feat(logger): Add log level translator functions

logger.sh

@@ -16,6 +16,53 @@ uppercase() {
   echo "$1" | tr '[:lower:] [:upper:]'
 }
 
+standardizeLogLevels() {
+  LEVEL_TO_TRANSLATE="$1"
+  case "$LEVEL_TO_TRANSLATE" in
+  "critical" | "crit" | "fatal")
+    echo "CRIT"
+    ;;
+  "error" | "err")
+    echo "ERR"
+    ;;
+  "warning" | "warn")
+    echo "WARN"
+    ;;
+  "information" | "info")
+    echo "INFO"
+    ;;
+  "debug" | "verbose")
+    echo "DEBUG"
+    ;;
+  *)
+    echo "INFO"
+    ;;
+  esac
+}
+
+translateLogLevelsToJournalD() {
+  LEVEL_TO_TRANSLATE="$(standardizeLogLevels "$1")"
+  case "$LEVEL_TO_TRANSLATE" in
+  "CRIT")
+    return 5
+    ;;
+  "ERR")
+    return 4
+    ;;
+  "WARN")
+    return 3
+    ;;
+  "INFO")
+    return 1
+    ;;
+  "DEBUG")
+    return 0
+    ;;
+  *)
+    return 0
+  esac
+}
+
 # modified syslog fmt: <ISO-8601 timestamp> <hostname> <tag>[pid]: [LEVEL:$2] [STATUS:$3] <MESSAGE:$1> (<OPERATION:$4>:<CODE:$5>)
 writePlainTextLog() {
   # not enough information to generate a meaningful log message