From 7b57fa64000460271d7bb43b56bc41a77ed84891 Mon Sep 17 00:00:00 2001
From: Denis Gukov <denguk@gmail.com>
Date: Wed, 20 Sep 2023 20:38:29 +0200
Subject: [PATCH] feat(config): print more info about validation

---
 util/config.go | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/util/config.go b/util/config.go
index c78709b52..0cf9d7875 100644
--- a/util/config.go
+++ b/util/config.go
@@ -394,23 +394,32 @@ func validate(value interface{}) error {
 			continue
 		}
 
-		var value string
+		var strVal string
 
 		if fieldType.Type.Kind() == reflect.Int {
-			value = strconv.FormatInt(fieldValue.Int(), 10)
+			strVal = strconv.FormatInt(fieldValue.Int(), 10)
 		} else if fieldType.Type.Kind() == reflect.Uint {
-			value = strconv.FormatUint(fieldValue.Uint(), 10)
+			strVal = strconv.FormatUint(fieldValue.Uint(), 10)
 		} else {
-			value = fieldValue.String()
+			strVal = fieldValue.String()
 		}
 
-		match, _ := regexp.MatchString(rule, value)
-		if !match {
-			return fmt.Errorf(
-				"value of field '%v' is not valid! (Must match regex: '%v')",
-				fieldType.Name, rule,
-			)
+		match, _ := regexp.MatchString(rule, strVal)
+
+		if match {
+			continue
+		}
+
+		fieldName := strings.ToLower(fieldType.Name)
+
+		if strings.Contains(fieldName, "password") || strings.Contains(fieldName, "secret") || strings.Contains(fieldName, "key") {
+			strVal = "***"
 		}
+
+		return fmt.Errorf(
+			"value of field '%v' is not valid: %v (Must match regex: '%v')",
+			fieldType.Name, strVal, rule,
+		)
 	}
 
 	return nil