#!/bin/bash
#Used only by sysclone

installmethods=''
if [ -f "/etc/xcat/xcatinstallinfo" ];then
    installmethods=`cat /etc/xcat/xcatinstallinfo`
fi

if [ "$installmethods" != "sysclone" ];then
#    echo "This node didn't be installed by sysclone"
    exit 0
fi

#update the exclude configuration file
#do not sync the following files
for filename in \
    /boot/efi \
    /boot/grub \
    /etc/fstab \
    /etc/grub.conf \
    /etc/lilo.conf \
    /etc/elilo.conf \
    /etc/xcat \
    /etc/yaboot.conf \
    /etc/hosts \
    /etc/udev/rules.d  \
    /etc/modprobe.d/bond0.conf \
    /etc/modprobe.d/bond1.conf \
    /etc/ssh \
    /etc/sysconfig/syslog \
    /etc/syslog-ng/syslog-ng.conf \
    /opt/xcat \
    /root/.ssh \
    /var/cache \
    /xcatpost 
do
    if [ ! -e $filename ];then
        continue
    fi

    grep -E "^\s*${filename}\s*$" "/etc/systemimager/updateclient.local.exclude"
    if [ $? -ne 0 ];then
        echo "$filename" >> "/etc/systemimager/updateclient.local.exclude"
    fi
done

#get the current image server
str_server_ip=''
. /opt/xcat/xcatinfo
if [ -n "$XCATSERVER" ];then
    str_server_ip=$XCATSERVER
else
    str_server_ip=$MASTER
fi

if [ -z "$str_server_ip" ];then
    echo "Can not find out the image server."
    exit 1
fi

str_server_ip=`echo $str_server_ip | sed "s/'//g"`
#call system imager command to update the image
echo "si_updateclient --server $str_server_ip --yes"
export PERL5LIB=/usr/lib/perl5/site_perl/;LANG=C si_updateclient --server $str_server_ip --yes 

if [[ -f /sbin/dracut ]]; then
    # redhat6.x/centos6.x
    echo "Running dracut to regenerate the initrd with the drivers needed by this node:"
    dracut  --force
else
    # suse/sles and redhat5.x/centos5.x
    echo "Running mkinitrd to regenerate the initrd with the drivers needed by this node:"
    osvers=`cat /etc/*release|sed -e 's/.*\([0-9]\{1,\}\.[0-9]\{1,\}\).*/\1/'`
    if [[ $osvers == 5\.* ]];then
        initrdfile=`find /boot -name "initrd-*.img"`
        kernelversion=`echo $initrdfile |sed -e 's:/boot/initrd-\(.*\)\.img:\1:g'`
        mv $initrdfile $initrdfile.org
        mkinitrd $initrdfile $kernelversion
    else
        mkinitrd
    fi
fi