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

hostname $HOSTNAME

device_name=''
str_mac=''
for str_temp in `cat /proc/cmdline`;do
    echo $str_temp | grep -i 'BOOTIF'
    if [ $? -eq 0 ];then
        str_mac=`echo $str_temp | awk -F= '{print $2}' | sed -r 's/^01-//' | tr '-'  ':' | tr 'a-z' 'A-Z'`
        device_name=`ifconfig -a | grep -i $str_mac | awk '{print $1}' | head -n 1`
    fi

done

if [ -z "$device_name" ];then
    device_name=$DEVICE
    str_mac=`ifconfig $device_name|grep -i HWaddr|awk '{print $5}'`
fi
str_cfg_file=''
if [ -d "/etc/sysconfig/network-scripts/" ];then
    #redhat
    rm -f /etc/sysconfig/network-scripts/ifcfg-*
    str_cfg_file="/etc/sysconfig/network-scripts/ifcfg-$device_name"
    sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network
    echo "DEVICE=\"$device_name\"" > $str_cfg_file
    echo "BOOTPROTO=\"dhcp\"" >> $str_cfg_file
    echo "NM_CONTROLLED=\"yes\"" >> $str_cfg_file
    echo "HWADDR=$str_mac" >> $str_cfg_file
    echo "ONBOOT=\"yes\"" >> $str_cfg_file
elif [ -d "/etc/sysconfig/network/" ];then
    #suse
    rm -f /etc/sysconfig/network/ifcfg-*
    str_cfg_file="/etc/sysconfig/network/ifcfg-$device_name"
    echo "$HOSTNAME" > /etc/HOSTNAME
    echo "DEVICE=\"$device_name\"" > $str_cfg_file
    echo "HWADDR=$str_mac" >> $str_cfg_file
    echo "BOOTPROTO=dhcp" >> $str_cfg_file
    echo "STARTMODE=onboot" >> $str_cfg_file
    echo "DHCLIENT_PRIMARY_DEVICE=yes" >> $str_cfg_file
else
    #ubuntu
    echo "Does not support ubuntu."
    exit 1
fi