emqx/apps/emqx_modules/src/emqx_modules_app.erl

51 lines
1.6 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2021-2024 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_modules_app).
-behaviour(application).
-export([
start/2,
stop/1
]).
start(_Type, _Args) ->
ok = mria:wait_for_tables(emqx_delayed:create_tables()),
{ok, Sup} = emqx_modules_sup:start_link(),
maybe_enable_modules(),
{ok, Sup}.
stop(_State) ->
maybe_disable_modules(),
ok.
maybe_enable_modules() ->
emqx_conf:get([delayed, enable], true) andalso emqx_delayed:load(),
emqx_observer_cli:enable(),
emqx_conf_cli:load(),
ok = emqx_rewrite:enable(),
emqx_topic_metrics:enable(),
emqx_modules_conf:load().
maybe_disable_modules() ->
emqx_conf:get([delayed, enable], true) andalso emqx_delayed:unload(),
emqx_conf:get([observer_cli, enable], true) andalso emqx_observer_cli:disable(),
emqx_rewrite:disable(),
emqx_conf_cli:unload(),
emqx_topic_metrics:disable(),
emqx_modules_conf:unload().