chore: improve the dashboard listener startup log

CHANGES-5.0.md

@@ -14,6 +14,11 @@
 * Fix AuthN JWKS SSL schema. Using schema in `emqx_schema`. [#8458](https://github.com/emqx/emqx/pull/8458)
 * `sentinel` field should be required when AuthN/AuthZ Redis using sentinel mode. [#8458](https://github.com/emqx/emqx/pull/8458)
 
+## Enhancements
+
+* Improve the dashboard listener startup log, the listener name is no longer spliced with port information,
+  and the colon(:) is no longer displayed when IP is not specified.[#8480](https://github.com/emqx/emqx/pull/8480)
+
 # 5.0.3
 
 ## Bug fixes

apps/emqx/src/emqx_listeners.erl

@@ -493,7 +493,7 @@ merge_default(Options) ->
     end.
 
 format_addr(Port) when is_integer(Port) ->
-    io_lib:format(":~w", [Port]);
+    io_lib:format("~w", [Port]);
 %% Print only the port number when bound on all interfaces
 format_addr({{0, 0, 0, 0}, Port}) ->
     format_addr(Port);

apps/emqx_dashboard/src/emqx_dashboard.erl

@@ -159,7 +159,7 @@ listeners(Listeners) ->
             maps:get(enable, Conf) andalso
                 begin
                     {Conf1, Bind} = ip_port(Conf),
-                    {true, {listener_name(Protocol, Conf1), Protocol, Bind, ranch_opts(Conf1)}}
+                    {true, {listener_name(Protocol), Protocol, Bind, ranch_opts(Conf1)}}
                 end
         end,
         maps:to_list(Listeners)
@@ -208,19 +208,8 @@ ranch_opts(Options) ->
 filter_false(_K, false, S) -> S;
 filter_false(K, V, S) -> [{K, V} | S].
 
-listener_name(Protocol, #{port := Port, ip := IP}) ->
-    Name =
-        "dashboard:" ++
-            atom_to_list(Protocol) ++ ":" ++
-            inet:ntoa(IP) ++ ":" ++
-            integer_to_list(Port),
-    list_to_atom(Name);
-listener_name(Protocol, #{port := Port}) ->
-    Name =
-        "dashboard:" ++
-            atom_to_list(Protocol) ++ ":" ++
-            integer_to_list(Port),
-    list_to_atom(Name).
+listener_name(Protocol) ->
+    list_to_atom(atom_to_list(Protocol) ++ ":dashboard").
 
 authorize(Req) ->
     case cowboy_req:parse_header(<<"authorization">>, Req) of