fix

config/sys-dev.config

@@ -85,6 +85,10 @@
       {handler, default, logger_std_h,
         #{
           level => debug,
+          filter_default => stop,
+          filters => [
+            {iot_only, {fun logger_filters:domain/2, {log, sub, [iot]}}}
+          ],
           formatter => {logger_formatter, #{template => [time, " [", level, "] ", msg, "\n"]}}
         }
       },
@@ -92,6 +96,10 @@
       {handler, disk, logger_disk_log_h,
         #{
           level => debug,
+          filter_default => stop,
+          filters => [
+            {iot_only, {fun logger_filters:domain/2, {log, sub, [iot]}}}
+          ],
           config => #{
           file => "log/debug.log",
           max_no_files => 10,

config/sys-prod.config

@@ -55,6 +55,10 @@
       {handler, default, logger_std_h,
         #{
           level => debug,
+          filter_default => stop,
+          filters => [
+            {iot_only, {fun logger_filters:domain/2, {log, sub, [iot]}}}
+          ],
           formatter => {logger_formatter, #{template => [time, " [", level, "] ", msg, "\n"]}}
         }
       },
@@ -62,6 +66,10 @@
       {handler, disk, logger_disk_log_h,
         #{
           level => debug,
+          filter_default => stop,
+          filters => [
+            {iot_only, {fun logger_filters:domain/2, {log, sub, [iot]}}}
+          ],
           config => #{
           file => "log/debug.log",
           max_no_files => 10,

rebar.config

@@ -47,7 +47,7 @@
         %% exist but can be set manually, which
         %% is required if the names aren't exactly
         %% sys.config and vm.args
-        {sys_config, "./config/sys.config"},
+        {sys_config, "./config/sys-dev.config"},
         {vm_args, "./config/vm.args"}
 
         %% the .src form of the configuration files do
@@ -60,7 +60,8 @@
                      [%% prod is the default mode when prod
                       %% profile is used, so does not have
                       %% to be explicitly included like this
-                      {mode, prod}
+                      {mode, prod},
+                      {sys_config, "./config/sys-prod.config"}
 
                       %% use minimal mode to exclude ERTS
                       %% {mode, minimal}

src/adapters/influxdb/influx_client.erl

@@ -101,6 +101,7 @@ start_link(Opts) when is_list(Opts) ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([InfluxProps]) ->
+    ok = iot_log:set_metadata(),
     Token = proplists:get_value(token, InfluxProps),
     Host = proplists:get_value(host, InfluxProps),
     Port = proplists:get_value(port, InfluxProps),

src/endpoint/endpoint_http.erl

@@ -45,6 +45,7 @@ start_link(LocalName, Endpoint = #endpoint{config = #http_endpoint{}}) when is_a
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([Endpoint = #endpoint{matcher = Matcher}]) ->
+    ok = iot_log:set_metadata(),
     endpoint_subscription:subscribe(Matcher, self()),
     Buffer = endpoint_buffer:new(Endpoint, 10),
     {ok, #state{endpoint = Endpoint, buffer = Buffer}}.

src/endpoint/endpoint_kafka.erl

@@ -51,6 +51,7 @@ start_link(LocalName, Endpoint = #endpoint{}) when is_atom(LocalName) ->
 %% gen_statem:start_link/[3,4], this function is called by the new
 %% process to initialize.
 init([Endpoint = #endpoint{id = Id, matcher = Matcher}]) ->
+    ok = iot_log:set_metadata(),
     endpoint_subscription:subscribe(Matcher, self()),
 
     erlang:process_flag(trap_exit, true),

src/endpoint/endpoint_mqtt.erl

@@ -53,6 +53,7 @@ start_link(LocalName, Endpoint = #endpoint{}) when is_atom(LocalName) ->
 %% gen_statem:start_link/[3,4], this function is called by the new
 %% process to initialize.
 init([Endpoint = #endpoint{matcher = Matcher}]) ->
+    ok = iot_log:set_metadata(),
     % erlang:process_flag(trap_exit, true),
     endpoint_subscription:subscribe(Matcher, self()),
 

src/endpoint/endpoint_subscription.erl

@@ -69,6 +69,7 @@ start_link() ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([]) ->
+    ok = iot_log:set_metadata(),
     {ok, #state{}}.
 
 %% @private

src/endpoint/endpoint_timer.erl

@@ -54,6 +54,7 @@ start_link(RetryInterval) when is_integer(RetryInterval) ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([RetryInterval]) ->
+    ok = iot_log:set_metadata(),
     {ok, #state{retry_interval = RetryInterval}}.
 
 %% @private

src/host/iot_event_stream_observer.erl

@@ -56,6 +56,7 @@ start_link() ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([]) ->
+    ok = iot_log:set_metadata(),
     {ok, #state{}}.
 
 %% @private

src/host/iot_host.erl

@@ -174,6 +174,7 @@ start_link(Name, UUID) when is_atom(Name), is_binary(UUID) ->
 %% gen_statem:start_link/[3,4], this function is called by the new
 %% process to initialize.
 init([UUID]) ->
+    ok = iot_log:set_metadata(),
     case iot_api_client:get_host_by_uuid(UUID) of
         {ok, #{<<"id">> := HostId, <<"authorize_status">> := AuthorizeStatus}} ->
             %% 通过host_id注册别名, 可以避免通过查询数据库获取HostPid

src/iot_app.erl

@@ -9,6 +9,7 @@
 -export([start/2, stop/1]).
 
 start(_StartType, _StartArgs) ->
+    ok = iot_log:set_metadata(),
     io:setopts([{encoding, unicode}]),
     %% 加速内存的回收
     erlang:system_flag(fullsweep_after, 16),

src/iot_log.erl

@@ -0,0 +1,10 @@
+%%%-------------------------------------------------------------------
+%%% @doc Logger helper for project-scoped metadata.
+%%%-------------------------------------------------------------------
+-module(iot_log).
+
+-export([set_metadata/0]).
+
+-spec set_metadata() -> ok.
+set_metadata() ->
+    logger:set_process_metadata(#{domain => [iot]}).

src/transport/http/event_stream_handler.erl

@@ -13,6 +13,7 @@
 -export([init/2]).
 
 init(Req0, Opts) ->
+    ok = iot_log:set_metadata(),
     Method = binary_to_list(cowboy_req:method(Req0)),
     Path = binary_to_list(cowboy_req:path(Req0)),
     GetParams0 = cowboy_req:parse_qs(Req0),

src/transport/http/http_protocol.erl

@@ -13,6 +13,7 @@
 -export([init/2]).
 
 init(Req0, Opts = [Mod|_]) ->
+    ok = iot_log:set_metadata(),
     Method = binary_to_list(cowboy_req:method(Req0)),
     Path = binary_to_list(cowboy_req:path(Req0)),
     GetParams0 = cowboy_req:parse_qs(Req0),

src/transport/tcp/tcp_channel.erl

@@ -64,6 +64,7 @@ start_link(Ref, Transport, Opts) ->
     {ok, proc_lib:spawn_link(?MODULE, init, [Ref, Transport, Opts])}.
 
 init(Ref, Transport, _Opts = []) ->
+    ok = iot_log:set_metadata(),
     {ok, Socket} = ranch:handshake(Ref),
     logger:debug("[sdlan_channel] get a new connection: ~p", [Socket]),
     Transport:setopts(Socket, [binary, {active, true}, {packet, 4}]),