From 969d660c4023ca048a8153e334a0d2ee1fc4ab77 Mon Sep 17 00:00:00 2001
From: cuiwei13 <cuiwei13@pku.edu.cn>
Date: Wed, 18 May 2016 16:29:06 +0800
Subject: [PATCH] add checking to avoid using overlayfs (due to no quota
 support, similar to aufs driver issue, which is protential for containers to
 run out of disk space easily with a simple command: dd if=/dev/zero of=hack
 ).

Signed-off-by: cuiwei13 <cuiwei13@pku.edu.cn>
---
 tests/2_docker_daemon_configuration.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/2_docker_daemon_configuration.sh b/tests/2_docker_daemon_configuration.sh
index 3822b62..b416994 100644
--- a/tests/2_docker_daemon_configuration.sh
+++ b/tests/2_docker_daemon_configuration.sh
@@ -40,8 +40,8 @@ else
 fi
 
 # 2.5
-check_2_5="2.5  - Do not use the aufs storage driver"
-docker info 2>/dev/null | grep -e "^Storage Driver:\s*aufs\s*$" >/dev/null 2>&1
+check_2_5="2.5  - Do not use the aufs/overlayfs storage driver"
+docker info 2>/dev/null | grep -e "^Storage Driver:\s*aufs\s*$" -e "^Storage Driver:\s*overlay\s*$" >/dev/null 2>&1
 if [ $? -eq 0 ]; then
   warn "$check_2_5"
 else