Parameterized linux_system_codename

Change-Id: Ic527bfa74b4caf7e0bb5d157bfae024f2cf53111
diff --git a/reclass/storage/system/infra_idm_cluster.yml b/reclass/storage/system/infra_idm_cluster.yml
index aae2370..1d2efcf 100644
--- a/reclass/storage/system/infra_idm_cluster.yml
+++ b/reclass/storage/system/infra_idm_cluster.yml
@@ -3,6 +3,7 @@
     infra_idm_node01_hostname: idm01
     infra_idm_node02_hostname: idm02
     infra_idm_node03_hostname: idm03
+    infra_idm_system_codename: centos
   reclass:
     storage:
       node:
@@ -13,7 +14,7 @@
           - cluster.${_param:cluster_name}.infra.idm
           params:
             salt_master_host: ${_param:reclass_config_master}
-            linux_system_codename: centos
+            linux_system_codename: ${_param:infra_idm_system_codename}
             single_address: ${_param:infra_idm_node01_address}
         infra_idm_node02:
           name: ${_param:infra_idm_node02_hostname}
@@ -22,7 +23,7 @@
           - cluster.${_param:cluster_name}.infra.idm
           params:
             salt_master_host: ${_param:reclass_config_master}
-            linux_system_codename: centos
+            linux_system_codename: ${_param:infra_idm_system_codename}
             single_address: ${_param:infra_idm_node02_address}
         infra_idm_node03:
           name: ${_param:infra_idm_node03_hostname}
@@ -31,5 +32,5 @@
           - cluster.${_param:cluster_name}.infra.idm
           params:
             salt_master_host: ${_param:reclass_config_master}
-            linux_system_codename: centos
-            single_address: ${_param:infra_idm_node03_address}
\ No newline at end of file
+            linux_system_codename: ${_param:infra_idm_system_codename}
+            single_address: ${_param:infra_idm_node03_address}