Remove connection counts and limits from API health checks

deps/rabbitmq_management/src/rabbit_mgmt_wm_health_check_below_node_connection_limit.erl

@@ -11,6 +11,8 @@
 -export([to_json/2, content_types_provided/2]).
 -export([variances/2]).
 
+-include_lib("kernel/include/logger.hrl").
+
 -include("rabbit_mgmt.hrl").
 -include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
 
@@ -34,16 +36,15 @@ to_json(ReqData, Context) ->
     Limit = rabbit_misc:get_env(rabbit, connection_max, infinity),
     case ActiveConns < Limit of
         true ->
-            rabbit_mgmt_util:reply(
-              #{status => ok,
-                limit => Limit,
-                connections => ActiveConns}, ReqData, Context);
+            rabbit_mgmt_util:reply(#{status => ok}, ReqData, Context);
         false ->
+            ?LOG_WARNING(
+              "Node connection limit is reached. Active connections: ~w, "
+              "limit: ~w",
+              [ActiveConns, Limit]),
             Body = #{
                 status => failed,
-                reason => <<"node connection limit is reached">>,
-                limit => Limit,
-                connections => ActiveConns
+                reason => <<"node connection limit is reached">>
             },
             {Response, ReqData1, Context1} = rabbit_mgmt_util:reply(
                                                Body, ReqData, Context),

deps/rabbitmq_management/src/rabbit_mgmt_wm_health_check_ready_to_serve_clients.erl

@@ -16,6 +16,8 @@
 -export([to_json/2, content_types_provided/2]).
 -export([variances/2]).
 
+-include_lib("kernel/include/logger.hrl").
+
 -include("rabbit_mgmt.hrl").
 -include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
 
@@ -33,8 +35,8 @@ content_types_provided(ReqData, Context) ->
 
 to_json(ReqData, Context) ->
     case check() of
-        {ok, Body} ->
-            rabbit_mgmt_util:reply(Body, ReqData, Context);
+        ok ->
+            rabbit_mgmt_util:reply(#{status => ok}, ReqData, Context);
         {error, Body} ->
             {Response, ReqData1, Context1} = rabbit_mgmt_util:reply(
                                                Body, ReqData, Context),
@@ -62,13 +64,14 @@ check() ->
                     Limit = rabbit_misc:get_env(rabbit, connection_max, infinity),
                     case ActiveConns < Limit of
                         true ->
-                            {ok, #{status => ok,
-                                   limit => Limit,
-                                   connections => ActiveConns}};
+                            ok;
                         false ->
+                            ?LOG_WARNING(
+                              "Node connection limit is reached. Active "
+                              "connections: ~w, limit: ~w",
+                              [ActiveConns, Limit]),
                             {error, #{status => failed,
                                       reason => <<"node connection limit is reached">>,
-                                      limit => Limit,
                                       connections => ActiveConns}}
                     end;
                 [] ->

deps/rabbitmq_management/test/rabbit_mgmt_http_health_checks_SUITE.erl

@@ -476,8 +476,6 @@ below_node_connection_limit_test(Config) ->
     Path = "/health/checks/below-node-connection-limit",
     Check0 = http_get(Config, Path, ?OK),
     ?assertEqual(<<"ok">>, maps:get(status, Check0)),
-    ?assertEqual(0, maps:get(connections, Check0)),
-    ?assertEqual(<<"infinity">>, maps:get(limit, Check0)),
 
     %% Set the connection limit low and open 'limit' connections.
     Limit = 10,
@@ -489,8 +487,6 @@ below_node_connection_limit_test(Config) ->
 
     Body0 = http_get_failed(Config, Path),
     ?assertEqual(<<"failed">>, maps:get(<<"status">>, Body0)),
-    ?assertEqual(10, maps:get(<<"limit">>, Body0)),
-    ?assertEqual(10, maps:get(<<"connections">>, Body0)),
 
     %% Clean up the connections and reset the limit.
     [catch rabbit_ct_client_helpers:close_connection(C) || C <- Connections],
@@ -519,8 +515,6 @@ ready_to_serve_clients_test(Config) ->
 
     Body1 = http_get_failed(Config, Path),
     ?assertEqual(<<"failed">>, maps:get(<<"status">>, Body1)),
-    ?assertEqual(10, maps:get(<<"limit">>, Body1)),
-    ?assertEqual(10, maps:get(<<"connections">>, Body1)),
 
     %% Clean up the connections and reset the limit.
     [catch rabbit_ct_client_helpers:close_connection(C) || C <- Connections],