Add the PATCH method for the monitoring API

[pti/o2.git] / o2ims / service / command / purge_alarm_handler.py

diff --git a/o2ims/service/command/purge_alarm_handler.py b/o2ims/service/command/purge_alarm_handler.py
new file mode 100644 (file)
index 0000000..390cfe2
--- /dev/null
+++ b/o2ims/service/command/purge_alarm_handler.py
@@ -0,0 +1,51 @@
+# Copyright (C) 2024 Wind River Systems, 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.
+
+import json
+
+from o2common.service.unit_of_work import AbstractUnitOfWork
+from o2common.adapter.notifications import AbstractNotifications
+
+from o2ims.adapter.clients.fault_client import StxEventClient
+from o2ims.domain import commands, alarm_obj
+
+from o2common.helper import o2logging
+logger = o2logging.get_logger(__name__)
+
+
+def purge_alarm_event(
+    cmd: commands.PubAlarm2SMO,
+    uow: AbstractUnitOfWork,
+    notifications: AbstractNotifications,
+):
+    logger.debug('In purge_alarm_event')
+    fault_client = StxEventClient(uow)
+    data = cmd.data
+    with uow:
+        alarm_event_record = uow.alarm_event_records.get(data.id)
+        alarm_id = json.loads(alarm_event_record.extensions).get('alarm_id')
+
+        events = fault_client.suppression_list(alarm_id)
+        for event_id in events:
+            event = fault_client.suppress(event_id.id)
+            alarm_event_record.hash = event.hash
+            alarm_event_record.extensions = json.dumps(event.filtered)
+            alarm_event_record.alarmChangedTime = event.updatetime.\
+                strftime("%Y-%m-%dT%H:%M:%S")
+            alarm_event_record.perceivedSeverity = \
+                alarm_obj.PerceivedSeverityEnum.CLEARED
+
+            uow.alarm_event_records.update(alarm_event_record)
+            break
+        uow.commit()