From f96a71615454caf2c1f6a1792d7064143b443c0b Mon Sep 17 00:00:00 2001
From: Stefan Junker <mail@stefanjunker.de>
Date: Wed, 30 Mar 2016 19:40:20 +0200
Subject: [PATCH] pkg/utils: use constant for chain prefix

---
 utils/utils.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/utils/utils.go b/utils/utils.go
index a07ccfab..e1468aaf 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -5,7 +5,8 @@ import (
 	"fmt"
 )
 
-const MaxChainLength = 29 - len("CNI-")
+const ChainCNIPrefix = ("CNI-")
+const MaxChainLength = 29 - len(ChainCNIPrefix)
 
 // Generates a chain name to be used with iptables.
 // Ensures that the generated name is less than
@@ -15,5 +16,5 @@ func FormatChainName(name string, id string) string {
 	if len(chain) > MaxChainLength {
 		chain = chain[:MaxChainLength]
 	}
-	return fmt.Sprintf("CNI-%s", chain)
+	return fmt.Sprintf("%s%s", ChainCNIPrefix, chain)
 }