First commit

middleware/roller.go

@@ -0,0 +1,27 @@
+package middleware
+
+import (
+	"io"
+
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+// LogRoller implements a middleware that provides a rolling logger.
+type LogRoller struct {
+	Filename   string
+	MaxSize    int
+	MaxAge     int
+	MaxBackups int
+	LocalTime  bool
+}
+
+// GetLogWriter returns an io.Writer that writes to a rolling logger.
+func (l LogRoller) GetLogWriter() io.Writer {
+	return &lumberjack.Logger{
+		Filename:   l.Filename,
+		MaxSize:    l.MaxSize,
+		MaxAge:     l.MaxAge,
+		MaxBackups: l.MaxBackups,
+		LocalTime:  l.LocalTime,
+	}
+}