Use server reference as inventory key and add ansible_host var

wif2ansible/inventory.py

@@ -61,8 +61,8 @@ def generate_inventory(servers: Dict[str, Server], flows: List[Flow]) -> Dict[st
         match_count += 1
         
         # Prepare host entry if new
-        # We use the IP as the key in inventory 'hosts'
-        host_key = server.ip_address
+        # We use the Reference/Hostname as the key in inventory 'hosts'
+        host_key = server.reference or server.hostname or server.ip_address
         
         if host_key not in inventory_hosts:
             host_vars = server.get_ansible_vars()

wif2ansible/models.py

@@ -23,6 +23,9 @@ class Server:
              # Default ssh is usually fine, but being explicit doesn't hurt
              pass
         
+        if self.ip_address:
+            vars['ansible_host'] = self.ip_address
+            
         return vars
 
 @dataclass