Added LICENSE file to root folder
[osm/MON.git] / policy_module / osm_policy_module / common / mon_client.py
index 19b440e..d1336db 100644 (file)
@@ -1,3 +1,26 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Whitestack, LLC
+# *************************************************************
+
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Whitestack, LLC
+
+# 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: bdiaz@whitestack.com or glavado@whitestack.com
+##
 import json
 import logging
 import random
@@ -17,43 +40,48 @@ class MonClient:
                                            cfg.get('policy_module', 'kafka_server_port'))
         self.producer = KafkaProducer(bootstrap_servers=self.kafka_server,
                                       key_serializer=str.encode,
-                                      value_serializer=lambda v: json.dumps(v).encode('utf-8'))
+                                      value_serializer=str.encode)
 
-    def create_alarm(self, metric_name, resource_uuid, vim_uuid, threshold, statistic, operation):
+    def create_alarm(self, metric_name: str, ns_id: str, vdu_name: str, vnf_member_index: str, threshold: int,
+                     statistic: str, operation: str):
         cor_id = random.randint(1, 1000000)
-        msg = self._create_alarm_payload(cor_id, metric_name, resource_uuid, vim_uuid, threshold, statistic, operation)
-        self.producer.send(topic='alarm_request', key='create_alarm_request', value=msg)
-        self.producer.flush()
-        consumer = KafkaConsumer(bootstrap_servers=self.kafka_server, consumer_timeout_ms=10000)
+        msg = self._create_alarm_payload(cor_id, metric_name, ns_id, vdu_name, vnf_member_index, threshold, statistic,
+                                         operation)
+        log.info("Sending create_alarm_request %s", msg)
+        future = self.producer.send(topic='alarm_request', key='create_alarm_request', value=json.dumps(msg))
+        future.get(timeout=60)
+        consumer = KafkaConsumer(bootstrap_servers=self.kafka_server,
+                                 key_deserializer=bytes.decode,
+                                 value_deserializer=bytes.decode,
+                                 consumer_timeout_ms=10000)
         consumer.subscribe(['alarm_response'])
-        alarm_uuid = None
         for message in consumer:
             if message.key == 'create_alarm_response':
-                content = json.load(message.value)
+                content = json.loads(message.value)
+                log.info("Received create_alarm_response %s", content)
                 if self._is_alarm_response_correlation_id_eq(cor_id, content):
                     alarm_uuid = content['alarm_create_response']['alarm_uuid']
                     # TODO Handle error response
-                    break
-        consumer.close()
-        if not alarm_uuid:
-            raise ValueError(
-                'Timeout: No alarm creation response from MON. Are it\'s IP and port correctly configured?')
-        return alarm_uuid
-
-    def _create_alarm_payload(self, cor_id, metric_name, resource_uuid, vim_uuid, threshold, statistic, operation):
-        create_alarm_request = {
+                    return alarm_uuid
+
+        raise ValueError('Timeout: No alarm creation response from MON. Is MON up?')
+
+    def _create_alarm_payload(self, cor_id: int, metric_name: str, ns_id: str, vdu_name: str, vnf_member_index: str,
+                              threshold: int, statistic: str, operation: str):
+        alarm_create_request = {
             'correlation_id': cor_id,
             'alarm_name': str(uuid.uuid4()),
             'metric_name': metric_name,
-            'resource_uuid': resource_uuid,
+            'ns_id': ns_id,
+            'vdu_name': vdu_name,
+            'vnf_member_index': vnf_member_index,
             'operation': operation,
             'severity': 'critical',
             'threshold_value': threshold,
             'statistic': statistic
         }
         msg = {
-            'create_alarm_request': create_alarm_request,
-            'vim_uuid': vim_uuid
+            'alarm_create_request': alarm_create_request,
         }
         return msg