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