From 2982166e03b02459e15e08d14e4ab3dbf8f033a9 Mon Sep 17 00:00:00 2001
From: Alfonso Acosta <fons@weave.works>
Date: Tue, 23 Feb 2016 16:35:58 +0000
Subject: [PATCH] Handle closing of docker events channel gracefully

---
 probe/docker/registry.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/probe/docker/registry.go b/probe/docker/registry.go
index c9e06c73bc..f17653e7be 100644
--- a/probe/docker/registry.go
+++ b/probe/docker/registry.go
@@ -161,7 +161,11 @@ func (r *registry) listenForEvents() bool {
 	otherUpdates := time.Tick(r.interval)
 	for {
 		select {
-		case event := <-events:
+		case event, ok := <-events:
+			if !ok {
+				log.Errorf("docker registry: event listener unexpectedly disconnected")
+				return true
+			}
 			r.handleEvent(event)
 
 		case <-otherUpdates: