xcat-core/xCAT/postscripts/updatenetwork

#!/bin/bash
. /tmp/post-install/variables.txt

#delete the udev rule in the image
rule_file=`ls /etc/udev/rules.d/*net_persistent_names.rules`
if [ -n "$rule_file" ];then
    rm -f $rule_file
fi

echo "Updating hostname to $HOSTNAME"
sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network

hostname $HOSTNAME

str_cfg_file=''
if [ -d "/etc/sysconfig/network-scripts/" ];then
    #redhat
    str_cfg_file="/etc/sysconfig/network-scripts/ifcfg-$DEVICE"
elif [ -d "/etc/sysconfig/network/" ];then
    #suse
    str_cfg_file="/etc/sysconfig/network/ifcfg-$DEVICE"
else
    #ubuntu
    str_cfg_file="/etc/network/interfaces.d/$DEVICE"
fi

echo "Old ifcfg-$DEVICE is:"
cat $str_cfg_file

HWADDR=`ifconfig $DEVICE|grep HWaddr|awk '{print $5}'`
sed -i "s/HWADDR=.*/HWADDR="$HWADDR"/g" $str_cfg_file
sed -i "s/UUID=.*//g" $str_cfg_file

echo "New ifcfg-$DEVICE is:"
cat $str_cfg_file