mirror of
https://github.com/siderolabs/talos.git
synced 2025-08-20 22:21:13 +02:00
6c33547452
This option is required by KSPP. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
136 lines
3.3 KiB
Bash
Executable File
136 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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set -Eeuo pipefail
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function create_isolinuxcfg() {
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cat <<EOF >$1
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DEFAULT ISO
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SAY Talos
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LABEL ISO
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KERNEL /vmlinuz
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INITRD /initramfs.xz
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APPEND page_poison=1 slab_nomerge slub_debug=P pti=on random.trust_cpu=on consoleblank=0 console=tty0 talos.platform=iso
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EOF
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}
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function setup_raw_disk(){
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printf "Creating RAW disk, this may take a moment..."
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if [[ -f ${TALOS_RAW} ]]; then
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rm ${TALOS_RAW}
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fi
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dd if=/dev/zero of="${TALOS_RAW}" bs=1M count=0 seek=544
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# NB: Since we use BLKRRPART to tell the kernel to re-read the partition
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# table, it is required to create a partitioned loop device. The BLKRRPART
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# command is meaningful only for partitionable devices.
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DISK=$(losetup --find --partscan --nooverlap --show ${TALOS_RAW})
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printf "done\n"
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}
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function install_talos() {
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osctl install --bootloader="${WITH_BOOTLOADER}" --disk="${DISK}" --platform="${TALOS_PLATFORM}" --config="${TALOS_CONFIG}" ${EXTRA_ARGS}
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}
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function create_iso() {
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mkdir -p /mnt/isolinux
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cp -v /usr/lib/syslinux/isolinux.bin /mnt/isolinux/isolinux.bin
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cp -v /usr/lib/syslinux/ldlinux.c32 /mnt/isolinux/ldlinux.c32
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create_isolinuxcfg /mnt/isolinux/isolinux.cfg
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cp -v /usr/install/vmlinuz /mnt/vmlinuz
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cp -v /usr/install/initramfs.xz /mnt/initramfs.xz
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mkdir -p /mnt/usr/install
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cp -v /usr/install/vmlinuz /mnt/usr/install/vmlinuz
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cp -v /usr/install/initramfs.xz /mnt/usr/install/initramfs.xz
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mkisofs -V TALOS -o ${TALOS_ISO} -r -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table /mnt
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isohybrid ${TALOS_ISO}
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}
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function create_vmdk() {
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qemu-img convert -f raw -O vmdk ${TALOS_RAW} ${TALOS_VMDK}
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}
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function cleanup {
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umount 2>/dev/null || true
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losetup -d ${DISK} 2>/dev/null || true
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}
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function usage() {
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printf "entrypoint.sh -p <platform> -u <userdata> [b|d|l|n]"
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}
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TALOS_RAW="/out/talos.raw"
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TALOS_ISO="/out/talos.iso"
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TALOS_VMDK="/out/talos.vmdk"
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TALOS_PLATFORM="metal"
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TALOS_CONFIG="none"
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WITH_BOOTLOADER="true"
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EXTRA_ARGS=""
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case "$1" in
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install)
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shift
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while getopts "bd:n:p:ru:e:" opt; do
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case ${opt} in
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b )
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echo "Creating disk without bootloader installed"
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WITH_BOOTLOADER="false"
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;;
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d )
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DISK=${OPTARG}
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;;
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e )
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EXTRA_ARGS="${EXTRA_ARGS} --extra-kernel-arg=${OPTARG}"
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;;
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n )
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TALOS_RAW="/out/${OPTARG}.raw"
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;;
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p )
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TALOS_PLATFORM=${OPTARG}
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echo "Using kernel parameter talos.platform=${TALOS_PLATFORM}"
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;;
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r )
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trap cleanup EXIT
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setup_raw_disk
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;;
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u )
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TALOS_CONFIG=${OPTARG}
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echo "Using kernel parameter talos.config=${TALOS_CONFIG}"
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;;
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\? )
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echo "Invalid Option: -${OPTARG}" 1>&2
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exit 1
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;;
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: )
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echo "Invalid Option: -${OPTARG} requires an argument" 1>&2
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exit 1
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ ! "${TALOS_PLATFORM}" ] || [ ! "${TALOS_CONFIG}" ]; then
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usage
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exit 1
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fi
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trap cleanup EXIT
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echo "Using disk ${DISK} as installation media"
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install_talos
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;;
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iso)
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create_iso
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;;
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vmdk)
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create_vmdk
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;;
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ami)
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shift
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create_ami "${@}"
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;;
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*)
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exec "$@"
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esac
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