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# vim: set fileencoding=utf-8 :
#
# (C) 2010,2014 Guido Günther <agx@sigxcpu.org>
# 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 3 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 Licnese for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
try:
import apt_pkg
except ImportError:
apt_pkg = None
try:
import lsb_release
except ImportError:
lsb_release = None
import logging
import os
import subprocess
import sys
import string
from . distro import Distro
from . debianpkg import DebianPkg
from . pkg import PkgError
from . systemd import Systemd
class DebianDistro(Distro):
"Debian (dpkg) based distribution"
id = 'Debian'
_pkg_services = { 'apache2-mpm-worker': [ 'apache2' ],
'apache2-mpm-prefork': [ 'apache2' ],
'apache2.2-bin': [ 'apache2' ],
'apache2-bin': [ 'apache2' ],
'dovecot-imapd': [ 'dovecot' ],
'dovecot-pop3d': [ 'dovecot' ],
'exim4-daemon-light': [ 'exim4' ],
'exim4-daemon-heavy': [ 'exim4' ],
'libvirt-daemon': [ 'libvirtd' ],
'openjdk-6-jre-headless': ['jenkins', 'tomcat7'],
'openjdk-7-jre-headless': ['jenkins', 'tomcat7'],
'qemu-system-x86_64': [ 'libvirt-guests' ],
}
# Per package blacklist
_pkg_service_blacklist = { 'libvirt-bin': [ 'libvirt-guests' ] }
# Per distro blacklist
service_blacklist = set(['kvm', 'qemu-kvm', 'qemu-system-x86'])
@classmethod
def pkg(klass, name):
return DebianPkg(name)
@classmethod
def pkg_by_file(klass, path):
find_file = subprocess.Popen(['dpkg-query', '-S', path],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
output = find_file.communicate()[0]
if find_file.returncode:
return None
pkg = output.split(':')[0]
return DebianPkg(pkg)
@classmethod
def restart_service_cmd(klass, service):
"""The command that should be used to start a service"""
if Systemd.is_running() and service.endswith('.service'):
name = service[:-len('.service')]
else:
name = service
return ['invoke-rc.d', name, 'restart']
@classmethod
def is_service_installed(klass, name):
"""Whether the system has this service"""
return os.path.exists('/etc/init.d/%s' % name)
@classmethod
def has_apt(klass):
return True
@staticmethod
def read_apt_pipeline():
whatmaps_enabled = False
version = sys.stdin.readline().rstrip()
if version != "VERSION 2":
err = "Wrong or missing VERSION from apt pipeline"
logging.error("%s\n"
"(is Dpkg::Tools::Options::/usr/bin/whatmaps::Version set to 2?)"
% err)
raise PkgError(err)
while 1:
aptconfig = sys.stdin.readline()
if not aptconfig or aptconfig == '\n':
break
if aptconfig.startswith('Whatmaps::Enable-Restart=') and \
aptconfig.strip().split('=', 1)[1].lower() in ["true", "1"]:
logging.debug("Service restarts enabled")
whatmaps_enabled = True
if not whatmaps_enabled:
return None
pkgs = {}
for line in sys.stdin.readlines():
if not line:
break
(pkgname, oldversion, compare, newversion, filename) = line.split()
if filename == '**CONFIGURE**':
if oldversion != '-': # Updates only
pkgs[pkgname] = DebianPkg(pkgname)
pkgs[pkgname].version = newversion
return pkgs
@classmethod
def _security_update_origins(klass):
"Determine security update origins from apt configuration"
if lsb_release is None:
raise PkgError("lsb_release not found, can't determine security updates")
codename = lsb_release.get_distro_information()['CODENAME']
def _subst(line):
mapping = {'distro_codename' : codename,
'distro_id' : klass.id, }
return string.Template(line).substitute(mapping)
origins = []
for s in apt_pkg.config.value_list('Whatmaps::Security-Update-Origins'):
(distro_id, distro_codename) = s.split()
origins.append((_subst(distro_id),
_subst(distro_codename)))
logging.debug("Security Update Origins: %s", origins)
return origins
@classmethod
def filter_security_updates(klass, pkgs):
"""Filter on security updates"""
if apt_pkg is None:
raise PkgError("apt_pkg not installed, can't determine security updates")
apt_pkg.init()
acquire = apt_pkg.Acquire()
cache = apt_pkg.Cache()
security_update_origins = klass._security_update_origins()
security_updates = {}
for pkg in list(pkgs.values()):
cache_pkg = cache[pkg.name]
for cache_version in cache_pkg.version_list:
if pkg.version == cache_version.ver_str:
for pfile, _ in cache_version.file_list:
for origin in security_update_origins:
if pfile.origin == origin[0] and \
pfile.archive == origin[1]:
security_updates[pkg] = pkg
break
return security_updates
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