l: move initscript to pkgs

1 files changed, 134 insertions, 0 deletions

diff --git a/lass/5pkgs/init/default.nix b/lass/5pkgs/init/default.nix
new file mode 100644
index 00000000..abf2528d
--- /dev/null
+++ b/lass/5pkgs/init/default.nix
@@ -0,0 +1,134 @@
+{ pkgs, lib, pubkey ? "", disk ? "/dev/sda", vgname ? "vga", luksmap ? "ca", ... }:
+
+with lib;
+
+pkgs.writeText "init" ''
+  #! /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.
+''