116 lines
3.3 KiB
Bash
Executable File
116 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Copyright (c) 2024 Pedro <copyright@cas.cat>
|
|
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
|
|
set -e
|
|
set -u
|
|
# DEBUG
|
|
set -x
|
|
|
|
install_dependencies() {
|
|
apt update
|
|
apt install -y wget dnsmasq nfs-kernel-server
|
|
}
|
|
|
|
backup_file() {
|
|
target="${1}"
|
|
ts="$(date +'%Y-%m-%d_%H-%M-%S')"
|
|
if [ -f "${target}" ]; then
|
|
cp -a "${target}" "${target}_bak_${ts}"
|
|
fi
|
|
}
|
|
|
|
install_nfs() {
|
|
backup_file /etc/exports
|
|
cat > /etc/exports <<END
|
|
${nfs_path} ${nfs_allowed_lan}(rw,sync,no_subtree_check,no_root_squash)
|
|
END
|
|
# append live directory, which is expected by the debian live env
|
|
mkdir -p "${nfs_path}/live"
|
|
mkdir -p "${nfs_path}/snapshots"
|
|
|
|
if [ ! -f "${nfs_path}/settings.ini" ]; then
|
|
if [ -f "settings.ini" ]; then
|
|
ln -sfv "$(pwd)/settings.ini"" ${nfs_path}/settings.ini"
|
|
else
|
|
echo "ERROR: ../settings.ini does not exist yet, cannot read config from there. You can take inspiration with file ../settings.ini.example"
|
|
exit 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
install_tftp() {
|
|
|
|
# from https://wiki.debian.org/PXEBootInstall#Simple_way_-_using_Dnsmasq
|
|
cat > /etc/dnsmasq.d/pxe-tftp <<END
|
|
port=0
|
|
dhcp-range=${nfs_allowed_lan%/*},proxy
|
|
dhcp-boot=pxelinux.0
|
|
pxe-service=x86PC,"Network Boot",pxelinux
|
|
enable-tftp
|
|
tftp-root=${tftp_path}
|
|
END
|
|
}
|
|
|
|
extract_live_parts_for_tftp() {
|
|
cp -fv "${PXE_DIR}/../iso/staging/live/vmlinuz" "${tftp_path}/"
|
|
cp -fv "${PXE_DIR}/../iso/staging/live/initrd" "${tftp_path}/"
|
|
ln -sfv "${nfs_path}/live/" "${PXE_DIR}/../iso/staging/live/filesystem.squashfs"
|
|
}
|
|
|
|
install_netboot() {
|
|
# if you want to refresh install, remove or move dir
|
|
if [ ! -d "${tftp_path}" ] || [ "${FORCE:-}" ]; then
|
|
mkdir -p "${tftp_path}/pxelinux.cfg"
|
|
cd "${tftp_path}"
|
|
if [ ! -f "${tftp_path}/netboot.tar.gz" ]; then
|
|
wget http://ftp.debian.org/debian/dists/${VERSION_CODENAME}/main/installer-amd64/current/images/netboot/netboot.tar.gz
|
|
tar xvf netboot.tar.gz || true
|
|
rm -rf "${tftp_path}/pxelinux.cfg"
|
|
mkdir -p "${tftp_path}/pxelinux.cfg"
|
|
fi
|
|
extract_live_parts_for_tftp
|
|
|
|
cat > "${tftp_path}/pxelinux.cfg/default" <<END
|
|
default wb
|
|
|
|
label wb
|
|
KERNEL vmlinuz
|
|
INITRD initrd.img
|
|
APPEND ip=dhcp netboot=nfs nfsroot=${server_ip}:${nfs_path}/ boot=live text forcepae
|
|
END
|
|
cd -
|
|
fi
|
|
}
|
|
|
|
init_config() {
|
|
# get where the script is
|
|
cd "$(dirname "${0}")"
|
|
PXE_DIR="$(pwd)"
|
|
|
|
if [ -f ./.env ]; then
|
|
. ./.env
|
|
else
|
|
echo 'PXE: WARNING: .env does not exist yet, cannot read config from there. You can take inspiration with file .env.example'
|
|
fi
|
|
VERSION_CODENAME="${VERSION_CODENAME:-bookworm}"
|
|
tftp_path="${tftp_path:-/srv/pxe-tftp}"
|
|
server_ip="${server_ip}"
|
|
nfs_path="${nfs_path:-/srv/pxe-nfs}"
|
|
}
|
|
|
|
main() {
|
|
init_config
|
|
install_dependencies
|
|
install_netboot
|
|
install_tftp
|
|
install_nfs
|
|
echo "PXE: Installation finished"
|
|
}
|
|
|
|
main "${@}"
|
|
|
|
# written in emacs
|
|
# -*- mode: shell-script; -*-
|