parametrized hostnames for cluster setups
diff --git a/reclass/storage/system/openstack_compute_multi.yml b/reclass/storage/system/openstack_compute_multi.yml
index 82f465a..0340e9c 100644
--- a/reclass/storage/system/openstack_compute_multi.yml
+++ b/reclass/storage/system/openstack_compute_multi.yml
@@ -1,9 +1,12 @@
 parameters:
+  _param:
+    openstack_compute_node01_hostname: cmp01
+    openstack_compute_node02_hostname: cmp02
   reclass:
     storage:
       node:
         openstack_compute_node01:
-          name: cmp01
+          name: ${_param:openstack_compute_node01_hostname}
           domain: ${_param:cluster_domain}
           classes:
           - cluster.${_param:cluster_name}.openstack.compute
@@ -12,7 +15,7 @@
             linux_system_codename: trusty
             single_address: 172.16.10.105
         openstack_compute_node02:
-          name: cmp02
+          name: ${_param:openstack_compute_node02_hostname}
           domain: ${_param:cluster_domain}
           classes:
           - cluster.${_param:cluster_name}.openstack.compute