Chapril/xmpp.chapril.org-ejabberd
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xmpp.chapril.org-ejabberd/src/ejabberd_config.erl
Paweł Chmielowski c69884fa3f Config reload should update loger settings part 2
2024-02-28 12:03:42 +01:00

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%%%----------------------------------------------------------------------
%%% File : ejabberd_config.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Load config file
%%% Created : 14 Dec 2002 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2024 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_config).
%% API
-export([get_option/1]).
-export([load/0, reload/0, format_error/1, path/0]).
-export([env_binary_to_list/2]).
-export([get_myname/0, get_uri/0, get_copyright/0]).
-export([get_shared_key/0, get_node_start/0]).
-export([fsm_limit_opts/1]).
-export([codec_options/0]).
-export([version/0]).
-export([default_db/2, default_db/3, default_ram_db/2, default_ram_db/3]).
-export([beams/1, validators/1, globals/0, may_hide_data/1]).
-export([dump/0, dump/1, convert_to_yaml/1, convert_to_yaml/2]).
-export([callback_modules/1]).
-export([set_option/2]).
%% Deprecated functions
-export([get_option/2]).
-export([get_version/0, get_myhosts/0]).
-export([get_mylang/0, get_lang/1]).
-deprecated([{get_option, 2},
{get_version, 0},
{get_myhosts, 0},
{get_mylang, 0},
{get_lang, 1}]).
-include("logger.hrl").
-include("ejabberd_stacktrace.hrl").
-type option() :: atom() | {atom(), global | binary()}.
-type error_reason() :: {merge_conflict, atom(), binary()} |
{old_config, file:filename_all(), term()} |
{write_file, file:filename_all(), term()} |
{exception, term(), term(), term()}.
-type error_return() :: {error, econf:error_reason(), term()} |
{error, error_reason()}.
-type host_config() :: #{{atom(), binary() | global} => term()}.
-callback opt_type(atom()) -> econf:validator().
-callback options() -> [atom() | {atom(), term()}].
-callback globals() -> [atom()].
-callback doc() -> any().
-optional_callbacks([globals/0]).
%%%===================================================================
%%% API
%%%===================================================================
-spec load() -> ok | error_return().
load() ->
load(path()).
-spec load(file:filename_all()) -> ok | error_return().
load(Path) ->
ConfigFile = unicode:characters_to_binary(Path),
UnixTime = erlang:monotonic_time(second),
?INFO_MSG("Loading configuration from ~ts", [ConfigFile]),
_ = ets:new(ejabberd_options,
[named_table, public, {read_concurrency, true}]),
case load_file(ConfigFile) of
ok ->
set_shared_key(),
set_node_start(UnixTime),
?INFO_MSG("Configuration loaded successfully", []);
Err ->
Err
end.
-spec reload() -> ok | error_return().
reload() ->
ejabberd_systemd:reloading(),
ConfigFile = path(),
?INFO_MSG("Reloading configuration from ~ts", [ConfigFile]),
OldHosts = get_myhosts(),
Res = case load_file(ConfigFile) of
ok ->
NewHosts = get_myhosts(),
AddHosts = NewHosts -- OldHosts,
DelHosts = OldHosts -- NewHosts,
lists:foreach(
fun(Host) ->
ejabberd_hooks:run(host_up, [Host])
end, AddHosts),
lists:foreach(
fun(Host) ->
ejabberd_hooks:run(host_down, [Host])
end, DelHosts),
ejabberd_hooks:run(config_reloaded, []),
% logger is started too early to be able to use hooks, so
% we need to call it separately
ejabberd_logger:config_reloaded(),
delete_host_options(DelHosts),
?INFO_MSG("Configuration reloaded successfully", []);
Err ->
?ERROR_MSG("Configuration reload aborted: ~ts",
[format_error(Err)]),
Err
end,
ejabberd_systemd:ready(),
Res.
-spec dump() -> ok | error_return().
dump() ->
dump(stdout).
-spec dump(stdout | file:filename_all()) -> ok | error_return().
dump(Output) ->
Y = get_option(yaml_config),
dump(Y, Output).
-spec dump(term(), stdout | file:filename_all()) -> ok | error_return().
dump(Y, Output) ->
Data = fast_yaml:encode(Y),
case Output of
stdout ->
io:format("~ts~n", [Data]);
FileName ->
try
ok = filelib:ensure_dir(FileName),
ok = file:write_file(FileName, Data)
catch _:{badmatch, {error, Reason}} ->
{error, {write_file, FileName, Reason}}
end
end.
-spec get_option(option(), term()) -> term().
get_option(Opt, Default) ->
try get_option(Opt)
catch _:badarg -> Default
end.
-spec get_option(option()) -> term().
get_option(Opt) when is_atom(Opt) ->
get_option({Opt, global});
get_option({O, Host} = Opt) ->
Tab = case get_tmp_config() of
undefined -> ejabberd_options;
T -> T
end,
try ets:lookup_element(Tab, Opt, 2)
catch ?EX_RULE(error, badarg, St) when Host /= global ->
StackTrace = ?EX_STACK(St),
Val = get_option({O, global}),
?DEBUG("Option '~ts' is not defined for virtual host '~ts'. "
"This is a bug, please report it with the following "
"stacktrace included:~n** ~ts",
[O, Host, misc:format_exception(2, error, badarg, StackTrace)]),
Val
end.
-spec set_option(option(), term()) -> ok.
set_option(Opt, Val) when is_atom(Opt) ->
set_option({Opt, global}, Val);
set_option(Opt, Val) ->
Tab = case get_tmp_config() of
undefined -> ejabberd_options;
T -> T
end,
ets:insert(Tab, {Opt, Val}),
ok.
-spec get_version() -> binary().
get_version() ->
get_option(version).
-spec get_myhosts() -> [binary(), ...].
get_myhosts() ->
get_option(hosts).
-spec get_myname() -> binary().
get_myname() ->
get_option(host).
-spec get_mylang() -> binary().
get_mylang() ->
get_lang(global).
-spec get_lang(global | binary()) -> binary().
get_lang(Host) ->
get_option({language, Host}).
-spec get_uri() -> binary().
get_uri() ->
<<"http://www.process-one.net/en/ejabberd/">>.
-spec get_copyright() -> binary().
get_copyright() ->
<<"Copyright (c) ProcessOne">>.
-spec get_shared_key() -> binary().
get_shared_key() ->
get_option(shared_key).
-spec get_node_start() -> integer().
get_node_start() ->
get_option(node_start).
-spec fsm_limit_opts([proplists:property()]) -> [{max_queue, pos_integer()}].
fsm_limit_opts(Opts) ->
case lists:keyfind(max_fsm_queue, 1, Opts) of
{_, I} when is_integer(I), I>0 ->
[{max_queue, I}];
false ->
case get_option(max_fsm_queue) of
undefined -> [];
N -> [{max_queue, N}]
end
end.
-spec codec_options() -> [xmpp:decode_option()].
codec_options() ->
case get_option(validate_stream) of
true -> [];
false -> [ignore_els]
end.
%% Do not use this function in runtime:
%% It's slow and doesn't read 'version' option from the config.
%% Use ejabberd_option:version() instead.
-spec version() -> binary().
version() ->
case application:get_env(ejabberd, custom_vsn) of
{ok, Vsn0} when is_list(Vsn0) ->
list_to_binary(Vsn0);
{ok, Vsn1} when is_binary(Vsn1) ->
Vsn1;
_ ->
case application:get_key(ejabberd, vsn) of
undefined -> <<"">>;
{ok, Vsn} -> list_to_binary(Vsn)
end
end.
-spec default_db(binary() | global, module()) -> atom().
default_db(Host, Module) ->
default_db(default_db, Host, Module, mnesia).
-spec default_db(binary() | global, module(), atom()) -> atom().
default_db(Host, Module, Default) ->
default_db(default_db, Host, Module, Default).
-spec default_ram_db(binary() | global, module()) -> atom().
default_ram_db(Host, Module) ->
default_db(default_ram_db, Host, Module, mnesia).
-spec default_ram_db(binary() | global, module(), atom()) -> atom().
default_ram_db(Host, Module, Default) ->
default_db(default_ram_db, Host, Module, Default).
-spec default_db(default_db | default_ram_db, binary() | global, module(), atom()) -> atom().
default_db(Opt, Host, Mod, Default) ->
Type = get_option({Opt, Host}),
DBMod = list_to_atom(atom_to_list(Mod) ++ "_" ++ atom_to_list(Type)),
case code:ensure_loaded(DBMod) of
{module, _} -> Type;
{error, _} ->
?WARNING_MSG("Module ~ts doesn't support database '~ts' "
"defined in option '~ts', using "
"'~ts' as fallback", [Mod, Type, Opt, Default]),
Default
end.
-spec beams(local | external | all) -> [module()].
beams(local) ->
{ok, Mods} = application:get_key(ejabberd, modules),
Mods;
beams(external) ->
ExtMods = [Name || {Name, _Details} <- ext_mod:installed()],
lists:foreach(
fun(ExtMod) ->
ExtModPath = ext_mod:module_ebin_dir(ExtMod),
case lists:member(ExtModPath, code:get_path()) of
true -> ok;
false -> code:add_patha(ExtModPath)
end
end, ExtMods),
case application:get_env(ejabberd, external_beams) of
{ok, Path} ->
case lists:member(Path, code:get_path()) of
true -> ok;
false -> code:add_patha(Path)
end,
Beams = filelib:wildcard(filename:join(Path, "*\.beam")),
CustMods = [list_to_atom(filename:rootname(filename:basename(Beam)))
|| Beam <- Beams],
CustMods ++ ExtMods;
_ ->
ExtMods
end;
beams(all) ->
beams(local) ++ beams(external).
-spec may_hide_data(term()) -> term().
may_hide_data(Data) ->
case get_option(hide_sensitive_log_data) of
false -> Data;
true -> "hidden_by_ejabberd"
end.
%% Some Erlang apps expects env parameters to be list and not binary.
%% For example, Mnesia is not able to start if mnesia dir is passed as a binary.
%% However, binary is most common on Elixir, so it is easy to make a setup mistake.
-spec env_binary_to_list(atom(), atom()) -> {ok, any()} | undefined.
env_binary_to_list(Application, Parameter) ->
%% Application need to be loaded to allow setting parameters
application:load(Application),
case application:get_env(Application, Parameter) of
{ok, Val} when is_binary(Val) ->
BVal = binary_to_list(Val),
application:set_env(Application, Parameter, BVal),
{ok, BVal};
Other ->
Other
end.
-spec validators([atom()]) -> {econf:validators(), [atom()]}.
validators(Disallowed) ->
Modules = callback_modules(all),
Validators = lists:foldl(
fun(M, Vs) ->
maps:merge(Vs, validators(M, Disallowed))
end, #{}, Modules),
Required = lists:flatmap(
fun(M) ->
[O || O <- M:options(), is_atom(O)]
end, Modules),
{Validators, Required}.
-spec convert_to_yaml(file:filename()) -> ok | error_return().
convert_to_yaml(File) ->
convert_to_yaml(File, stdout).
-spec convert_to_yaml(file:filename(),
stdout | file:filename()) -> ok | error_return().
convert_to_yaml(File, Output) ->
case read_erlang_file(File, []) of
{ok, Y} ->
dump(Y, Output);
Err ->
Err
end.
-spec format_error(error_return()) -> string().
format_error({error, Reason, Ctx}) ->
econf:format_error(Reason, Ctx);
format_error({error, {merge_conflict, Opt, Host}}) ->
lists:flatten(
io_lib:format(
"Cannot merge value of option '~ts' defined in append_host_config "
"for virtual host ~ts: only options of type list or map are allowed "
"in append_host_config. Hint: specify the option in host_config",
[Opt, Host]));
format_error({error, {old_config, Path, Reason}}) ->
lists:flatten(
io_lib:format(
"Failed to read configuration from '~ts': ~ts~ts",
[Path,
case Reason of
{_, _, _} -> "at line ";
_ -> ""
end, file:format_error(Reason)]));
format_error({error, {write_file, Path, Reason}}) ->
lists:flatten(
io_lib:format(
"Failed to write to '~ts': ~ts",
[Path,
file:format_error(Reason)]));
format_error({error, {exception, Class, Reason, St}}) ->
lists:flatten(
io_lib:format(
"Exception occurred during configuration processing. "
"This is most likely due to faulty/incompatible validator in "
"third-party code. If you are not running any third-party "
"code, please report the bug with ejabberd configuration "
"file attached and the following stacktrace included:~n** ~ts",
[misc:format_exception(2, Class, Reason, St)])).
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec path() -> binary().
path() ->
unicode:characters_to_binary(
case get_env_config() of
{ok, Path} ->
Path;
undefined ->
case os:getenv("EJABBERD_CONFIG_PATH") of
false ->
"ejabberd.yml";
Path ->
Path
end
end).
-spec get_env_config() -> {ok, string()} | undefined.
get_env_config() ->
%% First case: the filename can be specified with: erl -config "/path/to/ejabberd.yml".
case application:get_env(ejabberd, config) of
R = {ok, _Path} -> R;
undefined ->
%% Second case for embbeding ejabberd in another app, for example for Elixir:
%% config :ejabberd,
%% file: "config/ejabberd.yml"
application:get_env(ejabberd, file)
end.
-spec create_tmp_config() -> ok.
create_tmp_config() ->
T = ets:new(options, [private]),
put(ejabberd_options, T),
ok.
-spec get_tmp_config() -> ets:tid() | undefined.
get_tmp_config() ->
get(ejabberd_options).
-spec delete_tmp_config() -> ok.
delete_tmp_config() ->
case get_tmp_config() of
undefined ->
ok;
T ->
erase(ejabberd_options),
ets:delete(T),
ok
end.
-spec callback_modules(local | external | all) -> [module()].
callback_modules(local) ->
[ejabberd_options];
callback_modules(external) ->
lists:filter(
fun(M) ->
case code:ensure_loaded(M) of
{module, _} ->
erlang:function_exported(M, options, 0)
andalso erlang:function_exported(M, opt_type, 1);
{error, _} ->
false
end
end, beams(external));
callback_modules(all) ->
callback_modules(local) ++ callback_modules(external).
-spec validators(module(), [atom()]) -> econf:validators().
validators(Mod, Disallowed) ->
maps:from_list(
lists:filtermap(
fun(O) ->
case lists:member(O, Disallowed) of
true -> false;
false ->
{true,
try {O, Mod:opt_type(O)}
catch _:_ ->
{O, ejabberd_options:opt_type(O)}
end}
end
end, proplists:get_keys(Mod:options()))).
read_file(File) ->
read_file(File, [replace_macros, include_files, include_modules_configs]).
read_file(File, Opts) ->
{Opts1, Opts2} = proplists:split(Opts, [replace_macros, include_files]),
Ret = case filename:extension(File) of
Ex when Ex == <<".yml">> orelse Ex == <<".yaml">> ->
Files = case proplists:get_bool(include_modules_configs, Opts2) of
true -> ext_mod:modules_configs();
false -> []
end,
lists:foreach(
fun(F) ->
?INFO_MSG("Loading third-party configuration from ~ts", [F])
end, Files),
read_yaml_files([File|Files], lists:flatten(Opts1));
_ ->
read_erlang_file(File, lists:flatten(Opts1))
end,
case Ret of
{ok, Y} ->
InstalledModules = maybe_install_contrib_modules(Y),
ValResult = validate(Y),
case InstalledModules of
[] -> ok;
_ -> spawn(fun() -> timer:sleep(5000), ?MODULE:reload() end)
end,
ValResult;
Err ->
Err
end.
read_yaml_files(Files, Opts) ->
ParseOpts = [plain_as_atom | lists:flatten(Opts)],
lists:foldl(
fun(File, {ok, Y1}) ->
case econf:parse(File, #{'_' => econf:any()}, ParseOpts) of
{ok, Y2} -> {ok, Y1 ++ Y2};
Err -> Err
end;
(_, Err) ->
Err
end, {ok, []}, Files).
read_erlang_file(File, _) ->
case ejabberd_old_config:read_file(File) of
{ok, Y} ->
econf:replace_macros(Y);
Err ->
Err
end.
-spec maybe_install_contrib_modules(term()) -> [atom()].
maybe_install_contrib_modules(Options) ->
case {lists:keysearch(allow_contrib_modules, 1, Options),
lists:keysearch(install_contrib_modules, 1, Options)} of
{Allow, {value, {_, InstallContribModules}}}
when (Allow == false) or
(Allow == {value, {allow_contrib_modules, true}}) ->
ext_mod:install_contrib_modules(InstallContribModules, Options);
_ ->
[]
end.
-spec validate(term()) -> {ok, [{atom(), term()}]} | error_return().
validate(Y1) ->
case pre_validate(Y1) of
{ok, Y2} ->
set_loglevel(proplists:get_value(loglevel, Y2, info)),
ejabberd_logger:set_modules_fully_logged(proplists:get_value(log_modules_fully, Y2, [])),
case ejabberd_config_transformer:map_reduce(Y2) of
{ok, Y3} ->
Hosts = proplists:get_value(hosts, Y3),
Version = proplists:get_value(version, Y3, version()),
create_tmp_config(),
set_option(hosts, Hosts),
set_option(host, hd(Hosts)),
set_option(version, Version),
set_option(yaml_config, Y3),
{Validators, Required} = validators([]),
Validator = econf:options(Validators,
[{required, Required},
unique]),
econf:validate(Validator, Y3);
Err ->
Err
end;
Err ->
Err
end.
-spec pre_validate(term()) -> {ok, [{atom(), term()}]} | error_return().
pre_validate(Y1) ->
econf:validate(
econf:and_then(
econf:options(
#{hosts => ejabberd_options:opt_type(hosts),
loglevel => ejabberd_options:opt_type(loglevel),
version => ejabberd_options:opt_type(version),
'_' => econf:any()},
[{required, [hosts]}]),
fun econf:group_dups/1), Y1).
-spec load_file(binary()) -> ok | error_return().
load_file(File) ->
try
case read_file(File) of
{ok, Terms} ->
case set_host_config(Terms) of
{ok, Map} ->
T = get_tmp_config(),
Hosts = get_myhosts(),
apply_defaults(T, Hosts, Map),
case validate_modules(Hosts) of
{ok, ModOpts} ->
ets:insert(T, ModOpts),
set_option(host, hd(Hosts)),
commit(),
set_fqdn();
Err ->
abort(Err)
end;
Err ->
abort(Err)
end;
Err ->
abort(Err)
end
catch ?EX_RULE(Class, Reason, St) ->
{error, {exception, Class, Reason, ?EX_STACK(St)}}
end.
-spec commit() -> ok.
commit() ->
T = get_tmp_config(),
NewOpts = ets:tab2list(T),
ets:insert(ejabberd_options, NewOpts),
delete_tmp_config().
-spec abort(error_return()) -> error_return().
abort(Err) ->
delete_tmp_config(),
try ets:lookup_element(ejabberd_options, {loglevel, global}, 2) of
Level -> set_loglevel(Level)
catch _:badarg ->
ok
end,
Err.
-spec set_host_config([{atom(), term()}]) -> {ok, host_config()} | error_return().
set_host_config(Opts) ->
Map1 = lists:foldl(
fun({Opt, Val}, M) when Opt /= host_config,
Opt /= append_host_config ->
maps:put({Opt, global}, Val, M);
(_, M) ->
M
end, #{}, Opts),
HostOpts = proplists:get_value(host_config, Opts, []),
AppendHostOpts = proplists:get_value(append_host_config, Opts, []),
Map2 = lists:foldl(
fun({Host, Opts1}, M1) ->
lists:foldl(
fun({Opt, Val}, M2) ->
maps:put({Opt, Host}, Val, M2)
end, M1, Opts1)
end, Map1, HostOpts),
Map3 = lists:foldl(
fun(_, {error, _} = Err) ->
Err;
({Host, Opts1}, M1) ->
lists:foldl(
fun(_, {error, _} = Err) ->
Err;
({Opt, L1}, M2) when is_list(L1) ->
L2 = try maps:get({Opt, Host}, M2)
catch _:{badkey, _} ->
maps:get({Opt, global}, M2, [])
end,
L3 = L2 ++ L1,
maps:put({Opt, Host}, L3, M2);
({Opt, _}, _) ->
{error, {merge_conflict, Opt, Host}}
end, M1, Opts1)
end, Map2, AppendHostOpts),
case Map3 of
{error, _} -> Map3;
_ -> {ok, Map3}
end.
-spec apply_defaults(ets:tid(), [binary()], host_config()) -> ok.
apply_defaults(Tab, Hosts, Map) ->
Defaults1 = defaults(),
apply_defaults(Tab, global, Map, Defaults1),
{_, Defaults2} = proplists:split(Defaults1, globals()),
lists:foreach(
fun(Host) ->
set_option(host, Host),
apply_defaults(Tab, Host, Map, Defaults2)
end, Hosts).
-spec apply_defaults(ets:tid(), global | binary(),
host_config(),
[atom() | {atom(), term()}]) -> ok.
apply_defaults(Tab, Host, Map, Defaults) ->
lists:foreach(
fun({Opt, Default}) ->
try maps:get({Opt, Host}, Map) of
Val ->
ets:insert(Tab, {{Opt, Host}, Val})
catch _:{badkey, _} when Host == global ->
Default1 = compute_default(Default, Host),
ets:insert(Tab, {{Opt, Host}, Default1});
_:{badkey, _} ->
try maps:get({Opt, global}, Map) of
V -> ets:insert(Tab, {{Opt, Host}, V})
catch _:{badkey, _} ->
Default1 = compute_default(Default, Host),
ets:insert(Tab, {{Opt, Host}, Default1})
end
end;
(Opt) when Host == global ->
Val = maps:get({Opt, Host}, Map),
ets:insert(Tab, {{Opt, Host}, Val});
(_) ->
ok
end, Defaults).
-spec defaults() -> [atom() | {atom(), term()}].
defaults() ->
lists:foldl(
fun(Mod, Acc) ->
lists:foldl(
fun({Opt, Val}, Acc1) ->
lists:keystore(Opt, 1, Acc1, {Opt, Val});
(Opt, Acc1) ->
case lists:member(Opt, Acc1) of
true -> Acc1;
false -> [Opt|Acc1]
end
end, Acc, Mod:options())
end, ejabberd_options:options(), callback_modules(external)).
-spec globals() -> [atom()].
globals() ->
lists:usort(
lists:flatmap(
fun(Mod) ->
case erlang:function_exported(Mod, globals, 0) of
true -> Mod:globals();
false -> []
end
end, callback_modules(all))).
%% The module validator depends on virtual host, so we have to
%% validate modules in this separate function.
-spec validate_modules([binary()]) -> {ok, list()} | error_return().
validate_modules(Hosts) ->
lists:foldl(
fun(Host, {ok, Acc}) ->
set_option(host, Host),
ModOpts = get_option({modules, Host}),
case gen_mod:validate(Host, ModOpts) of
{ok, ModOpts1} ->
{ok, [{{modules, Host}, ModOpts1}|Acc]};
Err ->
Err
end;
(_, Err) ->
Err
end, {ok, []}, Hosts).
-spec delete_host_options([binary()]) -> ok.
delete_host_options(Hosts) ->
lists:foreach(
fun(Host) ->
ets:match_delete(ejabberd_options, {{'_', Host}, '_'})
end, Hosts).
-spec compute_default(fun((global | binary()) -> T) | T, global | binary()) -> T.
compute_default(F, Host) when is_function(F, 1) ->
F(Host);
compute_default(Val, _) ->
Val.
-spec set_fqdn() -> ok.
set_fqdn() ->
FQDNs = get_option(fqdn),
xmpp:set_config([{fqdn, FQDNs}]).
-spec set_shared_key() -> ok.
set_shared_key() ->
Key = case erlang:get_cookie() of
nocookie ->
str:sha(p1_rand:get_string());
Cookie ->
str:sha(erlang:atom_to_binary(Cookie, latin1))
end,
set_option(shared_key, Key).
-spec set_node_start(integer()) -> ok.
set_node_start(UnixTime) ->
set_option(node_start, UnixTime).
-spec set_loglevel(logger:level()) -> ok.
set_loglevel(Level) ->
ejabberd_logger:set(Level).
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