emqx4.3/apps/emqx_auth_pgsql/src/emqx_auth_pgsql_sup.erl

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%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
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%% 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
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%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-module(emqx_auth_pgsql_sup).

-behaviour(supervisor).

-include("emqx_auth_pgsql.hrl").

%% API
-export([start_link/0]).

%% Supervisor callbacks
-export([init/1]).

start_link() ->
    supervisor:start_link({local, ?MODULE}, ?MODULE, []).

init([]) ->
    %% PgSQL Connection Pool
    {ok, Opts} = application:get_env(?APP, server),
    PoolSpec = ecpool:pool_spec(?APP, ?APP, emqx_auth_pgsql_cli, Opts),
    {ok, {{one_for_one, 10, 100}, [PoolSpec]}}.