iankelling.org Git - automated-distro-installer/blob - archlike-pxe

   1 #!/bin/bash -l
   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 # Setup arch pxe boot server from the base image.
  19 #
  20
  21 set -eE -o pipefail
  22 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  23
  24 usage() {
  25     cat <<EOF
  26 Usage: ${0##*/}
  27 Setup arch pxe boot server from the base image
  28
  29 Requires manually downloading image. Image path is hardcoded below to
  30 /a/opt/image_name without .iso on the end. adjust the code for a new image. After this, run pxe-server.
  31 HOST|default arch to enable it.
  32
  33 -h|--help  Print help and exit.
  34 EOF
  35     exit $1
  36 }
  37
  38 case $1 in
  39     -h|--help) usage ;;
  40 esac
  41
  42
  43 x="$(readlink -f "$BASH_SOURCE")"
  44 script_dir="${x%/*}"
  45 cd /a/opt/roms
  46 iso="parabola-systemd-cli-x86_64-netinstall-2018.06.02.iso"
  47 idir=${iso%.iso}
  48 rm -rf $idir
  49 ex $iso
  50 # should be parabola or arch
  51 n=${iso%%-*}
  52 sfs=$idir/$n/x86_64/*.sfs
  53
  54 sed -i --follow-symlinks -f - $idir/$n/boot/syslinux/${n}iso_pxe64.cfg <<EOF
  55 1itotaltimeout 1
  56 /^LABEL arch64_nfs/a menu default
  57 s/^APPEND .*/\0 script=archlike-iso-init/
  58 EOF
  59 # based on https://blog.chendry.org/2015/02/06/automating-arch-linux-installation.html
  60 # and https://wiki.archlinux.org/index.php/Remastering_the_Install_ISO
  61
  62 s rm -rf squashfs-root # remove any existing folder
  63 s unsquashfs $sfs
  64 s mkdir -p squashfs-root/root/.ssh
  65 s chmod 755 squashfs-root/root/.ssh
  66 s cp ~/.ssh/home.pub squashfs-root/root/.ssh/authorized_keys
  67
  68 s cp $script_dir/archlike-iso-init squashfs-root/root
  69 s rm $sfs
  70 s mksquashfs squashfs-root $sfs -comp xz
  71 # file transfer to wrt is slow, so remove some useless files
  72 rm -f $idir/$n/i686/airootfs.sfs $idir/$n/boot/i686/${n}iso.img
  73 pushd $(dirname $sfs); md5sum ${sfs##*/} > airootfs.md5; popd
  74
  75 # seems if you've done a pxe boot, mounted the nfs,
  76 # then shutdown, it's still busy.
  77 ssh wrt "/etc/init.d/nfsd stop; \
  78 umount /run/archiso/bootmnt; \
  79 umount /run/parabolaiso/bootmnt; \
  80 rm -rf /mnt/usb/$idir"
  81
  82 scp -r $idir wrt:/mnt/usb
  83 ssh wrt "cd /mnt/usb && rm -f tftpboot && ln -s $idir tftpboot"
  84
  85 # The default settings in the installer expect to find the NFS at /run/archiso/bootmnt
  86
  87 # background: great documentation at
  88 # https://wiki.archlinux.org/index.php/PXE
  89 # arch can do netboot like ubuntu etc, but the docs look a little
  90 # complicated, so fuck it, we use nfs cuz it's easy
  91
  92 rm -rf $idir
  93 s rm -rf squashfs-root