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#!/bin/bash
# Author: Steven Shiau, <steven _at_ clonezilla org>
# License: GPL
# Loading setting
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"
. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
# Option
nfsserver=$1
RO_NFS_EXTRA_OPT=$2
RL=$3
# functions
jobs_for_clonezilla_box() {
# 1. comment unnesessary mount, /opt, /var/spool/mail, /var/lib/rpm/ and /var/lib/dpkg
# 2. remove ntp
# 3. set runlevel in /etc/inittab to cheat kudzu
# 4. copy necessary files from rc1.d
# (1)
for im in /opt /var/spool/mail /var/lib/rpm /var/lib/dpkg; do
# Use subshell to avoid some parameter to be overwriten
(
. /etc/drbl/drbl.conf
# If $ocsroot is happened to be /opt/xxx or /var/spool/mail/xxx... we have
# to avoid that to be commented, since we need the $ocsroot as clonezilla
# image dir.
# /etc/fstab
# Example 1 (with $ocsroot=/opt/partimag):
# -------------------------
# 192.168.123.254:/opt /opt nfs rw,rsize=65536,wsize=65536,tcp,defaults 0 0
# 192.168.123.254:/opt/partimag /opt/partimag nfs rw,rsize=65536,wsize=65536,tcp,defaults 0 0
# -------------------------
# We will NOT comment 192.168.123.254:/opt and 192.168.123.254:/opt/partimag
# because we need /opt/ and its subdirectories as mount point.
# Example 2 (with $ocsroot=/opt2):
# -------------------------
# 192.168.123.254:/opt /opt nfs rw,rsize=65536,wsize=65536,tcp,defaults 0 0
# 192.168.123.254:/opt2 /opt2 nfs rw,rsize=65536,wsize=65536,tcp,defaults 0 0
# -------------------------
# We will comment 192.168.123.254:/opt, but will NOT comment 192.168.123.254:/opt2
if [ -z "$(echo $ocsroot | grep -Ew "$im")" ]; then
perl -pi -e "s|(^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+:.*$im[[:space:]]+.*)|# \$1|g" /etc/fstab
fi
)
done
# (2)
# Remove ntp setting, we do not need that in cloinezilla box
# Debian-based: /etc/default/ntpdate
# RH-like, SuSE: /etc/ntp.conf
for intp in /etc/ntp.conf /etc/default/ntpdate; do
if [ -f $intp ]; then
rm -f $intp
# create an empty file so that the NTPSERVERS is none.
touch $intp
fi
done
# (3)
# We need to cheat the inittab (Note! Now init.org not start yet), and in FC,
# kudzu will check inittab, and if it's rc 5, it will switch to rc 5...
# Therefore here we force to make inittab 1.
# Command "runlevel" in this stage is useless. we have to check by ourself
# Check if "1" exists in /proc/cmdline
# For Ubuntu 6.10 or later, no /etc/inittab.
if [ -e /etc/inittab ]; then
perl -pi -e "s/^id:[1-5]:initdefault:/id:1:initdefault:/g" /etc/inittab
fi
# (4)
# we need to mount rc1.d if ocs start, since this won't exist in the etc template.
if [ -n "$(unalias ls 2>/dev/null; ls /drbl_ssi/rc1.d/* 2>/dev/null)" ]; then
if [ -e /etc/debian_version ]; then
# Debian # RCX_ROOTDIR="/etc"
rc1_mnt_pnt=/etc/rc1.d
elif [ -e /etc/SuSE-release ]; then
# SuSE # RCX_ROOTDIR="/etc/init.d"
rc1_mnt_pnt=/etc/init.d/rc1.d
else
# RH-like # RCX_ROOTDIR="/etc"
rc1_mnt_pnt=/etc/rc1.d
fi
# (1)
# If we use symbolic link, the ../init.d/ will not exist.. Any solution ?
#rm -rf $rc1_mnt_pnt
#ln -fs /drbl_ssi/rc1.d $rc1_mnt_pnt
# (2) # Use NFS mount ?
# mount -n $nfsserver:$nfsimagedir/drbl_ssi/rc1.d $rc1_mnt_pnt -o $RO_NFS_EXTRA_OPT
# (3) just copy the files...
[ -d "$rc1_mnt_pnt" -a "$(echo $rc1_mnt_pnt | grep "rc1.d")" ] && rm -rf $rc1_mnt_pnt/*
cp -af /drbl_ssi/rc1.d/* $rc1_mnt_pnt/
fi
} # end of jobs_for_clonezilla_box
#
jobs_for_DRBL_SSI() {
# (1) GDM/KDM autologin if necessary
# (2) Overwrite some setting from /drbl_ssi/clients/$IP/ to /
# (1)
# GDM/KDM autologin if necessary
# Here we just force to change the login ID, and let the original config file to
# control auto/timed/normal login option.
# Get the gdm or kdm config filename
get_gdm_kdm_conf_filename
case "$HN" in
"[0-9]*")
echo "$HN can NOT be a login name for autologin, we won't change Gnome/KDE config file!"
;;
*)
auto_login_id="$HN"
if [ -e "$GDM_CFG" ]; then
# change timed login account
perl -p -i -e "s/^[[:space:]]*#*[[:space:]]*TimedLogin=.*/TimedLogin=$auto_login_id/" $GDM_CFG
# change auto login account
perl -p -i -e "s/^[[:space:]]*#*[[:space:]]*AutomaticLogin=.*/AutomaticLogin=$auto_login_id/" $GDM_CFG
fi
if [ -e "$KDM_CFG" ]; then
# change auto login account
perl -p -i -e "s/^[[:space:]]*#*[[:space:]]*AutoLoginUser=.*/AutoLoginUser=$auto_login_id/" $KDM_CFG
fi
if [ -e "$LIGHTDM_CFG" ]; then
# To config these two parameters:
# autologin-user=<YOUR USER>
# autologin-user-timeout=0
perl -pi -e "s/^[[:space:]]*#*[[:space:]]*autologin-user=.*/autologin-user=$auto_login_id/" $LIGHTDM_CFG
perl -pi -e "s/^[[:space:]]*#*[[:space:]]*autologin-user-timeout=.*/autologin-user-timeout=0/" $LIGHTDM_CFG
fi
;;
esac
# (2) Overwrite some setting from /drbl_ssi/clients/$IP/
if [ -n "$(unalias ls 2>/dev/null; ls /drbl_ssi/clients/$ip/* 2>/dev/null)" ]; then
echo -n "Syncing files from /drbl_ssi/clients/$ip/ to /... "
rsync -aq /drbl_ssi/clients/$ip/* /
echo "done!"
fi
} # end of jobs_for_DRBL_SSI
############
### MAIN ###
############
# This part is common for DRBL SSI and clonezilla box
if [ -f /etc/fstab ]; then
# remove those /tftpboot/nodes/$IP.
# now it's single system image
# First we find the template machine IP address:
template_host_ip="$(LANG=C grep -E "[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+:/tftpboot/nodes/.*/etc" /etc/fstab | cut -d":" -f 1)"
echo "# This fstab is modified by DRBL SSI (init.drbl)." > /etc/fstab.mod
grep -vE "[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+:/tftpboot/nodes/" /etc/fstab >> /etc/fstab.mod
#perl -pi -e "s/^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+:/$nfsserver:/g" /etc/fstab.mod
perl -pi -e "s/^$template_host_ip:/$nfsserver:/g" /etc/fstab.mod
mv -f /etc/fstab.mod /etc/fstab
fi
# Modify hostname, yp.conf...
# Hostname, remove the hostname to let DHCP server provide that.
ip=""
netdevices="$(get-nic-devs)"
for device in $netdevices; do
ip="$(drbl-get-ipadd $device)"
[ -n "$ip" ] && break
done
# Try to mapping the hostname from /etc/hosts, if not, use IP-based hostname
HN="$(grep "^[[:space:]]*$ip\>" /etc/hosts | awk -F" " '{print $NF}')"
[ -z "$HN" ] && HN="$(echo $ip | sed -e "s/\./-/g")"
if [ -e /etc/debian_version ]; then
# Debian
echo $HN > /etc/hostname
elif [ -e /etc/SuSE-release ]; then
# SuSE
echo $HN > /etc/HOSTNAME
else
# RH-like
perl -pi -e "s/^[[:space:]]*HOSTNAME=.*/HOSTNAME=$HN/g" /etc/sysconfig/network
fi
# Set the hostname now
hostname $HN
# for YP
perl -pi -e "s/(domain.*server)[[:space:]]+.*/\$1 $nfsserver/g" /etc/yp.conf
# ssh public key so that we can run drbl-doit
# /drbl_ssi/root_ssh_key/authorized_keys is already copied from root's home by drbl-gen-ssi-files
if [ -d "/drbl_ssi/root_ssh_key" ]; then
mkdir -m 600 /root/.ssh
if [ -f "/drbl_ssi/root_ssh_key/authorized_keys" ]; then
cp -f /drbl_ssi/root_ssh_key/authorized_keys /root/.ssh/
fi
fi
#
if [ "$RL" = "1" ]; then
# If runlevel 1, it's clonezilla box mode.
jobs_for_clonezilla_box
else
# not in runleve 1, it's DRBL SSI mode.
jobs_for_DRBL_SSI
fi
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