actually fix the build?

pkg/etcdmtr/log.go

@@ -0,0 +1,35 @@
+package etcdmtr
+
+import (
+	"fmt"
+	"os"
+)
+
+type LogLevel int64
+
+const (
+	LOGLEVEL_DEBUG LogLevel = iota
+	LOGLEVEL_INFO
+	LOGLEVEL_WARNING
+	LOGLEVEL_ERROR
+	LOGLEVEL_CRITICAL
+	LOGLEVEL_FATAL
+)
+
+type ELog struct {
+}
+
+func (e *ELog) Log(message string, a ...any) (n int, err error) {
+	return fmt.Printf(message+"\n", a...)
+}
+
+func (e *ELog) Fatal(message string, a ...any) (n int, err error) {
+	e.Log(message, a...)
+	os.Exit(1)
+	return 0, nil
+}
+
+func NewRootLogger() *ELog {
+	logger := &ELog{}
+	return logger
+}