Imported Upstream version 4.6.2

ipaserver/install/sysupgrade.py

@@ -0,0 +1,54 @@
+# 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)