1 files changed, 46 insertions, 0 deletions
diff --git a/networking-odl/networking_odl/journal/cleanup.py b/networking-odl/networking_odl/journal/cleanup.py
new file mode 100644
index 0000000..994fb82
--- /dev/null
+++ b/networking-odl/networking_odl/journal/cleanup.py
@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2016 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License"); you may
+#  not use this file except in compliance with the License. You may obtain
+#  a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#  License for the specific language governing permissions and limitations
+#  under the License.
+#
+
+from datetime import timedelta
+
+from oslo_config import cfg
+from oslo_log import log as logging
+
+from networking_odl._i18n import _LI
+from networking_odl.common import constants as odl_const
+from networking_odl.db import db
+
+LOG = logging.getLogger(__name__)
+
+
+class JournalCleanup(object):
+    """Journal maintenance operation for deleting completed rows."""
+    def __init__(self):
+        self._rows_retention = cfg.CONF.ml2_odl.completed_rows_retention
+        self._processing_timeout = cfg.CONF.ml2_odl.processing_timeout
+
+    def delete_completed_rows(self, session):
+        if self._rows_retention is not -1:
+            LOG.debug("Deleting completed rows")
+            db.delete_rows_by_state_and_time(
+                session, odl_const.COMPLETED,
+                timedelta(seconds=self._rows_retention))
+
+    def cleanup_processing_rows(self, session):
+        row_count = db.reset_processing_rows(session, self._processing_timeout)
+        if row_count:
+            LOG.info(_LI("Reset %(num)s orphaned rows back to pending"),
+                     {"num": row_count})