parametrized hostnames for cluster setups
diff --git a/reclass/storage/system/stacklight_telemetry_cluster.yml b/reclass/storage/system/stacklight_telemetry_cluster.yml
index 8791b98..12b1dae 100644
--- a/reclass/storage/system/stacklight_telemetry_cluster.yml
+++ b/reclass/storage/system/stacklight_telemetry_cluster.yml
@@ -1,9 +1,13 @@
 parameters:
+  _param:
+    stacklight_telemetry_node01_hostname: mtr01
+    stacklight_telemetry_node02_hostname: mtr02
+    stacklight_telemetry_node03_hostname: mtr03
   reclass:
     storage:
       node:
         stacklight_telemetry_node01:
-          name: mtr01
+          name: ${_param:stacklight_telemetry_node01_hostname}
           domain: ${_param:cluster_domain}
           classes:
           - cluster.${_param:cluster_name}.stacklight.telemetry
@@ -13,7 +17,7 @@
             single_address: ${_param:stacklight_telemetry_node01_address}
             keepalived_vip_priority: 103
         stacklight_telemetry_node02:
-          name: mtr02
+          name: ${_param:stacklight_telemetry_node02_hostname}
           domain: ${_param:cluster_domain}
           classes:
           - cluster.${_param:cluster_name}.stacklight.telemetry
@@ -23,7 +27,7 @@
             single_address: ${_param:stacklight_telemetry_node02_address}
             keepalived_vip_priority: 102
         stacklight_telemetry_node03:
-          name: mtr03
+          name: ${_param:stacklight_telemetry_node03_hostname}
           domain: ${_param:cluster_domain}
           classes:
           - cluster.${_param:cluster_name}.stacklight.telemetry