These overlay directories are automatically committed to the build OSTree repo
by coreos-assembler. They are then explicitly included in our various manifest
files via ostree-layers (this used to be done automatically, but that's no
longer the case).
Import 05core overlay from fedora-coreos-config
Blacklist the nouveau driver because it causes issues with some NVidia GPUs in EC2, and we don't have a use case for FCOS with nouveau.
"Cannot boot an p3.2xlarge instance with RHCOS (g3.4xlarge is working)" https://bugzilla.redhat.com/show_bug.cgi?id=1700056
General RHCOS specific overlay.
Real Time kernel support extracted from tuned.
Handle DHCP-provided NTP servers and configure chrony to use them, without overwriting platform-specific configuration. Can be removed once changes in upstream chrony with support for per-platform defaults (https://bugzilla.redhat.com/show_bug.cgi?id=1828434), and handling in 20-chrony and chrony-helper using the defaults lands in downstream packages. See upstream thread: https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-dev/2020/05/msg00022.html
We want to provide Azure udev rules as part of the initrd, so that Ignition is able to detect disks and act on them. The WALinuxAgent-udev has been changed to install udev rules into the initramfs, but that change isn't in el8 yet. This can be dropped when moving to el9.