VOL-452 Integration of logstash in a swarm cluster
- Startup elasticsearch and logstash separately
- Added new targets in Makefile to build opennms and logstash images
- Default to the swarm kafka domain name

Change-Id: I1f7af5669b6bc270f3ed5c172f42d7e86933ef55
diff --git a/compose/elasticsearch/logstash/config/logstash.conf b/compose/elasticsearch/logstash/config/logstash.conf
index e822fe9..cc54163 100644
--- a/compose/elasticsearch/logstash/config/logstash.conf
+++ b/compose/elasticsearch/logstash/config/logstash.conf
@@ -4,7 +4,7 @@
 
 input {
   	kafka {
-		bootstrap_servers => "10.100.198.220:9092"
+		bootstrap_servers => "kafka:9092"
 		topics => ["voltha.alarms"]
 		tags => [ "alarm" ]
 		type => "voltha_alarms"