From e54c990f50b02521616a573bbbf160d54b87c93b Mon Sep 17 00:00:00 2001
From: Sean Chittenden <sean@chittenden.org>
Date: Sat, 23 Apr 2016 17:17:07 -0700
Subject: [PATCH] Detect type conversion failure

---
 physical/consul.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/physical/consul.go b/physical/consul.go
index 4a639a982d..1ef63c3c11 100644
--- a/physical/consul.go
+++ b/physical/consul.go
@@ -511,7 +511,10 @@ func (c *ConsulBackend) DetectHostAddr() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	addr := self["Member"]["Addr"].(string)
+	addr, ok := self["Member"]["Addr"].(string)
+	if !ok {
+		return "", fmt.Errorf("Unable to convert an address to string")
+	}
 	return addr, nil
 }