Upload Fedora cloud image

Prepare image

$ wget  https://download.fedoraproject.org/pub/fedora/linux/releases/24/CloudImages/x86_64/images/Fedora-Cloud-Base-24-1.2.x86_64.raw.xz
$ xz -d Fedora-Cloud-Base-24-1.2.x86_64.raw.xz

Upload image

$ stack dream openstack image create "Fedora 24 Cloud" --disk-format raw --container-format bare --file Fedora-Cloud-Base-24-1.2.x86_64.raw --property os_distro=fedora

or

$ openstack --os-cloud dream image create "Fedora 24 Cloud" --disk-format raw --container-format bare --file Fedora-Cloud-Base-24-1.2.x86_64.raw --property os_distro=fedora