emqx/apps/emqx_prometheus/src/emqx_prometheus_app.erl
zhongwencool d784e63b9f
emqx_conf (#5939)
* feat(emqx_conf): move conf manager for emqx_machine to emqx_conf

* chore(emqx_conf): change emqx:get_config/2 to emqx_conf:get/2

* fix: common test failed

* fix: badmatch by typo wrong key

* fix(emqx_conf): get the wrong core nodes

* fix(emqx_conf): get core node's tnx_id not latest tnx_id

* fix: add ro_transation when copy conf file

* fix: delete debug info

* fix: change ekka_rlog to mria_rlog

* fix: remove cluster_rpc from emqx_machine.

* fix: don't call ekka:start/0 explicitly

* fix: ekka should be start in emqx_machine
2021-10-21 18:08:51 +08:00

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1.3 KiB
Erlang

%%--------------------------------------------------------------------
%% 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_prometheus_app).
-behaviour(application).
-include("emqx_prometheus.hrl").
%% Application callbacks
-export([ start/2
, stop/1
]).
start(_StartType, _StartArgs) ->
{ok, Sup} = emqx_prometheus_sup:start_link(),
maybe_enable_prometheus(),
{ok, Sup}.
stop(_State) ->
ok.
maybe_enable_prometheus() ->
case emqx_conf:get([prometheus, enable], false) of
true ->
emqx_prometheus_sup:start_child(?APP, emqx_conf:get([prometheus], #{}));
false ->
ok
end.