rocky-linux-generic-images/create-image.sh

#!/usr/bin/env bash

REAL_USER=$(who am i | awk '{print $1}')
APPLIANCE_NAME="Rocky-9-aarch64-minimal"
KICKSTARTER_FILENAME="${APPLIANCE_NAME}.ks"

if [[ ${EUID} -ne 0 ]]; then
    >&2 echo "ERROR: Please run this script as root"
    exit 1
fi

appliance-creator \
    --config "${KICKSTARTER_FILENAME}" \
    --name "${APPLIANCE_NAME}" \
    --format raw \
    --checksum \
    --no-compress \
    --outdir "${PWD}" \
    --cache "/root/cache" \
    --debug \
    --verbose \
    1> Rocky-9-aarch64-minimal.stdout.log \
    2> Rocky-9-aarch64-minimal.stderr.log

if [[ -f "${APPLIANCE_NAME}-sda.raw" ]]; then
    set -x

    IMAGE_NAME="${APPLIANCE_NAME}-$(date +%Y.%m.%d).raw"
    COMPRESSED_IMAGE_NAME="${IMAGE_NAME}.zst"

    touch "${APPLIANCE_NAME}-sda.raw"
    mv -v "${APPLIANCE_NAME}-sda.raw" "${IMAGE_NAME}"
    zstd -9 -z "${IMAGE_NAME}"

    sha256sum "${IMAGE_NAME}" > "${IMAGE_NAME}.sha256"
    sha512sum "${IMAGE_NAME}" > "${IMAGE_NAME}.sha512"

    sha256sum "${COMPRESSED_IMAGE_NAME}" > "${COMPRESSED_IMAGE_NAME}.sha256"
    sha512sum "${COMPRESSED_IMAGE_NAME}" > "${COMPRESSED_IMAGE_NAME}.sha512"

    chown -v "${REAL_USER}:${REAL_USER}" "${IMAGE_NAME}*"
fi