Add g_new_node_hosts to cluster_hosts.

playbooks/byo/openshift-cluster/cluster_hosts.yml

@@ -7,6 +7,8 @@ g_master_hosts: "{{ groups.masters | default([]) }}"
 
 g_node_hosts:   "{{ groups.nodes | default([]) }}"
 
+g_new_node_hosts: "{{ groups.new_nodes | default([]) }}"
+
 g_nfs_hosts:   "{{ groups.nfs | default([]) }}"
 
 g_all_hosts:    "{{ g_master_hosts | union(g_node_hosts) | union(g_etcd_hosts)

playbooks/common/openshift-cluster/evaluate_groups.yml

@@ -47,7 +47,7 @@
 
   # Use g_new_node_hosts if it exists otherwise g_node_hosts
   - set_fact:
-      g_node_hosts_to_config: "{{ g_new_node_hosts | default(g_node_hosts | default([])) }}"
+      g_node_hosts_to_config: "{{ g_new_node_hosts | default(g_node_hosts | default([], true), true) }}"
 
   - name: Evaluate oo_nodes_to_config
     add_host: