ekfa/apps/efka/src/efka_micro_service_sup.erl
2025-05-06 15:32:05 +08:00

97 lines
3.2 KiB
Erlang

%%%-------------------------------------------------------------------
%%% @author anlicheng
%%% @copyright (C) 2025, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 18. 4月 2025 16:42
%%%-------------------------------------------------------------------
-module(efka_micro_service_sup).
-author("anlicheng").
-include("efka_tables.hrl").
-behaviour(supervisor).
%% API
-export([start_link/0]).
-export([start_service/1, delete_service/1]).
%% Supervisor callbacks
-export([init/1]).
-define(SERVER, ?MODULE).
%%%===================================================================
%%% API functions
%%%===================================================================
%% @doc Starts the supervisor
-spec(start_link() -> {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
start_link() ->
supervisor:start_link({local, ?SERVER}, ?MODULE, []).
%%%===================================================================
%%% Supervisor callbacks
%%%===================================================================
%% @private
%% @doc Whenever a supervisor is started using supervisor:start_link/[2,3],
%% this function is called by the new process to find out about
%% restart strategy, maximum restart frequency and child
%% specifications.
-spec(init(Args :: term()) ->
{ok, {SupFlags :: {RestartStrategy :: supervisor:strategy(),
MaxR :: non_neg_integer(), MaxT :: non_neg_integer()},
[ChildSpec :: supervisor:child_spec()]}}
| ignore | {error, Reason :: term()}).
init([]) ->
SupFlags = #{strategy => one_for_one, intensity => 1000, period => 3600},
MicroServices = micro_service_model:get_all_services(),
Specs = lists:map(fun(Service) -> child_spec(Service) end, MicroServices),
Spec1 = child_spec(#micro_service{
service_id = <<"test1234">>,
service_name = <<"测试服务">>,
from = <<"master">>,
%% 工作目录
work_dir = <<"/usr/local/code/tmp/test/">>,
params = <<"">>,
metrics = <<"">>,
%% 状态: 0: 停止, 1: 运行中
status = 1
}),
{ok, {SupFlags, [Spec1|Specs]}}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec start_service(Service :: #micro_service{}) -> {ok, Pid :: pid()} | {error, Reason :: any()}.
start_service(Service) ->
case supervisor:start_child(?MODULE, child_spec(Service)) of
{ok, Pid} when is_pid(Pid) ->
{ok, Pid};
{error, {'already_started', Pid}} when is_pid(Pid) ->
{ok, Pid};
{error, Error} ->
{error, Error}
end.
-spec delete_service(ServiceId :: binary()) -> ok.
delete_service(ServiceId) when is_binary(ServiceId) ->
ChildId = efka_micro_service:get_name(ServiceId),
ok = supervisor:terminate_child(?MODULE, ChildId),
supervisor:delete_child(?MODULE, ChildId).
child_spec(S = #micro_service{service_id = ServiceId}) when is_binary(ServiceId) ->
Name = efka_micro_service:get_name(ServiceId),
#{
id => Name,
start => {efka_micro_service, start_link, [Name, S]},
restart => permanent,
shutdown => 2000,
type => worker,
modules => ['efka_micro_service']
}.