Renamed monitor module to log_sup and added config module

apps/log_monitor/src/config.erl

@@ -0,0 +1,34 @@
+-module(config).
+-behaviour(gen_server).
+
+-export([monitor_log/1]).
+-export([start_link/0, init/1, terminate/2]).
+-export([handle_info/2, handle_cast/2, handle_call/3]).
+-export([code_change/3]).
+
+start_link() ->
+    gen_server:start_link(?MODULE, [], []).
+
+init([]) ->
+    register(config, self()),
+    {ok, []}.
+
+handle_info(_Msg, State) ->
+    {noreply, State}.
+
+handle_cast(_Msg, State) ->
+    {noreply, State}.
+
+handle_call({monitor, Path}, _From, State) ->
+    supervisor:start_child(logfiles_sup, [Path]),
+    {reply, ok, State}.
+
+terminate(_Reason, _State) ->
+    shutdown.
+
+code_change(_OldVsn, State, _Extra) ->
+    {ok, State}.
+
+monitor_log(Path) ->
+    config ! {monitor, Path},
+    gen_server:call(config, {monitor, Path}).

apps/log_monitor/src/coordinator.erl

@@ -21,6 +21,12 @@ init([]) ->
                      restart => permanent,
                      type => supervisor,
                      shutdown => 5000
+                   },
+                  #{
+                     id => config,
+                     start => {config, start_link, []},
+                     restart => permanent,
+                     shutdown => 5000
                    }
                  ],
     {ok, {SupFlags, ChildSpecs}}.

apps/log_monitor/src/log_sup.erl

@@ -1,4 +1,4 @@
--module(monitor).
+-module(log_sup).
 -behaviour(supervisor).
 
 -export([start_link/1]).

apps/log_monitor/src/logfiles_sup.erl

@@ -5,7 +5,7 @@
 -export([init/1]).
 
 start_link() ->
-    supervisor:start_link({local, logfiles_sup}, ?MODULE, []).
+    supervisor:start_link({local, ?MODULE}, ?MODULE, []).
 
 init([]) ->
     SupFlags = #{
@@ -14,12 +14,9 @@ init([]) ->
       period => 1
      },
     ChildSpecs = [#{
-                     id => monitor,
+                     id => log_sup,
-                     start => {monitor, start_link, []},
+                     start => {log_sup, start_link, []},
                      restart => temporary,
                      shutdown => 5000
                    }],
     {ok, {SupFlags, ChildSpecs}}.
-
-%% Start monitor with:
-%% supervisor:start_child(logfiles_sup, "/tmp/lines.log")