[2261678877] Upstream Reporter: Timothée Ravier
Upstream issue status: Open
Upstream description:

1. 1. 1. Describe the enhancement

Investigate adding UKI support for Fedora CoreOS for selected cloud / hardware platforms.

UKI are Unified Kernel Images including the kernel, initrd and kernel command line in a single EFI binary that is optionally Secure Boot signed.

1. 1. 1. System details

Only platforms where it makes sense.

1. 1. 1. Additional information

See:

• https://fedoraproject.org/wiki/Changes/Unified_Kernel_Support_Phase_1
• https://fedoraproject.org/wiki/Changes/Unified_Kernel_Support_Phase_2
• https://discussion.fedoraproject.org/t/f40-change-proposal-unified-kernel-support-phase-2-system-wide/98298
• Cloud-Base-UEFI-UKI image in Fedora: https://pagure.io/fedora-kiwi-descriptions/blob/rawhide/f/teams/cloud/cloud.xml#_21

Required work / dependencies:

• https://github.com/coreos/fedora-coreos-tracker/issues/1038
• https://github.com/ostreedev/ostree/issues/2753

Not strictly required but would be really nice to have:

• https://github.com/ostreedev/ostree/issues/1719

Related but not required:

• https://github.com/systemd/systemd/issues/24539