Add fluentd params to pike ovs

Not so long ago LMA start to use fluentd,
so need to add it into models to be possible to test it

Change-Id: I5bb55ffd005e5af49e39c6d8d88d3e4e7fc96727
Related: PROD-17888
diff --git a/classes/cluster/virtual-mcp-pike-dvr/stacklight/init.yml b/classes/cluster/virtual-mcp-pike-dvr/stacklight/init.yml
index 0b10c03..015ea27 100644
--- a/classes/cluster/virtual-mcp-pike-dvr/stacklight/init.yml
+++ b/classes/cluster/virtual-mcp-pike-dvr/stacklight/init.yml
@@ -9,6 +9,7 @@
     grafana_database_type: mysql
     grafana_database_host: ${_param:openstack_database_address}
     grafana_database_password: ${_param:mysql_grafana_password}
+    fluentd_elasticsearch_host: ${_param:stacklight_log_address}
   linux:
     network:
       host: