1 files changed, 35 insertions, 0 deletions
diff --git a/middleware/roller.go b/middleware/roller.go
index 995cabf91..81ff71c44 100644
--- a/middleware/roller.go
+++ b/middleware/roller.go
@@ -2,10 +2,45 @@ package middleware
 
 import (
 	"io"
+	"strconv"
 
+	"github.com/mholt/caddy"
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
+func ParseRoller(c *caddy.Controller) (*LogRoller, error) {
+	var size, age, keep int
+	// This is kind of a hack to support nested blocks:
+	// As we are already in a block: either log or errors,
+	// c.nesting > 0 but, as soon as c meets a }, it thinks
+	// the block is over and return false for c.NextBlock.
+	for c.NextBlock() {
+		what := c.Val()
+		if !c.NextArg() {
+			return nil, c.ArgErr()
+		}
+		value := c.Val()
+		var err error
+		switch what {
+		case "size":
+			size, err = strconv.Atoi(value)
+		case "age":
+			age, err = strconv.Atoi(value)
+		case "keep":
+			keep, err = strconv.Atoi(value)
+		}
+		if err != nil {
+			return nil, err
+		}
+	}
+	return &LogRoller{
+		MaxSize:    size,
+		MaxAge:     age,
+		MaxBackups: keep,
+		LocalTime:  true,
+	}, nil
+}
+
 // LogRoller implements a middleware that provides a rolling logger.
 type LogRoller struct {
 	Filename   string