 'packages', self.id)
self.setAttribute('_dir_setup_pkgdir', pkgdir)
self._dirSetupMkdir_p(self.pkgdir)
def _getFile(self, url=None,
relative=None,
local=None,
start=None,
end=None,
copy_local=None,
checkfunc=None,
text=None,
reget='simple',
cache=True,
size=None):
m2c_connection = None
if not self.sslverify:
try:
import M2Crypto
m2c_connection = M2Crypto.SSL.Connection.clientPostConnectionCheck
M2Crypto.SSL.Connection.clientPostConnectionCheck = None
except ImportError, err:
raise CreatorError("%s, please try to install python-m2crypto" % str(err))
proxy = None
if url:
proxy = get_proxy_for(url)
else:
proxy = get_proxy_for(self.urls[0])
if proxy:
self.proxy = str(proxy)
size = int(size) if size else None
rvalue = super(MyYumRepository, self)._getFile(url,
relative,
local,
start,
end,
copy_local,
checkfunc,
text,
reget,
cache,
size)
if m2c_connection and \
not M2Crypto.SSL.Connection.clientPostConnectionCheck:
M2Crypto.SSL.Connection.clientPostConnectionCheck = m2c_connection
return rvalue
from mic.pluginbase import BackendPlugin
class Yum(BackendPlugin, yum.YumBase):
name = 'yum'
def __init__(self, target_arch, instroot, cachedir):
yum.YumBase.__init__(self)
self.cachedir = cachedir
self.instroot = instroot
self.target_arch = target_arch
if self.target_arch:
if not rpmUtils.arch.arches.has_key(self.target_arch):
rpmUtils.arch.arches["armv7hl"] = "noarch"
rpmUtils.arch.arches["armv7tnhl"] = "armv7nhl"
rpmUtils.arch.arches["armv7tnhl"] = "armv7thl"
rpmUtils.arch.arches["armv7thl"] = "armv7hl"
rpmUtils.arch.arches["armv7nhl"] = "armv7hl"
self.arch.setup_arch(self.target_arch)
self.__pkgs_license = {}
self.__pkgs_content = {}
self.__pkgs_vcsinfo = {}
self.install_debuginfo = False
def doFileLogSetup(self, uid, logfile):
# don't do the file log for the livecd as it can lead to open fds
# being left and an inability to clean up after ourself
pass
def close(self):
try:
os.unlink(self.confpath)
os.unlink(self.conf.installroot + "/yum.conf")
except:
pass
if self.ts:
self.ts.close()
self._delRepos()
self._delSacks()
yum.YumBase.close(self)
self.closeRpmDB()
if not os.path.exists("/etc/fedora-release") and \
not os.path.exists("/etc/meego-release"):
for i in range(3, os.sysconf("SC_OPEN_MAX")):
try:
os.close(i)
except:
pass
def __del__(self):
pass
def _writeConf(self, confpath, installroot):
conf = Template(YUMCONF_TEMP).safe_substitute(installroot=installroot)
f = file(confpath, "w+")
f.write(conf)
f.close()
os.chmod(confpath, 0644)
def _cleanupRpmdbLocks(self, installroot):
# cleans up temporary files left by bdb so that differing
# versions of rpm don't cause problems
for f in glob.glob(installroot + "/var/lib/rpm/__db*"):
os.unlink(f)
def setup(self):
# create yum.conf
(fn, self.confpath) = tempfile.mkstemp(dir=self.cachedir,
prefix='yum.conf-')
os.close(fn)
self._writeConf(self.confpath, self.instroot)
self._cleanupRpmdbLocks(self.instroot)
# do setup
self.doConfigSetup(fn = self.confpath, root = self.instroot)
self.conf.cache = 0
self.doTsSetup()
self.doRpmDBSetup()
self.doRepoSetup()
self.doSackSetup()
def preInstall(self, pkg):
# FIXME: handle pre-install package
return None
def selectPackage(self, pkg):
"""Select a given package.
Can be specified with name.arch or name*
"""
try:
self.install(pattern = pkg)
return None
except yum.Errors.InstallError:
return "No package(s) available to install"
except yum.Errors.RepoError, e:
raise CreatorError("Unable to download from repo : %s" % (e,))
except yum.Errors.YumBaseError, e:
raise CreatorError("Unable to install: %s" % (e,))
def deselectPackage(self, pkg):
"""Deselect package. Can be specified as name.arch or name*
"""
sp = pkg.rsplit(".", 2)
txmbrs = []
if len(sp) == 2:
txmbrs = self.tsInfo.matchNaevr(name=sp[0], arch=sp[1])
if len(txmbrs) == 0:
exact, match, unmatch = yum.packages.parsePackages(
self.pkgSack.returnPackages(),
[pkg],
casematch=1)
for p in exact + match:
txmbrs.append(p)
if len(txmbrs) > 0:
for x in txmbrs:
self.tsInfo.remove(x.pkgtup)
# we also need to remove from the conditionals
# dict so that things don't get pulled back in as a result
# of them. yes, this is ugly. conditionals should die.
for req, pkgs in self.tsInfo.conditionals.iteritems():
if x in pkgs:
pkgs.remove(x)
self.tsInfo.conditionals[req] = pkgs
else:
msger.warning("No such package %s to remove" %(pkg,))
def selectGroup(self, grp, include = ksparser.GROUP_DEFAULT):
try:
yum.YumBase.selectGroup(self, grp)
if include == ksparser.GROUP_REQUIRED:
for p in grp.default_packages.keys():
self.deselectPackage(p)
elif include == ksparser.GROUP_ALL:
for p in grp.optional_packages.keys():
self.selectPackage(p)
return None
except (yum.Errors.InstallError, yum.Errors.GroupsError), e:
return e
except yum.Errors.RepoError, e:
raise CreatorError("Unable to download from repo : %s" % (e,))
except yum.Errors.YumBaseError, e:
raise CreatorError("Unable to install: %s" % (e,))
def addRepository(self, name, url = None, mirrorlist = None, proxy = None,
proxy_username = None, proxy_password = None,
inc = None, exc = None, ssl_verify=True, nocache=False,
cost = None, priority=None):
# TODO: Handle priority attribute for repos
def _varSubstitute(option):
# takes a variable and substitutes like yum configs do
option = option.replace("$basearch", rpmUtils.arch.getBaseArch())
option = option.replace("$arch", rpmUtils.arch.getCanonArch())
return option
repo = MyYumRepository(name)
# Set proxy
repo.proxy = proxy
repo.proxy_username = proxy_username
repo.proxy_password = proxy_password
if url:
repo.baseurl.append(_varSubstitute(url))
# check LICENSE files
if not rpmmisc.checkRepositoryEULA(name, repo):
msger.warning('skip repo:%s for failed EULA confirmation' % name)
return None
if mirrorlist:
repo.mirrorlist = _varSubstitute(mirrorlist)
conf = yum.config.RepoConf()
for k, v in conf.iteritems():
if v or not hasattr(repo, k):
repo.setAttribute(k, v)
repo.sslverify = ssl_verify
repo.cache = not nocache
repo.basecachedir = self.cachedir
repo.base_persistdir = self.conf.persistdir
repo.failovermethod = "priority"
repo.metadata_expire = 0
# Enable gpg check for verifying corrupt packages
repo.gpgcheck = 1
repo.enable()
repo.setup(0)
self.repos.add(repo)
if cost:
repo.cost = cost
msger.verbose('repo: %s was added' % name)
return repo
def installLocal(self, pkg, po=None, updateonly=False):
ts = rpmUtils.transaction.initReadOnlyTransaction()
try:
hdr = rpmUtils.miscutils.hdrFromPackage(ts, pkg)
except rpmUtils.RpmUtilsError, e:
raise yum.Errors.MiscError, \
'Could not open local rpm file: %s: %s' % (pkg, e)
self.deselectPackage(hdr['name'])
yum.YumBase.installLocal(self, pkg, po, updateonly)
def installHasFile(self, file):
provides_pkg = self.whatProvides(file, None, None)
dlpkgs = map(
lambda x: x.po,
filter(
lambda txmbr: txmbr.ts_state in ("i", "u"),
self.tsInfo.getMembers()))
for p in dlpkgs:
for q in provides_pkg:
if (p == q):
return True
return False
def runInstall(self, checksize = 0):
os.environ["HOME"] = "/"
os.environ["LD_PRELOAD"] = ""
try:
(res, resmsg) = self.buildTransaction()
except yum.Errors.RepoError, e:
raise CreatorError("Unable to download from repo : %s" %(e,))
if res != 2:
raise CreatorError("Failed to build transaction : %s" \
% str.join("\n", resmsg))
dlpkgs = map(
lambda x: x.po,
filter(
lambda txmbr: txmbr.ts_state in ("i", "u"),
self.tsInfo.getMembers()))
# record all pkg and the content
for pkg in dlpkgs:
pkg_long_name = misc.RPM_FMT % {
'name': pkg.name,
'arch': pkg.arch,
'version': pkg.version,
'release': pkg.release
}
self.__pkgs_content[pkg_long_name] = pkg.files
license = pkg.license
if license in self.__pkgs_license.keys():
self.__pkgs_license[license].append(pkg_long_name)
else:
self.__pkgs_license[license] = [pkg_long_name]
total_count = len(dlpkgs)
cached_count = 0
download_total_size = sum(map(lambda x: int(x.packagesize), dlpkgs))
msger.info("\nChecking packages cached ...")
for po in dlpkgs:
local = po.localPkg()
repo = filter(lambda r: r.id == po.repoid, self.repos.listEnabled())[0]
if not repo.cache and os.path.exists(local):
os.unlink(local)
if not os.path.exists(local):
continue
if not self.verifyPkg(local, po, False):
msger.warning("Package %s is damaged: %s" \
% (os.path.basename(local), local))
else:
download_total_size -= int(po.packagesize)
cached_count +=1
cache_avail_size = misc.get_filesystem_avail(self.cachedir)
if cache_avail_size < download_total_size:
raise CreatorError("No enough space used for downloading.")
# record the total size of installed pkgs
pkgs_total_size = 0L
for x in dlpkgs:
if hasattr(x, 'installedsize'):
pkgs_total_size += int(x.installedsize)
else:
pkgs_total_size += int(x.size)
# check needed size before actually download and install
if checksize and pkgs_total_size > checksize:
raise CreatorError("No enough space used for installing, "
"please resize partition size in ks file")
msger.info("Packages: %d Total, %d Cached, %d Missed" \
% (total_count, cached_count, total_count - cached_count))
try:
repos = self.repos.listEnabled()
for repo in repos:
repo.setCallback(TextProgress(total_count - cached_count))
self.downloadPkgs(dlpkgs)
# FIXME: sigcheck?
self.initActionTs()
self.populateTs(keepold=0)
deps = self.ts.check()
if len(deps) != 0:
# This isn't fatal, Ubuntu has this issue but it is ok.
msger.debug(deps)
msger.warning("Dependency check failed!")
rc = self.ts.order()
if rc != 0:
raise CreatorError("ordering packages for installation failed")
# FIXME: callback should be refactored a little in yum
cb = rpmmisc.RPMInstallCallback(self.ts)
cb.tsInfo = self.tsInfo
cb.filelog = False
msger.warning('\nCaution, do NOT interrupt the installation, '
'else mic cannot finish the cleanup.')
installlogfile = "%s/__catched_stderr.buf" % (self.instroot)
msger.enable_logstderr(installlogfile)
self.runTransaction(cb)
self._cleanupRpmdbLocks(self.conf.installroot)
except rpmUtils.RpmUtilsError, e:
raise CreatorError("mic does NOT support delta rpm: %s" % e)
except yum.Errors.RepoError, e:
raise CreatorError("Unable to download from repo : %s" % e)
except yum.Errors.YumBaseError, e:
raise CreatorError("Unable to install: %s" % e)
finally:
msger.disable_logstderr()
def getVcsInfo(self):
return self.__pkgs_vcsinfo
def getAllContent(self):
return self.__pkgs_content
def getPkgsLicense(self):
return self.__pkgs_license
def getFilelist(self, pkgname):
if not pkgname:
return None
pkg = filter(lambda txmbr: txmbr.po.name == pkgname, self.tsInfo.getMembers())
if not pkg:
return None
return pkg[0].po.filelist
def package_url(self, pkgname):
pkgs = self.pkgSack.searchNevra(name=pkgname)
if pkgs:
proxy = None
proxies = None
url = pkgs[0].remote_url
repoid = pkgs[0].repoid
repos = filter(lambda r: r.id == repoid, self.repos.listEnabled())
if repos:
proxy = repos[0].proxy
if not proxy:
proxy = get_proxy_for(url)
if proxy:
proxies = {str(url.split(':')[0]): str(proxy)}
return (url, proxies)
return (None, None)