Set region in metric meta from config file

- set region in 'meta' section of aggregated
  metric from config file.

Change-Id: I82b00e9d88704835537cfd0285678b94bcc0f3a8

etc/monasca-transform.conf

@@ -17,6 +17,7 @@ adapter = monasca_transform.messaging.adapter:KafkaMessageAdapter
 topic = metrics
 brokers = localhost:9092
 publish_kafka_project_id = d2cb21079930415a9f2a33588b9f2bb6
+publish_region = useast
 adapter_pre_hourly = monasca_transform.messaging.adapter:KafkaMessageAdapterPreHourly
 topic_pre_hourly = metrics_pre_hourly
 

monasca_transform/component/insert/__init__.py

@@ -95,7 +95,7 @@ class InsertComponent(Component):
         # proper/valid tenant ID, aggregated metrics don't get persisted
         # to the Monasca DB.
         meta_part["tenantId"] = cfg.CONF.messaging.publish_kafka_project_id
-        meta_part["region"] = "useast"
+        meta_part["region"] = cfg.CONF.messaging.publish_region
 
         value_meta_part = {"record_count": instance_usage_dict.get(
                            "record_count", 0),

monasca_transform/config/config_initializer.py

@@ -84,6 +84,9 @@ class ConfigInitializer(object):
             cfg.StrOpt('publish_kafka_project_id',
                        default='111111',
                        help='publish aggregated metrics tenant'),
+            cfg.StrOpt('publish_region',
+                       default='useast',
+                       help='publish aggregated metrics region'),
             cfg.StrOpt('adapter_pre_hourly',
                        default='monasca_transform.messaging.adapter:'
                        'KafkaMessageAdapterPreHourly',