From c9911a3b5ff722353f3e2a860803a6766f44359f Mon Sep 17 00:00:00 2001
From: Shawn <506895667@qq.com>
Date: Fri, 30 Jul 2021 09:44:46 +0800
Subject: [PATCH] feat(api): add API /v5/configs for updating configs

---
 .../src/emqx_mgmt_api_configs.erl             | 112 ++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 apps/emqx_management/src/emqx_mgmt_api_configs.erl

diff --git a/apps/emqx_management/src/emqx_mgmt_api_configs.erl b/apps/emqx_management/src/emqx_mgmt_api_configs.erl
new file mode 100644
index 000000000..495c4d7a6
--- /dev/null
+++ b/apps/emqx_management/src/emqx_mgmt_api_configs.erl
@@ -0,0 +1,112 @@
+%%--------------------------------------------------------------------
+%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%--------------------------------------------------------------------
+
+-module(emqx_mgmt_api_configs).
+
+-behaviour(minirest_api).
+
+-export([api_spec/0]).
+
+-export([brokers/2]).
+
+api_spec() ->
+    {[config_apis()], config_schemas()}.
+
+config_schema() -> [
+    #{
+        broker => #{
+            type => object,
+        }
+    }
+|| RootKey <- ].
+
+config_apis() ->
+    Metadata = #{
+        get => #{
+            description => <<"EMQ X configs">>,
+            parameters => [#{
+                name => activated,
+                in => query,
+                description => <<"All configs, if not specified">>,
+                required => false,
+                schema => #{type => boolean, default => true}
+            }],
+            responses => #{
+                <<"200">> =>
+                emqx_mgmt_util:response_array_schema(<<"List all configs">>, config)}},
+        delete => #{
+            description => <<"Remove all deactivated configs">>,
+            responses => #{
+                <<"200">> =>
+                emqx_mgmt_util:response_schema(<<"Remove all deactivated configs ok">>)}}},
+    {"/configs", Metadata, configs}.
+
+%%%==============================================================================================
+%% parameters trans
+configs(get, Request) ->
+    case proplists:get_value(<<"activated">>, cowboy_req:parse_qs(Request), undefined) of
+        undefined ->
+            list(#{activated => undefined});
+        <<"true">> ->
+            list(#{activated => true});
+        <<"false">> ->
+            list(#{activated => false})
+    end;
+
+configs(delete, _Request) ->
+    delete().
+
+%%%==============================================================================================
+%% api apply
+list(#{activated := true}) ->
+    do_list(activated);
+list(#{activated := false}) ->
+    do_list(deactivated);
+list(#{activated := undefined}) ->
+    do_list(activated).
+
+delete() ->
+    _ = emqx_mgmt:delete_all_deactivated_configs(),
+    {200}.
+
+%%%==============================================================================================
+%% internal
+do_list(Type) ->
+    {Table, Function} =
+        case Type of
+            activated ->
+                {?ACTIVATED_ALARM, query_activated};
+            deactivated ->
+                {?DEACTIVATED_ALARM, query_deactivated}
+        end,
+    Response = emqx_mgmt_api:cluster_query([], {Table, []}, {?MODULE, Function}),
+    {200, Response}.
+
+query_activated(_, Start, Limit) ->
+    query(?ACTIVATED_ALARM, Start, Limit).
+
+query_deactivated(_, Start, Limit) ->
+    query(?DEACTIVATED_ALARM, Start, Limit).
+
+query(Table, Start, Limit) ->
+    Ms = [{'$1',[],['$1']}],
+    emqx_mgmt_api:select_table(Table, Ms, Start, Limit, fun format_config/1).
+
+format_config(Alarms) when is_list(Alarms) ->
+    [emqx_config:format(Alarm) || Alarm <- Alarms];
+
+format_config(Alarm) ->
+    emqx_config:format(Alarm).