Created Ansible templates for OpenShift nodes and cluster

infra-config/host_vars/int-master03/vars

@@ -1,13 +1,29 @@
 ---
 # file: host_vars/int-master03/vars
-# OpenShift node
+# Ansible vars template for OpenShift nodes created via Ansible (configure_openshift_cluster).
+
+# Cluster deployed via Agent Installer and Matchbox (iPXE):
+
+# Role of this node in the cluster. 
+# - master
+# - worker
+
+node_role: "master"
+
+# IP address assigned to this node on the Primary Interface
+
+ip_address: 10.1.71.63
+
+# Ansible Playbook supports booting node via one interface, but installing on a 
+# different interface. (Disabling the boot interface on install)  All these fields
+# are necessary.  In the case of a single NIC node, interfaces and MAC addresses
+# should be the same.
 
-# Networking
 boot_interface: "enp0s31f6"
 boot_mac_address: "d8:9e:f3:4c:02:a9"
 primary_interface: "enp1s0f0"
 install_mac_address: "98:b7:85:1f:89:cf"
-ip_address: 10.1.71.63
-node_role: "master"
+
+# ---
 
 hostname: "{{ inventory_hostname }}.{{ base_domain }}"