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994 lines
37 KiB
994 lines
37 KiB
-module(rumUtil).
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-include("eRum.hrl").
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-include_lib("kernel/include/file.hrl").
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-export([
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levels/0
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, levelToNum/1
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, levelToChr/1
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, numToLevel/1
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, config_to_mask/1
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, atomCfgToLevels/1
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, maskToLevels/1
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, nowMs/0
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, msToBinStr/0
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, msToBinStr/1
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, parse_rotation_date_spec/1
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, calculate_next_rotation/1
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, validate_trace/1
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, check_traces/4
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, is_loggable/3
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, trace_filter/1
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, trace_filter/2
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, parsePath/1
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, find_file/2
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, check_hwm/1
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, check_hwm/2
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, makeInnerSinkName/1
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, otp_version/0
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, maybe_flush/2
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, has_file_changed/3
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, get_env/2
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]).
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-ifdef(TEST).
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-export([
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create_test_dir/0
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, get_test_dir/0
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, delete_test_dir/0
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, set_dir_permissions/2
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, safe_application_load/1
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, safe_write_file/2
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]).
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-include_lib("eunit/include/eunit.hrl").
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-endif.
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levels() ->
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[debug, info, notice, warning, error, critical, alert, emergency, none].
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levelToNum(debug) -> ?DEBUG;
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levelToNum(info) -> ?INFO;
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levelToNum(notice) -> ?NOTICE;
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levelToNum(warning) -> ?WARNING;
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levelToNum(error) -> ?ERROR;
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levelToNum(critical) -> ?CRITICAL;
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levelToNum(alert) -> ?ALERT;
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levelToNum(emergency) -> ?EMERGENCY;
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levelToNum(none) -> ?LOG_NONE.
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numToLevel(?DEBUG) -> debug;
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numToLevel(?INFO) -> info;
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numToLevel(?NOTICE) -> notice;
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numToLevel(?WARNING) -> warning;
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numToLevel(?ERROR) -> error;
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numToLevel(?CRITICAL) -> critical;
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numToLevel(?ALERT) -> alert;
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numToLevel(?EMERGENCY) -> emergency;
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numToLevel(?LOG_NONE) -> none.
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levelToChr(debug) -> $D;
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levelToChr(info) -> $I;
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levelToChr(notice) -> $N;
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levelToChr(warning) -> $W;
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levelToChr(error) -> $E;
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levelToChr(critical) -> $C;
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levelToChr(alert) -> $A;
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levelToChr(emergency) -> $M;
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levelToChr(none) -> $ .
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-spec config_to_mask(atom()|string()) -> {'mask', integer()}.
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config_to_mask(Conf) ->
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Levels = atomCfgToLevels(Conf),
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levelsToMask(Levels, 0).
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levelsToMask([], Acc) ->
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Acc;
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levelsToMask([Level | Left], Acc) ->
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levelsToMask(Left, levelToNum(Level) bor Acc).
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-spec maskToLevels(non_neg_integer()) -> [rumLevel()].
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maskToLevels(Mask) ->
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maskToLevels(?RumLevels, Mask, []).
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maskToLevels([], _Mask, Acc) ->
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lists:reverse(Acc);
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maskToLevels([Level | Levels], Mask, Acc) ->
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case (levelToNum(Level) band Mask) /= 0 of
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true ->
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maskToLevels(Levels, Mask, [Level | Acc]);
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_ ->
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maskToLevels(Levels, Mask, Acc)
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end.
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-spec atomCfgToLevels(atom()) -> [rumLevel()].
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atomCfgToLevels(Cfg) ->
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binCfgToLevels(atom_to_binary(Cfg, utf8)).
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binCfgToLevels(<<"!", Rest/binary>>) ->
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?RumLevels -- binCfgToLevels(Rest);
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binCfgToLevels(<<"=<", Rest/binary>>) ->
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riseInWhile(?RumLevels, levelBinToAtom(Rest), []);
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binCfgToLevels(<<"<=", Rest/binary>>) ->
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riseInWhile(?RumLevels, levelBinToAtom(Rest), []);
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binCfgToLevels(<<">=", Rest/binary>>) ->
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dropInWhile(?RumLevels, levelBinToAtom(Rest));
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binCfgToLevels(<<"=>", Rest/binary>>) ->
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dropInWhile(?RumLevels, levelBinToAtom(Rest));
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binCfgToLevels(<<"=", Rest/binary>>) ->
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[levelBinToAtom(Rest)];
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binCfgToLevels(<<"<", Rest/binary>>) ->
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riseOutWhile(?RumLevels, levelBinToAtom(Rest), []);
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binCfgToLevels(<<">", Rest/binary>>) ->
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dropOutWhile(?RumLevels, levelBinToAtom(Rest));
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binCfgToLevels(Rest) ->
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[levelBinToAtom(Rest)].
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dropInWhile([], _Level) ->
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[];
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dropInWhile([CurLevel | Left] = Rest, Level) ->
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case CurLevel == Level of
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true ->
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Rest;
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_ ->
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dropInWhile(Left, Level)
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end.
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dropOutWhile([], _Level) ->
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[];
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dropOutWhile([CurLevel | Left], Level) ->
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case CurLevel == Level of
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true ->
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Left;
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_ ->
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dropOutWhile(Left, Level)
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end.
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riseInWhile([], _Level, Acc) ->
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Acc;
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riseInWhile([CurLevel | Left], Level, Acc) ->
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case CurLevel == Level of
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true ->
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[CurLevel | Acc];
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_ ->
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riseInWhile(Left, Level, [CurLevel | Acc])
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end.
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riseOutWhile([], _Level, Acc) ->
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Acc;
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riseOutWhile([CurLevel | Left], Level, Acc) ->
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case CurLevel == Level of
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true ->
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Acc;
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_ ->
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riseOutWhile(Left, Level, [CurLevel | Acc])
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end.
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levelBinToAtom(BinStr) ->
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AtomLevel = binary_to_atom(BinStr, utf8),
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case lists:member(AtomLevel, ?RumLevels) of
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true ->
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AtomLevel;
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_ ->
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erlang:error(badarg)
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end.
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nowMs() ->
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erlang:system_time(millisecond).
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msToBinStr() ->
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msToBinStr(nowMs()).
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msToBinStr(MsTick) ->
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ThisSec = MsTick div 1000,
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ThisMs = MsTick rem 1000,
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{{Y, M, D}, {H, Mi, S}} = erlang:universaltime_to_localtime(erlang:posixtime_to_universaltime(ThisSec)),
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<<(integer_to_binary(Y))/binary, "-", (i2b(M))/binary, "-", (i2b(D))/binary, " ", (i2b(H))/binary, ":", (i2b(Mi))/binary, ":", (i2b(S))/binary, ".", (i3b(ThisMs))/binary>>.
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i2b(Num) ->
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if
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Num < 10 ->
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<<"0", (integer_to_binary(Num))/binary>>;
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true ->
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integer_to_binary(Num)
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end.
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i3b(Num) ->
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if
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Num < 10 ->
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<<"00", (integer_to_binary(Num))/binary>>;
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Num < 100 ->
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<<"0", (integer_to_binary(Num))/binary>>;
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true ->
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integer_to_binary(Num)
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end.
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parse_rotation_hour_spec([], Res) ->
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{ok, Res};
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parse_rotation_hour_spec([$H, M1, M2], Res) ->
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case list_to_integer([M1, M2]) of
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X when X >= 0, X =< 59 ->
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{ok, Res ++ [{minute, X}]};
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_ ->
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{error, invalid_date_spec}
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end;
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parse_rotation_hour_spec([$H, M], Res) when M >= $0, M =< $9 ->
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{ok, Res ++ [{minute, M - 48}]};
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parse_rotation_hour_spec(_, _) ->
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{error, invalid_date_spec}.
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%% Default to 00:00:00 rotation
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parse_rotation_day_spec([], Res) ->
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{ok, Res ++ [{hour, 0}]};
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parse_rotation_day_spec([$D, D1, D2 | T], Res) ->
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case list_to_integer([D1, D2]) of
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X when X >= 0, X =< 23 ->
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parse_rotation_hour_spec(T, Res ++ [{hour, X}]);
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_ ->
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{error, invalid_date_spec}
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end;
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parse_rotation_day_spec([$D, D | T], Res) when D >= $0, D =< $9 ->
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parse_rotation_hour_spec(T, Res ++ [{hour, D - 48}]);
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parse_rotation_day_spec(X, Res) ->
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parse_rotation_hour_spec(X, Res).
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parse_rotation_date_spec([$$, $W, W | T]) when W >= $0, W =< $6 ->
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Week = W - 48,
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parse_rotation_day_spec(T, [{day, Week}]);
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parse_rotation_date_spec([$$, $M, L | T]) when L == $L; L == $l ->
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%% last day in month.
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parse_rotation_day_spec(T, [{date, last}]);
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parse_rotation_date_spec([$$, $M, M1, M2 | [$D | _] = T]) ->
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case list_to_integer([M1, M2]) of
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X when X >= 1, X =< 31 ->
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parse_rotation_day_spec(T, [{date, X}]);
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_ ->
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{error, invalid_date_spec}
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end;
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parse_rotation_date_spec([$$, $M, M | [$D | _] = T]) ->
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parse_rotation_day_spec(T, [{date, M - 48}]);
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parse_rotation_date_spec([$$, $M, M1, M2]) ->
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case list_to_integer([M1, M2]) of
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X when X >= 1, X =< 31 ->
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{ok, [{date, X}, {hour, 0}]};
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_ ->
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{error, invalid_date_spec}
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end;
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parse_rotation_date_spec([$$, $M, M]) ->
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{ok, [{date, M - 48}, {hour, 0}]};
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parse_rotation_date_spec([$$ | X]) when X /= [] ->
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parse_rotation_day_spec(X, []);
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parse_rotation_date_spec(_) ->
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{error, invalid_date_spec}.
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calculate_next_rotation(Spec) ->
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Now = calendar:local_time(),
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Later = calculate_next_rotation(Spec, Now),
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calendar:datetime_to_gregorian_seconds(Later) -
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calendar:datetime_to_gregorian_seconds(Now).
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calculate_next_rotation([], Now) ->
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Now;
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calculate_next_rotation([{minute, X} | T], {{_, _, _}, {Hour, Minute, _}} = Now) when Minute < X ->
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%% rotation is this hour
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NewNow = setelement(2, Now, {Hour, X, 0}),
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calculate_next_rotation(T, NewNow);
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calculate_next_rotation([{minute, X} | T], Now) ->
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%% rotation is next hour
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Seconds = calendar:datetime_to_gregorian_seconds(Now) + 3600,
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DateTime = calendar:gregorian_seconds_to_datetime(Seconds),
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{_, {NewHour, _, _}} = DateTime,
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NewNow = setelement(2, DateTime, {NewHour, X, 0}),
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calculate_next_rotation(T, NewNow);
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calculate_next_rotation([{hour, X} | T], {{_, _, _}, {Hour, _, _}} = Now) when Hour < X ->
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%% rotation is today, sometime
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NewNow = setelement(2, Now, {X, 0, 0}),
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calculate_next_rotation(T, NewNow);
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calculate_next_rotation([{hour, X} | T], {{_, _, _}, _} = Now) ->
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%% rotation is not today
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Seconds = calendar:datetime_to_gregorian_seconds(Now) + 86400,
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DateTime = calendar:gregorian_seconds_to_datetime(Seconds),
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NewNow = setelement(2, DateTime, {X, 0, 0}),
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calculate_next_rotation(T, NewNow);
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calculate_next_rotation([{day, Day} | T], {Date, _Time} = Now) ->
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DoW = calendar:day_of_the_week(Date),
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AdjustedDay = case Day of
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0 -> 7;
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X -> X
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end,
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case AdjustedDay of
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DoW -> %% rotation is today
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case calculate_next_rotation(T, Now) of
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{Date, _} = NewNow -> NewNow;
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{NewDate, _} ->
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%% rotation *isn't* today! rerun the calculation
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NewNow = {NewDate, {0, 0, 0}},
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calculate_next_rotation([{day, Day} | T], NewNow)
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end;
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Y when Y > DoW -> %% rotation is later this week
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PlusDays = Y - DoW,
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Seconds = calendar:datetime_to_gregorian_seconds(Now) + (86400 * PlusDays),
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{NewDate, _} = calendar:gregorian_seconds_to_datetime(Seconds),
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NewNow = {NewDate, {0, 0, 0}},
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calculate_next_rotation(T, NewNow);
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Y when Y < DoW -> %% rotation is next week
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PlusDays = ((7 - DoW) + Y),
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Seconds = calendar:datetime_to_gregorian_seconds(Now) + (86400 * PlusDays),
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{NewDate, _} = calendar:gregorian_seconds_to_datetime(Seconds),
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NewNow = {NewDate, {0, 0, 0}},
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calculate_next_rotation(T, NewNow)
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end;
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calculate_next_rotation([{date, last} | T], {{Year, Month, Day}, _} = Now) ->
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Last = calendar:last_day_of_the_month(Year, Month),
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case Last == Day of
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true -> %% doing rotation today
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case calculate_next_rotation(T, Now) of
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{{Year, Month, Day}, _} = NewNow -> NewNow;
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{NewDate, _} ->
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%% rotation *isn't* today! rerun the calculation
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NewNow = {NewDate, {0, 0, 0}},
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calculate_next_rotation([{date, last} | T], NewNow)
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end;
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false ->
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NewNow = setelement(1, Now, {Year, Month, Last}),
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calculate_next_rotation(T, NewNow)
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end;
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calculate_next_rotation([{date, Date} | T], {{Year, Month, Date}, _} = Now) ->
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%% rotation is today
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case calculate_next_rotation(T, Now) of
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{{Year, Month, Date}, _} = NewNow -> NewNow;
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{NewDate, _} ->
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%% rotation *isn't* today! rerun the calculation
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NewNow = setelement(1, Now, NewDate),
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calculate_next_rotation([{date, Date} | T], NewNow)
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end;
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calculate_next_rotation([{date, Date} | T], {{Year, Month, Day}, _} = Now) ->
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PlusDays = case Date of
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X when X < Day -> %% rotation is next month
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Last = calendar:last_day_of_the_month(Year, Month),
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(Last - Day);
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X when X > Day -> %% rotation is later this month
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X - Day
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end,
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Seconds = calendar:datetime_to_gregorian_seconds(Now) + (86400 * PlusDays),
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NewNow = calendar:gregorian_seconds_to_datetime(Seconds),
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calculate_next_rotation(T, NewNow).
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-spec trace_filter(Query :: 'none' | [tuple()]) -> {ok, any()}.
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trace_filter(Query) ->
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trace_filter(?RumDefTracer, Query).
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%% TODO: Support multiple trace modules
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%-spec trace_filter(Module :: atom(), Query :: 'none' | [tuple()]) -> {ok, any()}.
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trace_filter(Module, Query) when Query == none; Query == [] ->
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{ok, _} = glc:compile(Module, glc:null(false));
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trace_filter(Module, Query) when is_list(Query) ->
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{ok, _} = glc:compile(Module, glc_lib:reduce(trace_any(Query))).
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validate_trace({Filter, Level, {Destination, ID}}) when is_tuple(Filter); is_list(Filter), is_atom(Level), is_atom(Destination) ->
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case validate_trace({Filter, Level, Destination}) of
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{ok, {F, L, D}} ->
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{ok, {F, L, {D, ID}}};
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Error ->
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Error
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end;
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validate_trace({Filter, Level, Destination}) when is_tuple(Filter); is_list(Filter), is_atom(Level), is_atom(Destination) ->
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ValidFilter = validate_trace_filter(Filter),
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try config_to_mask(Level) of
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_ when not ValidFilter ->
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{error, invalid_trace};
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L when is_list(Filter) ->
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{ok, {trace_all(Filter), L, Destination}};
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L ->
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{ok, {Filter, L, Destination}}
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catch
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_:_ ->
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{error, invalid_level}
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end;
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validate_trace(_) ->
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{error, invalid_trace}.
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validate_trace_filter(Filter) when is_tuple(Filter), is_atom(element(1, Filter)) =:= false ->
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false;
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validate_trace_filter(Filter) when is_list(Filter) ->
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lists:all(fun validate_trace_filter/1, Filter);
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validate_trace_filter({Key, '*'}) when is_atom(Key) -> true;
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validate_trace_filter({any, L}) when is_list(L) -> lists:all(fun validate_trace_filter/1, L);
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validate_trace_filter({all, L}) when is_list(L) -> lists:all(fun validate_trace_filter/1, L);
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validate_trace_filter({null, Bool}) when is_boolean(Bool) -> true;
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validate_trace_filter({Key, _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '=', _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '!=', _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '<', _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '=<', _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '>', _Value}) when is_atom(Key) -> true;
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validate_trace_filter({Key, '>=', _Value}) when is_atom(Key) -> true;
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validate_trace_filter(_) -> false.
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trace_all(Query) ->
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glc:all(trace_acc(Query)).
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trace_any(Query) ->
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glc:any(Query).
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trace_acc(Query) ->
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trace_acc(Query, []).
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trace_acc([], Acc) ->
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lists:reverse(Acc);
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trace_acc([{any, L} | T], Acc) ->
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trace_acc(T, [glc:any(L) | Acc]);
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trace_acc([{all, L} | T], Acc) ->
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trace_acc(T, [glc:all(L) | Acc]);
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trace_acc([{null, Bool} | T], Acc) ->
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trace_acc(T, [glc:null(Bool) | Acc]);
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trace_acc([{Key, '*'} | T], Acc) ->
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trace_acc(T, [glc:wc(Key) | Acc]);
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trace_acc([{Key, '!'} | T], Acc) ->
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trace_acc(T, [glc:nf(Key) | Acc]);
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trace_acc([{Key, Val} | T], Acc) ->
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trace_acc(T, [glc:eq(Key, Val) | Acc]);
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trace_acc([{Key, '=', Val} | T], Acc) ->
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trace_acc(T, [glc:eq(Key, Val) | Acc]);
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trace_acc([{Key, '!=', Val} | T], Acc) ->
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trace_acc(T, [glc:neq(Key, Val) | Acc]);
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trace_acc([{Key, '>', Val} | T], Acc) ->
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trace_acc(T, [glc:gt(Key, Val) | Acc]);
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trace_acc([{Key, '>=', Val} | T], Acc) ->
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trace_acc(T, [glc:gte(Key, Val) | Acc]);
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trace_acc([{Key, '=<', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:lte(Key, Val) | Acc]);
|
|
trace_acc([{Key, '<', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:lt(Key, Val) | Acc]).
|
|
|
|
check_traces(_, _, [], Acc) ->
|
|
lists:flatten(Acc);
|
|
check_traces(Attrs, Level, [{_, {mask, FilterLevel}, _} | Flows], Acc) when (Level band FilterLevel) == 0 ->
|
|
check_traces(Attrs, Level, Flows, Acc);
|
|
check_traces(Attrs, Level, [{Filter, _, _} | Flows], Acc) when length(Attrs) < length(Filter) ->
|
|
check_traces(Attrs, Level, Flows, Acc);
|
|
check_traces(Attrs, Level, [Flow | Flows], Acc) ->
|
|
check_traces(Attrs, Level, Flows, [check_trace(Attrs, Flow) | Acc]).
|
|
|
|
check_trace(Attrs, {Filter, _Level, Dest}) when is_list(Filter) ->
|
|
check_trace(Attrs, {trace_all(Filter), _Level, Dest});
|
|
|
|
check_trace(Attrs, {Filter, _Level, Dest}) when is_tuple(Filter) ->
|
|
Made = gre:make(Attrs, [list]),
|
|
glc:handle(?RumDefTracer, Made),
|
|
Match = glc_lib:matches(Filter, Made),
|
|
case Match of
|
|
true ->
|
|
Dest;
|
|
false ->
|
|
[]
|
|
end.
|
|
|
|
-spec is_loggable(rumMsg:rumMsg(), non_neg_integer()|{'mask', non_neg_integer()}, term()) -> boolean().
|
|
is_loggable(Msg, {mask, Mask}, MyName) ->
|
|
%% using syslog style comparison flags
|
|
%S = lager_msg:severity_as_int(Msg),
|
|
%?debugFmt("comparing masks ~.2B and ~.2B -> ~p~n", [S, Mask, S band Mask]),
|
|
(rumMsg:severity_as_int(Msg) band Mask) /= 0 orelse
|
|
lists:member(MyName, rumMsg:destinations(Msg));
|
|
is_loggable(Msg, SeverityThreshold, MyName) when is_atom(SeverityThreshold) ->
|
|
is_loggable(Msg, levelToNum(SeverityThreshold), MyName);
|
|
is_loggable(Msg, SeverityThreshold, MyName) when is_integer(SeverityThreshold) ->
|
|
rumMsg:severity_as_int(Msg) =< SeverityThreshold orelse
|
|
lists:member(MyName, rumMsg:destinations(Msg)).
|
|
|
|
parsePath(RelPath) ->
|
|
NewRelPath =
|
|
case rumUtil:get_env(logRoot, undefined) of
|
|
undefined ->
|
|
RelPath;
|
|
LogRoot ->
|
|
case filename:dirname(RelPath) of
|
|
"." ->
|
|
filename:join(LogRoot, RelPath);
|
|
false ->
|
|
RelPath
|
|
end
|
|
end,
|
|
filename:absname(NewRelPath).
|
|
|
|
%% Find a file among the already installed handlers.
|
|
%%
|
|
%% The file is already expanded (i.e. lager_util:expand_path already added the
|
|
%% "logRoot"), but the file paths inside Handlers are not.
|
|
find_file(_File1, _Handlers = []) ->
|
|
false;
|
|
find_file(File1, [{{lager_file_backend, File2}, _Handler, _Sink} = HandlerInfo | Handlers]) ->
|
|
File1Abs = File1,
|
|
File2Abs = lager_util:expand_path(File2),
|
|
case File1Abs =:= File2Abs of
|
|
true ->
|
|
% The file inside HandlerInfo is the same as the file we are looking
|
|
% for, so we are done.
|
|
HandlerInfo;
|
|
false ->
|
|
find_file(File1, Handlers)
|
|
end;
|
|
find_file(File1, [_HandlerInfo | Handlers]) ->
|
|
find_file(File1, Handlers).
|
|
|
|
%% conditionally check the HWM if the event would not have been filtered
|
|
check_hwm(Shaper = #rumShaper{filter = Filter}, Event) ->
|
|
case Filter(Event) of
|
|
true ->
|
|
{true, 0, Shaper};
|
|
false ->
|
|
check_hwm(Shaper)
|
|
end.
|
|
|
|
%% Log rate limit, i.e. high water mark for incoming messages
|
|
|
|
check_hwm(Shaper = #rumShaper{hwm = undefined}) ->
|
|
{true, 0, Shaper};
|
|
check_hwm(Shaper = #rumShaper{mps = Mps, hwm = Hwm, lastTime = Last}) when Mps < Hwm ->
|
|
{M, S, _} = Now = os:timestamp(),
|
|
case Last of
|
|
{M, S, _} ->
|
|
{true, 0, Shaper#rumShaper{mps = Mps + 1}};
|
|
_ ->
|
|
%different second - reset mps
|
|
{true, 0, Shaper#rumShaper{mps = 1, lastTime = Now}}
|
|
end;
|
|
check_hwm(Shaper = #rumShaper{lastTime = Last, dropped = Drop}) ->
|
|
%% are we still in the same second?
|
|
{M, S, _} = Now = os:timestamp(),
|
|
case Last of
|
|
{M, S, N} ->
|
|
%% still in same second, but have exceeded the high water mark
|
|
NewDrops = case should_flush(Shaper) of
|
|
true ->
|
|
discard_messages(Now, Shaper#rumShaper.filter, 0);
|
|
false ->
|
|
0
|
|
end,
|
|
Timer = case erlang:read_timer(Shaper#rumShaper.timer) of
|
|
false ->
|
|
erlang:send_after(trunc((1000000 - N) / 1000), self(), {shaper_expired, Shaper#rumShaper.id});
|
|
_ ->
|
|
Shaper#rumShaper.timer
|
|
end,
|
|
{false, 0, Shaper#rumShaper{dropped = Drop + NewDrops, timer = Timer}};
|
|
_ ->
|
|
_ = erlang:cancel_timer(Shaper#rumShaper.timer),
|
|
%% different second, reset all counters and allow it
|
|
{true, Drop, Shaper#rumShaper{dropped = 0, mps = 0, lastTime = Now}}
|
|
end.
|
|
|
|
should_flush(#rumShaper{flushQueue = true, flushThreshold = 0}) ->
|
|
true;
|
|
should_flush(#rumShaper{flushQueue = true, flushThreshold = T}) ->
|
|
{_, L} = process_info(self(), message_queue_len),
|
|
L > T;
|
|
should_flush(_) ->
|
|
false.
|
|
|
|
discard_messages(Second, Filter, Count) ->
|
|
{M, S, _} = os:timestamp(),
|
|
case Second of
|
|
{M, S, _} ->
|
|
receive
|
|
%% we only discard gen_event notifications, because
|
|
%% otherwise we might discard gen_event internal
|
|
%% messages, such as trapped EXITs
|
|
{notify, Event} ->
|
|
NewCount = case Filter(Event) of
|
|
false -> Count + 1;
|
|
true -> Count
|
|
end,
|
|
discard_messages(Second, Filter, NewCount)
|
|
after 0 ->
|
|
Count
|
|
end;
|
|
_ ->
|
|
Count
|
|
end.
|
|
|
|
%% @private Build an atom for the gen_event process based on a sink name.
|
|
%% For historical reasons, the default gen_event process for lager itself is named
|
|
%% `lager_event'. For all other sinks, it is SinkName++`_lager_event'
|
|
makeInnerSinkName(Sink) ->
|
|
binary_to_atom(<<(atom_to_binary(Sink, utf8))/binary, "Event">>).
|
|
|
|
-spec otp_version() -> pos_integer().
|
|
%% @doc Return the major version of the current Erlang/OTP runtime as an integer.
|
|
otp_version() ->
|
|
{Vsn, _} = string:to_integer(
|
|
case erlang:system_info(otp_release) of
|
|
[$R | Rel] ->
|
|
Rel;
|
|
Rel ->
|
|
Rel
|
|
end),
|
|
Vsn.
|
|
|
|
maybe_flush(undefined, #rumShaper{} = S) ->
|
|
S;
|
|
maybe_flush(Flag, #rumShaper{} = S) when is_boolean(Flag) ->
|
|
S#rumShaper{flushQueue = Flag}.
|
|
|
|
-spec has_file_changed(Name :: file:name_all(),
|
|
Inode0 :: pos_integer(),
|
|
Ctime0 :: file:date_time()) -> {boolean(), file:file_info() | undefined}.
|
|
has_file_changed(Name, Inode0, Ctime0) ->
|
|
{OsType, _} = os:type(),
|
|
F = file:read_file_info(Name, [raw]),
|
|
case {OsType, F} of
|
|
{win32, {ok, #file_info{ctime = Ctime1} = FInfo}} ->
|
|
% Note: on win32, Inode is always zero
|
|
% So check the file's ctime to see if it
|
|
% needs to be re-opened
|
|
Changed = Ctime0 =/= Ctime1,
|
|
{Changed, FInfo};
|
|
{_, {ok, #file_info{inode = Inode1} = FInfo}} ->
|
|
Changed = Inode0 =/= Inode1,
|
|
{Changed, FInfo};
|
|
{_, _} ->
|
|
{true, undefined}
|
|
end.
|
|
|
|
-spec get_env(Par :: atom(), Def :: term()) -> Val :: term().
|
|
get_env(Key, Def) ->
|
|
case application:get_env(?RumAppName, Key) of
|
|
{ok, Val} ->
|
|
Val;
|
|
_ ->
|
|
Def
|
|
end.
|
|
|
|
-ifdef(TEST).
|
|
|
|
parse_test() ->
|
|
?assertEqual({ok, [{minute, 0}]}, parse_rotation_date_spec("$H0")),
|
|
?assertEqual({ok, [{minute, 59}]}, parse_rotation_date_spec("$H59")),
|
|
?assertEqual({ok, [{hour, 0}]}, parse_rotation_date_spec("$D0")),
|
|
?assertEqual({ok, [{hour, 23}]}, parse_rotation_date_spec("$D23")),
|
|
?assertEqual({ok, [{day, 0}, {hour, 23}]}, parse_rotation_date_spec("$W0D23")),
|
|
?assertEqual({ok, [{day, 5}, {hour, 16}]}, parse_rotation_date_spec("$W5D16")),
|
|
?assertEqual({ok, [{day, 0}, {hour, 12}, {minute, 30}]}, parse_rotation_date_spec("$W0D12H30")),
|
|
?assertEqual({ok, [{date, 1}, {hour, 0}]}, parse_rotation_date_spec("$M1D0")),
|
|
?assertEqual({ok, [{date, 5}, {hour, 6}]}, parse_rotation_date_spec("$M5D6")),
|
|
?assertEqual({ok, [{date, 5}, {hour, 0}]}, parse_rotation_date_spec("$M5")),
|
|
?assertEqual({ok, [{date, 31}, {hour, 0}]}, parse_rotation_date_spec("$M31")),
|
|
?assertEqual({ok, [{date, 31}, {hour, 1}]}, parse_rotation_date_spec("$M31D1")),
|
|
?assertEqual({ok, [{date, last}, {hour, 0}]}, parse_rotation_date_spec("$ML")),
|
|
?assertEqual({ok, [{date, last}, {hour, 0}]}, parse_rotation_date_spec("$Ml")),
|
|
?assertEqual({ok, [{day, 5}, {hour, 0}]}, parse_rotation_date_spec("$W5")),
|
|
ok.
|
|
|
|
parse_fail_test() ->
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$H")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$H60")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$D")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$D24")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$W7")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$W7D1")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$M32")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$M32D1")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$D15M5")),
|
|
?assertEqual({error, invalid_date_spec}, parse_rotation_date_spec("$M5W5")),
|
|
ok.
|
|
|
|
rotation_calculation_test() ->
|
|
?assertMatch({{2000, 1, 1}, {13, 0, 0}},
|
|
calculate_next_rotation([{minute, 0}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 1}, {12, 45, 0}},
|
|
calculate_next_rotation([{minute, 45}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 2}, {0, 0, 0}},
|
|
calculate_next_rotation([{minute, 0}], {{2000, 1, 1}, {23, 45, 43}})),
|
|
?assertMatch({{2000, 1, 2}, {0, 0, 0}},
|
|
calculate_next_rotation([{hour, 0}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 1}, {16, 0, 0}},
|
|
calculate_next_rotation([{hour, 16}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 2}, {12, 0, 0}},
|
|
calculate_next_rotation([{hour, 12}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 2, 1}, {12, 0, 0}},
|
|
calculate_next_rotation([{date, 1}, {hour, 12}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 2, 1}, {12, 0, 0}},
|
|
calculate_next_rotation([{date, 1}, {hour, 12}], {{2000, 1, 15}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 2, 1}, {12, 0, 0}},
|
|
calculate_next_rotation([{date, 1}, {hour, 12}], {{2000, 1, 2}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 2, 1}, {12, 0, 0}},
|
|
calculate_next_rotation([{date, 1}, {hour, 12}], {{2000, 1, 31}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 1}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, 1}, {hour, 16}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 15}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, 15}, {hour, 16}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 31}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, last}, {hour, 16}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 31}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, last}, {hour, 16}], {{2000, 1, 31}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 2, 29}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, last}, {hour, 16}], {{2000, 1, 31}, {17, 34, 43}})),
|
|
?assertMatch({{2001, 2, 28}, {16, 0, 0}},
|
|
calculate_next_rotation([{date, last}, {hour, 16}], {{2001, 1, 31}, {17, 34, 43}})),
|
|
|
|
?assertMatch({{2000, 1, 1}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 6}, {hour, 16}], {{2000, 1, 1}, {12, 34, 43}})),
|
|
?assertMatch({{2000, 1, 8}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 6}, {hour, 16}], {{2000, 1, 1}, {17, 34, 43}})),
|
|
?assertMatch({{2000, 1, 7}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 5}, {hour, 16}], {{2000, 1, 1}, {17, 34, 43}})),
|
|
?assertMatch({{2000, 1, 3}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 1}, {hour, 16}], {{2000, 1, 1}, {17, 34, 43}})),
|
|
?assertMatch({{2000, 1, 2}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 0}, {hour, 16}], {{2000, 1, 1}, {17, 34, 43}})),
|
|
?assertMatch({{2000, 1, 9}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 0}, {hour, 16}], {{2000, 1, 2}, {17, 34, 43}})),
|
|
?assertMatch({{2000, 2, 3}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 4}, {hour, 16}], {{2000, 1, 29}, {17, 34, 43}})),
|
|
|
|
?assertMatch({{2000, 1, 7}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 5}, {hour, 16}], {{2000, 1, 3}, {17, 34, 43}})),
|
|
|
|
?assertMatch({{2000, 1, 3}, {16, 0, 0}},
|
|
calculate_next_rotation([{day, 1}, {hour, 16}], {{1999, 12, 28}, {17, 34, 43}})),
|
|
ok.
|
|
|
|
check_trace_test() ->
|
|
eRum:start(),
|
|
trace_filter(none),
|
|
%% match by module
|
|
?assertEqual([foo], check_traces([{module, ?MODULE}], ?EMERGENCY, [
|
|
{[{module, ?MODULE}], config_to_mask(emergency), foo},
|
|
{[{module, test}], config_to_mask(emergency), bar}], [])),
|
|
%% match by module, but other unsatisfyable attribute
|
|
?assertEqual([], check_traces([{module, ?MODULE}], ?EMERGENCY, [
|
|
{[{module, ?MODULE}, {foo, bar}], config_to_mask(emergency), foo},
|
|
{[{module, test}], config_to_mask(emergency), bar}], [])),
|
|
%% match by wildcard module
|
|
?assertEqual([bar], check_traces([{module, ?MODULE}], ?EMERGENCY, [
|
|
{[{module, ?MODULE}, {foo, bar}], config_to_mask(emergency), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
%% wildcard module, one trace with unsatisfyable attribute
|
|
?assertEqual([bar], check_traces([{module, ?MODULE}], ?EMERGENCY, [
|
|
{[{module, '*'}, {foo, bar}], config_to_mask(emergency), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
%% wildcard but not present custom trace attribute
|
|
?assertEqual([bar], check_traces([{module, ?MODULE}], ?EMERGENCY, [
|
|
{[{module, '*'}, {foo, '*'}], config_to_mask(emergency), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
%% wildcarding a custom attribute works when it is present
|
|
?assertEqual([bar, foo], check_traces([{module, ?MODULE}, {foo, bar}], ?EMERGENCY, [
|
|
{[{module, '*'}, {foo, '*'}], config_to_mask(emergency), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
%% denied by level
|
|
?assertEqual([], check_traces([{module, ?MODULE}, {foo, bar}], ?INFO, [
|
|
{[{module, '*'}, {foo, '*'}], config_to_mask(emergency), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
%% allowed by level
|
|
?assertEqual([foo], check_traces([{module, ?MODULE}, {foo, bar}], ?INFO, [
|
|
{[{module, '*'}, {foo, '*'}], config_to_mask(debug), foo},
|
|
{[{module, '*'}], config_to_mask(emergency), bar}], [])),
|
|
?assertEqual([anythingbutnotice, infoandbelow, infoonly], check_traces([{module, ?MODULE}], ?INFO, [
|
|
{[{module, '*'}], config_to_mask('=debug'), debugonly},
|
|
{[{module, '*'}], config_to_mask('=info'), infoonly},
|
|
{[{module, '*'}], config_to_mask('<=info'), infoandbelow},
|
|
{[{module, '*'}], config_to_mask('!=info'), anythingbutinfo},
|
|
{[{module, '*'}], config_to_mask('!=notice'), anythingbutnotice}
|
|
], [])),
|
|
application:stop(lager),
|
|
application:stop(goldrush),
|
|
ok.
|
|
|
|
is_loggable_test_() ->
|
|
[
|
|
{"Loggable by severity only", ?_assert(is_loggable(rumMsg:new("", alert, [], []), 2, me))},
|
|
{"Not loggable by severity only", ?_assertNot(is_loggable(rumMsg:new("", critical, [], []), 1, me))},
|
|
{"Loggable by severity with destination", ?_assert(is_loggable(rumMsg:new("", alert, [], [you]), 2, me))},
|
|
{"Not loggable by severity with destination", ?_assertNot(is_loggable(rumMsg:new("", critical, [], [you]), 1, me))},
|
|
{"Loggable by destination overriding severity", ?_assert(is_loggable(rumMsg:new("", critical, [], [me]), 1, me))}
|
|
].
|
|
|
|
format_time_test_() ->
|
|
[
|
|
?_assertEqual("2012-10-04 11:16:23.002",
|
|
begin
|
|
{D, T} = msToBinStr({{2012, 10, 04}, {11, 16, 23, 2}}),
|
|
lists:flatten([D, $ , T])
|
|
end),
|
|
?_assertEqual("2012-10-04 11:16:23.999",
|
|
begin
|
|
{D, T} = msToBinStr({{2012, 10, 04}, {11, 16, 23, 999}}),
|
|
lists:flatten([D, $ , T])
|
|
end),
|
|
?_assertEqual("2012-10-04 11:16:23",
|
|
begin
|
|
{D, T} = msToBinStr({{2012, 10, 04}, {11, 16, 23}}),
|
|
lists:flatten([D, $ , T])
|
|
end),
|
|
?_assertEqual("2012-10-04 00:16:23.092 UTC",
|
|
begin
|
|
{D, T} = msToBinStr({utc, {{2012, 10, 04}, {0, 16, 23, 92}}}),
|
|
lists:flatten([D, $ , T])
|
|
end),
|
|
?_assertEqual("2012-10-04 11:16:23 UTC",
|
|
begin
|
|
{D, T} = msToBinStr({utc, {{2012, 10, 04}, {11, 16, 23}}}),
|
|
lists:flatten([D, $ , T])
|
|
end)
|
|
].
|
|
|
|
config_to_levels_test() ->
|
|
?assertEqual([none], atomCfgToLevels('none')),
|
|
?assertEqual({mask, 0}, config_to_mask('none')),
|
|
?assertEqual([debug], atomCfgToLevels('=debug')),
|
|
?assertEqual([debug], atomCfgToLevels('<info')),
|
|
?assertEqual(levels() -- [debug], atomCfgToLevels('!=debug')),
|
|
?assertEqual(levels() -- [debug], atomCfgToLevels('>debug')),
|
|
?assertEqual(levels() -- [debug], atomCfgToLevels('>=info')),
|
|
?assertEqual(levels() -- [debug], atomCfgToLevels('=>info')),
|
|
?assertEqual([debug, info, notice], atomCfgToLevels('<=notice')),
|
|
?assertEqual([debug, info, notice], atomCfgToLevels('=<notice')),
|
|
?assertEqual([debug], atomCfgToLevels('<info')),
|
|
?assertEqual([debug], atomCfgToLevels('!info')),
|
|
?assertError(badarg, atomCfgToLevels(ok)),
|
|
?assertError(badarg, atomCfgToLevels('<=>info')),
|
|
?assertError(badarg, atomCfgToLevels('=<=info')),
|
|
?assertError(badarg, atomCfgToLevels('<==>=<=>info')),
|
|
%% double negatives DO work, however
|
|
?assertEqual([debug], atomCfgToLevels('!!=debug')),
|
|
?assertEqual(levels() -- [debug], atomCfgToLevels('!!!=debug')),
|
|
ok.
|
|
|
|
config_to_mask_test() ->
|
|
?assertEqual({mask, 0}, config_to_mask('none')),
|
|
?assertEqual({mask, ?DEBUG bor ?INFO bor ?NOTICE bor ?WARNING bor ?ERROR bor ?CRITICAL bor ?ALERT bor ?EMERGENCY}, config_to_mask('debug')),
|
|
?assertEqual({mask, ?WARNING bor ?ERROR bor ?CRITICAL bor ?ALERT bor ?EMERGENCY}, config_to_mask('warning')),
|
|
?assertEqual({mask, ?DEBUG bor ?NOTICE bor ?WARNING bor ?ERROR bor ?CRITICAL bor ?ALERT bor ?EMERGENCY}, config_to_mask('!=info')),
|
|
ok.
|
|
|
|
mask_to_levels_test() ->
|
|
?assertEqual([], maskToLevels(0)),
|
|
?assertEqual([debug], maskToLevels(2#10000000)),
|
|
?assertEqual([debug, info], maskToLevels(2#11000000)),
|
|
?assertEqual([debug, info, emergency], maskToLevels(2#11000001)),
|
|
?assertEqual([debug, notice, error], maskToLevels(?DEBUG bor ?NOTICE bor ?ERROR)),
|
|
ok.
|
|
|
|
expand_path_test() ->
|
|
OldRootVal = application:get_env(lager, logRoot),
|
|
|
|
ok = application:unset_env(lager, logRoot),
|
|
?assertEqual(filename:absname("/foo/bar"), parsePath("/foo/bar")),
|
|
?assertEqual(filename:absname("foo/bar"), parsePath("foo/bar")),
|
|
|
|
ok = application:set_env(lager, logRoot, "log/dir"),
|
|
?assertEqual(filename:absname("/foo/bar"), parsePath("/foo/bar")), % Absolute path should not be changed
|
|
?assertEqual(filename:absname("log/dir/foo/bar"), parsePath("foo/bar")),
|
|
?assertEqual(filename:absname("log/dir/foo/bar"), parsePath("log/dir/foo/bar")), %% gh #304
|
|
|
|
case OldRootVal of
|
|
undefined -> application:unset_env(lager, logRoot);
|
|
{ok, Root} -> application:set_env(lager, logRoot, Root)
|
|
end,
|
|
ok.
|
|
|
|
sink_name_test_() ->
|
|
[
|
|
?_assertEqual(rumEvent, makeInnerSinkName(lager)),
|
|
?_assertEqual(audit_lager_event, makeInnerSinkName(audit))
|
|
].
|
|
|
|
create_test_dir() ->
|
|
{ok, Tmp} = get_temp_dir(),
|
|
Dir = filename:join([Tmp, "lager_test",
|
|
erlang:integer_to_list(erlang:phash2(os:timestamp()))]),
|
|
?assertEqual(ok, filelib:ensure_dir(Dir)),
|
|
TestDir = case file:make_dir(Dir) of
|
|
ok ->
|
|
Dir;
|
|
Err ->
|
|
?assertEqual({error, eexist}, Err),
|
|
create_test_dir()
|
|
end,
|
|
ok = application:set_env(lager, test_dir, TestDir),
|
|
{ok, TestDir}.
|
|
|
|
get_test_dir() ->
|
|
case application:get_env(lager, test_dir) of
|
|
undefined ->
|
|
create_test_dir();
|
|
{ok, _} = Res ->
|
|
Res
|
|
end.
|
|
|
|
get_temp_dir() ->
|
|
Tmp = case os:getenv("TEMP") of
|
|
false ->
|
|
case os:getenv("TMP") of
|
|
false -> "/tmp";
|
|
Dir1 -> Dir1
|
|
end;
|
|
Dir0 -> Dir0
|
|
end,
|
|
?assertEqual(true, filelib:is_dir(Tmp)),
|
|
{ok, Tmp}.
|
|
|
|
delete_test_dir() ->
|
|
{ok, TestDir} = get_test_dir(),
|
|
ok = delete_test_dir(TestDir).
|
|
|
|
delete_test_dir(TestDir) ->
|
|
ok = application:unset_env(lager, test_dir),
|
|
{OsType, _} = os:type(),
|
|
ok = case {OsType, otp_version()} of
|
|
{win32, _} ->
|
|
application:stop(lager),
|
|
do_delete_test_dir(TestDir);
|
|
{unix, 15} ->
|
|
os:cmd("rm -rf " ++ TestDir);
|
|
{unix, _} ->
|
|
do_delete_test_dir(TestDir)
|
|
end.
|
|
|
|
do_delete_test_dir(Dir) ->
|
|
ListRet = file:list_dir_all(Dir),
|
|
?assertMatch({ok, _}, ListRet),
|
|
{_, Entries} = ListRet,
|
|
lists:foreach(
|
|
fun(Entry) ->
|
|
FsElem = filename:join(Dir, Entry),
|
|
case filelib:is_dir(FsElem) of
|
|
true ->
|
|
delete_test_dir(FsElem);
|
|
_ ->
|
|
case file:delete(FsElem) of
|
|
ok -> ok;
|
|
Error ->
|
|
io:format(standard_error, "[ERROR]: error deleting file ~p~n", [FsElem]),
|
|
?assertEqual(ok, Error)
|
|
end
|
|
end
|
|
end, Entries),
|
|
?assertEqual(ok, file:del_dir(Dir)).
|
|
|
|
do_delete_file(_FsElem, 0) ->
|
|
?assert(false);
|
|
do_delete_file(FsElem, Attempts) ->
|
|
case file:delete(FsElem) of
|
|
ok -> ok;
|
|
_Error ->
|
|
do_delete_file(FsElem, Attempts - 1)
|
|
end.
|
|
|
|
set_dir_permissions(Perms, Dir) ->
|
|
do_set_dir_permissions(os:type(), Perms, Dir).
|
|
|
|
do_set_dir_permissions({win32, _}, _Perms, _Dir) ->
|
|
ok;
|
|
do_set_dir_permissions({unix, _}, Perms, Dir) ->
|
|
os:cmd("chmod -R " ++ Perms ++ " " ++ Dir),
|
|
ok.
|
|
|
|
safe_application_load(App) ->
|
|
case application:load(App) of
|
|
ok ->
|
|
ok;
|
|
{error, {already_loaded, App}} ->
|
|
ok;
|
|
Error ->
|
|
?assertEqual(ok, Error)
|
|
end.
|
|
|
|
safe_write_file(File, Content) ->
|
|
% Note: ensures that the new creation time is at least one second
|
|
% in the future
|
|
?assertEqual(ok, file:write_file(File, Content)),
|
|
Ctime0 = calendar:local_time(),
|
|
Ctime0Sec = calendar:datetime_to_gregorian_seconds(Ctime0),
|
|
Ctime1Sec = Ctime0Sec + 1,
|
|
Ctime1 = calendar:gregorian_seconds_to_datetime(Ctime1Sec),
|
|
{ok, FInfo0} = file:read_file_info(File, [raw]),
|
|
FInfo1 = FInfo0#file_info{ctime = Ctime1},
|
|
?assertEqual(ok, file:write_file_info(File, FInfo1, [raw])).
|
|
|
|
-endif.
|