fix: TOOLS-2979 logging levels to have case insensitive compare

cmd/diff.go

@@ -162,6 +162,11 @@ func diffFlatMaps(m1 map[string]any, m2 map[string]any) []string {
 			continue
 		}
 
+		// #TOOLS-2979 if part of logging section and is valid logging enum when compared "info" == "INFO"
+		if strings.HasPrefix(k, "logging.") && isValidLoggingEnumCompare(v1, v2) {
+			continue
+		}
+
 		if !reflect.DeepEqual(v1, v2) {
 			res = append(res, fmt.Sprintf("%s:\n\t<: %v\n\t>: %v\n", k, v1, v2))
 		}

cmd/utils.go

@@ -19,12 +19,55 @@ const (
 	metaKeyAsadmVersion     = "asadm-version"
 )
 
+// LoggingEnum is a map of valid logging levels - collated from schema
+var LoggingEnum = map[string]bool{
+	"critical": true,
+	"warning":  true,
+	"info":     true,
+	"debug":    true,
+	"detail":   true,
+}
+
 type metaDataArgs struct {
 	src              []byte
 	aerospikeVersion string
 	asconfigVersion  string
 }
 
+func isValidLoggingEnumCompare(s1 any, s2 any) bool {
+	// convert to string
+	str1, ok := toString(s1)
+	if !ok {
+		return false
+	}
+	str2, ok := toString(s2)
+	if !ok {
+		return false
+	}
+	// convert to lower case
+	str1Lower := strings.ToLower(str1)
+	str2Lower := strings.ToLower(str2)
+
+	// check if the strings are valid logging levels
+	if _, ok := LoggingEnum[str1Lower]; !ok {
+		return false
+	}
+	if _, ok := LoggingEnum[str2Lower]; !ok {
+		return false
+	}
+
+	// compare the strings
+	if str1Lower == str2Lower {
+		return true
+	}
+	return false
+}
+
+func toString(value interface{}) (string, bool) {
+	str, ok := value.(string)
+	return str, ok
+}
+
 func genMetaDataText(src []byte, msg []byte, mdata map[string]string) ([]byte, error) {
 
 	metaHeader := "# *** Aerospike Metadata Generated by Asconfig ***"