centos增加虚拟网卡

[tex=code]#!/bin/bash

# Name:  addvip.sh
# Use:   Configure linux(centos=6) add ip to virtual ethernet
# Usage:  bash addvip.sh
# History：
# release20140917  hean  basic function
set -x
DIR=`pwd`
CONF=$DIR/ip.conf
ETH=eth0
FLAG=0 #是否替换ETH IP,0 替换 ，1 不替换
RSYNCSERVER="10.217.13.242::hean/addvip/tmp/"
SUM=`ifconfig | grep "$ETH:" | wc -l`

PDH=`cat /etc/sinainstall.conf | awk -F '[=]' '{print $2}'`

LOGFILE=/tmp/$PDH.log

rm -f $LOGFILE && touch $LOGFILE

cd /etc/sysconfig/network-scripts/

function Separation()
{
echo -e "\n*********************************************************" >>$LOGFILE
}
#按照要求修改网卡
function ModifyEth()
{
#备份配置文件
if [ ! -d backup ]; then
  mkdir backup
  cp ifcfg-* backup/
fi
rm ifcfg-* -f
cp backup/ifcfg-* ./

cat $CONF | grep "$PDH" |sed 's/\ /\n/g' | sed "/$PDH/d" | sed '/^$/d' >$PDH.conf
while read ip; do
  if [ $SUM -eq 0 ] && [ $FLAG -eq 0 ]; then
   sed -i "s/IPADDR.*/IPADDR=$ip/g" ifcfg-$ETH
   GATEWAY=`echo $ip | awk -F '[.]' '{print $1"."$2"."$3".1"}'`
   sed -i "s/GATEWAY.*/GATEWAY=$GATEWAY/g" ifcfg-$ETH
   FLAG=1
   Separation
   cat ifcfg-$ETH >>$LOGFILE
   continue
  fi
  cp ifcfg-$ETH ifcfg-$ETH:$SUM
  sed -i "s/DEVICE.*/DEVICE=\"$ETH:$SUM\"/g" ifcfg-$ETH:$SUM
  sed -i "s/IPADDR.*/IPADDR=$ip/g" ifcfg-$ETH:$SUM
  sed -i '/GATEWAY.*/d' ifcfg-$ETH:$SUM
  Separation
  cat ifcfg-$ETH:$SUM >>$LOGFILE
  ((SUM++))
done <$PDH.conf
  
Separation
cat $PDH.conf >>$LOGFILE && rm -f $PDH.conf
}

#回滚操作
function RollBack()
{

if [ ! -d /etc/sysconfig/network-scripts/backup ]; then
  echo "you have not bond yet!"
  exit 0
fi

rm /etc/sysconfig/network-scripts/ifcfg-* -f && cp /etc/sysconfig/network-scripts/backup/ifcfg-* /etc/sysconfig/network-scripts/
echo "RollBack Finished!"
exit 0
}

if [ $# -eq 0 ]; then
ModifyEth
rsync $LOGFILE $RSYNCSERVER
fi

if [ "$1"x = "-r"x ]; then
RollBack
fi[/tex]

ip.conf样例

PHD11010001 10.28.228.169 10.28.228.170 10.28.228.171