TUN-7126: Add Management logger io.Writer

management/events.go

@@ -0,0 +1,40 @@
+package management
+
+// LogEventType is the way that logging messages are able to be filtered.
+// Example: assigning LogEventType.Cloudflared to a zerolog event will allow the client to filter for only
+// the Cloudflared-related events.
+type LogEventType int
+
+const (
+	Cloudflared LogEventType = 0
+	HTTP        LogEventType = 1
+	TCP         LogEventType = 2
+	UDP         LogEventType = 3
+)
+
+func (l LogEventType) String() string {
+	switch l {
+	case Cloudflared:
+		return "cloudflared"
+	case HTTP:
+		return "http"
+	case TCP:
+		return "tcp"
+	case UDP:
+		return "udp"
+	default:
+		return ""
+	}
+}
+
+// LogLevel corresponds to the zerolog logging levels
+// "panic", "fatal", and "trace" are exempt from this list as they are rarely used and, at least
+// the the first two are limited to failure conditions that lead to cloudflared shutting down.
+type LogLevel string
+
+const (
+	Debug LogLevel = "debug"
+	Info  LogLevel = "info"
+	Warn  LogLevel = "warn"
+	Error LogLevel = "error"
+)