--- /dev/null
+# Copyright 2017 Intel Research and Development Ireland Limited
+# *************************************************************
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Intel Corporation
+#
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: helena.mcgough@intel.com or adrian.hoban@intel.com
+"""A common KafkaConsumer for all MON plugins."""
+
+import json
+import logging
+from json import JSONDecodeError
+
+import yaml
+
+from osm_mon.core.auth import AuthManager
+from osm_mon.core.common_db import CommonDbClient
+from osm_mon.core.database import DatabaseManager
+from osm_mon.core.message_bus.consumer import Consumer
+from osm_mon.core.message_bus.producer import Producer
+from osm_mon.core.response import ResponseBuilder
+
+log = logging.getLogger(__name__)
+
+
+class Server:
+
+ def __init__(self):
+ self.auth_manager = AuthManager()
+ self.database_manager = DatabaseManager()
+ self.database_manager.create_tables()
+ self.common_db = CommonDbClient()
+
+ def run(self):
+ common_consumer = Consumer("mon-server")
+
+ topics = ['alarm_request', 'vim_account']
+ common_consumer.subscribe(topics)
+
+ log.info("Listening for messages...")
+ for message in common_consumer:
+ self.consume_message(message)
+
+ def consume_message(self, message):
+ log.info("Message arrived: %s", message)
+ try:
+ try:
+ values = json.loads(message.value)
+ except JSONDecodeError:
+ values = yaml.safe_load(message.value)
+
+ response = None
+
+ if message.topic == "vim_account":
+ if message.key == "create" or message.key == "edit":
+ values['vim_password'] = self.common_db.decrypt_vim_password(values['vim_password'],
+ values['schema_version'],
+ values['_id'])
+ self.auth_manager.store_auth_credentials(values)
+ if message.key == "delete":
+ self.auth_manager.delete_auth_credentials(values)
+
+ elif message.topic == "alarm_request":
+ if message.key == "create_alarm_request":
+ alarm_details = values['alarm_create_request']
+ response_builder = ResponseBuilder()
+ try:
+ alarm = self.database_manager.save_alarm(
+ alarm_details['alarm_name'],
+ alarm_details['threshold_value'],
+ alarm_details['operation'].lower(),
+ alarm_details['severity'].lower(),
+ alarm_details['statistic'].lower(),
+ alarm_details['metric_name'],
+ alarm_details['vdu_name'],
+ alarm_details['vnf_member_index'],
+ alarm_details['ns_id']
+ )
+ response = response_builder.generate_response('create_alarm_response',
+ cor_id=alarm_details['correlation_id'],
+ status=True,
+ alarm_id=alarm.id)
+ except Exception:
+ log.exception("Error creating alarm: ")
+ response = response_builder.generate_response('create_alarm_response',
+ cor_id=alarm_details['correlation_id'],
+ status=False,
+ alarm_id=None)
+ if message.key == "delete_alarm_request":
+ alarm_details = values['alarm_delete_request']
+ response_builder = ResponseBuilder()
+ alarm_uuid = alarm_details['alarm_uuid']
+ cor_id = alarm_details['correlation_id']
+ try:
+ self.database_manager.delete_alarm(alarm_uuid)
+ response = response_builder.generate_response('create_alarm_response',
+ cor_id=cor_id,
+ status=True,
+ alarm_id=alarm_uuid)
+ except Exception:
+ log.exception("Error creating alarm: ")
+ response = response_builder.generate_response('create_alarm_response',
+ cor_id=cor_id,
+ status=False,
+ alarm_id=alarm_uuid)
+ if response:
+ self._publish_response(message.topic, message.key, response)
+
+ except Exception:
+ log.exception("Exception processing message: ")
+
+ def _publish_response(self, topic: str, key: str, msg: dict):
+ topic = topic.replace('request', 'response')
+ key = key.replace('request', 'response')
+ producer = Producer()
+ producer.send(topic=topic, key=key, value=json.dumps(msg))
+ producer.flush(timeout=5)
+ producer.close()
+
+
+if __name__ == '__main__':
+ Server().run()
projects / osm / MON.git / blobdiff