From e57d2f987d03d48a5b8cf3ee127551feb55434ce Mon Sep 17 00:00:00 2001
From: Andrei Ushakov <aushakov@netflix.com>
Date: Sat, 30 Apr 2016 20:47:24 -0700
Subject: [PATCH] don't add /etc/hosts record if ip is empty (issue #1146)
Signed-off-by: Andrei Ushakov <aushakov@netflix.com>
---
libnetwork/sandbox_dns_unix.go | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libnetwork/sandbox_dns_unix.go b/libnetwork/sandbox_dns_unix.go
index ac1f53c76e..8d59e3d66a 100644
--- a/libnetwork/sandbox_dns_unix.go
+++ b/libnetwork/sandbox_dns_unix.go
@@ -90,6 +90,10 @@ func (sb *sandbox) buildHostsFile() error {
func (sb *sandbox) updateHostsFile(ifaceIP string) error {
var mhost string
+ if ifaceIP == "" {
+ return nil
+ }
+
if sb.config.originHostsPath != "" {
return nil
}