fix(config): update the calls to emqx_config:update/2,3

apps/emqx/src/emqx_config.erl

@@ -43,7 +43,7 @@
         , put/2
         ]).
 
--export([ save_schema_mod/1
+-export([ save_schema_mod_and_names/1
         , get_schema_mod/0
         , get_schema_mod/1
         , get_root_names/0
@@ -76,7 +76,7 @@
 
 -define(CONF, conf).
 -define(RAW_CONF, raw_conf).
--define(PERSIS_MOD_ROOTNAMES, {?MODULE, default_conf}).
+-define(PERSIS_SCHEMA_MODS, {?MODULE, schema_mods}).
 -define(PERSIS_KEY(TYPE, ROOT), {?MODULE, TYPE, ROOT}).
 -define(ZONE_CONF_PATH(ZONE, PATH), [zones, ZONE | PATH]).
 -define(LISTENER_CONF_PATH(ZONE, LISTENER, PATH), [zones, ZONE, listeners, LISTENER | PATH]).
@@ -183,17 +183,18 @@ put(Config) ->
 put(KeyPath, Config) -> do_put(?CONF, KeyPath, Config).
 
 -spec update(emqx_map_lib:config_key_path(), update_request()) ->
-    ok | {error, term()}.
+    {ok, config(), raw_config()} | {error, term()}.
 update(KeyPath, UpdateReq) ->
     update(KeyPath, UpdateReq, #{}).
 
 -spec update(emqx_map_lib:config_key_path(), update_request(),
-        emqx_config_handler:update_opts()) -> ok | {error, term()}.
+             emqx_config_handler:update_opts()) ->
+    {ok, config(), raw_config()} | {error, term()}.
 update([RootName | _] = KeyPath, UpdateReq, Opts) ->
     emqx_config_handler:update_config(get_schema_mod(RootName), KeyPath,
         {{update, UpdateReq}, Opts}).
 
--spec remove(emqx_map_lib:config_key_path()) -> ok | {error, term()}.
+-spec remove(emqx_map_lib:config_key_path()) -> {ok, config(), raw_config()} | {error, term()}.
 remove(KeyPath) ->
     remove(KeyPath, #{}).
 
@@ -203,7 +204,7 @@ remove([RootName | _] = KeyPath, Opts) ->
     emqx_config_handler:update_config(get_schema_mod(RootName), KeyPath, {remove, Opts}).
 
 -spec reset(emqx_map_lib:config_key_path(), emqx_config_handler:update_opts()) ->
-    ok | {error, term()}.
+    {ok, config(), raw_config()} | {error, term()}.
 reset([RootName | _] = KeyPath, Opts) ->
     case get_default_value(KeyPath) of
         {ok, Default} ->
@@ -275,12 +276,12 @@ init_load(SchemaMod, RawRichConf) when is_map(RawRichConf) ->
             },
     %% this call throws exception in case of check failure
     {_AppEnvs, CheckedConf} = hocon_schema:map_translate(SchemaMod, RawRichConf, Opts),
-    ok = save_schema_mod(SchemaMod),
+    ok = save_schema_mod_and_names(SchemaMod),
     ok = save_to_config_map(emqx_map_lib:unsafe_atom_key_map(normalize_conf(CheckedConf)),
             normalize_conf(hocon_schema:richmap_to_map(RawRichConf))).
 
 normalize_conf(Conf) ->
-    maps:with(get_root_names(), Conf).
+    maps:with(get_root_names(bin), Conf).
 
 -spec check_config(module(), raw_config()) -> {AppEnvs, CheckedConf}
     when AppEnvs :: app_envs(), CheckedConf :: config().
@@ -296,7 +297,7 @@ check_config(SchemaMod, RawConf) ->
 
 -spec fill_defaults(raw_config()) -> map().
 fill_defaults(RawConf) ->
-    RootNames = get_root_names(),
+    RootNames = get_root_names(bin),
     maps:fold(fun(Key, Conf, Acc) ->
             SubMap = #{Key => Conf},
             WithDefaults = case lists:member(Key, RootNames) of
@@ -309,21 +310,26 @@ fill_defaults(RawConf) ->
 -spec fill_defaults(module(), raw_config()) -> map().
 fill_defaults(SchemaMod, RawConf) ->
     hocon_schema:check_plain(SchemaMod, RawConf,
-        #{nullable => true, no_conversion => true}, [str(K) || K <- maps:keys(RawConf)]).
+        #{nullable => true, no_conversion => true}, root_names_from_conf(RawConf)).
 
 -spec read_override_conf() -> raw_config().
 read_override_conf() ->
     load_hocon_file(emqx_override_conf_name(), map).
 
--spec save_schema_mod(module()) -> ok.
+-spec save_schema_mod_and_names(module()) -> ok.
-save_schema_mod(SchemaMod) ->
+save_schema_mod_and_names(SchemaMod) ->
+    RootNames = SchemaMod:structs(),
     OldMods = get_schema_mod(),
-    NewMods = maps:from_list([{bin(RootName), SchemaMod} || RootName <- SchemaMod:structs()]),
+    OldNames = get_root_names(),
-    persistent_term:put(?PERSIS_MOD_ROOTNAMES, maps:merge(OldMods, NewMods)).
+    NewMods = maps:from_list([{bin(Name), SchemaMod} || Name <- RootNames]),
+    persistent_term:put(?PERSIS_SCHEMA_MODS, #{
+        mods => maps:merge(OldMods, NewMods),
+        names => lists:usort(OldNames ++ RootNames)
+    }).
 
 -spec get_schema_mod() -> #{binary() => atom()}.
 get_schema_mod() ->
-    persistent_term:get(?PERSIS_MOD_ROOTNAMES, #{}).
+    maps:get(mods, persistent_term:get(?PERSIS_SCHEMA_MODS, #{mods => #{}})).
 
 -spec get_schema_mod(atom() | binary()) -> module().
 get_schema_mod(RootName) ->
@@ -331,6 +337,9 @@ get_schema_mod(RootName) ->
 
 -spec get_root_names() -> [binary()].
 get_root_names() ->
+    maps:get(names, persistent_term:get(?PERSIS_SCHEMA_MODS, #{names => []})).
+
+get_root_names(bin) ->
     maps:keys(get_schema_mod()).
 
 -spec save_configs(app_envs(), config(), raw_config(), raw_config()) -> ok | {error, term()}.
@@ -420,6 +429,17 @@ do_deep_put(?CONF, KeyPath, Map, Value) ->
 do_deep_put(?RAW_CONF, KeyPath, Map, Value) ->
     emqx_map_lib:deep_put([bin(Key) || Key <- KeyPath], Map, Value).
 
+root_names_from_conf(RawConf) ->
+    Keys = maps:keys(RawConf),
+    StrNames = [str(K) || K <- Keys],
+    AtomNames = lists:foldl(fun(K, Acc) ->
+            try [atom(K) | Acc]
+            catch error:badarg -> Acc
+            end
+        end, [], Keys),
+    PossibleNames = StrNames ++ AtomNames,
+    [Name || Name <- get_root_names(), lists:member(Name, PossibleNames)].
+
 atom(Bin) when is_binary(Bin) ->
     binary_to_existing_atom(Bin, latin1);
 atom(Str) when is_list(Str) ->

apps/emqx/test/emqx_alarm_SUITE.erl

@@ -28,14 +28,14 @@ all() -> emqx_ct:all(?MODULE).
 init_per_testcase(t_size_limit, Config) ->
     emqx_ct_helpers:boot_modules(all),
     emqx_ct_helpers:start_apps([]),
-    emqx_config:update([alarm], #{
+    {ok, _, _} = emqx_config:update([alarm], #{
             <<"size_limit">> => 2
         }),
     Config;
 init_per_testcase(t_validity_period, Config) ->
     emqx_ct_helpers:boot_modules(all),
     emqx_ct_helpers:start_apps([]),
-    emqx_config:update([alarm], #{
+    {ok, _, _} = emqx_config:update([alarm], #{
             <<"validity_period">> => <<"1s">>
         }),
     Config;

apps/emqx_authz/src/emqx_authz_api.erl

@@ -449,7 +449,7 @@ rules(post, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     RawConfig = jsx:decode(Body, [return_maps]),
     case emqx_authz:update(head, [RawConfig]) of
-        ok -> {204};
+        {ok, _, _} -> {204};
         {error, Reason} ->
             {400, #{code => <<"BAD_REQUEST">>,
                     messgae => atom_to_binary(Reason)}}
@@ -458,7 +458,7 @@ rules(put, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     RawConfig = jsx:decode(Body, [return_maps]),
     case emqx_authz:update(replace, RawConfig) of
-        ok -> {204};
+        {ok, _, _} -> {204};
         {error, Reason} ->
             {400, #{code => <<"BAD_REQUEST">>,
                     messgae => atom_to_binary(Reason)}}
@@ -486,7 +486,7 @@ rule(put, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     RawConfig = jsx:decode(Body, [return_maps]),
     case emqx_authz:update({replace_once, RuleId}, RawConfig) of
-        ok -> {204};
+        {ok, _, _} -> {204};
         {error, not_found_rule} ->
             {404, #{code => <<"NOT_FOUND">>,
                     messgae => <<"rule ", RuleId/binary, " not found">>}};
@@ -497,7 +497,7 @@ rule(put, Request) ->
 rule(delete, Request) ->
     RuleId = cowboy_req:binding(id, Request),
     case emqx_authz:update({replace_once, RuleId}, #{}) of
-        ok -> {204};
+        {ok, _, _} -> {204};
         {error, Reason} ->
             {400, #{code => <<"BAD_REQUEST">>,
                     messgae => atom_to_binary(Reason)}}
@@ -507,7 +507,7 @@ move_rule(post, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     #{<<"position">> := Position} = jsx:decode(Body, [return_maps]),
     case emqx_authz:move(RuleId, Position) of
-        ok -> {204};
+        {ok, _, _} -> {204};
         {error, not_found_rule} ->
             {404, #{code => <<"NOT_FOUND">>,
                     messgae => <<"rule ", RuleId/binary, " not found">>}};

apps/emqx_authz/test/emqx_authz_SUITE.erl

@@ -33,17 +33,17 @@ groups() ->
 init_per_suite(Config) ->
     ok = emqx_config:init_load(emqx_authz_schema, ?CONF_DEFAULT),
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Config.
 
 end_per_suite(_Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz]),
     ok.
 
 init_per_testcase(_, Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     Config.
 
 -define(RULE1, #{<<"principal">> => <<"all">>,
@@ -82,9 +82,9 @@ init_per_testcase(_, Config) ->
 %%------------------------------------------------------------------------------
 
 t_update_rule(_) ->
-    ok = emqx_authz:update(replace, [?RULE2]),
+    {ok, _, _} = emqx_authz:update(replace, [?RULE2]),
-    ok = emqx_authz:update(head, [?RULE1]),
+    {ok, _, _} = emqx_authz:update(head, [?RULE1]),
-    ok = emqx_authz:update(tail, [?RULE3]),
+    {ok, _, _} = emqx_authz:update(tail, [?RULE3]),
 
     Lists1 = emqx_authz:check_rules([?RULE1, ?RULE2, ?RULE3]),
     ?assertMatch(Lists1, emqx_config:get([authorization, rules], [])),
@@ -107,7 +107,7 @@ t_update_rule(_) ->
       }
     ] = emqx_authz:lookup(),
 
-    ok = emqx_authz:update({replace_once, Id3}, ?RULE4),
+    {ok, _, _} = emqx_authz:update({replace_once, Id3}, ?RULE4),
     Lists2 = emqx_authz:check_rules([?RULE1, ?RULE2, ?RULE4]),
     ?assertMatch(Lists2, emqx_config:get([authorization, rules], [])),
 
@@ -132,38 +132,38 @@ t_update_rule(_) ->
       }
     ] = emqx_authz:lookup(),
 
-    ok = emqx_authz:update(replace, []).
+    {ok, _, _} = emqx_authz:update(replace, []).
 
 t_move_rule(_) ->
-    ok = emqx_authz:update(replace, [?RULE1, ?RULE2, ?RULE3, ?RULE4]),
+    {ok, _, _} = emqx_authz:update(replace, [?RULE1, ?RULE2, ?RULE3, ?RULE4]),
     [#{annotations := #{id := Id1}},
      #{annotations := #{id := Id2}},
      #{annotations := #{id := Id3}},
      #{annotations := #{id := Id4}}
     ] = emqx_authz:lookup(),
 
-    ok = emqx_authz:move(Id4, <<"top">>),
+    {ok, _, _} = emqx_authz:move(Id4, <<"top">>),
     ?assertMatch([#{annotations := #{id := Id4}},
                   #{annotations := #{id := Id1}},
                   #{annotations := #{id := Id2}},
                   #{annotations := #{id := Id3}}
                  ], emqx_authz:lookup()),
 
-    ok = emqx_authz:move(Id1, <<"bottom">>),
+    {ok, _, _} = emqx_authz:move(Id1, <<"bottom">>),
     ?assertMatch([#{annotations := #{id := Id4}},
                   #{annotations := #{id := Id2}},
                   #{annotations := #{id := Id3}},
                   #{annotations := #{id := Id1}}
                  ], emqx_authz:lookup()),
 
-    ok = emqx_authz:move(Id3, #{<<"before">> => Id4}),
+    {ok, _, _} = emqx_authz:move(Id3, #{<<"before">> => Id4}),
     ?assertMatch([#{annotations := #{id := Id3}},
                   #{annotations := #{id := Id4}},
                   #{annotations := #{id := Id2}},
                   #{annotations := #{id := Id1}}
                  ], emqx_authz:lookup()),
 
-    ok = emqx_authz:move(Id2, #{<<"after">> => Id1}),
+    {ok, _, _} = emqx_authz:move(Id2, #{<<"after">> => Id1}),
     ?assertMatch([#{annotations := #{id := Id3}},
                   #{annotations := #{id := Id4}},
                   #{annotations := #{id := Id1}},

apps/emqx_authz/test/emqx_authz_api_SUITE.erl

@@ -76,13 +76,13 @@ init_per_suite(Config) ->
     ekka_mnesia:start(),
     emqx_mgmt_auth:mnesia(boot),
     ok = emqx_ct_helpers:start_apps([emqx_management, emqx_authz], fun set_special_configs/1),
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
 
     Config.
 
 end_per_suite(_Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_management]),
     ok.
 
@@ -155,7 +155,7 @@ t_api(_) ->
     ok.
 
 t_move_rule(_) ->
-    ok = emqx_authz:update(replace, [?RULE1, ?RULE2, ?RULE3, ?RULE4]),
+    {ok, _, _} = emqx_authz:update(replace, [?RULE1, ?RULE2, ?RULE3, ?RULE4]),
     [#{annotations := #{id := Id1}},
      #{annotations := #{id := Id2}},
      #{annotations := #{id := Id3}},

apps/emqx_authz/test/emqx_authz_http_SUITE.erl

@@ -34,8 +34,8 @@ init_per_suite(Config) ->
 
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
 
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Rules = [#{ <<"config">> => #{
                     <<"url">> => <<"https://fake.com:443/">>,
                     <<"headers">> => #{},
@@ -45,11 +45,11 @@ init_per_suite(Config) ->
                 <<"principal">> => <<"all">>,
                 <<"type">> => <<"http">>}
             ],
-    ok = emqx_authz:update(replace, Rules),
+    {ok, _, _} = emqx_authz:update(replace, Rules),
     Config.
 
 end_per_suite(_Config) ->
-    emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
     meck:unload(emqx_resource),
     ok.

apps/emqx_authz/test/emqx_authz_mongo_SUITE.erl

@@ -34,8 +34,8 @@ init_per_suite(Config) ->
     meck:expect(emqx_resource, remove, fun(_) -> ok end ),
 
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Rules = [#{ <<"config">> => #{
                         <<"mongo_type">> => <<"single">>,
                         <<"server">> => <<"127.0.0.1:27017">>,
@@ -47,11 +47,11 @@ init_per_suite(Config) ->
                 <<"find">> => #{<<"a">> => <<"b">>},
                 <<"type">> => <<"mongo">>}
             ],
-    ok = emqx_authz:update(replace, Rules),
+    {ok, _, _} = emqx_authz:update(replace, Rules),
     Config.
 
 end_per_suite(_Config) ->
-    emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
     meck:unload(emqx_resource),
     ok.

apps/emqx_authz/test/emqx_authz_mysql_SUITE.erl

@@ -35,8 +35,8 @@ init_per_suite(Config) ->
 
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
 
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Rules = [#{ <<"config">> => #{
                     <<"server">> => <<"127.0.0.1:27017">>,
                     <<"pool_size">> => 1,
@@ -49,11 +49,11 @@ init_per_suite(Config) ->
                 <<"principal">> => <<"all">>,
                 <<"sql">> => <<"abcb">>,
                 <<"type">> => <<"mysql">> }],
-    emqx_authz:update(replace, Rules),
+    {ok, _, _} = emqx_authz:update(replace, Rules),
     Config.
 
 end_per_suite(_Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
     meck:unload(emqx_resource).
 

apps/emqx_authz/test/emqx_authz_pgsql_SUITE.erl

@@ -35,8 +35,8 @@ init_per_suite(Config) ->
 
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
 
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Rules = [#{ <<"config">> => #{
                     <<"server">> => <<"127.0.0.1:27017">>,
                     <<"pool_size">> => 1,
@@ -48,11 +48,11 @@ init_per_suite(Config) ->
                 },
                 <<"sql">> => <<"abcb">>,
                 <<"type">> => <<"pgsql">> }],
-    emqx_authz:update(replace, Rules),
+    {ok, _, _} = emqx_authz:update(replace, Rules),
     Config.
 
 end_per_suite(_Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
     meck:unload(emqx_resource).
 

apps/emqx_authz/test/emqx_authz_redis_SUITE.erl

@@ -35,8 +35,8 @@ init_per_suite(Config) ->
 
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
 
-    ok = emqx_config:update([zones, default, authorization, cache, enable], false),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, cache, enable], false),
-    ok = emqx_config:update([zones, default, authorization, enable], true),
+    {ok, _, _} = emqx_config:update([zones, default, authorization, enable], true),
     Rules = [#{ <<"config">> => #{
                     <<"server">> => <<"127.0.0.1:27017">>,
                     <<"pool_size">> => 1,
@@ -47,11 +47,11 @@ init_per_suite(Config) ->
                 },
                 <<"cmd">> => <<"HGETALL mqtt_authz:%u">>,
                 <<"type">> => <<"redis">> }],
-    emqx_authz:update(replace, Rules),
+    {ok, _, _} = emqx_authz:update(replace, Rules),
     Config.
 
 end_per_suite(_Config) ->
-    ok = emqx_authz:update(replace, []),
+    {ok, _, _} = emqx_authz:update(replace, []),
     emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
     meck:unload(emqx_resource).
 

apps/emqx_data_bridge/src/emqx_data_bridge_api.erl

@@ -124,7 +124,7 @@ format_api_reply(#{resource_type := Type, id := Id, config := Conf, status := St
 
 update_config_and_reply(Name, BridgeType, Config, Data) ->
     case emqx_data_bridge:update_config({update, ?BRIDGE(Name, BridgeType, Config)}) of
-        ok ->
+        {ok, _, _} ->
             {200, #{code => 0, data => format_api_reply(
                         emqx_resource_api:format_data(Data))}};
         {error, Reason} ->
@@ -133,7 +133,7 @@ update_config_and_reply(Name, BridgeType, Config, Data) ->
 
 delete_config_and_reply(Name) ->
     case emqx_data_bridge:update_config({delete, Name}) of
-        ok -> {200, #{code => 0, data => #{}}};
+        {ok, _, _} -> {200, #{code => 0, data => #{}}};
         {error, Reason} ->
             {500, #{code => 102, message => emqx_resource_api:stringnify(Reason)}}
     end.

apps/emqx_management/src/emqx_mgmt_api_configs.erl

@@ -89,6 +89,9 @@ config_reset_api() ->
 - For a config entry that has no default value, an error 400 will be returned">>,
             parameters => ?PARAM_CONF_PATH,
             responses => #{
+                %% We only return "200" rather than the new configs that has been changed, as
+                %% the schema of the changed configs is depends on the request parameter
+                %% `conf_path`, it cannot be defined here.
                 <<"200">> => emqx_mgmt_util:response_schema(<<"Reset configs successfully">>),
                 <<"400">> => emqx_mgmt_util:response_error_schema(
                     <<"It's not able to reset the config">>, ['INVALID_OPERATION'])
@@ -110,14 +113,15 @@ config(get, Req) ->
 
 config(put, Req) ->
     Path = conf_path(Req),
-    ok = emqx_config:update(Path, http_body(Req)),
+    {ok, _, RawConf} = emqx_config:update(Path, http_body(Req),
-    {200, emqx_map_lib:deep_get(Path, get_full_config())}.
+        #{rawconf_with_defaults => true}),
+    {200, emqx_map_lib:deep_get(Path, emqx_map_lib:jsonable_map(RawConf))}.
 
 config_reset(post, Req) ->
     %% reset the config specified by the query string param 'conf_path'
     Path = conf_path_reset(Req) ++ conf_path_from_querystr(Req),
-    case emqx_config:reset(Path) of
+    case emqx_config:reset(Path, #{}) of
-        ok -> {200};
+        {ok, _, _} -> {200};
         {error, Reason} ->
             {400, ?ERR_MSG(Reason)}
     end.

apps/emqx_prometheus/src/emqx_prometheus_api.erl

@@ -113,7 +113,7 @@ prometheus(put, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     Params = emqx_json:decode(Body, [return_maps]),
     Enable = maps:get(<<"enable">>, Params),
-    ok = emqx_config:update([prometheus], Params),
+    {ok, _, _} = emqx_config:update([prometheus], Params),
     enable_prometheus(Enable).
 
 % stats(_Bindings, Params) ->

apps/emqx_statsd/src/emqx_statsd_api.erl

@@ -91,7 +91,7 @@ statsd(put, Request) ->
     {ok, Body, _} = cowboy_req:read_body(Request),
     Params = emqx_json:decode(Body, [return_maps]),
     Enable = maps:get(<<"enable">>, Params),
-    ok = emqx_config:update([statsd], Params),
+    {ok, _, _} = emqx_config:update([statsd], Params),
     enable_statsd(Enable).
 
 enable_statsd(true) ->