fix(schema): nullable => required

apps/emqx/src/emqx_limiter/src/emqx_limiter_schema.erl

@@ -74,8 +74,8 @@ fields(limiter) ->
     ];
 
 fields(limiter_opts) ->
-    [ {global, sc(ref(rate_burst), #{nuallabe => true})}
-    , {zone, sc(map("zone name", ref(rate_burst)), #{nullable => true})}
+    [ {global, sc(ref(rate_burst), #{required => false})}
+    , {zone, sc(map("zone name", ref(rate_burst)), #{required => false})}
     , {bucket, sc(map("bucket_id", ref(bucket)),
                   #{desc => "Token bucket"})}
     ];

apps/emqx_prometheus/src/emqx_prometheus_schema.erl

@@ -28,9 +28,9 @@ namespace() -> "prometheus".
 roots() -> ["prometheus"].
 
 fields("prometheus") ->
-    [ {push_gateway_server, sc(string(), #{default => "http://127.0.0.1:9091", nullabel => false})}
-    , {interval, sc(emqx_schema:duration_ms(), #{default => "15s", nullabel => false})}
-    , {enable, sc(boolean(), #{default => false, nullabel => false})}
+    [ {push_gateway_server, sc(string(), #{default => "http://127.0.0.1:9091", required => true})}
+    , {interval, sc(emqx_schema:duration_ms(), #{default => "15s", required => true})}
+    , {enable, sc(boolean(), #{default => false, required => true})}
     ].
 
 sc(Type, Meta) -> hoconsc:mk(Type, Meta).