From a3ad8391db4f55d3b4873987742c5fe9bf94d5f2 Mon Sep 17 00:00:00 2001
From: Yang Guo <ygg@google.com>
Date: Fri, 10 Nov 2017 16:03:48 -0800
Subject: [PATCH] Set CONTAINER_RUNTIME default value to 'docker'

---
 cluster/gce/gci/configure-helper.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cluster/gce/gci/configure-helper.sh b/cluster/gce/gci/configure-helper.sh
index 54b025b1ed..00b11b495e 100644
--- a/cluster/gce/gci/configure-helper.sh
+++ b/cluster/gce/gci/configure-helper.sh
@@ -2050,7 +2050,7 @@ fi
 
 override-kubectl
 # Run the containerized mounter once to pre-cache the container image.
-if [[ "${CONTAINER_RUNTIME:-}" == "docker" ]]; then
+if [[ "${CONTAINER_RUNTIME:-docker}" == "docker" ]]; then
   assemble-docker-flags
 fi
 start-kubelet