fedora
Use Fedora cloud images as the baseline for built disk images.
If you wish to use a Fedora Yum mirror you can set DIB_DISTRIBUTION_MIRROR before running bin/disk-image-create. Example:
DIB_DISTRIBUTION_MIRROR=http://download.fedoraproject.org/pub/fedora/linux
This URL should point to the directory containing the releases/updates/ development/and extras directories.
For further details see the redhat-common README.