From 82854bf09875ec9c06eba7efd5c30ee65d47c759 Mon Sep 17 00:00:00 2001
From: Chris O'Haver <cohaver@infoblox.com>
Date: Wed, 7 Feb 2018 11:31:08 -0500
Subject: plugin/kubernetes: Allow only one k8s section (#1497)

* allow only one k8s section

* add test
---
 plugin/kubernetes/setup.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'plugin/kubernetes/setup.go')

diff --git a/plugin/kubernetes/setup.go b/plugin/kubernetes/setup.go
index 86221a182..e8fc484bf 100644
--- a/plugin/kubernetes/setup.go
+++ b/plugin/kubernetes/setup.go
@@ -74,7 +74,10 @@ func kubernetesParse(c *caddy.Controller) (*Kubernetes, dnsControlOpts, error) {
 		resyncPeriod: defaultResyncPeriod,
 	}
 
-	for c.Next() {
+	for i := 1; c.Next(); i++ {
+		if i > 1 {
+			return nil, opts, fmt.Errorf("only one kubernetes section allowed per server block")
+		}
 		zones := c.RemainingArgs()
 
 		if len(zones) != 0 {
-- 
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