diff options
Diffstat (limited to 'lib/kernel/test/logger_disk_log_h_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/logger_disk_log_h_SUITE.erl | 289 |
1 files changed, 186 insertions, 103 deletions
diff --git a/lib/kernel/test/logger_disk_log_h_SUITE.erl b/lib/kernel/test/logger_disk_log_h_SUITE.erl index c7c6137380..7a1736c814 100644 --- a/lib/kernel/test/logger_disk_log_h_SUITE.erl +++ b/lib/kernel/test/logger_disk_log_h_SUITE.erl @@ -31,7 +31,8 @@ end). suite() -> - [{timetrap,{seconds,30}}]. + [{timetrap,{seconds,30}}, + {ct_hooks,[logger_test_lib]}]. init_per_suite(Config) -> timer:start(), % to avoid progress report @@ -327,36 +328,38 @@ formatter_fail(Config) -> logger:add_handler(Name, logger_disk_log_h, HConfig), Pid = whereis(Name), true = is_pid(Pid), - {ok,#{handlers:=H}} = logger:get_logger_config(), + #{handlers:=HC1} = logger:i(), + H = [Id || {Id,_,_} <- HC1], true = lists:member(Name,H), %% Formatter is added automatically {ok,{_,#{formatter:={logger_formatter,_}}}} = logger:get_handler_config(Name), logger:info(M1=?msg,?domain), - Got1 = try_match_file(?log_no(LogFile,1),"=INFO REPORT====.*\n"++M1,5000), + Got1 = try_match_file(?log_no(LogFile,1),"[0-9\\+\\-T:\\.]* info: "++M1,5000), ok = logger:set_handler_config(Name,formatter,{nonexistingmodule,#{}}), logger:info(M2=?msg,?domain), Got2 = try_match_file(?log_no(LogFile,1), - Got1++"=INFO REPORT====.*\nFORMATTER CRASH: .*"++M2, + escape(Got1)++"[0-9\\+\\-T:\\.]* info: FORMATTER CRASH: .*"++M2, 5000), ok = logger:set_handler_config(Name,formatter,{?MODULE,crash}), logger:info(M3=?msg,?domain), Got3 = try_match_file(?log_no(LogFile,1), - Got2++"=INFO REPORT====.*\nFORMATTER CRASH: .*"++M3, + escape(Got2)++"[0-9\\+\\-T:\\.]* info: FORMATTER CRASH: .*"++M3, 5000), ok = logger:set_handler_config(Name,formatter,{?MODULE,bad_return}), logger:info(?msg,?domain), try_match_file(?log_no(LogFile,1), - Got3++"FORMATTER ERROR: bad_return_value", + escape(Got3)++"FORMATTER ERROR: bad_return_value", 5000), %% Check that handler is still alive and was never dead Pid = whereis(Name), - {ok,#{handlers:=H}} = logger:get_logger_config(), + #{handlers:=HC2} = logger:i(), + H = [Id || {Id,_,_} <- HC2], ok. formatter_fail(cleanup,_Config) -> @@ -369,10 +372,18 @@ config_fail(_Config) -> #{logger_disk_log_h => #{bad => bad}, filter_default=>log, formatter=>{?MODULE,self()}}), - {error,{handler_not_added,{invalid_levels,{42,42,_}}}} = + + {error,{handler_not_added,{invalid_levels,{_,1,_}}}} = + logger:add_handler(?MODULE,logger_disk_log_h, + #{logger_disk_log_h => #{drop_new_reqs_qlen=>1}}), + {error,{handler_not_added,{invalid_levels,{43,42,_}}}} = logger:add_handler(?MODULE,logger_disk_log_h, - #{logger_disk_log_h => #{toggle_sync_qlen=>42, + #{logger_disk_log_h => #{toggle_sync_qlen=>43, drop_new_reqs_qlen=>42}}), + {error,{handler_not_added,{invalid_levels,{_,43,42}}}} = + logger:add_handler(?MODULE,logger_disk_log_h, + #{logger_disk_log_h => #{drop_new_reqs_qlen=>43, + flush_reqs_qlen=>42}}), ok = logger:add_handler(?MODULE,logger_disk_log_h, #{filter_default=>log, @@ -497,24 +508,19 @@ disk_log_sync(Config) -> filters=>?DEFAULT_HANDLER_FILTERS([?MODULE]), formatter=>{?MODULE,nl}}), - start_tracer([{?MODULE,format,2}, - {disk_log,blog,2}, + start_tracer([{disk_log,blog,2}, {disk_log,sync,1}], - [{formatter,"first"}, - {disk_log,blog}, + [{disk_log,blog,<<"first\n">>}, {disk_log,sync}]), logger:info("first", ?domain), %% wait for automatic disk_log_sync check_tracer(?FILESYNC_REPEAT_INTERVAL*2), - start_tracer([{?MODULE,format,2}, - {disk_log,blog,2}, + start_tracer([{disk_log,blog,2}, {disk_log,sync,1}], - [{formatter,"second"}, - {formatter,"third"}, - {disk_log,blog}, - {disk_log,blog}, + [{disk_log,blog,<<"second\n">>}, + {disk_log,blog,<<"third\n">>}, {disk_log,sync}]), %% two log requests in fast succession will make the handler skip %% an automatic disk log sync @@ -531,13 +537,10 @@ disk_log_sync(Config) -> no_repeat = maps:get(filesync_repeat_interval, logger_disk_log_h:info(?MODULE)), - start_tracer([{?MODULE,format,2}, - {disk_log,blog,2}, + start_tracer([{disk_log,blog,2}, {disk_log,sync,1}], - [{formatter,"fourth"}, - {disk_log,blog}, - {formatter,"fifth"}, - {disk_log,blog}, + [{disk_log,blog,<<"fourth\n">>}, + {disk_log,blog,<<"fifth\n">>}, {disk_log,sync}]), logger:info("fourth", ?domain), @@ -566,6 +569,7 @@ disk_log_sync(Config) -> check_tracer(100), ok. disk_log_sync(cleanup,_Config) -> + dbg:stop_clear(), logger:remove_handler(?MODULE). disk_log_wrap(Config) -> @@ -623,6 +627,7 @@ disk_log_wrap(Config) -> ok. disk_log_wrap(cleanup,_Config) -> + dbg:stop_clear(), logger:remove_handler(?MODULE). disk_log_full(Config) -> @@ -668,6 +673,7 @@ disk_log_full(Config) -> {trace,{error_status,{error,{full,_}}}}] = Received, ok. disk_log_full(cleanup, _Config) -> + dbg:stop_clear(), logger:remove_handler(?MODULE). disk_log_events(Config) -> @@ -713,6 +719,7 @@ disk_log_events(Config) -> end, Received), ok. disk_log_events(cleanup, _Config) -> + dbg:stop_clear(), logger:remove_handler(?MODULE). write_failure(Config) -> @@ -721,7 +728,7 @@ write_failure(Config) -> Log = lists:concat([File,".1"]), ct:pal("Log = ~p", [Log]), - Node = start_h_on_new_node(Config, ?FUNCTION_NAME, File), + Node = start_h_on_new_node(Config, File), false = (undefined == rpc:call(Node, ets, whereis, [?TEST_HOOKS_TAB])), rpc:call(Node, ets, insert, [?TEST_HOOKS_TAB,{tester,self()}]), rpc:call(Node, ?MODULE, set_internal_log, [?MODULE,internal_log]), @@ -763,9 +770,9 @@ sync_failure(Config) -> Dir = ?config(priv_dir, Config), FileName = lists:concat([?MODULE,"_",?FUNCTION_NAME]), File = filename:join(Dir, FileName), - Log = lists:concat([File,".1"]), - Node = start_h_on_new_node(Config, ?FUNCTION_NAME, File), + + Node = start_h_on_new_node(Config, File), false = (undefined == rpc:call(Node, ets, whereis, [?TEST_HOOKS_TAB])), rpc:call(Node, ets, insert, [?TEST_HOOKS_TAB,{tester,self()}]), rpc:call(Node, ?MODULE, set_internal_log, [?MODULE,internal_log]), @@ -805,21 +812,12 @@ sync_failure(cleanup, _Config) -> Nodes = nodes(), [test_server:stop_node(Node) || Node <- Nodes]. -start_h_on_new_node(_Config, Func, File) -> - Pa = filename:dirname(code:which(?MODULE)), - Dest = - case os:type() of - {win32,_} -> - lists:concat([" {disk_log,\\\"",File,"\\\"}"]); - _ -> - lists:concat([" \'{disk_log,\"",File,"\"}\'"]) - end, - Args = lists:concat([" -kernel ",logger_dest,Dest," -pa ",Pa]), - NodeName = lists:concat([?MODULE,"_",Func]), - ct:pal("Starting ~s with ~tp", [NodeName,Args]), - {ok,Node} = test_server:start_node(NodeName, peer, [{args, Args}]), - Pid = rpc:call(Node,erlang,whereis,[?STANDARD_HANDLER]), - true = is_pid(Pid), +start_h_on_new_node(Config, File) -> + {ok,_,Node} = + logger_test_lib:setup( + Config, + [{logger,[{handler,default,logger_disk_log_h, + #{ disk_log_opts => #{ file => File }}}]}]), ok = rpc:call(Node,logger,set_handler_config,[?STANDARD_HANDLER,formatter, {?MODULE,nl}]), Node. @@ -832,10 +830,10 @@ log_on_remote_node(Node,Msg) -> ok. %% functions for test hook macros to be called by rpc -set_internal_log(Mod, Func) -> - ?set_internal_log({Mod,Func}). -set_result(Op, Result) -> - ?set_result(Op, Result). +set_internal_log(_Mod, _Func) -> + ?set_internal_log({_Mod,_Func}). +set_result(_Op, _Result) -> + ?set_result(_Op, _Result). set_defaults() -> ?set_defaults(). @@ -852,62 +850,115 @@ internal_log(Type, Term) -> op_switch_to_sync(Config) -> {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), + NumOfReqs = 500, NewHConfig = - HConfig#{logger_disk_log_h => DLHConfig#{toggle_sync_qlen => 3, - drop_new_reqs_qlen => 501, - flush_reqs_qlen => 2000, + HConfig#{logger_disk_log_h => DLHConfig#{toggle_sync_qlen => 2, + drop_new_reqs_qlen => NumOfReqs+1, + flush_reqs_qlen => 2*NumOfReqs, enable_burst_limit => false}}, ok = logger:set_handler_config(?MODULE, NewHConfig), - NumOfReqs = 500, send_burst({n,NumOfReqs}, seq, {chars,79}, info), - NumOfReqs = count_lines(Log), - ok = file:delete(Log). + Lines = count_lines(Log), + ok = file:delete(Log), + NumOfReqs = Lines, + ok. op_switch_to_sync(cleanup, _Config) -> ok = stop_handler(?MODULE). +op_switch_to_drop() -> + [{timetrap,{seconds,180}}]. op_switch_to_drop(Config) -> - {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), - - NewHConfig = - HConfig#{logger_disk_log_h => DLHConfig#{toggle_sync_qlen => 2, - drop_new_reqs_qlen => 3, - flush_reqs_qlen => 600, - enable_burst_limit => false}}, - ok = logger:set_handler_config(?MODULE, NewHConfig), - NumOfReqs = 500, - send_burst({n,NumOfReqs}, seq, {chars,79}, info), - Logged = count_lines(Log), - ct:pal("Number of messages dropped = ~w (~w)", - [NumOfReqs-Logged,NumOfReqs]), - true = (Logged < NumOfReqs), - ok = file:delete(Log). + Test = + fun() -> + {Log,HConfig,DLHConfig} = + start_handler(?MODULE, ?FUNCTION_NAME, Config), + NumOfReqs = 300, + Procs = 2, + Bursts = 10, + NewHConfig = + HConfig#{logger_disk_log_h => + DLHConfig#{toggle_sync_qlen => 1, + drop_new_reqs_qlen => 2, + flush_reqs_qlen => Procs*NumOfReqs*Bursts, + enable_burst_limit => false}}, + ok = logger:set_handler_config(?MODULE, NewHConfig), + %% It sometimes happens that the handler either gets + %% the requests in a slow enough pace so that dropping + %% never occurs. Therefore, lets generate a number of + %% bursts to increase the chance of message buildup. + [send_burst({n,NumOfReqs}, {spawn,Procs,0}, {chars,79}, info) || + _ <- lists:seq(1, Bursts)], + Logged = count_lines(Log), + ok= stop_handler(?MODULE), + _ = file:delete(Log), + ct:pal("Number of messages dropped = ~w (~w)", + [Procs*NumOfReqs*Bursts-Logged,Procs*NumOfReqs*Bursts]), + true = (Logged < (Procs*NumOfReqs*Bursts)), + true = (Logged > 0), + ok + end, + %% As it's tricky to get the timing right in only one go, we perform the + %% test repeatedly, hoping that will generate a successful result. + case repeat_until_ok(Test, 10) of + {ok,{Failures,_Result}} -> + ct:log("Failed ~w times before success!", [Failures]); + {fails,Reason} -> + ct:fail(Reason) + end. op_switch_to_drop(cleanup, _Config) -> - ok = stop_handler(?MODULE). + _ = stop_handler(?MODULE). op_switch_to_flush() -> - [{timetrap,{seconds,60}}]. + [{timetrap,{minutes,3}}]. op_switch_to_flush(Config) -> - {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), - - %% it's important that both async and sync requests have been queued - %% when the flush happens (verify with coverage of flush_log_requests/2) + Test = + fun() -> + {Log,HConfig,DLHConfig} = + start_handler(?MODULE, ?FUNCTION_NAME, Config), + + %% NOTE: it's important that both async and sync + %% requests have been queued when the flush happens + %% (verify with coverage of flush_log_requests/2) - NewHConfig = - HConfig#{logger_disk_log_h => DLHConfig#{toggle_sync_qlen => 2, - drop_new_reqs_qlen => 99, - flush_reqs_qlen => 100, - enable_burst_limit => false}}, - ok = logger:set_handler_config(?MODULE, NewHConfig), - NumOfReqs = 1000, - Procs = 500, - send_burst({n,NumOfReqs}, {spawn,Procs,0}, {chars,79}, info), - Logged = count_lines(Log), - ct:pal("Number of messages flushed/dropped = ~w (~w)", - [(NumOfReqs*Procs)-Logged,NumOfReqs*Procs]), - true = (Logged < (NumOfReqs*Procs)), - ok = file:delete(Log). + NewHConfig = + HConfig#{logger_disk_log_h => + DLHConfig#{toggle_sync_qlen => 2, + %% disable drop mode + drop_new_reqs_qlen => 300, + flush_reqs_qlen => 300, + enable_burst_limit => false}}, + ok = logger:set_handler_config(?MODULE, NewHConfig), + NumOfReqs = 1500, + Procs = 10, + Bursts = 10, + %% It sometimes happens that the handler either gets + %% the requests in a slow enough pace so that flushing + %% never occurs, or it gets all messages at once, + %% causing all messages to get flushed (no dropping of + %% sync messages gets tested). Therefore, lets + %% generate a number of bursts to increase the chance + %% of message buildup in some random fashion. + [send_burst({n,NumOfReqs}, {spawn,Procs,0}, {chars,79}, info) || + _ <- lists:seq(1,Bursts)], + Logged = count_lines(Log), + ok= stop_handler(?MODULE), + _ = file:delete(Log), + ct:pal("Number of messages flushed/dropped = ~w (~w)", + [NumOfReqs*Procs*Bursts-Logged,NumOfReqs*Procs*Bursts]), + true = (Logged < (NumOfReqs*Procs*Bursts)), + true = (Logged > 0), + ok + end, + %% As it's tricky to get the timing right in only one go, we perform the + %% test repeatedly, hoping that will generate a successful result. + case repeat_until_ok(Test, 10) of + {ok,{Failures,_Result}} -> + ct:log("Failed ~w times before success!", [Failures]); + {fails,Reason} -> + ct:fail(Reason) + end. op_switch_to_flush(cleanup, _Config) -> - ok = stop_handler(?MODULE). + _ = stop_handler(?MODULE). limit_burst_disabled(Config) -> @@ -988,10 +1039,10 @@ kill_disabled(cleanup, _Config) -> ok = stop_handler(?MODULE). qlen_kill_new(Config) -> - {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), + {_Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), Pid0 = whereis(?MODULE), {_,Mem0} = process_info(Pid0, memory), - RestartAfter = 2000, + RestartAfter = ?HANDLER_RESTART_AFTER, NewHConfig = HConfig#{logger_disk_log_h => DLHConfig#{enable_kill_overloaded=>true, @@ -1012,7 +1063,7 @@ qlen_kill_new(Config) -> killed -> ct:pal("Slow shutdown, handler process was killed!", []) end, - timer:sleep(RestartAfter + 1000), + timer:sleep(RestartAfter + 2000), true = is_pid(whereis(?MODULE)), ok after @@ -1025,10 +1076,10 @@ qlen_kill_new(cleanup, _Config) -> ok = stop_handler(?MODULE). mem_kill_new(Config) -> - {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), + {_Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), Pid0 = whereis(?MODULE), {_,Mem0} = process_info(Pid0, memory), - RestartAfter = 2000, + RestartAfter = ?HANDLER_RESTART_AFTER, NewHConfig = HConfig#{logger_disk_log_h => DLHConfig#{enable_kill_overloaded=>true, @@ -1049,7 +1100,7 @@ mem_kill_new(Config) -> killed -> ct:pal("Slow shutdown, handler process was killed!", []) end, - timer:sleep(RestartAfter * 2), + timer:sleep(RestartAfter + 2000), true = is_pid(whereis(?MODULE)), ok after @@ -1082,7 +1133,7 @@ restart_after(Config) -> end, {Log,_,_} = start_handler(?MODULE, ?FUNCTION_NAME, Config), - RestartAfter = 2000, + RestartAfter = ?HANDLER_RESTART_AFTER, NewHConfig2 = HConfig#{logger_disk_log_h=>DLHConfig#{enable_kill_overloaded=>true, handler_overloaded_qlen=>10, @@ -1094,7 +1145,7 @@ restart_after(Config) -> send_burst({n,100}, {spawn,2,0}, {chars,79}, info), receive {'DOWN', MRef2, _, _, _Info2} -> - timer:sleep(RestartAfter + 1000), + timer:sleep(RestartAfter + 2000), Pid1 = whereis(?MODULE), true = is_pid(Pid1), false = (Pid1 == Pid0), @@ -1111,7 +1162,7 @@ restart_after(cleanup, _Config) -> %% during high load to verify that sync, dropping and flushing is %% handled correctly. handler_requests_under_load() -> - [{timetrap,{seconds,60}}]. + [{timetrap,{minutes,3}}]. handler_requests_under_load(Config) -> {Log,HConfig,DLHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config), NewHConfig = @@ -1140,7 +1191,7 @@ handler_requests_under_load(Config) -> NoOfReqs = lists:foldl(fun({_,Res}, N) -> N + length(Res) end, 0, ReqResult), ct:pal("~w requests made. Errors: ~n~p", [NoOfReqs,Errors]), ok = file:delete(Log). -handler_requests_under_load(cleanup, Config) -> +handler_requests_under_load(cleanup, _Config) -> ok = stop_handler(?MODULE). send_requests(HName, TO, Reqs = [{Req,Res}|Rs]) -> @@ -1365,11 +1416,33 @@ count_lines1(File) -> file:close(Dev), Lines. +repeat_until_ok(Fun, N) -> + repeat_until_ok(Fun, 0, N, undefined). + +repeat_until_ok(_Fun, Stop, Stop, Reason) -> + {fails,Reason}; + +repeat_until_ok(Fun, C, Stop, FirstReason) -> + if C > 0 -> timer:sleep(5000); + true -> ok + end, + try Fun() of + Result -> + {ok,{C,Result}} + catch + _:Reason:Stack -> + ct:pal("Test fails: ~p (~p)~n", [Reason,hd(Stack)]), + if FirstReason == undefined -> + repeat_until_ok(Fun, C+1, Stop, {Reason,Stack}); + true -> + repeat_until_ok(Fun, C+1, Stop, FirstReason) + end + end. + start_tracer(Trace,Expected) -> Pid = self(), dbg:tracer(process,{fun tracer/2,{Pid,Expected}}), dbg:p(whereis(?MODULE),[c]), - dbg:p(Pid,[c]), tpl(Trace), ok. @@ -1387,13 +1460,15 @@ tpl([{M,F,A}|Trace]) -> tpl([]) -> ok. -tracer({trace,_,call,{?MODULE,format,[#{msg:={string,Msg}}|_]}}, {Pid,[{formatter,Msg}|Expected]}) -> - maybe_tracer_done(Pid,Expected,{formatter,Msg}); -tracer({trace,_,call,{logger_disk_log_h,handle_cast,[{Op,_}|_]}}, {Pid,[{Mod,Func,Op}|Expected]}) -> +tracer({trace,_,call,{logger_disk_log_h,handle_cast,[Op|_]}}, + {Pid,[{Mod,Func,Op}|Expected]}) -> maybe_tracer_done(Pid,Expected,{Mod,Func,Op}); +tracer({trace,_,call,{Mod=disk_log,Func=blog,[_,Data]}}, {Pid,[{Mod,Func,Data}|Expected]}) -> + maybe_tracer_done(Pid,Expected,{Mod,Func,Data}); tracer({trace,_,call,{Mod,Func,_}}, {Pid,[{Mod,Func}|Expected]}) -> maybe_tracer_done(Pid,Expected,{Mod,Func}); tracer({trace,_,call,Call}, {Pid,Expected}) -> + ct:log("Tracer got unexpected: ~p~nExpected: ~p~n",[Call,Expected]), Pid ! {tracer_got_unexpected,Call,Expected}, {Pid,Expected}. @@ -1413,5 +1488,13 @@ check_tracer(T) -> dbg:stop_clear(), ct:fail({tracer_got_unexpected,Got,Expected}) after T -> + dbg:stop_clear(), ct:fail({timeout,tracer}) end. + +escape([$+|Rest]) -> + [$\\,$+|escape(Rest)]; +escape([H|T]) -> + [H|escape(T)]; +escape([]) -> + []. |