1 files changed, 91 insertions, 0 deletions
diff --git a/weed/util/log/logger.go b/weed/util/log/logger.go
new file mode 100644
index 000000000..54c4f35ff
--- /dev/null
+++ b/weed/util/log/logger.go
@@ -0,0 +1,91 @@
+package log
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	LogLevel = "LOG"
+)
+
+var (
+	logger = logrus.New()
+)
+
+func init() {
+	envLevel, _ := os.LookupEnv(LogLevel)
+	if envLevel == "" {
+		envLevel = "info"
+	}
+	level := logLevel(envLevel)
+	logger.SetLevel(level)
+	formatter := &logrus.TextFormatter{
+		FullTimestamp:          false,
+		DisableLevelTruncation: true,
+	}
+	logger.SetFormatter(formatter)
+
+}
+
+func logLevel(lvl string) logrus.Level {
+
+	switch lvl {
+	case "trace":
+		return logrus.TraceLevel
+	case "debug":
+		return logrus.DebugLevel
+	case "info":
+		return logrus.InfoLevel
+	case "warn":
+		return logrus.WarnLevel
+	case "error":
+		return logrus.ErrorLevel
+	case "fatal":
+		return logrus.FatalLevel
+	default:
+		panic(fmt.Sprintf("the specified %s log level is not supported. Use [trace|debug|info|warn|error|fatal]", lvl))
+	}
+}
+
+func Info(values ...interface{}) {
+	logger.Info(values...)
+}
+func Infof(fmt string, values ...interface{}) {
+	logger.Infof(fmt, values...)
+}
+func Infoln(values ...interface{}) {
+	logger.Infoln(values...)
+}
+func Debugf(fmt string, values ...interface{}) {
+	logger.Debugf(fmt, values...)
+}
+func Debug(values ...interface{}) {
+	logger.Debug(values...)
+}
+func Tracef(fmt string, values ...interface{}) {
+	logger.Tracef(fmt, values...)
+}
+func Trace(values ...interface{}) {
+	logger.Trace(values...)
+}
+func Warnf(fmt string, values ...interface{}) {
+	logger.Warnf(fmt, values...)
+}
+func Fatalf(fmt string, values ...interface{}) {
+	logger.Fatalf(fmt, values...)
+}
+func Errorf(fmt string, values ...interface{}) {
+	logger.Errorf(fmt, values...)
+}
+func Error(values ...interface{}) {
+	logger.Error(values...)
+}
+func Fatal(values ...interface{}) {
+	logger.Fatal(values...)
+}
+func IsTrace() bool {
+	return logger.IsLevelEnabled(logrus.TraceLevel)
+}