emqx/apps/emqx_machine/src/emqx_machine_sup.erl

54 lines
1.7 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2021-2022 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.
%%--------------------------------------------------------------------
%% @doc This supervisor manages workers which should never need a restart
%% due to config changes or when joining a cluster.
-module(emqx_machine_sup).
-behaviour(supervisor).
-export([start_link/0]).
-export([init/1]).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
init([]) ->
Terminator = child_worker(emqx_machine_terminator, [], transient),
BootApps = child_worker(emqx_machine_boot, post_boot, [], temporary),
GlobalGC = child_worker(emqx_global_gc, [], permanent),
Children = [Terminator, BootApps, GlobalGC],
SupFlags = #{
strategy => one_for_one,
intensity => 100,
period => 10
},
{ok, {SupFlags, Children}}.
child_worker(M, Args, Restart) ->
child_worker(M, start_link, Args, Restart).
child_worker(M, Func, Args, Restart) ->
#{
id => M,
start => {M, Func, Args},
restart => Restart,
shutdown => 5000,
type => worker,
modules => [M]
}.