OPENSTACK_USERNAME=$(cat /opt/config/openstack_username.txt)
OPENSTACK_APIKEY=$(cat /opt/config/api_key.txt)
export MSO_DOCKER_IMAGE_VERSION=$(cat /opt/config/docker_version.txt)
+export MTU=$(/sbin/ifconfig | grep MTU | sed 's/.*MTU://' | sed 's/ .*//' | sort -n | head -1)
# Deployments in OpenStack require a keystone file
if [ -e /opt/config/keystone.txt ]