iankelling.org Git - automated-distro-installer/blob - arch-init

   1 #!/bin/bash -x
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; either version 2
   7 # of the License, or (at your option) any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17
  18 x="$(readlink -f "$BASH_SOURCE")"; source "${x%/*}/bash-trace"
  19 cd ${x%/*}
  20
  21 export HOSTNAME="$1"
  22 mirror=$2
  23
  24 (( $# >= 1 )) || { echo "$0: error: need 1 or 2 arguments"; exit 1; }
  25
  26 rm -f /etc/pacman.d/mirrorlist
  27 # https://wiki.archlinux.org/index.php/Mirrors#Sorting_mirrors
  28
  29 if [[ $mirror ]]; then
  30     echo "Server = $mirror" >> /etc/pacman.d/mirrorlist
  31 fi
  32 curl -s 'https://www.archlinux.org/mirrorlist/?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on' |
  33     sed -r 's/^[ #]*(Server *=)/\1/' >> /etc/pacman.d/mirrorlist
  34
  35 . /a/bin/fai/fai-wrapper
  36 export LUKS_DIR=/root/luks
  37 export DISTRO=arch
  38 partition_script=/a/bin/fai/fai/config/hooks/partition.DEFAULT
  39 chmod +x $partition_script
  40
  41 export PARTITION_PROMPT=true
  42
  43 # to be idempotent if we fail after partitioning
  44 already_partitioned=true
  45 mount_out=$(mount)
  46 for dir in /mnt{,/home,/boot,/a}; do
  47     regex=" on $dir "
  48     if [[ ! $mount_out =~ $regex ]]; then
  49         already_partitioned=false
  50         break
  51     fi
  52 done
  53
  54 if ! $already_partitioned; then
  55     /a/bin/fai/fai/config/hooks/partition.DEFAULT
  56 fi
  57
  58 . /tmp/fai/disk_var.sh
  59
  60
  61 # arch doesn't need crypttab entries for initramfs crypt partititions
  62 export rootn=1
  63 export bootn=3
  64 export swapn=2
  65 export BOOT_DEVICE
  66 export ROOT_PARTITIONS
  67 sed -ri --follow-symlinks "/^crypt_dev_\S+$rootn /d" /tmp/fai/crypttab
  68
  69 if ! $already_partitioned; then
  70     mount -o subvol=root_$DISTRO $ROOT_PARTITION /mnt
  71     mkdir -p /mnt/boot
  72     mount -o subvol=boot_$DISTRO $BOOT_PARTITION /mnt/boot
  73 fi
  74
  75 # https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#Keyfiles
  76 cp /root/luks/host-$HOSTNAME /mnt/crypto_keyfile.bin
  77 chmod 600 /mnt/crypto_keyfile.bin
  78
  79
  80 if [[ $mirror ]]; then
  81     echo "$0: 404 errors about core.db etc are normal,
  82 they will succeed using the secodary mirror"
  83 fi
  84 pacstrap /mnt base
  85 cp /tmp/fai/{fstab,crypttab} /mnt/etc
  86 cp /a/bin/fai/encrypt /mnt/usr/lib/initcpio/hooks
  87
  88 cp -r /root/.ssh /mnt/root
  89
  90 bindmount() {
  91     local mountpoint=$2
  92     local source=$1
  93     mkdir -p $mountpoint
  94     mount -o bind $source $mountpoint
  95 }
  96 bindmount /root/shadow /mnt/q/root/shadow
  97 bindmount /a /mnt/a
  98
  99 mkdir -p /mnt/etc/ssh
 100 cp /etc/ssh/ssh_host_* /mnt/etc/ssh
 101
 102 cp /a/bin/fai/arch-init-chroot /mnt/root
 103 # for manual commands, arch-chroot /mnt bash
 104 arch-chroot /mnt /root/arch-init-chroot
 105
 106 # this gets mounted in chroot so we have to do it outside
 107 rm -f /mnt/etc/resolv.conf
 108 ln -s /run/systemd/resolve/resolv.conf /mnt/etc/resolv.conf
 109
 110 # not necsesary, but makes reboot go fast.
 111 umount -R /mnt; sleep 1
 112
 113 # causes 255 exit code, so doing this from the caller script.
 114 # reboot now