image_name=nfvbenchvm_centos-$__version__
# if image exists skip building
if command -v gsutil >/dev/null; then
if gsutil -q stat gs://$gs_url/$image_name.qcow2; then
image_name=nfvbenchvm_centos-$__version__
# if image exists skip building
if command -v gsutil >/dev/null; then
if gsutil -q stat gs://$gs_url/$image_name.qcow2; then