modify nodes and bundles for new nftables syntax

bundles/mosquitto/metadata.py

@@ -26,9 +26,9 @@ defaults = {
 
 
 @metadata_reactor.provides(
-    'iptables/port_rules',
+    'firewall/port_rules',
 )
-def iptables(metadata):
+def firewall(metadata):
     sources = metadata.get('mosquitto/restrict-to', {'*'})
     result = {}
 
@@ -36,7 +36,7 @@ def iptables(metadata):
         result[listener] = atomic(sources)
 
     return {
-        'iptables': {
+        'firewall': {
             'port_rules': result,
         },
     }