emqx/apps/emqx_prometheus/src/proto/emqx_prometheus_proto_v2.erl

54 lines
1.5 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2022-2024 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_prometheus_proto_v2).
-behaviour(emqx_bpapi).
-export([
introduced_in/0,
start/1,
stop/1,
raw_prom_data/4
]).
-include_lib("emqx/include/bpapi.hrl").
introduced_in() ->
"5.5.0".
-spec start([node()]) -> emqx_rpc:multicall_result().
start(Nodes) ->
rpc:multicall(Nodes, emqx_prometheus, do_start, [], 5000).
-spec stop([node()]) -> emqx_rpc:multicall_result().
stop(Nodes) ->
rpc:multicall(Nodes, emqx_prometheus, do_stop, [], 5000).
-type key() :: atom().
-type arg() :: list(term()).
-spec raw_prom_data([node()], key(), key(), arg()) -> emqx_rpc:erpc_multicall(term()).
raw_prom_data(Nodes, M, F, A) ->
erpc:multicall(
Nodes,
emqx_prometheus_api,
lookup_from_local_nodes,
[M, F, A],
5000
).