chore: refactor ?SLOG

apps/emqx/src/emqx_channel.erl

@@ -292,7 +292,7 @@ handle_in(?CONNECT_PACKET(ConnPkt) = Packet, Channel) ->
                    fun check_banned/2
                   ], ConnPkt, Channel#channel{conn_state = connecting}) of
         {ok, NConnPkt, NChannel = #channel{clientinfo = ClientInfo}} ->
-            ?LOG(debug, "RECV ~s", [emqx_packet:format(Packet)]),
+            ?SLOG(debug, #{msg => "recv_packet", packet => emqx_packet:format(Packet)}),
             NChannel1 = NChannel#channel{
                                         will_msg = emqx_packet:will_msg(NConnPkt),
                                         alias_maximum = init_alias_maximum(NConnPkt, ClientInfo)

apps/emqx/src/emqx_limiter/src/emqx_limiter_manager.erl

@@ -138,7 +138,7 @@ init([]) ->
           {stop, Reason :: term(), Reply :: term(), NewState :: term()} |
           {stop, Reason :: term(), NewState :: term()}.
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignore, State}.
 
 %%--------------------------------------------------------------------
@@ -153,7 +153,7 @@ handle_call(Req, _From, State) ->
           {noreply, NewState :: term(), hibernate} |
           {stop, Reason :: term(), NewState :: term()}.
 handle_cast(Req, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Req}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------
@@ -168,7 +168,7 @@ handle_cast(Req, State) ->
           {noreply, NewState :: term(), hibernate} |
           {stop, Reason :: normal | term(), NewState :: term()}.
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------

apps/emqx/src/emqx_limiter/src/emqx_limiter_server.erl

@@ -98,7 +98,7 @@ connect(Type, BucketName) when is_atom(BucketName) ->
     Path = [emqx_limiter, Type, bucket, BucketName],
     case emqx:get_config(Path, undefined) of
         undefined ->
-            ?LOG(error, "can't find the config of this bucket: ~p~n", [Path]),
+            ?SLOG(error, #{msg => "bucket_config_not_found", path => Path}),
             throw("bucket's config not found");
         #{zone := Zone,
           aggregated := #{rate := AggrRate, capacity := AggrSize},
@@ -113,7 +113,7 @@ connect(Type, BucketName) when is_atom(BucketName) ->
                             emqx_htb_limiter:make_ref_limiter(Cfg, Bucket)
                     end;
                 undefined ->
-                    ?LOG(error, "can't find the bucket:~p~n", [Path]),
+                    ?SLOG(error, #{msg => "bucket_not_found", path => Path}),
                     throw("invalid bucket")
             end
     end;
@@ -182,7 +182,7 @@ init([Type]) ->
           {stop, Reason :: term(), Reply :: term(), NewState :: term()} |
           {stop, Reason :: term(), NewState :: term()}.
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 %%--------------------------------------------------------------------
@@ -197,7 +197,7 @@ handle_call(Req, _From, State) ->
           {noreply, NewState :: term(), hibernate} |
           {stop, Reason :: term(), NewState :: term()}.
 handle_cast(Req, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Req}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------
@@ -215,7 +215,7 @@ handle_info(oscillate, State) ->
     {noreply, oscillation(State)};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------

apps/emqx/src/emqx_trace/emqx_trace_handler.erl

@@ -103,7 +103,7 @@ uninstall(Type, Name) ->
 -spec uninstall(HandlerId :: atom()) -> ok | {error, term()}.
 uninstall(HandlerId) ->
     Res = logger:remove_handler(HandlerId),
-    show_prompts(Res, HandlerId, "Stop trace"),
+    show_prompts(Res, HandlerId, "stop_trace"),
     Res.
 
 %% @doc Return all running trace handlers information.
@@ -151,7 +151,7 @@ install_handler(Who = #{name := Name, type := Type}, Level, LogFile) ->
         config => ?CONFIG(LogFile)
     },
     Res = logger:add_handler(HandlerId, logger_disk_log_h, Config),
-    show_prompts(Res, Who, "Start trace"),
+    show_prompts(Res, Who, "start_trace"),
     Res.
 
 filters(#{type := clientid, filter := Filter, name := Name}) ->
@@ -223,6 +223,6 @@ ensure_list(Bin) when is_binary(Bin) -> unicode:characters_to_list(Bin, utf8);
 ensure_list(List) when is_list(List) -> List.
 
 show_prompts(ok, Who, Msg) ->
-    ?LOG(info, Msg ++ " ~p " ++ "successfully~n", [Who]);
+    ?SLOG(info, #{msg => "trace_action_succeeded", action => Msg, traced => Who});
 show_prompts({error, Reason}, Who, Msg) ->
-    ?LOG(error, Msg ++ " ~p " ++ "failed with ~p~n", [Who, Reason]).
+    ?SLOG(info, #{msg => "trace_action_failed", action => Msg, traced => Who, reason => Reason}).

apps/emqx_management/src/emqx_mgmt_api_trace.erl

@@ -310,7 +310,7 @@ group_trace_file(ZipDir, TraceLog, TraceFiles) ->
                     _ -> Acc
                 end;
             {error, Node, Reason} ->
-                ?LOG(error, "download trace log error:~p", [{Node, TraceLog, Reason}]),
+                ?SLOG(error, #{msg => "download_trace_log_error", node => Node, log => TraceLog, reason => Reason}),
                 Acc
         end
                 end, [], TraceFiles).

apps/emqx_modules/src/emqx_delayed.erl

@@ -97,7 +97,7 @@ on_message_publish(Msg = #message{
     case store(#delayed_message{key = {PubAt, Id}, delayed = Delayed, msg = PubMsg}) of
         ok -> ok;
         {error, Error} ->
-            ?LOG(error, "Store delayed message fail: ~p", [Error])
+            ?SLOG(error, #{msg => "store_delayed_message_fail", error => Error})
     end,
     {stop, PubMsg#message{headers = Headers#{allow_publish => false}}};
 
@@ -230,11 +230,11 @@ handle_call(disable, _From, State) ->
     {reply, ok, State};
 
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 %% Do Publish...
@@ -248,7 +248,7 @@ handle_info(stats, State = #{stats_fun := StatsFun}) ->
     {noreply, State, hibernate};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 terminate(_Reason, #{timer := TRef}) ->

apps/emqx_modules/src/emqx_telemetry.erl

@@ -173,15 +173,15 @@ handle_call(get_telemetry, _From, State) ->
     {reply, {ok, get_telemetry(State)}, State};
 
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected msg: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 handle_continue(Continue, State) ->
-    ?LOG(error, "Unexpected continue: ~p", [Continue]),
+    ?SLOG(error, #{msg => "unexpected_continue", continue => Continue}),
     {noreply, State}.
 
 handle_info({timeout, TRef, time_to_report_telemetry_data}, State = #state{timer = TRef}) ->
@@ -192,7 +192,7 @@ handle_info({timeout, TRef, time_to_report_telemetry_data}, State = #state{timer
     {noreply, ensure_report_timer(State)};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 terminate(_Reason, _State) ->

apps/emqx_modules/src/emqx_topic_metrics.erl

@@ -261,7 +261,7 @@ handle_call({get_rates, Topic, Metric}, _From, State = #state{speeds = Speeds})
     end.
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 handle_info(ticking, State = #state{speeds = Speeds}) ->
@@ -276,7 +276,7 @@ handle_info(ticking, State = #state{speeds = Speeds}) ->
     {noreply, State#state{speeds = NSpeeds}};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 terminate(_Reason, _State) ->

apps/emqx_retainer/src/emqx_retainer.erl

@@ -217,11 +217,11 @@ handle_call({page_read, Topic, Page, Limit}, _, #{context := Context} = State) -
     {reply, Result, State};
 
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 handle_info(clear_expired, #{context := Context} = State) ->
@@ -248,7 +248,7 @@ handle_info(release_deliver_quota, #{context := Context, wait_quotas := Waits} =
                      wait_quotas := []}};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 terminate(_Reason, #{clear_timer := TRef1, release_quota_timer := TRef2}) ->

apps/emqx_retainer/src/emqx_retainer_mnesia.erl

@@ -91,14 +91,13 @@ store_retained(_, Msg =#message{topic = Topic}) ->
                                                          expiry_time = ExpiryTime},
                                                write);
                               [] ->
-                                  ?LOG(error,
-                                       "Cannot retain message(topic=~ts) for table is full!",
-                                       [Topic]),
-                                  ok
+                                  mnesia:abort(table_is_full)
                           end
             end,
-            {atomic, ok} = mria:transaction(?RETAINER_SHARD, Fun),
-            ok
+            case mria:transaction(?RETAINER_SHARD, Fun) of
+                {atomic, ok} ->  ok;
+                {aborted, Reason} -> ?SLOG(error, #{msg => "failed_to_retain_message", topic => Topic, reason => Reason})
+            end
     end.
 
 clear_expired(_) ->

apps/emqx_retainer/src/emqx_retainer_pool.erl

@@ -84,7 +84,7 @@ init([Pool, Id]) ->
           {stop, Reason :: term(), Reply :: term(), NewState :: term()} |
           {stop, Reason :: term(), NewState :: term()}.
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 %%--------------------------------------------------------------------
@@ -101,12 +101,12 @@ handle_call(Req, _From, State) ->
 handle_cast({async_submit, Task}, State) ->
     try run(Task)
     catch _:Error:Stacktrace ->
-            ?LOG(error, "Error: ~0p, ~0p", [Error, Stacktrace])
+            ?SLOG(error, #{msg => "crashed_handling_async_task", exception => Error, stacktrace => Stacktrace})
     end,
     {noreply, State};
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------
@@ -121,7 +121,7 @@ handle_cast(Msg, State) ->
           {noreply, NewState :: term(), hibernate} |
           {stop, Reason :: normal | term(), NewState :: term()}.
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 %%--------------------------------------------------------------------

apps/emqx_slow_subs/src/emqx_slow_subs.erl

@@ -153,11 +153,11 @@ handle_call(clear_history, _, State) ->
     {reply, ok, State};
 
 handle_call(Req, _From, State) ->
-    ?LOG(error, "Unexpected call: ~p", [Req]),
+    ?SLOG(error, #{msg => "unexpected_call", call => Req}),
     {reply, ignored, State}.
 
 handle_cast(Msg, State) ->
-    ?LOG(error, "Unexpected cast: ~p", [Msg]),
+    ?SLOG(error, #{msg => "unexpected_cast", cast => Msg}),
     {noreply, State}.
 
 handle_info(expire_tick, State) ->
@@ -173,7 +173,7 @@ handle_info(notice_tick, State) ->
     {noreply, State#{last_tick_at := ?NOW}};
 
 handle_info(Info, State) ->
-    ?LOG(error, "Unexpected info: ~p", [Info]),
+    ?SLOG(error, #{msg => "unexpected_info", info => Info}),
     {noreply, State}.
 
 terminate(_Reason, _) ->