fix: optimize ServerInfo() handler to avoid reading config (#10626)

fixes #10620

cmd/logger/targets.go

@@ -20,6 +20,8 @@ package logger
 // a single log entry and Send it to the log target
 //   e.g. Send the log to a http server
 type Target interface {
+	String() string
+	Endpoint() string
 	Validate() error
 	Send(entry interface{}, errKind string) error
 }