Create subnet parameter

win_domain.yaml

 heat_template_version: 2016-10-14
 
-description: Heat Template for Windows Module of CCTC - Provides base resources, Windows 7, Windows 10 and UTW test.
+description: Heat Template for an auto-start Windows domain.  Domain consists of Win Sever 2016 and Win 10 hosts.
 
 parameters:
 
-  student_id:
+  subnet:
     type: string
-    label: Student ID
-    description: Student ID Number with No Leading Zeros
-
-  last_name:
-    type: string
-    label: Last Name
-    description: Last Name
+    label: Subnet Prefix
+    description: Subnet for the domain
     default: 
     constraints:
-      -  length: { min: 1, max: 15 }
-         description: Last name must be no longer than 15 characters
-      -  allowed_pattern: "[a-zA-Z]*"
-         description: Last name may only contain letters
-
-  password:
-    type: string
-    label: Password
-    description: Set root/admin password for instances
-    hidden: true
-    default: password
-    constraints:
-      -  length: { min: 8, max: 20 }
-         description: Password must be between 8 and 20 characters
-      -  allowed_pattern: "[a-zA-Z0-9]*"
-         description: Password may not contain special characters
+      -  length: { min: 6, max: 11 }
+         description: Subnet prefix must be between 6 and 11 characters
+      -  allowed_pattern: "(192\.168\.[0-9]{1,3})|(10(\.[0-9]{1,3}){2})|(172\.(1[6-9]|2[0-9]|3[1-2])\.[0-9]{1-3})"
+         description: Subnet must be an RFC-compliant private subnet
 
 resources: