kiwi-el8/kiwi/package_manager/apt.py
Marcus Schäfer 319fb9e6e4
Adapt to common python style
Private methods should start with _f() not __f()
2016-06-15 16:27:45 +02:00

258 lines
8.2 KiB
Python

# Copyright (c) 2015 SUSE Linux GmbH. All rights reserved.
#
# This file is part of kiwi.
#
# kiwi 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.
#
# kiwi 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 kiwi. If not, see <http://www.gnu.org/licenses/>
#
import re
import os
# project
from ..command import Command
from ..mount_manager import MountManager
from ..logger import log
from ..utils.sync import DataSync
from ..path import Path
from .base import PackageManagerBase
from ..exceptions import (
KiwiDebootstrapError
)
class PackageManagerApt(PackageManagerBase):
"""
Implements base class for installation/deletion of
packages and collections using apt-get
"""
def post_init(self, custom_args=None):
"""
Post initialization method
Store custom apt-get arguments
Attributes
* :attr:`apt_get_args`
apt-get arguments from repository runtime configuration
* :attr:`command_env`
apt-get command environment from repository runtime configuration
:param list custom_args: custom apt-get arguments
"""
self.custom_args = custom_args
if not custom_args:
self.custom_args = []
runtime_config = self.repository.runtime_config()
self.apt_get_args = runtime_config['apt_get_args']
self.command_env = runtime_config['command_env']
self.distribution = runtime_config['distribution']
self.distribution_path = runtime_config['distribution_path']
def request_package(self, name):
"""
Queue a package request
:param string name: package name
"""
self.package_requests.append(name)
def request_collection(self, name):
"""
Queue a collection request
There is no collection definition in the deb repo data
:param string name: unused
"""
log.warning(
'Collection(%s) handling not supported for apt-get', name
)
def request_product(self, name):
"""
Queue a product request
There is no product definition in the deb repo data
:param string name: unused
"""
log.warning(
'Product(%s) handling not supported for apt-get', name
)
def process_install_requests_bootstrap(self):
"""
Process package install requests for bootstrap phase (no chroot)
The debootstrap program is used to bootstrap a new system with
a collection of predefined packages. The kiwi bootstrap section
information is not used in this case
"""
if not self.distribution:
raise KiwiDebootstrapError(
'No main distribution repository is configured'
)
bootstrap_script = '/usr/share/debootstrap/scripts/' + \
self.distribution
if not os.path.exists(bootstrap_script):
raise KiwiDebootstrapError(
'debootstrap script for %s distribution not found' %
self.distribution
)
bootstrap_dir = self.root_dir + '.debootstrap'
if 'apt-get' in self.package_requests:
# debootstrap takes care to install apt-get
self.package_requests.remove('apt-get')
try:
dev_mount = MountManager(
device='/dev', mountpoint=self.root_dir + '/dev'
)
dev_mount.umount()
Command.run(
[
'debootstrap', '--no-check-gpg', self.distribution,
bootstrap_dir, self.distribution_path
], self.command_env
)
data = DataSync(
bootstrap_dir + '/', self.root_dir
)
data.sync_data(
options=['-a', '-H', '-X', '-A']
)
except Exception as e:
Path.wipe(bootstrap_dir)
raise KiwiDebootstrapError(
'%s: %s' % (type(e).__name__, format(e))
)
chroot_apt_get_args = self.root_bind.move_to_root(
self.apt_get_args
)
bash_command = [
'rm', '-r', '-f', bootstrap_dir, '&&',
'chroot', self.root_dir, 'apt-get'
] + chroot_apt_get_args + self.custom_args + [
'update'
]
Command.run(
['bash', '-c', ' '.join(bash_command)], self.command_env
)
return self.process_install_requests()
def process_install_requests(self):
"""
Process package install requests for image phase (chroot)
"""
apt_get_command = ['chroot', self.root_dir, 'apt-get']
apt_get_command.extend(self.root_bind.move_to_root(self.apt_get_args))
apt_get_command.extend(self.custom_args)
apt_get_command.append('install')
apt_get_command.extend(self._package_requests())
return Command.call(
apt_get_command, self.command_env
)
def process_delete_requests(self, force=False):
"""
Process package delete requests (chroot)
Note: force deletion of packages is not required for apt-get
because the apt-get configuration template already enforces
to process the request as we want it
:param bool force: unused
"""
apt_get_command = ['chroot', self.root_dir, 'apt-get']
apt_get_command.extend(self.root_bind.move_to_root(self.apt_get_args))
apt_get_command.extend(self.custom_args)
apt_get_command.append('remove')
apt_get_command.extend(self._package_requests())
return Command.call(
apt_get_command, self.command_env
)
def update(self):
"""
Process package update requests (chroot)
"""
apt_get_command = ['chroot', self.root_dir, 'apt-get']
apt_get_command.extend(self.root_bind.move_to_root(self.apt_get_args))
apt_get_command.extend(self.custom_args)
apt_get_command.append('upgrade')
return Command.call(
apt_get_command, self.command_env
)
def process_only_required(self):
"""
Setup package processing only for required packages
There is no required/recommends information in the rhel repo data
"""
pass
def match_package_installed(self, package_name, apt_get_output):
"""
Match expression to indicate a package has been installed
This match for the package to be installed in the output
of the apt-get command is not 100% accurate. There might
be false positives due to sub package names starting with
the same base package name
:param list package_list: list of all packages
:param string log_line: apt-get status line
"""
return re.match(
'.*Unpacking ' + re.escape(package_name) + '.*', apt_get_output
)
def match_package_deleted(self, package_name, apt_get_output):
"""
Match expression to indicate a package has been deleted
:param list package_list: list of all packages
:param string log_line: apt-get status line
"""
return re.match(
'.*Removing ' + re.escape(package_name) + '.*', apt_get_output
)
def database_consistent(self):
"""
Check if package database is consistent
There is no database consistency/rebuild for apt-get
"""
pass
def dump_reload_package_database(self, version=45):
"""
Dump and reload the package database to match the desired db version
There is no such reload cycle for apt-get
:param string version: unused
"""
pass
def _package_requests(self):
items = self.package_requests[:]
self.cleanup_requests()
return items