From 110f157621b873fed8f529f7024be3005efe219d Mon Sep 17 00:00:00 2001
From: Mitsuhiro Tanda <mitsuhiro.tanda@gmail.com>
Date: Thu, 7 Sep 2017 15:56:16 +0900
Subject: [PATCH] parse duration

---
 pkg/tsdb/cloudwatch/cloudwatch.go | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/pkg/tsdb/cloudwatch/cloudwatch.go b/pkg/tsdb/cloudwatch/cloudwatch.go
index 58c14685d96..d86acfa6ee4 100644
--- a/pkg/tsdb/cloudwatch/cloudwatch.go
+++ b/pkg/tsdb/cloudwatch/cloudwatch.go
@@ -254,9 +254,19 @@ func parseQuery(model *simplejson.Json) (*CloudWatchQuery, error) {
 			p = "60"
 		}
 	}
-	period, err := strconv.Atoi(p)
-	if err != nil {
-		return nil, err
+
+	period := 300
+	if regexp.MustCompile(`^\d+$`).Match([]byte(p)) {
+		period, err = strconv.Atoi(p)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		d, err := time.ParseDuration(p)
+		if err != nil {
+			return nil, err
+		}
+		period = int(d.Seconds())
 	}
 
 	alias := model.Get("alias").MustString("{{metric}}_{{stat}}")