Refactors codebase
[osm/MON.git] / osm_mon / core / message_bus / producer.py
old mode 100755 (executable)
new mode 100644 (file)
index f6feba1..573e332
@@ -1,8 +1,9 @@
-# Copyright 2017 Intel Research and Development Ireland Limited
+# Copyright 2018 Whitestack, LLC
 # *************************************************************
 
 # This file is part of OSM Monitoring module
-# All Rights Reserved to Intel Corporation
+# 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
 # under the License.
 
 # For those usages not covered by the Apache License, Version 2.0 please
-# contact: prithiv.mohan@intel.com or adrian.hoban@intel.com
+# contact: bdiaz@whitestack.com or glavado@whitestack.com
 ##
-"""This is a common kafka producer app.
-
-It interacts with the SO and the plugins of the datacenters: OpenStack, VMWare
-and AWS.
-"""
-
-import logging
-import os
-
-from kafka import KafkaProducer as kaf
-from kafka.errors import KafkaError
-
-__author__ = "Prithiv Mohan"
-__date__ = "06/Sep/2017"
-
-current_path = os.path.realpath(__file__)
-json_path = os.path.abspath(os.path.join(current_path, '..', '..', 'models'))
-
-# TODO(): validate all of the request and response messages against the
-# json_schemas
-
-
-class KafkaProducer(object):
-    """A common KafkaProducer for requests and responses."""
-
-    def __init__(self, topic):
-        """Initialize the common kafka producer."""
-        self._topic = topic
-
-        if "BROKER_URI" in os.environ:
-            broker = os.getenv("BROKER_URI")
-        else:
-            broker = "localhost:9092"
-
-        '''
-        If the broker URI is not set in the env by default,
-        localhost container is taken as the host because an instance of
-        is already running.
-        '''
-
-        self.producer = kaf(
-            key_serializer=str.encode,
-            value_serializer=str.encode,
-            bootstrap_servers=broker, api_version=(0, 10, 1))
-
-    def publish(self, key, value, topic=None):
-        """Send the required message on the Kafka message bus."""
-        try:
-            future = self.producer.send(topic=topic, key=key, value=value)
-            future.get(timeout=10)
-        except Exception:
-            logging.exception("Error publishing to {} topic." .format(topic))
-            raise
-
-    def publish_alarm_request(self, key, message):
-        """Publish an alarm request."""
-        # External to MON
-
-        self.publish(key,
-                     value=message,
-                     topic='alarm_request')
-
-    def publish_alarm_response(self, key, message):
-        """Publish an alarm response."""
-        # Internal to MON
-
-        self.publish(key,
-                     value=message,
-                     topic='alarm_response')
-
-    def publish_metrics_request(self, key, message):
-        """Create metrics request from SO to MON."""
-        # External to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_request')
-
-    def publish_metrics_response(self, key, message):
-        """Response for a create metric request from MON to SO."""
-        # Internal to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_response')
-
-    def read_metric_data_request(self, key, message):
-        """Read metric data request from SO to MON."""
-        # External to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_request')
-
-    def read_metric_data_response(self, key, message):
-        """Response from MON to SO for read metric data request."""
-        # Internal to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_response')
-
-    def list_metric_request(self, key, message):
-        """List metric request from SO to MON."""
-        # External to MON
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_request')
-
-    def list_metric_response(self, key, message):
-        """Response from SO to MON for list metrics request."""
-        # Internal to MON
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_response')
-
-    def delete_metric_request(self, key, message):
-        """Delete metric request from SO to MON."""
-        # External to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_request')
-
-    def delete_metric_response(self, key, message):
-        """Response from MON to SO for delete metric request."""
-        # Internal to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_response')
-
-    def update_metric_request(self, key, message):
-        """Metric update request from SO to MON."""
-        # External to Mon
-
-        self.publish(key,
-                     value=message,
-                     topic='metric_request')
+from kafka import KafkaProducer
 
-    def update_metric_response(self, key, message):
-        """Reponse from MON to SO for metric update."""
-        # Internal to Mon
+from osm_mon.core.settings import Config
 
-        self.publish(key,
-                     value=message,
-                     topic='metric_response')
 
-    def access_credentials(self, key, message):
-        """Send access credentials to MON from SO."""
+class Producer(KafkaProducer):
+    def __init__(self):
+        cfg = Config.instance()
+        super().__init__(bootstrap_servers=cfg.BROKER_URI,
+                         key_serializer=str.encode,
+                         value_serializer=str.encode)
 
-        self.publish(key,
-                     value=message,
-                     topic='access_credentials')
+    def send(self, topic, value=None, key=None, partition=None, timestamp_ms=None):
+        return super().send(topic, value, key, partition, timestamp_ms)