Add InfluxDB relay service

Change-Id: I96e8b0b0bfd328180826d6f72d7fb1b072d62278
diff --git a/classes/cluster/sl_os_ovs/stacklight/server.yml b/classes/cluster/sl_os_ovs/stacklight/server.yml
index e5e2cc6..c48b77c 100644
--- a/classes/cluster/sl_os_ovs/stacklight/server.yml
+++ b/classes/cluster/sl_os_ovs/stacklight/server.yml
@@ -8,12 +8,13 @@
 - system.kibana.server.single
 - system.haproxy.proxy.listen.stacklight.elasticsearch
 - system.haproxy.proxy.listen.stacklight.kibana
-- system.haproxy.proxy.listen.stacklight.influxdb
+- system.haproxy.proxy.listen.stacklight.influxdb_relay
 - service.haproxy.proxy.single
 - system.glusterfs.client.cluster
 - system.glusterfs.client.volume.prometheus
 - system.galera.server.cluster
 - system.galera.server.database.grafana
+- system.influxdb.relay.cluster
 - system.influxdb.server.single
 - system.influxdb.database.prometheus
 - system.salt.minion.cert.prometheus_server
@@ -35,6 +36,7 @@
     keepalived_prometheus_vip_password: password
     keepalived_prometheus_vip_interface: ens4
     cluster_vip_address: ${_param:stacklight_monitor_address}
+    cluster_local_address: ${_param:single_address}
     cluster_elasticsearch_port: 9200
     cluster_kibana_port: 5601
     cluster_grafana_port: 3000
@@ -86,4 +88,4 @@
     cluster:
       instance:
         VIP:
-          enabled: false
\ No newline at end of file
+          enabled: false