2 # This file is part of Ian Kelling's automated-distro-installer
3 # Copyright (C) 2024 Ian Kelling
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License
7 # as published by the Free Software Foundation; either version 2
8 # of the License, or (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 [[ $EUID == 0 ]] ||
exec sudo
-E "${BASH_SOURCE[0]}" "$@"
25 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
28 m
() { printf "$pre %s\n" "$*"; "$@"; }
29 e
() { printf "$pre %s\n" "$*"; }
30 err
() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
34 Usage: call from myfai-chboot, see its help
36 # note, this script gets piped to bash, so cant cd to current dir
38 -h|--help Print help and exit.
40 Note: Uses util-linux getopt option parsing: spaces between args and
41 options, short options can be combined, options before args.
50 fai_reboot_arg
=,reboot
52 # ensure we can handle args with spaces or empty.
53 ret
=0; getopt
-T || ret
=$?
54 [[ $ret == 4 ]] ||
{ echo "Install util-linux for enhanced getopt" >&2; exit 1; }
56 temp
=$
(getopt
-l help,no-r hSi
"$@") || usage
1
79 *) echo "$0: unexpected args: $*" >&2 ; usage
1 ;;
87 rm -f /srv
/tftp
/fai
/pxelinux.cfg
/*
89 echo "$0: clearing pxe config and exiting"
93 # somewhat duplicated in brc hostip()
100 hostip
=$
(getent ahostsv4
"$host" |
awk '{ print $1 }' |
head -n1)
104 if [[ $hostip ]]; then
106 # assuming ipv4, or else we might need to deal with multiple addresses
107 # in an ipv4 + ipv6 network.
108 my_ip
=$
(ip
-4 route get
$hostip |
sed -nr 's,^.*src\s+(\S+).*,\1,p')
109 if [[ ! $my_ip ||
$my_ip =~
[[:space
:]] ]]; then
110 echo "$0: error: failed to get \$my_ip, got: $my_ip"
114 my_ip
=$
(ip r show default |
sed -r 's/.*via ([^ ]*).*/\1/' |
head -n1)
117 if [[ $host == default
]]; then
119 elif [[ $host == [0-9]*.
[0-9]*.
[0-9]*.
[0-9]* ]]; then
122 type -t host &>/dev
/null || apt-get
-y install dnsutils
123 ip
=$
(host $host |
sed -rn 's/^\S+ has address //p;T;q' ||
:)
124 if [[ ! $ip ||
$ip =~
[[:space
:]] ]]; then
125 echo "$0: error: failed to get \$ip, got: $ip"
129 echo "$0: found ip of $host: $ip"
132 if modprobe nfsd
&>/dev
/null
; then
133 std_arg
="-u nfs://faiserver/srv/fai/config"
134 # nfsv4 wont do rw with overlayfs yet
135 # https://lists.uni-koeln.de/pipermail/linux-fai/2017-March/011641.html
136 root_arg
="$my_ip:/srv/fai/nfsroot:vers=3"
137 # fai-setup without -e sets the ip to the local_ip/local_network, eg 192.168.1.3/24
138 # I restrict it to one ip as simple but imperfect access control.
140 # we may chattr +i /etc/exports if we dun want it modified
141 # for example, if we made these exports more widely available
142 # while doing multiple installs or a recovery.
143 if [[ -w /etc
/exports
]]; then
144 sed -ri --follow-symlinks '\%^/srv/fai/%d' /etc
/exports
145 cat >>/etc
/exports
<<EOF
146 /srv/fai/config $ip(async,ro,no_subtree_check,no_root_squash)
147 /srv/fai/nfsroot $ip(async,ro,no_subtree_check,no_root_squash)
151 systemctl start nfs-server
# assumes recent os
153 std_arg
="-u http://faiserver:8080/config.tar.gz"
154 root_arg
="live:http://faiserver:8080/squash.img"
155 /a
/exe
/web-conf
-i -p 8080 - apache2 faiserver
<<EOF
165 # man page doesn't explain this, but this deletes & thus disables
166 # all chboot systems.
167 m fai-chboot
-iv $std_arg default
# set it to default to get a val out of it next
168 kernel
=$
(fai-chboot
-L '^default$' |
awk '{print $3}')
169 default_k_args
=$
(fai-chboot
-L '^default$' | \
170 sed -r "s/^(\S+\s+){3}(.*)/\2/")
171 # example of default_k_args
172 # initrd=initrd.img-3.16.0-4-amd64 ip=dhcp root=192.168.1.3:/srv/fai/nfsroot FAI_CONFIG_SRC=nfs://faiserver/srv/fai/config FAI_ACTION=install
174 # https://wiki.archlinux.org/index.php/Solid_state_drive#Resolving_NCQ_errors
175 # currently on needed on d16 samsung 870 qvo, but better to have this
176 # and not wait for more conditions where its needed.
177 #k_args=(FAI_ACTION=$fai_action libata.force=noncq ifname:bootnet0:08:60:6e:10:f0:fe ifname:bootnet1:08:60:6e:10:f0:98 bond=bond0:bootnet0,bootnet1:mode=balance-rr)
178 #k_args=(FAI_ACTION=$fai_action libata.force=noncq ifname:bootnet0:08:60:6e:10:f0:fe biosdevname=0 bootdev=bootnet0)
179 k_args
=(FAI_ACTION
=$fai_action libata.force
=noncq
)
181 k_args
+=(console
=tty0 console
=ttyS0
,115200)
184 for arg
in $default_k_args; do
186 # default root arg is /srv/fai/nfsroot
187 root
=*) k_args
+=(root
=$root_arg) ;;
188 # note: this works to only dhcp on one interface: ip=eth0:dhcp
191 k_args
+=("bond=bond0:eth0,eth1:mode=balance-rr ip=bond0:dhcp")
199 rm -f /srv
/tftp
/fai
/pxelinux.cfg
/*
200 m fai-chboot
-k "${k_args[*]}" -v -f verbose
,sshd
,createvt
$fai_reboot_arg $std_arg $kernel "$host"
202 # this is needed for autodiscover iso. i'm not sure, it might override
203 # the fai-chboot method of setting this, i'm not sure.
204 echo FAI_ACTION
=$fai_action >> /srv
/fai
/config
/class
/LAST.var