/usr/lib/fai/get-boot-info is in fai-client 4.0.8~deb7u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | #! /bin/bash
#*********************************************************************
#
# bootinfo -- get boot information via DHCP protocol
#
# This script is part of FAI (Fully Automatic Installation)
# (c) 2003-2012 by Thomas Lange, lange@informatik.uni-koeln.de
# Universitaet zu Koeln
#
#*********************************************************************
# 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.
#
# A copy of the GNU General Public License is available as
# `/usr/share/common-licences/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at http://www.gnu.org/copyleft/gpl.html. You
# can also obtain it by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#*********************************************************************
# TODO
# -t timeout
# a list of devices
#
# this script writes received information to $LOGDIR/boot.log
bootlog=$LOGDIR/boot.log
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
netdevice_info() {
# devices that are running
netdevices_up=$(ip link show up | grep "^[1-9$].*LOWER_UP" | cut -d : -f 2 | cut -d ' ' -f 2 | grep -v "^lo" | sort | uniq| tr '\n' ' ')
# netdevices is the list of ethernet devices which will be used for bootpc (maybe dhcp)
# if not defined, use boot messages to determine network devices
[ -n "$netdevices" ] || netdevices=$netdevices_up
# some network driver do not echo eth0,..; they are not detected
netdevices_all=$(dmesg| perl -ne 'print $&,"\n" if m/\beth[0-9]\b/')
tmp=$(ip link | grep "^[1-9]" | cut -d : -f 2 | cut -d ' ' -f 2 | grep "^eth")
netdevices_all="$netdevices_all $tmp"
netdevices_all=$(for dev in $netdevices_all; do echo $dev; done| sort | uniq| tr '\n' ' ')
cat > $bootlog <<-EOF
netdevices_all="$netdevices_all"
netdevices_up="$netdevices_up"
netdevices="$netdevices"
EOF
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
get_dhcp_info() {
boot=1
dhclient -lf /dev/null -cf /usr/share/fai/dhclient-fai.conf -sf /usr/share/fai/dhclient-fai-script $netdevices >>$bootlog 2> $LOGDIR/dhclient.log
killall dhclient
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
setnet() {
local ips=$1
IPADDR=${ips%%:*}
ips=${ips#*:}
SERVER=${ips%%:*}
ips=${ips#*:}
GATEWAYS=${ips%%:*}
ips=${ips#*:}
NETMASK=${ips%%:*}
BROADCAST=${IPADDR%\.*}.255
cat >> $bootlog <<-EOF
IPADDR=$IPADDR
SERVER=$SERVER
NETMASK=$NETMASK
GATEWAYS=$GATEWAYS
BROADCAST=$BROADCAST
EOF
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
get_fixed_info() {
boot=1
# ip contains the network parameters
echo $ip | grep -q : || echo "Kernel parameter ip= does not contain network parameters."
setnet $ip
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
netdevice_info
boot=0
# when using live-initramfs
if [ -f /var/log/live.log ]; then
cp -p /var/log/live.log $LOGDIR
grep IP-Config /var/log/live.log | grep -q "DHCP" && get_dhcp_info
else
dmesg | grep -q "Sending DHCP requests" && get_dhcp_info
[ $boot -eq 0 -a "$ip" = "dhcp" ] && get_dhcp_info
fi
if [ $boot -eq 0 ]; then
get_fixed_info
fi
if ! grep -q DOMAIN= $bootlog; then
echo 'Warning: no domain name configured, using "localdomain"' >&2
echo "DOMAIN=localdomain" >> $bootlog
fi
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