set logger

apps/aircon/src/aircon_app.erl

@@ -10,7 +10,7 @@
 -export([start/2, stop/1]).
 
 start(_StartType, _StartArgs) ->
-    start_logger(),
+    set_logger_level(),
     logger:warning("call me here start logger"),
     aircon_sup:start_link().
 
@@ -19,37 +19,9 @@ stop(_State) ->
 
 %% internal functions
 
-start_logger() ->
-    filelib:ensure_dir("log/debug.log"),
-
-    logger:set_primary_config(level, info),
-    logger:set_application_level(aircon, info),
-
-    Formatter = #{
-        template => [
-            time, " [", level, "] ",
-            message, " ",
-            metadata, "\n"
-        ]
-    },
-
-    ok = logger:add_handler(
-        disk,
-        logger_disk_log_h,
-        #{
-            level => debug,
-            file => "log/debug.log",
-            size => 10485760,
-            max_no_files => 5,
-            formatter => {logger_formatter, Formatter}
-        }
-    ),
-
-    ok = logger:add_handler(
-        default_console,
-        logger_std_h,
-        #{
-            level => debug,
-            formatter => {logger_formatter, Formatter}
-        }
-    ).
+set_logger_level() ->
+    logger:set_application_level(kernel, notice),
+    logger:set_application_level(stdlib, notice),
+    logger:set_application_level(emqtt, debug),
+    logger:set_application_level(aircon, debug),
+    ok.

config/sys-dev.config

@@ -17,6 +17,19 @@
       {host, "118.178.229.213"},
       {port, 3361}
     ]}
+  ]},
+
+  {kernel, [
+    %% 设置 Logger 的 primary log level
+    {logger_level, debug},
+    {logger, [
+      {handler, default, logger_std_h,
+        #{
+          level => debug,
+          formatter => {logger_formatter, #{template => [time, " [", level, "] ", msg, "\n"]}}
+        }
+      }
+    ]}
   ]}
 
 ].