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

   1 #!/bin/bash
   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 set -e; . /usr/local/lib/bash-bear; set +e
  19
  20 this_file="$(readlink -f -- "${BASH_SOURCE[0]}")"
  21 readonly this_file this_dir="${this_file%/*}"
  22 cd "$this_dir"
  23
  24 set -x
  25
  26 export HOSTNAME="$1"
  27 mirror=$2
  28
  29 (( $# >= 1 )) || { echo "$0: error: need 1 or 2 arguments"; exit 1; }
  30
  31 rm -f /etc/pacman.d/mirrorlist
  32 # https://wiki.archlinux.org/index.php/Mirrors#Sorting_mirrors
  33
  34 if [[ $mirror ]]; then
  35     echo "Server = $mirror" >> /etc/pacman.d/mirrorlist
  36 fi
  37 curl -s 'https://www.archlinux.org/mirrorlist/?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on' |
  38     sed -r 's/^[ #]*(Server *=)/\1/' >> /etc/pacman.d/mirrorlist
  39
  40 . /a/bin/fai/fai-wrapper
  41 export LUKS_DIR=/root/luks
  42 export DISTRO=arch
  43 partition_script=/a/bin/fai/fai/config/hooks/partition.DEFAULT
  44 chmod +x $partition_script
  45
  46 export PARTITION_PROMPT=true
  47
  48 # to be idempotent if we fail after partitioning
  49 already_partitioned=true
  50 mount_out=$(mount)
  51 for dir in /mnt{,/home,/boot,/a}; do
  52     regex=" on $dir "
  53     if [[ ! $mount_out =~ $regex ]]; then
  54         already_partitioned=false
  55         break
  56     fi
  57 done
  58
  59 if ! $already_partitioned; then
  60     /a/bin/fai/fai/config/hooks/partition.DEFAULT
  61 fi
  62
  63 . /tmp/fai/disk_var.sh
  64
  65
  66 # arch doesn't need crypttab entries for initramfs crypt partititions
  67 export rootn=1
  68 export bootn=3
  69 export swapn=2
  70 export BOOT_DEVICE
  71 export ROOT_PARTITIONS
  72 sed -ri --follow-symlinks "/^crypt_dev_\S+$rootn /d" /tmp/fai/crypttab
  73
  74 if ! $already_partitioned; then
  75     mount -o subvol=root_$DISTRO $ROOT_PARTITION /mnt
  76     mkdir -p /mnt/boot
  77     mount -o subvol=boot_$DISTRO $BOOT_PARTITION /mnt/boot
  78 fi
  79
  80 # https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#Keyfiles
  81 cp /root/luks/host-$HOSTNAME /mnt/crypto_keyfile.bin
  82 chmod 600 /mnt/crypto_keyfile.bin
  83
  84
  85 if [[ $mirror ]]; then
  86     echo "$0: 404 errors about core.db etc are normal,
  87 they will succeed using the secodary mirror"
  88 fi
  89 pacstrap /mnt base
  90 cp /tmp/fai/{fstab,crypttab} /mnt/etc
  91 cp /a/bin/fai/encrypt /mnt/usr/lib/initcpio/hooks
  92
  93 cp -r /root/.ssh /mnt/root
  94
  95 bindmount() {
  96     local mountpoint=$2
  97     local source=$1
  98     mkdir -p $mountpoint
  99     mount -o bind $source $mountpoint
 100 }
 101 bindmount /root/shadow /mnt/q/root/shadow
 102 bindmount /a /mnt/a
 103
 104 mkdir -p /mnt/etc/ssh
 105 cp /etc/ssh/ssh_host_* /mnt/etc/ssh
 106
 107 cp /a/bin/fai/arch-init-chroot /mnt/root
 108 # for manual commands, arch-chroot /mnt bash
 109 arch-chroot /mnt /root/arch-init-chroot
 110
 111 # this gets mounted in chroot so we have to do it outside
 112 rm -f /mnt/etc/resolv.conf
 113 ln -s /run/systemd/resolve/resolv.conf /mnt/etc/resolv.conf
 114
 115 # not necsesary, but makes reboot go fast.
 116 umount -R /mnt; sleep 1
 117
 118 # causes 255 exit code, so doing this from the caller script.
 119 # reboot now