#!/bin/bash
-# note, this script gets piped to bash, so cant cd to current dir
+# This file is part of Ian Kelling's automated-distro-installer
+# Copyright (C) 2024 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.
+
-[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+pre="${0##*/}:"
+m() { printf "$pre %s\n" "$*"; "$@"; }
+e() { printf "$pre %s\n" "$*"; }
+err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
+
+usage() {
+ cat <<EOF
+Usage: call from myfai-chboot, see its help
+
+# note, this script gets piped to bash, so cant cd to current dir
+
+-h|--help Print help and exit.
+
+Note: Uses util-linux getopt option parsing: spaces between args and
+options, short options can be combined, options before args.
+EOF
+ exit $1
+}
+
+
kgped16=false
bond=false
fai_action=install
fai_reboot_arg=,reboot
-while [[ $1 == -* ]]; do
+
+# ensure we can handle args with spaces or empty.
+ret=0; getopt -T || ret=$?
+[[ $ret == 4 ]] || { echo "Install util-linux for enhanced getopt" >&2; exit 1; }
+
+temp=$(getopt -l help,no-r hSi "$@") || usage 1
+eval set -- "$temp"
+while true; do
case $1 in
- -h|--help)
- echo "see help from myfai-chboot"
- exit 0
- ;;
-S)
fai_action=sysinfo
fai_reboot_arg=
- shift
;;
-i) #inventory
fai_action=inventory
fai_reboot_arg=
- shift
;;
-k)
kgped16=true
- shift
;;
-b)
bond=true
- shift
;;
--no-r)
fai_reboot_arg=
- shift
;;
+ -h|--help) usage ;;
+ --) shift; break ;;
+ *) echo "$0: unexpected args: $*" >&2 ; usage 1 ;;
esac
+ shift
done
-
-pre="${0##*/}:"
-m() { printf "$pre %s\n" "$*"; "$@"; }
-e() { printf "$pre %s\n" "$*"; }
-err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
-
-host=$1
-
+read -r host <<<"$@"
+readonly host
rm -f /srv/tftp/fai/pxelinux.cfg/*
-if [[ ! $1 ]]; then
+if [[ ! $host ]]; then
echo "$0: clearing pxe config and exiting"
exit 0
fi
# somewhat duplicated in brc hostip()
-case $host in
- default) : ;;
- [0-9:])
- hostip=$host
- ;;
- *)
- hostip=$(getent ahostsv4 "$host" | awk '{ print $1 }' | head -n1)
- ;;
-esac
-
-if [[ $hostip ]]; then
-
- # assuming ipv4, or else we might need to deal with multiple addresses
- # in an ipv4 + ipv6 network.
- my_ip=$(ip -4 route get $hostip | sed -nr 's,^.*src\s+(\S+).*,\1,p')
- if [[ ! $my_ip || $my_ip =~ [[:space:]] ]]; then
- echo "$0: error: failed to get \$my_ip, got: $my_ip"
- exit 1
- fi
+
+nonip_regex='[^0-9:.]'
+if [[ $host == default ]]; then
+ ip_arg=8.8.8.8
else
- my_ip=$(ip r show default | sed -r 's/.*via ([^ ]*).*/\1/' | head -n1)
+ if [[ $host =~ $nonip_regex ]]; then
+ ip_arg="$(getent ahostsv4 "$host" | awk '{ print $1 }' | head -n1)"
+ else
+ ip_arg="$host"
+ fi
+fi
+
+my_ip=$(ip -r -j r get $ip_arg|jq -r '.[0].prefsrc' )
+
+if [[ ! $my_ip || $my_ip =~ $nonip_regex ]]; then
+ echo "$0: error: failed to get \$my_ip, got: $my_ip"
+ exit 1
fi
if [[ $host == default ]]; then
else
type -t host &>/dev/null || apt-get -y install dnsutils
ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q' ||:)
- if [[ ! $ip || $ip =~ [[:space:]] ]]; then
+ if [[ ! $ip || $ip =~ $nonip_regex ]]; then
echo "$0: error: failed to get \$ip, got: $ip"
exit 1
fi
fi
if modprobe nfsd &>/dev/null; then
- std_arg="-u nfs://faiserver/srv/fai/config"
+ std_arg="-u nfs://faiserver.b8.nz/srv/fai/config"
# nfsv4 wont do rw with overlayfs yet
# https://lists.uni-koeln.de/pipermail/linux-fai/2017-March/011641.html
root_arg="$my_ip:/srv/fai/nfsroot:vers=3"
fi
systemctl start nfs-server # assumes recent os
else
- std_arg="-u http://faiserver:8080/config.tar.gz"
- root_arg="live:http://faiserver:8080/squash.img"
- /a/exe/web-conf -i -p 8080 - apache2 faiserver <<EOF
+ std_arg="-u http://faiserver.b8.nz:8080/config.tar.gz"
+ root_arg="live:http://faiserver.b8.nz:8080/squash.img"
+ /a/exe/web-conf -i -p 8080 - apache2 faiserver.b8.nz <<EOF
<Location />
Deny from all
Allow from $ip
# man page doesn't explain this, but this deletes & thus disables
# all chboot systems.
-m fai-chboot -iv $std_arg default # set it to default to get a val out of it next
+# We want to set to default to get a val out of it next.
+# If needing to debug, normal output from this command looks like this:
+# Booting kernel vmlinuz-6.1.0-23-amd64
+# append initrd=initrd.img-6.1.0-23-amd64 ip=dhcp
+# FAI_CONFIG_SRC=nfs://faiserver.b8.nz/srv/fai/config
+#
+# default has no IP in hex default
+# Writing file /srv/tftp/fai/pxelinux.cfg/default for default
+fai-chboot -iv default &>/dev/null
+
kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
default_k_args=$(fai-chboot -L '^default$' | \
sed -r "s/^(\S+\s+){3}(.*)/\2/")
# example of default_k_args
-# initrd=initrd.img-3.16.0-4-amd64 ip=dhcp root=192.168.1.3:/srv/fai/nfsroot FAI_CONFIG_SRC=nfs://faiserver/srv/fai/config FAI_ACTION=install
+# initrd=initrd.img-3.16.0-4-amd64 ip=dhcp root=192.168.1.3:/srv/fai/nfsroot FAI_CONFIG_SRC=nfs://faiserver.b8.nz/srv/fai/config FAI_ACTION=install
# https://wiki.archlinux.org/index.php/Solid_state_drive#Resolving_NCQ_errors
# currently on needed on d16 samsung 870 qvo, but better to have this
iankelling.org / git / automated-distro-installer / blobdiff