reformated inventory file for ansible 2.8

inventory

@@ -1,22 +1,56 @@
 ---
-sn01 ansible_host=sn01.s.ffh.zone ansible_user=root ansible_port=1337
-sn02 ansible_host=sn02.s.ffh.zone ansible_user=root ansible_port=1337
-sn03 ansible_host=sn03.s.ffh.zone ansible_user=root ansible_port=1337
-sn04 ansible_host=sn04.s.ffh.zone ansible_user=root ansible_port=1337
-sn05 ansible_host=sn05.s.ffh.zone ansible_user=root ansible_port=1337
-sn06 ansible_host=sn06.s.ffh.zone ansible_user=root ansible_port=1337
-sn07 ansible_host=sn07.s.ffh.zone ansible_user=root ansible_port=1337
-sn08 ansible_host=sn08.s.ffh.zone ansible_user=root ansible_port=1337
-sn09 ansible_host=sn09.s.ffh.zone ansible_user=root ansible_port=1337
-sn10 ansible_host=sn10.s.ffh.zone ansible_user=root ansible_port=1337
-aegidientor ansible_host=aegidientor.e.ffh.zone ansible_user=root ansible_port=1337
-steintor ansible_host=steintor.e.ffh.zone ansible_user=root ansible_port=1337
-leintor ansible_host=leintor.e.ffh.zone ansible_user=root ansible_port=1337
-clevertor ansible_host=clevertor.e.ffh.zone ansible_user=root ansible_port=1337
-listertor ansible_host=listertor.e.ffh.zone ansible_user=root ansible_port=1337
-bruehltor ansible_host=bruehltor.e.ffh.zone ansible_user=root ansible_port=1337
-ns1 ansible_host=ns1.fnorden.net ansible_user=root ansible_port=1337
-harvester ansible_host=harvester.ffh.zone ansible_user=root ansible_port=1337
-web ansible_host=web.ffh.zone ansible_user=root ansible_port=1337
-observer ansible_host=observer.ffh.zone ansible_user=root ansible_port=1337
-log ansible_host=log.ffh.zone ansible_user=root ansible_port=1337
+all:
+  vars:
+    ansible_user: "root"
+    ansible_port: 1337
+
+supernodes:
+  hosts:
+    sn01:
+      ansible_host: sn01.s.ffh.zone
+    sn02:
+      ansible_host: sn02.s.ffh.zone
+    sn03:
+      ansible_host: sn03.s.ffh.zone
+    sn04i:
+      ansible_host: sn04.s.ffh.zone
+    sn05:
+      ansible_host: sn05.s.ffh.zone
+    sn06:
+      ansible_host: sn06.s.ffh.zone
+    sn07:
+      ansible_host: sn07.s.ffh.zone
+    sn08:
+      ansible_host: sn08.s.ffh.zone
+    sn09:
+      ansible_host: sn09.s.ffh.zone
+    sn10:
+      ansible_host: sn10.s.ffh.zone
+
+exitnodes:
+  hosts:
+    aegidientor:
+      ansible_host: aegidientor.e.ffh.zone
+    steintor:
+      ansible_host: steintor.e.ffh.zone
+    leintor:
+      ansible_host: leintor.e.ffh.zone
+    clevertor:
+      ansible_host: clevertor.e.ffh.zone
+    listertor:
+      ansible_host: listertor.e.ffh.zone
+    bruehltor:
+      ansible_host: bruehltor.e.ffh.zone
+
+helpernodes:
+  hosts:
+    ns1:
+      ansible_host: ns1.fnorden.net
+    harvester:
+      ansible_host: harvester.ffh.zone
+    web:
+      ansible_host: web.ffh.zone
+    observer:
+      ansible_host: observer.ffh.zone
+    log:
+      ansible_host: log.ffh.zone