127 lines
2.7 KiB
Nix
127 lines
2.7 KiB
Nix
{ pkgs, lib, vgname ? "vgname", luksmap ? "luksmap", ... }:
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with lib;
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pkgs.writeScript "init" ''
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#!/usr/bin/env nix-shell
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#! nix-shell -i bash -p jq parted libxfs
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set -efu
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disk=$1
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if mount | grep -q "$disk"; then
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echo "target device is already mounted, bailout"
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exit 2
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fi
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luksdev="$disk"3
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luksmap=/dev/mapper/${luksmap}
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vgname=${vgname}
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bootdev=/dev/sda2
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rootdev=/dev/mapper/${vgname}-root
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homedev=/dev/mapper/${vgname}-home
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read -p "LUKS Password: " lukspw
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#
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# partitioning
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#
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# http://en.wikipedia.org/wiki/GUID_Partition_Table
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# undo:
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# dd if=/dev/zero bs=512 count=34 of=/dev/sda
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# TODO zero last 34 blocks (lsblk -bno SIZE /dev/sda)
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if ! test "$(blkid -o value -s PTTYPE "$disk")" = gpt; then
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parted -s -a optimal "$disk" \
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mklabel gpt \
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mkpart no-fs 0 1024KiB \
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set 1 bios_grub on \
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mkpart ESP fat32 1025KiB 1024MiB set 2 boot on \
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mkpart primary 1025MiB 100%
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fi
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if ! test "$(blkid -o value -s PARTLABEL "$luksdev")" = primary; then
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echo zonk2
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exit 23
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fi
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if ! cryptsetup isLuks "$luksdev"; then
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# aes xts-plain64
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echo -n "$lukspw" | cryptsetup luksFormat "$luksdev" - \
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-h sha512 \
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--iter-time 5000
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fi
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if ! test -e "$luksmap"; then
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echo "$lukspw" | cryptsetup luksOpen "$luksdev" "$(basename "$luksmap")" -
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fi
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# cryptsetup close
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if ! test "$(blkid -o value -s TYPE "$luksmap")" = LVM2_member; then
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pvcreate "$luksmap"
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fi
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if ! vgdisplay -s "$vgname"; then vgcreate "$vgname" "$luksmap"; fi
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lvchange -a y /dev/mapper/"$vgname"
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if ! test -e "$rootdev"; then lvcreate -L 7G -n root "$vgname"; fi
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if ! test -e "$homedev"; then lvcreate -L 100M -n home "$vgname"; fi
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# lvchange -a n "$vgname"
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#
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# formatting
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#
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if ! test "$(blkid -o value -s TYPE "$bootdev")" = vfat; then
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mkfs.vfat "$bootdev"
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fi
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if ! test "$(blkid -o value -s TYPE "$rootdev")" = btrfs; then
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mkfs.xfs "$rootdev"
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fi
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if ! test "$(blkid -o value -s TYPE "$homedev")" = btrfs; then
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mkfs.xfs "$homedev"
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fi
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if ! test "$(lsblk -n -o MOUNTPOINT "$rootdev")" = /mnt; then
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mount "$rootdev" /mnt
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fi
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if ! test "$(lsblk -n -o MOUNTPOINT "$bootdev")" = /mnt/boot; then
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mkdir -m 0000 -p /mnt/boot
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mount "$bootdev" /mnt/boot
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fi
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if ! test "$(lsblk -n -o MOUNTPOINT "$homedev")" = /mnt/home; then
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mkdir -m 0000 -p /mnt/home
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mount "$homedev" /mnt/home
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fi
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# umount -R /mnt
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#
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# dependencies for stockholm
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#
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nix-env -iA nixos.git
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# TODO: get sentinal file from target_path
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mkdir -p /mnt/var/src
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touch /mnt/var/src/.populate
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#
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# print all the infos
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#
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parted "$disk" print
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lsblk "$disk"
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echo READY.
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''
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