144 lines
3.1 KiB
Nix
144 lines
3.1 KiB
Nix
{ pkgs, lib, pubkey ? "", disk ? "/dev/sda", vgname ? "pool", luksmap ? "luksmap", keyfile ? "/root/keyfile", ... }:
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with lib;
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pkgs.writeText "init" ''
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#! /bin/sh
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# usage: curl xu/~tv/init | sh
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set -efu
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# TODO nix-env -f '<nixpkgs>' -iA jq # if not exists (also version)
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# install at tmp location
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case $(cat /proc/cmdline) in
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*' root=LABEL=NIXOS_ISO '*) :;;
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*) echo Error: unknown operating system >&2; exit 1;;
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esac
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keyfile=${keyfile}
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disk=${disk}
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luksdev=${disk}2
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luksmap=/dev/mapper/${luksmap}
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vgname=${vgname}
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rootdev=/dev/mapper/${vgname}-root
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homedev=/dev/mapper/${vgname}-home
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bkudev=/dev/mapper/${vgname}-bku
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#
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#generate keyfile
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#
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if ! test -e "$keyfile"; then
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dd if=/dev/urandom bs=512 count=2048 of=$keyfile
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fi
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#
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# partitioning
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#
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# http://en.wikipedia.org/wiki/GUID_Partition_Table
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# undo:
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# dd if=/dev/zero bs=512 count=34 of=/dev/sda
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# TODO zero last 34 blocks (lsblk -bno SIZE /dev/sda)
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if ! test "$(blkid -o value -s PTTYPE "$disk")" = gpt; then
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parted -a optimal "$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 primary 1025KiB 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 "$luksdev"; then
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# aes xts-plain64
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cryptsetup luksFormat "$luksdev" "$keyfile" \
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-h sha512 \
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--iter-time 5000
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fi
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if ! test -e "$luksmap"; then
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cryptsetup luksOpen "$luksdev" "$(basename "$luksmap")" \
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--key-file "$keyfile"
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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 100G -n root "$vgname"; fi
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if ! test -e "$homedev"; then lvcreate -L 100G -n home "$vgname"; fi
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if ! test -e "$bkudev"; then lvcreate -L 200G -n bku "$vgname"; fi
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# lvchange -a n "$vgname"
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#
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# formatting
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#
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if ! test "$(blkid -o value -s TYPE "$rootdev")" = btrfs; then
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mkfs.btrfs "$rootdev"
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fi
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if ! test "$(blkid -o value -s TYPE "$homedev")" = btrfs; then
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mkfs.btrfs "$homedev"
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fi
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if ! test "$(blkid -o value -s TYPE "$bkudev")" = btrfs; then
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mkfs.btrfs "$bkudev"
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fi
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if ! test "$(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 "$(lsblk -n -o MOUNTPOINT "$homedev")" = /mnt/home; then
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mkdir -m 0000 -p /mnt/home
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mount "$homedev" /mnt/home
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fi
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if ! test "$(lsblk -n -o MOUNTPOINT "$bkudev")" = /mnt/bku; then
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mkdir -m 0000 -p /mnt/bku
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mount "$bkudev" /mnt/bku
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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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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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key='${pubkey}'
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if [ "$(cat /root/.ssh/authorized_keys 2>/dev/null)" != "$key" ]; then
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mkdir -p /root/.ssh
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echo "$key" > /root/.ssh/authorized_keys
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fi
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systemctl start sshd
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ip route
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echo READY.
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''
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