Adding composers and customization files for ELK sample system and Metrics sample system (Prometheus & Grafana)

Change-Id: I2ba4ce27119051f210aa13a5a49f859c0b157d99
Signed-off-by: lavado <glavado@whitestack.com>
diff --git a/installers/docker/osm_elk/logstash.conf b/installers/docker/osm_elk/logstash.conf
new file mode 100644
index 0000000..a83a572
--- /dev/null
+++ b/installers/docker/osm_elk/logstash.conf
@@ -0,0 +1,17 @@
+input {
+	tcp {
+		port => 5000
+	}
+        kafka {
+                bootstrap_servers => 'kafka:9092'
+                topics => ["alarm_response", "lcm_pm"]
+        }
+}
+
+## Add your filters / logstash plugins configuration here
+
+output {
+	elasticsearch {
+		hosts => "elasticsearch:9200"
+	}
+}