From 70188b31054e2bad73b9fee5251d68009bfcb22c Mon Sep 17 00:00:00 2001
From: Jesse Andrews <anotherjesse@gmail.com>
Date: Wed, 26 Oct 2011 21:59:20 -0700
Subject: [PATCH] add image caching to lxc

---
 tools/build_lxc.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/build_lxc.sh b/tools/build_lxc.sh
index b629183b14..786d8398c6 100755
--- a/tools/build_lxc.sh
+++ b/tools/build_lxc.sh
@@ -152,6 +152,15 @@ if [ "$USE_CURRENT_DEVSTACK" = "1" ]; then
     cp -pr $CWD $CACHEDIR/$DEST/devstack
 fi
 
+# pre-cache uec images
+for image_url in ${IMAGE_URLS//,/ }; do
+    IMAGE_FNAME=`basename "$image_url"`
+    if [ ! -f $CACHEDIR/$IMAGE_FNAME ]; then
+        wget -c $image_url -O $CACHEDIR/$IMAGE_FNAME
+    fi
+    cp $CACHEDIR/$IMAGE_FNAME $CACHEDIR/$DEST/devstack/files
+done
+
 # Destroy the old container
 lxc-destroy -n $GUEST_NAME