Access node parameters through node instead of directly

tools/render

@@ -40,7 +40,7 @@ def render_templates(node: dict, args: dict):
         def default(self, o):
             if isinstance(o, Template):
                 try:
-                    rendered = o.render(args | node)
+                    rendered = o.render(args | {"node": node})
                 except Exception as e:
                     e.add_note(f"While rendering for: {node['hostname']}")
                     raise e