1 files changed, 54 insertions, 0 deletions
diff --git a/src/go/logger/level.go b/src/go/logger/level.go
new file mode 100644
index 00000000..97dccb20
--- /dev/null
+++ b/src/go/logger/level.go
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package logger
+
+import (
+	"log/slog"
+	"strings"
+)
+
+const (
+	levelNotice  = slog.Level(2)
+	levelDisable = slog.Level(99)
+)
+
+var (
+	customLevels = map[slog.Leveler]string{
+		levelNotice: "NOTICE",
+	}
+	customLevelsTerm = map[slog.Leveler]string{
+		levelNotice: "\u001B[34m" + "NTC" + "\u001B[0m",
+	}
+)
+
+var Level = &level{lvl: &slog.LevelVar{}}
+
+type level struct {
+	lvl *slog.LevelVar
+}
+
+func (l *level) Enabled(level slog.Level) bool {
+	return level >= l.lvl.Level()
+}
+
+func (l *level) Set(level slog.Level) {
+	l.lvl.Set(level)
+}
+
+func (l *level) SetByName(level string) {
+	// https://github.com/netdata/netdata/tree/master/src/libnetdata/log#log-levels
+	switch strings.ToLower(level) {
+	case "err", "error":
+		l.lvl.Set(slog.LevelError)
+	case "warn", "warning":
+		l.lvl.Set(slog.LevelWarn)
+	case "notice":
+		l.lvl.Set(levelNotice)
+	case "info":
+		l.lvl.Set(slog.LevelInfo)
+	case "debug":
+		l.lvl.Set(slog.LevelDebug)
+	case "emergency", "alert", "critical":
+		l.lvl.Set(levelDisable)
+	}
+}