+LOCAL_IMAGE_FILE=${1:-""}
+
+if [ -e "${LOCAL_IMAGE_FILE}" ]; then
+ echo "Input local image file: ${LOCAL_IMAGE_FILE}"
+ PARSER_IMAGE_URL_FILE=${LOCAL_IMAGE_FILE}
+else
+ echo "No local image file or the file(${LOCAL_IMAGE_FILE}) doesn't exsit!"
+
+ PARSER_IMAGE_URL_FILE=cirros-0.3.5-x86_64-disk.img
+ PARSER_IMAGE_VERSION=$(echo ${PARSER_IMAGE_URL_FILE} | awk -F- '{print $2}')
+ # PARSER_IMAGE_URL=https://launchpad.net/cirros/trunk/0.3.0/+download/${PARSER_IMAGE_URL_FILE}
+ PARSER_IMAGE_URL=http://download.cirros-cloud.net/${PARSER_IMAGE_VERSION}/${PARSER_IMAGE_URL_FILE}
+ echo "so will download image(${PARSER_IMAGE_URL_FILE}) from ${PARSER_IMAGE_URL}."
+fi