trusty_image=${image_path}/trusty-server-cloudimg-amd64-disk1.img
if [[ ! -f ${trusty_image} ]]; then
echo "Download image trusty-server-cloudimg-amd64-disk1.img ..."
wget -q -nc http://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img -P ${image_path}
fi
trusty_image=${image_path}/trusty-server-cloudimg-amd64-disk1.img
if [[ ! -f ${trusty_image} ]]; then
echo "Download image trusty-server-cloudimg-amd64-disk1.img ..."
wget -q -nc http://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img -P ${image_path}
fi