From b4b27ebaea3e1145926555b139a2910af855215e Mon Sep 17 00:00:00 2001
From: Bo Ye <boy.e.computer.1982@outlook.com>
Date: Tue, 22 Aug 2017 18:35:09 +1200
Subject: [PATCH] metrics: change MetricsEnabledFlag to be const

---
 metrics/metrics.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metrics/metrics.go b/metrics/metrics.go
index 9906bb8ad..da2cdbc53 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -29,7 +29,7 @@ import (
 )
 
 // MetricsEnabledFlag is the CLI flag name to use to enable metrics collections.
-var MetricsEnabledFlag = "metrics"
+const MetricsEnabledFlag = "metrics"
 
 // Enabled is the flag specifying if metrics are enable or not.
 var Enabled = false
-- 
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