feat(func): Translate standardized log levels to journald

cfddns.sh

@@ -113,6 +113,29 @@ standardizeLogLevels() {
   esac
 }
 
+translateLogLevelsToJournalD() {
+  LEVEL_TO_TRANSLATE="$(standardizeLogLevels "$1")"
+  case "$LEVEL_TO_TRANSLATE" in
+  "CRIT")
+    echo 2
+    ;;
+  "ERR")
+    echo 3
+    ;;
+  "WARN")
+    echo 4
+    ;;
+  "INFO")
+    echo 6
+    ;;
+  "DEBUG")
+    echo 7
+    ;;
+  *)
+    echo 6
+  esac
+}
+
 # $1: message, $2: level, $3: status, [$4: operation], [$5: code]
 writeJsonLog() {
   # not enough information to generate a meaningful log message