diff options
| -rw-r--r-- | lass/4lib/default.nix | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/lass/4lib/default.nix b/lass/4lib/default.nix index 56943b7ac..0dc7fa8d7 100644 --- a/lass/4lib/default.nix +++ b/lass/4lib/default.nix @@ -7,4 +7,134 @@ rec { getDefaultGateway = ip: concatStringsSep "." (take 3 (splitString "." ip) ++ ["1"]); + initscript = { pubkey ? config.krebs.users.lass.pubkey, disk ? "/dev/sda", vgname ? "vga", luksmap ? "ca" }: '' + #! /bin/sh + # usage: curl xu/~tv/init | sh + set -efu + # TODO nix-env -f '<nixpkgs>' -iA jq # if not exists (also version) + # install at tmp location + + + case $(cat /proc/cmdline) in + *' root=LABEL=NIXOS_ISO '*) :;; + *) echo Error: unknown operating system >&2; exit 1;; + esac + + disk=${disk} + + bootdev=${disk}1 + + luksdev=${disk}2 + luksmap=/dev/mapper/${luksmap} + + vgname=${vgname} + + rootdev=/dev/mapper/${vgname}-root + homedev=/dev/mapper/${vgname}-home + bkudev=/dev/mapper/${vgname}-bku + + # + # partitioning + # + + # http://en.wikipedia.org/wiki/GUID_Partition_Table + # undo: + # dd if=/dev/zero bs=512 count=34 of=/dev/sda + # TODO zero last 34 blocks (lsblk -bno SIZE /dev/sda) + if ! test "$(blkid -o value -s PTTYPE "$disk")" = gpt; then + parted "$disk" \ + mklabel gpt \ + mkpart ESP fat32 1MiB 1024MiB set 1 boot on \ + mkpart primary 1024MiB 100% + fi + + if ! test "$(blkid -o value -s PARTLABEL "$bootdev")" = ESP; then + echo zonk + exit 23 + fi + + if ! test "$(blkid -o value -s PARTLABEL "$luksdev")" = primary; then + echo zonk2 + exit 23 + fi + + if ! cryptsetup isLuks "$luksdev"; then + # aes xts-plain64 + cryptsetup luksFormat "$luksdev" \ + -h sha512 \ + --iter-time 5000 + fi + + if ! test -e "$luksmap"; then + cryptsetup luksOpen "$luksdev" "$(basename "$luksmap")" + fi + # cryptsetup close + + if ! test "$(blkid -o value -s TYPE "$luksmap")" = LVM2_member; then + pvcreate "$luksmap" + fi + + if ! vgdisplay -s "$vgname"; then vgcreate "$vgname" "$luksmap"; fi + + lvchange -a y /dev/mapper/"$vgname" + + if ! test -e "$rootdev"; then lvcreate -L 100G -n root "$vgname"; fi + if ! test -e "$homedev"; then lvcreate -L 100G -n home "$vgname"; fi + if ! test -e "$bkudev"; then lvcreate -L 200G -n bku "$vgname"; fi + + # lvchange -a n "$vgname" + + + # + # formatting + # + + if ! test "$(blkid -o value -s TYPE "$bootdev")" = vfat; then + mkfs.vfat "$bootdev" + fi + + if ! test "$(blkid -o value -s TYPE "$rootdev")" = btrfs; then + mkfs.btrfs "$rootdev" + fi + + if ! test "$(blkid -o value -s TYPE "$homedev")" = btrfs; then + mkfs.btrfs "$homedev" + fi + + if ! test "$(blkid -o value -s TYPE "$bkudev")" = btrfs; then + mkfs.btrfs "$bkudev" + fi + + + if ! test "$(lsblk -n -o MOUNTPOINT "$rootdev")" = /mnt; then + mount "$rootdev" /mnt + fi + if ! test "$(lsblk -n -o MOUNTPOINT "$bootdev")" = /mnt/boot; then + mkdir -m 0000 -p /mnt/boot + mount "$bootdev" /mnt/boot + fi + if ! test "$(lsblk -n -o MOUNTPOINT "$homedev")" = /mnt/home; then + mkdir -m 0000 -p /mnt/home + mount "$homedev" /mnt/home + fi + if ! test "$(lsblk -n -o MOUNTPOINT "$bkudev")" = /mnt/bku; then + mkdir -m 0000 -p /mnt/bku + mount "$bkudev" /mnt/bku + fi + + # umount -R /mnt + + + parted "$disk" print + lsblk "$disk" + + key='${pubkey}' + if [ "$(cat /root/.ssh/authorized_keys 2>/dev/null)" != "$key" ]; then + mkdir -p /root/.ssh + echo "$key" > /root/.ssh/authorized_keys + fi + systemctl start sshd + ip route + echo READY. + ''; } |