Use lager on OTP<22.0

This also lowers Erlang/OTP minimum version requirement back to 19.3
pull/3069/head
Evgeny Khramtsov 3 years ago
parent c604bdb897
commit e3962aea6e

@ -107,7 +107,7 @@ To compile ejabberd you need:
- GCC.
- Libexpat ≥ 1.95.
- Libyaml ≥ 0.1.4.
- Erlang/OTP ≥ 21.0.
- Erlang/OTP ≥ 19.3.
- OpenSSL ≥ 1.0.0.
- Zlib ≥ 1.2.3, for Stream Compression support (XEP-0138). Optional.
- PAM library. Optional. For Pluggable Authentication Modules (PAM).

@ -3,7 +3,7 @@
AC_PREREQ(2.53)
AC_INIT(ejabberd, m4_esyscmd([echo `git describe --tags 2>/dev/null || echo 0.0` | sed 's/-g.*//;s/-/./' | tr -d '\012']), [ejabberd@process-one.net], [ejabberd])
REQUIRE_ERLANG_MIN="10.0 (Erlang/OTP 21.0)"
REQUIRE_ERLANG_MIN="8.3 (Erlang/OTP 19.3)"
REQUIRE_ERLANG_MAX="100.0.0 (No Max)"
AC_CONFIG_MACRO_DIR([m4])

@ -83,8 +83,10 @@ ERL_INETRC="$ETC_DIR"/inetrc
# define ejabberd parameters
EJABBERD_OPTS="$EJABBERD_OPTS\
$(sed '/^log_rate_limit/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_rotate_size/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_rotate_count/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")"
$(sed '/^log_rotate_count/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_rotate_date/!d;s/:[ \t]*\(.[^ ]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")"
[ -n "$EJABBERD_OPTS" ] && EJABBERD_OPTS="-ejabberd $EJABBERD_OPTS"
EJABBERD_OPTS="-mnesia dir \"$SPOOL_DIR\" $MNESIA_OPTIONS $EJABBERD_OPTS -s ejabberd"

@ -17,10 +17,28 @@
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-include_lib("kernel/include/logger.hrl").
-define(PRINT(Format, Args), io:format(Format, Args)).
-ifdef(LAGER).
-compile([{parse_transform, lager_transform}]).
-define(DEBUG(Format, Args),
begin lager:debug(Format, Args), ok end).
-define(INFO_MSG(Format, Args),
begin lager:info(Format, Args), ok end).
-define(WARNING_MSG(Format, Args),
begin lager:warning(Format, Args), ok end).
-define(ERROR_MSG(Format, Args),
begin lager:error(Format, Args), ok end).
-define(CRITICAL_MSG(Format, Args),
begin lager:critical(Format, Args), ok end).
-else.
-include_lib("kernel/include/logger.hrl").
-define(DEBUG(Format, Args),
begin ?LOG_DEBUG(Format, Args), ok end).
@ -35,6 +53,7 @@
-define(CRITICAL_MSG(Format, Args),
begin ?LOG_CRITICAL(Format, Args), ok end).
-endif.
%% Use only when trying to troubleshoot test problem with ExUnit
-define(EXUNIT_LOG(Format, Args),

@ -18,7 +18,8 @@
%%%
%%%----------------------------------------------------------------------
{deps, [{p1_utils, ".*", {git, "https://github.com/processone/p1_utils", {tag, "1.0.16"}}},
{deps, [{lager, ".*", {git, "https://github.com/erlang-lager/lager", "3.6.10"}},
{p1_utils, ".*", {git, "https://github.com/processone/p1_utils", {tag, "1.0.16"}}},
{cache_tab, ".*", {git, "https://github.com/processone/cache_tab", {tag, "1.0.20"}}},
{fast_tls, ".*", {git, "https://github.com/processone/fast_tls", {tag, "1.1.2"}}},
{stringprep, ".*", {git, "https://github.com/processone/stringprep", {tag, "1.0.17"}}},
@ -93,6 +94,7 @@
{if_var_true, sip, {d, 'SIP'}},
{if_var_true, stun, {d, 'STUN'}},
{if_version_above, "20", {d, 'DEPRECATED_GET_STACKTRACE'}},
{if_version_below, "22", {d, 'LAGER'}},
{if_var_true, roster_gateway_workaround, {d, 'ROSTER_GATWAY_WORKAROUND'}},
{if_var_match, db_type, mssql, {d, 'mssql'}},
{if_var_true, elixir, {d, 'ELIXIR_ENABLED'}},

@ -6,7 +6,7 @@
{modules, []},
{registered, []},
{applications, [kernel, stdlib, sasl, ssl]},
{included_applications, [os_mon, mnesia, inets, p1_utils, fast_yaml, fast_tls, pkix, xmpp, cache_tab, eimp]},
{included_applications, [os_mon, lager, mnesia, inets, p1_utils, fast_yaml, fast_tls, pkix, xmpp, cache_tab, eimp]},
{env, [{enabled_backends, [@enabled_backends@]}]},
{mod, {ejabberd_app, []}}]}.

@ -49,6 +49,7 @@ stop() ->
application:stop(ejabberd).
halt() ->
application:stop(sasl),
ejabberd_logger:flush(),
erlang:halt(1, [{flush, true}]).

@ -84,6 +84,8 @@ start_included_apps() ->
lists:foreach(
fun(mnesia) ->
ok;
(lager) ->
ok;
(os_mon)->
ok;
(App) ->

@ -25,25 +25,33 @@
-module(ejabberd_logger).
-compile({no_auto_import, [get/0]}).
-include_lib("kernel/include/logger.hrl").
%% API
-export([start/0, get/0, set/1, get_log_path/0, flush/0]).
-export([convert_loglevel/1, loglevels/0]).
-ifndef(LAGER).
-export([progress_filter/2]).
-endif.
%% Deprecated functions
-export([restart/0, reopen_log/0, rotate_log/0]).
-deprecated([{restart, 0},
{reopen_log, 0},
{rotate_log, 0}]).
-type loglevel() :: none | logger:level().
-type loglevel() :: none | emergency | alert | critical |
error | warning | notice | info | debug.
-define(is_loglevel(L),
((L == none) or (L == emergency) or (L == alert)
or (L == critical) or (L == error) or (L == warning)
or (L == notice) or (L == info) or (L == debug))).
-spec restart() -> ok.
-spec reopen_log() -> ok.
-spec rotate_log() -> ok.
-spec get() -> loglevel().
-spec set(0..5 | loglevel()) -> ok.
-spec flush() -> ok.
%%%===================================================================
%%% API
%%%===================================================================
@ -61,20 +69,6 @@ get_log_path() ->
end
end.
-spec get_integer_env(atom(), T) -> T.
get_integer_env(Name, Default) ->
case application:get_env(ejabberd, Name) of
{ok, I} when is_integer(I), I>0 ->
I;
undefined ->
Default;
{ok, Junk} ->
?LOG_ERROR("Wrong value for ~ts: ~p; "
"using ~p as a fallback",
[Name, Junk, Default]),
Default
end.
-spec loglevels() -> [loglevel(), ...].
loglevels() ->
[none, emergency, alert, critical, error, warning, notice, info, debug].
@ -87,11 +81,174 @@ convert_loglevel(3) -> warning;
convert_loglevel(4) -> info;
convert_loglevel(5) -> debug.
-spec get_integer_env(atom(), T) -> T.
get_integer_env(Name, Default) ->
case application:get_env(ejabberd, Name) of
{ok, I} when is_integer(I), I>=0 ->
I;
undefined ->
Default;
{ok, Junk} ->
error_logger:error_msg("wrong value for ~ts: ~p; "
"using ~p as a fallback~n",
[Name, Junk, Default]),
Default
end.
-ifdef(LAGER).
-spec get_string_env(atom(), T) -> T.
get_string_env(Name, Default) ->
case application:get_env(ejabberd, Name) of
{ok, L} when is_list(L) ->
L;
undefined ->
Default;
{ok, Junk} ->
error_logger:error_msg("wrong value for ~ts: ~p; "
"using ~p as a fallback~n",
[Name, Junk, Default]),
Default
end.
-spec start() -> ok.
start() ->
start(info).
-spec start(loglevel()) -> ok.
start(Level) ->
StartedApps = application:which_applications(5000),
case lists:keyfind(logger, 1, StartedApps) of
%% Elixir logger is started. We assume everything is in place
%% to use lager to Elixir logger bridge.
{logger, _, _} ->
error_logger:info_msg("Ignoring ejabberd logger options, using Elixir Logger.", []),
%% Do not start lager, we rely on Elixir Logger
do_start_for_logger(Level);
_ ->
do_start(Level)
end.
do_start_for_logger(Level) ->
application:load(sasl),
application:set_env(sasl, sasl_error_logger, false),
application:load(lager),
application:set_env(lager, error_logger_redirect, false),
application:set_env(lager, error_logger_whitelist, ['Elixir.Logger.ErrorHandler']),
application:set_env(lager, crash_log, false),
application:set_env(lager, handlers, [{elixir_logger_backend, [{level, Level}]}]),
ejabberd:start_app(lager),
ok.
do_start(Level) ->
application:load(sasl),
application:set_env(sasl, sasl_error_logger, false),
application:load(lager),
ConsoleLog = get_log_path(),
Dir = filename:dirname(ConsoleLog),
ErrorLog = filename:join([Dir, "error.log"]),
CrashLog = filename:join([Dir, "crash.log"]),
LogRotateDate = get_string_env(log_rotate_date, ""),
LogRotateSize = get_integer_env(log_rotate_size, 10*1024*1024),
LogRotateCount = get_integer_env(log_rotate_count, 1),
LogRateLimit = get_integer_env(log_rate_limit, 100),
ConsoleLevel = case get_lager_version() >= "3.6.0" of
true -> [{level, Level}];
false -> Level
end,
application:set_env(lager, error_logger_hwm, LogRateLimit),
application:set_env(
lager, handlers,
[{lager_console_backend, ConsoleLevel},
{lager_file_backend, [{file, ConsoleLog}, {level, Level}, {date, LogRotateDate},
{count, LogRotateCount}, {size, LogRotateSize}]},
{lager_file_backend, [{file, ErrorLog}, {level, error}, {date, LogRotateDate},
{count, LogRotateCount}, {size, LogRotateSize}]}]),
application:set_env(lager, crash_log, CrashLog),
application:set_env(lager, crash_log_date, LogRotateDate),
application:set_env(lager, crash_log_size, LogRotateSize),
application:set_env(lager, crash_log_count, LogRotateCount),
ejabberd:start_app(lager),
lists:foreach(fun(Handler) ->
lager:set_loghwm(Handler, LogRateLimit)
end, gen_event:which_handlers(lager_event)).
restart() ->
Level = ejabberd_option:loglevel(),
application:stop(lager),
start(Level).
reopen_log() ->
ok.
rotate_log() ->
catch lager_crash_log ! rotate,
lists:foreach(
fun({lager_file_backend, File}) ->
whereis(lager_event) ! {rotate, File};
(_) ->
ok
end, gen_event:which_handlers(lager_event)).
get() ->
Handlers = get_lager_handlers(),
lists:foldl(fun(lager_console_backend, _Acc) ->
lager:get_loglevel(lager_console_backend);
(elixir_logger_backend, _Acc) ->
lager:get_loglevel(elixir_logger_backend);
(_, Acc) ->
Acc
end,
none, Handlers).
set(N) when is_integer(N), N>=0, N=<5 ->
set(convert_loglevel(N));
set(Level) when ?is_loglevel(Level) ->
case get() of
Level ->
ok;
_ ->
ConsoleLog = get_log_path(),
lists:foreach(
fun({lager_file_backend, File} = H) when File == ConsoleLog ->
lager:set_loglevel(H, Level);
(lager_console_backend = H) ->
lager:set_loglevel(H, Level);
(elixir_logger_backend = H) ->
lager:set_loglevel(H, Level);
(_) ->
ok
end, get_lager_handlers())
end,
case Level of
debug -> xmpp:set_config([{debug, true}]);
_ -> xmpp:set_config([{debug, false}])
end.
get_lager_handlers() ->
case catch gen_event:which_handlers(lager_event) of
{'EXIT',noproc} ->
[];
Result ->
Result
end.
-spec get_lager_version() -> string().
get_lager_version() ->
Apps = application:loaded_applications(),
case lists:keyfind(lager, 1, Apps) of
{_, _, Vsn} -> Vsn;
false -> "0.0.0"
end.
flush() ->
application:stop(lager).
-else.
-include_lib("kernel/include/logger.hrl").
-spec start() -> ok | {error, term()}.
start() ->
start(info).
start(Level) ->
EjabberdLog = get_log_path(),
Dir = filename:dirname(EjabberdLog),
@ -120,14 +277,14 @@ start(Level) ->
end,
case logger:add_handler(ejabberd_log, logger_std_h,
#{level => all,
config => Config#{type => {file, EjabberdLog}},
config => Config#{file => EjabberdLog},
formatter => {logger_formatter, FileFmtConfig}}) of
ok -> ok;
{error, {already_exist, _}} -> ok
end,
case logger:add_handler(error_log, logger_std_h,
#{level => error,
config => Config#{type => {file, ErrorLog}},
config => Config#{file => ErrorLog},
formatter => {logger_formatter, FileFmtConfig}}) of
ok -> ok;
{error, {already_exist, _}} -> ok
@ -167,12 +324,10 @@ reopen_log() ->
rotate_log() ->
ok.
-spec get() -> loglevel().
get() ->
#{level := Level} = logger:get_primary_config(),
Level.
-spec set(0..5 | loglevel()) -> ok.
set(N) when is_integer(N), N>=0, N=<5 ->
set(convert_loglevel(N));
set(Level) when ?is_loglevel(Level) ->
@ -188,7 +343,6 @@ set(Level) when ?is_loglevel(Level) ->
end
end.
-spec flush() -> ok.
flush() ->
lists:foreach(
fun(#{id := HandlerId, module := logger_std_h}) ->
@ -198,3 +352,5 @@ flush() ->
(_) ->
ok
end, logger:get_handler_config()).
-endif.

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