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3edbff730d
Addon images (e.g. the CoCo guest components addon) are not full root filesystems -- they contain only the binaries and configuration that get bind-mounted into the real rootfs at boot. The existing check_rootfs() validation requires /sbin/init and systemd, which are not present in addon images. Add a SKIP_ROOTFS_CHECK environment variable that, when set to "yes", bypasses the check_rootfs() call. Forward the variable into the container environment when using the Docker-based build path so it works in both direct and containerised invocations. Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com> Assisted-by: Cursor <cursoragent@cursor.com>
Kata Containers image generation
A Kata Containers disk image is generated using the image_builder.sh script.
This uses a rootfs directory created by the rootfs-builder/rootfs.sh script.
Creating a guest OS image
To create a guest OS image run:
$ sudo ./image_builder.sh path/to/rootfs
Where path/to/rootfs is the directory populated by rootfs.sh.
Note
: If you are building an image from an Alpine rootfs, see the important note here.
Further information
For more information about usage (including how to adjust the size of the image), run:
$ ./image_builder.sh -h