various minor fixes and improvements

[automated-distro-installer] / archlike-pxe

diff --git a/archlike-pxe b/archlike-pxe
new file mode 100755 (executable)
index 0000000..ba39c45
--- /dev/null
+++ b/archlike-pxe
@@ -0,0 +1,93 @@
+#!/bin/bash -l
+# Copyright (C) 2016 Ian Kelling
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+# Setup arch pxe boot server from the base image.
+#
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+usage() {
+    cat <<EOF
+Usage: ${0##*/}
+Setup arch pxe boot server from the base image
+
+Requires manually downloading image. Image path is hardcoded below to
+/a/opt/image_name without .iso on the end. adjust the code for a new image. After this, run pxe-server.
+HOST|default arch to enable it.
+
+-h|--help  Print help and exit.
+EOF
+    exit $1
+}
+
+case $1 in
+    -h|--help) usage ;;
+esac
+
+
+x="$(readlink -f "$BASH_SOURCE")"
+script_dir="${x%/*}"
+cd /a/opt/roms
+iso="parabola-systemd-cli-x86_64-netinstall-2018.06.02.iso"
+idir=${iso%.iso}
+rm -rf $idir
+ex $iso
+# should be parabola or arch
+n=${iso%%-*}
+sfs=$idir/$n/x86_64/*.sfs
+
+sed -i --follow-symlinks -f - $idir/$n/boot/syslinux/${n}iso_pxe64.cfg <<EOF
+1itotaltimeout 1
+/^LABEL arch64_nfs/a menu default
+s/^APPEND .*/\0 script=archlike-iso-init/
+EOF
+# based on https://blog.chendry.org/2015/02/06/automating-arch-linux-installation.html
+# and https://wiki.archlinux.org/index.php/Remastering_the_Install_ISO
+
+s rm -rf squashfs-root # remove any existing folder
+s unsquashfs $sfs
+s mkdir -p squashfs-root/root/.ssh
+s chmod 755 squashfs-root/root/.ssh
+s cp ~/.ssh/home.pub squashfs-root/root/.ssh/authorized_keys
+
+s cp $script_dir/archlike-iso-init squashfs-root/root
+s rm $sfs
+s mksquashfs squashfs-root $sfs -comp xz
+# file transfer to wrt is slow, so remove some useless files
+rm -f $idir/$n/i686/airootfs.sfs $idir/$n/boot/i686/${n}iso.img
+pushd $(dirname $sfs); md5sum ${sfs##*/} > airootfs.md5; popd
+
+# seems if you've done a pxe boot, mounted the nfs,
+# then shutdown, it's still busy.
+ssh wrt "/etc/init.d/nfsd stop; \
+umount /run/archiso/bootmnt; \
+umount /run/parabolaiso/bootmnt; \
+rm -rf /mnt/usb/$idir"
+
+scp -r $idir wrt:/mnt/usb
+ssh wrt "cd /mnt/usb && rm -f tftpboot && ln -s $idir tftpboot"
+
+# The default settings in the installer expect to find the NFS at /run/archiso/bootmnt
+
+# background: great documentation at
+# https://wiki.archlinux.org/index.php/PXE
+# arch can do netboot like ubuntu etc, but the docs look a little
+# complicated, so fuck it, we use nfs cuz it's easy
+
+rm -rf $idir
+s rm -rf squashfs-root