diff options
| -rw-r--r-- | lib/kernel/doc/src/logger.xml | 9 | ||||
| -rw-r--r-- | lib/kernel/src/logger.erl | 137 | ||||
| -rw-r--r-- | lib/kernel/test/logger_SUITE.erl | 58 |
3 files changed, 203 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/logger.xml b/lib/kernel/doc/src/logger.xml index 0668676096..df2d081d76 100644 --- a/lib/kernel/doc/src/logger.xml +++ b/lib/kernel/doc/src/logger.xml @@ -689,6 +689,15 @@ start(_, []) -> </func> <func> + <name name="i" arity="0" since="OTP 21.3"/> + <name name="i" arity="1" since="OTP 21.3"/> + <fsummary>Pretty print the Logger configuration.</fsummary> + <desc> + <p>Pretty print the Logger configuration.</p> + </desc> + </func> + + <func> <name name="remove_handler" arity="1" since="OTP 21.0"/> <fsummary>Remove the handler with the specified identity.</fsummary> <desc> diff --git a/lib/kernel/src/logger.erl b/lib/kernel/src/logger.erl index abdd9a9ceb..7d36640f52 100644 --- a/lib/kernel/src/logger.erl +++ b/lib/kernel/src/logger.erl @@ -60,6 +60,7 @@ -export([compare_levels/2]). -export([set_process_metadata/1, update_process_metadata/1, unset_process_metadata/0, get_process_metadata/0]). +-export([i/0, i/1]). %% Basic report formatting -export([format_report/1, format_otp_report/1]). @@ -647,6 +648,142 @@ get_config() -> proxy=>get_proxy_config(), module_levels=>lists:keysort(1,get_module_level())}. +-spec i() -> ok. +i() -> + #{primary := Primary, + handlers := HandlerConfigs, + proxy := Proxy, + module_levels := Modules} = get_config(), + M = modifier(), + i_primary(Primary,M), + i_handlers(HandlerConfigs,M), + i_proxy(Proxy,M), + i_modules(Modules,M). + +-spec i(What) -> ok when + What :: primary | handlers | proxy | modules | handler_id(). +i(primary) -> + i_primary(get_primary_config(),modifier()); +i(handlers) -> + i_handlers(get_handler_config(),modifier()); +i(proxy) -> + i_proxy(get_proxy_config(),modifier()); +i(modules) -> + i_modules(get_module_level(),modifier()); +i(HandlerId) when is_atom(HandlerId) -> + case get_handler_config(HandlerId) of + {ok,HandlerConfig} -> + i_handlers([HandlerConfig],modifier()); + Error -> + Error + end; +i(What) -> + erlang:error(badarg,[What]). + + +i_primary(#{level := Level, + filters := Filters, + filter_default := FilterDefault}, + M) -> + io:format("Primary configuration: ~n",[]), + io:format(" Level: ~p~n",[Level]), + io:format(" Filter Default: ~p~n", [FilterDefault]), + io:format(" Filters: ~n", []), + print_filters(" ",Filters,M). + +i_handlers(HandlerConfigs,M) -> + io:format("Handler configuration: ~n", []), + print_handlers(HandlerConfigs,M). + +i_proxy(Proxy,M) -> + io:format("Proxy configuration: ~n", []), + print_custom(" ",Proxy,M). + +i_modules(Modules,M) -> + io:format("Level set per module: ~n", []), + print_module_levels(Modules,M). + +encoding() -> + case lists:keyfind(encoding, 1, io:getopts()) of + false -> latin1; + {encoding, Enc} -> Enc + end. + +modifier() -> + modifier(encoding()). + +modifier(latin1) -> ""; +modifier(_) -> "t". + +print_filters(Indent, {Id, {Fun, Arg}}, M) -> + io:format("~sId: ~"++M++"p~n" + "~s Fun: ~"++M++"p~n" + "~s Arg: ~"++M++"p~n", + [Indent, Id, Indent, Fun, Indent, Arg]); +print_filters(Indent,[],_M) -> + io:format("~s(none)~n",[Indent]); +print_filters(Indent,Filters,M) -> + [print_filters(Indent,Filter,M) || Filter <- Filters], + ok. + +print_handlers(#{id := Id, + module := Module, + level := Level, + filters := Filters, filter_default := FilterDefault, + formatter := {FormatterModule,FormatterConfig}} = Config, M) -> + io:format(" Id: ~"++M++"p~n" + " Module: ~p~n" + " Level: ~p~n" + " Formatter:~n" + " Module: ~p~n" + " Config:~n", + [Id, Module, Level, FormatterModule]), + print_custom(" ",FormatterConfig,M), + io:format(" Filter Default: ~p~n" + " Filters:~n", + [FilterDefault]), + print_filters(" ",Filters,M), + case maps:find(config,Config) of + {ok,HandlerConfig} -> + io:format(" Handler Config:~n"), + print_custom(" ",HandlerConfig,M); + error -> + ok + end, + MyKeys = [filter_default, filters, formatter, level, module, id, config], + case maps:without(MyKeys,Config) of + Empty when Empty==#{} -> + ok; + Unhandled -> + io:format(" Custom Config:~n"), + print_custom(" ",Unhandled,M) + end; +print_handlers([], _M) -> + io:format(" (none)~n"); +print_handlers(HandlerConfigs, M) -> + [print_handlers(HandlerConfig, M) || HandlerConfig <- HandlerConfigs], + ok. + +print_custom(Indent, {Key, Value}, M) -> + io:format("~s~"++M++"p: ~"++M++"p~n",[Indent,Key,Value]); +print_custom(Indent, Map, M) when is_map(Map) -> + print_custom(Indent,lists:keysort(1,maps:to_list(Map)), M); +print_custom(Indent, List, M) when is_list(List), is_tuple(hd(List)) -> + [print_custom(Indent, X, M) || X <- List], + ok; +print_custom(Indent, Value, M) -> + io:format("~s~"++M++"p~n",[Indent,Value]). + +print_module_levels({Module,Level},M) -> + io:format(" Module: ~"++M++"p~n" + " Level: ~p~n", + [Module,Level]); +print_module_levels([],_M) -> + io:format(" (none)~n"); +print_module_levels(Modules,M) -> + [print_module_levels(Module,M) || Module <- Modules], + ok. + -spec internal_init_logger() -> ok | {error,term()}. %% This function is responsible for config of the logger %% This is done before add_handlers because we want the diff --git a/lib/kernel/test/logger_SUITE.erl b/lib/kernel/test/logger_SUITE.erl index d831d0d108..2dad651f9c 100644 --- a/lib/kernel/test/logger_SUITE.erl +++ b/lib/kernel/test/logger_SUITE.erl @@ -101,7 +101,8 @@ all() -> compare_levels, process_metadata, app_config, - kernel_config]. + kernel_config, + pretty_print]. start_stop(_Config) -> S = whereis(logger), @@ -1141,6 +1142,61 @@ kernel_config(Config) -> ok. +pretty_print(Config) -> + ok = logger:add_handler(?FUNCTION_NAME,logger_std_h,#{}), + ok = logger:set_module_level([module1,module2],debug), + + ct:capture_start(), + logger:i(), + ct:capture_stop(), + I0 = ct:capture_get(), + + ct:capture_start(), + logger:i(primary), + ct:capture_stop(), + IPrim = ct:capture_get(), + + ct:capture_start(), + logger:i(handlers), + ct:capture_stop(), + IHs = ct:capture_get(), + + ct:capture_start(), + logger:i(proxy), + ct:capture_stop(), + IProxy = ct:capture_get(), + + ct:capture_start(), + logger:i(modules), + ct:capture_stop(), + IMs = ct:capture_get(), + + I02 = lists:append([IPrim,IHs,IProxy,IMs]), + %% ct:log("~p~n",[I0]), + %% ct:log("~p~n",[I02]), + I0 = I02, + + ct:capture_start(), + logger:i(handlers), + ct:capture_stop(), + IHs = ct:capture_get(), + + Ids = logger:get_handler_ids(), + IHs2 = + lists:append( + [begin + ct:capture_start(), + logger:i(Id), + ct:capture_stop(), + [_|IH] = ct:capture_get(), + IH + end || Id <- Ids]), + + %% ct:log("~p~n",[IHs]), + %% ct:log("~p~n",[["Handler configuration: \n"|IHs2]]), + IHs = ["Handler configuration: \n"|IHs2], + ok. + %%%----------------------------------------------------------------- %%% Internal check_logged(Level,Format,Args,Meta) -> |