freeipa/ipaserver/install/sysupgrade.py

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# Authors: Martin Kosek <mkosek@redhat.com>
#
# Copyright (C) 2012 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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 License 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/>.
#
import logging
import os
import os.path
from ipalib.install import sysrestore
from ipaplatform.paths import paths
logger = logging.getLogger(__name__)
STATEFILE_FILE = 'sysupgrade.state'
_sstore = None
def _load_sstore():
global _sstore
if _sstore is None:
_sstore = sysrestore.StateFile(paths.STATEFILE_DIR, STATEFILE_FILE)
def get_upgrade_state(module, state):
_load_sstore()
return _sstore.get_state(module, state)
def set_upgrade_state(module, state, value):
_load_sstore()
_sstore.backup_state(module, state, value)
def remove_upgrade_state(module, state):
_load_sstore()
_sstore.delete_state(module, state)
def remove_upgrade_file():
try:
os.remove(os.path.join(paths.STATEFILE_DIR, STATEFILE_FILE))
except Exception as e:
logger.debug('Cannot remove sysupgrade state file: %s', e)