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# Copyright (c) 2019 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 os
import re
# project
from kiwi.command import Command
from kiwi.path import Path
from kiwi.utils.rpm import Rpm
class RpmDataBase:
"""
**Setup RPM database configuration**
"""
def __init__(self, root_dir, macro_file=None):
self.rpmdb_host = Rpm()
self.rpmdb_image = Rpm(root_dir, macro_file)
self.root_dir = root_dir
def has_rpm(self):
"""
Check if rpmdb binary was found in root_dir to indicate
that the rpm system is present.
"""
rpm_bin = Path.which(
'rpmdb', root_dir=self.root_dir, access_mode=os.X_OK
)
if not rpm_bin:
return False
return True
def rebuild_database(self):
"""
Rebuild image rpm database taking current macro setup into account
"""
Command.run(
['chroot', self.root_dir, 'rpmdb', '--rebuilddb']
)
def init_database(self):
Command.run(
['rpm', '--root', self.root_dir, '--initdb']
)
def set_macro_from_string(self, setting):
"""
Setup given macro setting in image rpm configuration.
The following format for the setting is expected:
macro_base_key_name%macro_value.
If this expression is not matched the macro setup will be
skipped. Please note the macro_base_key_name includes
the name of the macro as rpm expects it exlcuding the
leading '%' character.
Also note macro defintions must happen before calling
set_database_* methods in order to become effective
:param string setting: macro key and value as one string
"""
match = re.match('(.*)%(.*)', setting)
if match:
self.rpmdb_image.set_config_value(
match.group(1), match.group(2)
)
def write_config(self):
self.rpmdb_image.write_config()
def import_signing_key_to_image(self, key):
"""
Import the given signing key to the image rpm database
"""
Command.run(
[
'rpm', '--root', self.root_dir, '--import', key,
'--dbpath', self.rpmdb_host.expand_query('%_dbpath')
]
)
def set_database_to_host_path(self):
"""
Setup dbpath to point to the host rpm dbpath configuration
and write the configuration file
"""
self.rpmdb_image.set_config_value(
'_dbpath', self.rpmdb_host.get_query('_dbpath')
)
self.rpmdb_image.write_config()
def link_database_to_host_path(self):
"""
Create a link from host database location to image database
location. The link is only created if both locations differ
and if the host database location does not exist.
"""
rpm_host_dbpath = self.rpmdb_host.expand_query('%_dbpath')
rpm_image_dbpath = self.rpmdb_image.expand_query('%_dbpath')
if rpm_host_dbpath != rpm_image_dbpath:
root_rpm_host_dbpath = os.path.normpath(
os.sep.join([self.root_dir, rpm_host_dbpath])
)
if not os.path.exists(root_rpm_host_dbpath):
Path.create(os.path.dirname(root_rpm_host_dbpath))
host_to_root = ''.join(
'../' for i in os.path.dirname(
rpm_host_dbpath
).lstrip(os.sep).split(os.sep)
)
Command.run(
[
'ln', '-s', os.path.normpath(
os.sep.join([host_to_root, rpm_image_dbpath])
), root_rpm_host_dbpath
]
)
def set_database_to_image_path(self):
"""
Setup dbpath to point to the image rpm dbpath configuration
Rebuild the database such that it gets moved to the standard
path and delete KIWI's custom macro setup
"""
self.rpmdb_image.wipe_config()
rpm_image_dbpath = self.rpmdb_image.expand_query('%_dbpath')
rpm_host_dbpath = self.rpmdb_host.expand_query('%_dbpath')
if rpm_image_dbpath != rpm_host_dbpath:
root_rpm_image_dbpath = os.path.normpath(
os.sep.join([self.root_dir, rpm_image_dbpath])
)
root_rpm_host_dbpath = os.path.normpath(
os.sep.join([self.root_dir, rpm_host_dbpath])
)
if os.path.islink(root_rpm_host_dbpath):
self.rebuild_database()
return
if os.path.islink(root_rpm_image_dbpath):
os.unlink(root_rpm_image_dbpath)
else:
Path.wipe(root_rpm_image_dbpath)
self.rpmdb_image.set_config_value(
'_dbpath', rpm_host_dbpath
)
self.rpmdb_image.set_config_value(
'_dbpath_rebuild', self.rpmdb_image.get_query('_dbpath')
)
self.rpmdb_image.write_config()
self.rebuild_database()
self.rpmdb_image.wipe_config()
root_rpm_alternatives = os.sep.join(
[root_rpm_host_dbpath, 'alternatives']
)
if os.path.exists(root_rpm_alternatives):
Command.run(
['mv', root_rpm_alternatives, root_rpm_image_dbpath]
)
Path.wipe(root_rpm_host_dbpath)
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