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authorlassulus <lass@lassul.us>2017-01-17 16:24:20 +0100
committerlassulus <lass@lassul.us>2017-01-17 16:24:20 +0100
commit0a104ff9df7ea99ba2dbfc5d739df1439e6ee64b (patch)
tree9335912834c7471580b2b76e03de7eb65b10d62a
parent3759182f0c6e8a622a8aeca26a6d2e482344679b (diff)
l 4: add initscript
-rw-r--r--lass/4lib/default.nix130
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.
+ '';
}