refactor(pluglib): remove `emqx_plugin_libs` application

.github/CODEOWNERS

@@ -11,7 +11,6 @@
 /apps/emqx_ft/             @emqx/emqx-review-board @savonarola @keynslug
 /apps/emqx_gateway/        @emqx/emqx-review-board @lafirest
 /apps/emqx_management/     @emqx/emqx-review-board @lafirest @sstrigler
-/apps/emqx_plugin_libs/    @emqx/emqx-review-board @lafirest
 /apps/emqx_plugins/        @emqx/emqx-review-board @JimMoen
 /apps/emqx_prometheus/     @emqx/emqx-review-board @JimMoen
 /apps/emqx_psk/            @emqx/emqx-review-board @lafirest

apps/emqx_machine/src/emqx_machine_boot.erl

@@ -137,7 +137,6 @@ basic_reboot_apps() ->
             emqx_resource,
             emqx_rule_engine,
             emqx_bridge,
-            emqx_plugin_libs,
             emqx_management,
             emqx_retainer,
             emqx_exhook,

apps/emqx_machine/test/emqx_machine_SUITE.erl

@@ -51,7 +51,6 @@ init_per_suite(Config) ->
         emqx_resource,
         emqx_rule_engine,
         emqx_bridge,
-        emqx_plugin_libs,
         emqx_management,
         emqx_retainer,
         emqx_exhook,

apps/emqx_plugin_libs/rebar.config

@@ -1,8 +0,0 @@
-%% -*- mode: erlang -*-
-
-{deps, [
-    {emqx, {path, "../emqx"}},
-    {emqx_utils, {path, "../emqx_utils"}}
-]}.
-
-{project_plugins, [erlfmt]}.

apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src

@@ -1,8 +0,0 @@
-%% -*- mode: erlang -*-
-{application, emqx_plugin_libs, [
-    {description, "EMQX Plugin utility libs"},
-    {vsn, "4.3.12"},
-    {modules, []},
-    {applications, [kernel, stdlib]},
-    {env, []}
-]}.

apps/emqx_plugin_libs/src/emqx_plugin_libs.appup.src

@@ -1,13 +0,0 @@
-%% -*- mode: erlang -*-
-{VSN,
- [ {"4.3.0",
-    [ {add_module, emqx_plugin_libs_pool}
-    ]},
-   {<<".*">>, []}
- ],
- [ {"4.3.0",
-    [ {delete_module, emqx_plugin_libs_pool}
-    ]},
-   {<<".*">>, []}
- ]
-}.

apps/emqx_plugin_libs/src/emqx_plugin_libs.erl

@@ -1,17 +0,0 @@
-%%--------------------------------------------------------------------
-%% Copyright (c) 2021-2023 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_plugin_libs).

apps/emqx_plugin_libs/src/emqx_plugin_libs_rule.erl

@@ -1,202 +0,0 @@
-%%--------------------------------------------------------------------
-%% Copyright (c) 2021-2023 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_plugin_libs_rule).
--elvis([{elvis_style, god_modules, disable}]).
-
-%% preprocess and process template string with place holders
--export([
-    proc_batch_sql/3
-]).
-
-%% type converting
--export([
-    bool/1,
-    int/1,
-    float/1,
-    float2str/2,
-    map/1,
-    utf8_bin/1,
-    utf8_str/1,
-    atom_key/1,
-    unsafe_atom_key/1
-]).
-
-%% connectivity check
--export([
-    http_connectivity/1,
-    http_connectivity/2,
-    tcp_connectivity/2,
-    tcp_connectivity/3
-]).
-
--compile({no_auto_import, [float/1]}).
-
--type uri_string() :: iodata().
-
--type tmpl_token() :: list({var, binary()} | {str, binary()}).
-
--spec proc_batch_sql(
-    BatchReqs :: list({atom(), map()}),
-    InsertPart :: binary(),
-    Tokens :: tmpl_token()
-) -> InsertSQL :: binary().
-proc_batch_sql(BatchReqs, InsertPart, Tokens) ->
-    ValuesPart = erlang:iolist_to_binary(
-        lists:join($,, [
-            emqx_placeholder:proc_sql_param_str(Tokens, Msg)
-         || {_, Msg} <- BatchReqs
-        ])
-    ),
-    <<InsertPart/binary, " values ", ValuesPart/binary>>.
-
-unsafe_atom_key(Key) when is_atom(Key) ->
-    Key;
-unsafe_atom_key(Key) when is_binary(Key) ->
-    binary_to_atom(Key, utf8);
-unsafe_atom_key(Keys = [_Key | _]) ->
-    [unsafe_atom_key(SubKey) || SubKey <- Keys];
-unsafe_atom_key(Key) ->
-    error({invalid_key, Key}).
-
-atom_key(Key) when is_atom(Key) ->
-    Key;
-atom_key(Key) when is_binary(Key) ->
-    try
-        binary_to_existing_atom(Key, utf8)
-    catch
-        error:badarg -> error({invalid_key, Key})
-    end;
-%% nested keys
-atom_key(Keys = [_Key | _]) ->
-    [atom_key(SubKey) || SubKey <- Keys];
-atom_key(Key) ->
-    error({invalid_key, Key}).
-
--spec http_connectivity(uri_string()) -> ok | {error, Reason :: term()}.
-http_connectivity(Url) ->
-    http_connectivity(Url, 3000).
-
--spec http_connectivity(uri_string(), integer()) -> ok | {error, Reason :: term()}.
-http_connectivity(Url, Timeout) ->
-    case emqx_http_lib:uri_parse(Url) of
-        {ok, #{host := Host, port := Port}} ->
-            tcp_connectivity(Host, Port, Timeout);
-        {error, Reason} ->
-            {error, Reason}
-    end.
-
--spec tcp_connectivity(
-    Host :: inet:socket_address() | inet:hostname(),
-    Port :: inet:port_number()
-) ->
-    ok | {error, Reason :: term()}.
-tcp_connectivity(Host, Port) ->
-    tcp_connectivity(Host, Port, 3000).
-
--spec tcp_connectivity(
-    Host :: inet:socket_address() | inet:hostname(),
-    Port :: inet:port_number(),
-    Timeout :: integer()
-) ->
-    ok | {error, Reason :: term()}.
-tcp_connectivity(Host, Port, Timeout) ->
-    case gen_tcp:connect(Host, Port, emqx_utils:ipv6_probe([]), Timeout) of
-        {ok, Sock} ->
-            gen_tcp:close(Sock),
-            ok;
-        {error, Reason} ->
-            {error, Reason}
-    end.
-
-utf8_bin(Str) when is_binary(Str); is_list(Str) ->
-    unicode:characters_to_binary(Str);
-utf8_bin(Str) ->
-    unicode:characters_to_binary(emqx_utils_conv:bin(Str)).
-
-utf8_str(Str) when is_binary(Str); is_list(Str) ->
-    unicode:characters_to_list(Str);
-utf8_str(Str) ->
-    unicode:characters_to_list(emqx_utils_conv:str(Str)).
-
-int(List) when is_list(List) ->
-    try
-        list_to_integer(List)
-    catch
-        error:badarg ->
-            int(list_to_float(List))
-    end;
-int(Bin) when is_binary(Bin) ->
-    try
-        binary_to_integer(Bin)
-    catch
-        error:badarg ->
-            int(binary_to_float(Bin))
-    end;
-int(Int) when is_integer(Int) -> Int;
-int(Float) when is_float(Float) -> erlang:floor(Float);
-int(true) ->
-    1;
-int(false) ->
-    0;
-int(Data) ->
-    error({invalid_number, Data}).
-
-float(List) when is_list(List) ->
-    try
-        list_to_float(List)
-    catch
-        error:badarg ->
-            float(list_to_integer(List))
-    end;
-float(Bin) when is_binary(Bin) ->
-    try
-        binary_to_float(Bin)
-    catch
-        error:badarg ->
-            float(binary_to_integer(Bin))
-    end;
-float(Num) when is_number(Num) -> erlang:float(Num);
-float(Data) ->
-    error({invalid_number, Data}).
-
-float2str(Float, Precision) when is_float(Float) and is_integer(Precision) ->
-    float_to_binary(Float, [{decimals, Precision}, compact]).
-
-map(Bin) when is_binary(Bin) ->
-    case emqx_utils_json:decode(Bin, [return_maps]) of
-        Map = #{} -> Map;
-        _ -> error({invalid_map, Bin})
-    end;
-map(List) when is_list(List) -> maps:from_list(List);
-map(Map) when is_map(Map) -> Map;
-map(Data) ->
-    error({invalid_map, Data}).
-
-bool(Bool) when
-    Bool == true;
-    Bool == <<"true">>;
-    Bool == 1
-->
-    true;
-bool(Bool) when
-    Bool == false;
-    Bool == <<"false">>;
-    Bool == 0
-->
-    false;
-bool(Bool) ->
-    error({invalid_boolean, Bool}).

apps/emqx_plugin_libs/test/emqx_plugin_libs_rule_SUITE.erl

@@ -1,47 +0,0 @@
-%%--------------------------------------------------------------------
-%% Copyright (c) 2020-2023 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_plugin_libs_rule_SUITE).
-
--compile(export_all).
--compile(nowarn_export_all).
-
--include_lib("eunit/include/eunit.hrl").
-
-all() -> emqx_common_test_helpers:all(?MODULE).
-
-t_atom_key(_) ->
-    _ = erlang,
-    _ = port,
-    ?assertEqual([erlang], emqx_plugin_libs_rule:atom_key([<<"erlang">>])),
-    ?assertEqual([erlang, port], emqx_plugin_libs_rule:atom_key([<<"erlang">>, port])),
-    ?assertEqual([erlang, port], emqx_plugin_libs_rule:atom_key([<<"erlang">>, <<"port">>])),
-    ?assertEqual(erlang, emqx_plugin_libs_rule:atom_key(<<"erlang">>)),
-    ?assertError({invalid_key, {a, v}}, emqx_plugin_libs_rule:atom_key({a, v})),
-    _ = xyz876gv123,
-    ?assertEqual([xyz876gv123, port], emqx_plugin_libs_rule:atom_key([<<"xyz876gv123">>, port])).
-
-t_unsafe_atom_key(_) ->
-    ?assertEqual([xyz876gv], emqx_plugin_libs_rule:unsafe_atom_key([<<"xyz876gv">>])),
-    ?assertEqual(
-        [xyz876gv33, port],
-        emqx_plugin_libs_rule:unsafe_atom_key([<<"xyz876gv33">>, port])
-    ),
-    ?assertEqual(
-        [xyz876gv331, port1221],
-        emqx_plugin_libs_rule:unsafe_atom_key([<<"xyz876gv331">>, <<"port1221">>])
-    ),
-    ?assertEqual(xyz876gv3312, emqx_plugin_libs_rule:unsafe_atom_key(<<"xyz876gv3312">>)).

mix.exs

@@ -352,7 +352,6 @@ defmodule EMQXUmbrella.MixProject do
       [
         mnesia: :load,
         ekka: :load,
-        emqx_plugin_libs: :load,
         esasl: :load,
         observer_cli: :permanent,
         tools: :permanent,

rebar.config.erl

@@ -405,7 +405,6 @@ relx_apps(ReleaseType, Edition) ->
         [
             {mnesia, load},
             {ekka, load},
-            {emqx_plugin_libs, load},
             {esasl, load},
             observer_cli,
             tools,