From d5f02b2970c15254f3f795caf8a1cc900aeea475 Mon Sep 17 00:00:00 2001
From: Zach Loafman <zml@google.com>
Date: Fri, 17 Apr 2015 09:48:27 -0700
Subject: [PATCH] Use flock around gcloud component update to avoid race

---
 hack/jenkins/e2e.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hack/jenkins/e2e.sh b/hack/jenkins/e2e.sh
index a4635f79b40..2e07193a4e6 100755
--- a/hack/jenkins/e2e.sh
+++ b/hack/jenkins/e2e.sh
@@ -102,7 +102,7 @@ else
         exit 1
     fi
 
-    sudo gcloud components update -q || true
+    sudo flock -x -n /var/run/lock/gcloud-components.lock -c "gcloud components update -q" || true
 
     GITHASH=$(gsutil cat gs://kubernetes-release/ci/latest.txt)
     gsutil -m cp gs://kubernetes-release/ci/${GITHASH}/kubernetes.tar.gz gs://kubernetes-release/ci/${GITHASH}/kubernetes-test.tar.gz .