image-base.yaml

# This file is shared by all streams. For a stream-specific change, use
# image.yaml instead.

# Target disk size in GB.
# Make it at least 10G because we want the rootfs to be at least 8G:
# https://github.com/coreos/fedora-coreos-tracker/issues/586
size: 10

extra-kargs:
    # Disable SMT on systems vulnerable to MDS or any similar future issue.
    - mitigations=auto,nosmt

# Disable networking by default on firstboot. We can drop this once cosa stops
# defaulting to `ip=dhcp,dhcp6 rd.neednet=1` when it doesn't see this key.
ignition-network-kcmdline: []

# Optional remote by which to prefix the deployed OSTree ref
ostree-remote: fedora

# opt in to using the `metadata_csum_seed` feature of the ext4 filesystem
# for the /boot filesystem. Support for this was only recently added to grub
# and isn't available everywhere yet so we'll gate it behind this image.yaml
# knob. It should be easy to know when RHEL/RHCOS supports this by just flipping
# this to `true` and doing a build. It should error when building the disk
# images if grub doesn't support it.
# https://lists.gnu.org/archive/html/grub-devel/2021-06/msg00031.html
bootfs_metadata_csum_seed: true

# After this, we plan to add support for the Ignition
# storage/filesystems sections.  (Although one can do
# that on boot as well)