set_bond0.sh

#!/bin/bash
#=======================>jihongrui-sd@qq.com <============================
# 绑定多个网卡为bond0 适用于CentOS 5 / 6
# 会将所有网卡都绑定
PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:"
export PATH

# IP
BONDIP='192.168.111.222'
BONDMASK='255.255.255.0'

BONDGWAY='192.168.111.1'

BONDDNS1='192.168.111.1'
BONDDNS2='223.5.5.5'
BONDDNS3='180.76.76.76'

# 配置文件目录
NDIR="/etc/sysconfig/network-scripts/"

# bond 网卡名
BOND="ifcfg-bond0"
# bond 模式
MODE='5'

###################################################################################

sed -i '/GATEWAY/d' /etc/sysconfig/network
echo "GATEWAY=$BONDGWAY" >> /etc/sysconfig/network
{
echo "nameserver $BONDDNS1"
echo "nameserver $BONDDNS2"
echo "nameserver $BONDDNS3"
} > /etc/resolv.conf


###################################################################################
function NewNE(){
# 备份原文件
BAKDIR="/var/bak/network"
[ ! -d ${BAKDIR} ] && mkdir -p "${BAKDIR}"
tar cf "${BAKDIR}/$(date +%F_%R)_network-scripts.tar.gz" "${NDIR}" &>/dev/null

#
for ((i=$1;i<=$2;i++))

do

sed -i '/^IPADDR.*$/d' "${NDIR}${NE}${i}"
sed -i '/^NETMASK.*$/d' "${NDIR}${NE}${i}"
sed -i '/^GATEWAY.*$/d' "${NDIR}${NE}${i}"
sed -i '/^DNS.*$/d' "${NDIR}${NE}${i}"
sed -i '/^PREFIX.*$/d' "${NDIR}${NE}${i}"
sed -i '/UUID/d' "${NDIR}${NE}${i}"
sed -i 's#^ONBOOT\=no$#ONBOOT\=yes#g' "${NDIR}${NE}${i}"
sed -i 's#^BOOTPROTO=dhcp$#BOOTPROTO=none#g' "${NDIR}${NE}${i}"
sed -i '$a MASTER=bond0' "${NDIR}${NE}${i}"
sed -i '$a SLAVE=yes' "${NDIR}${NE}${i}"
sed -i '$a USERCTL=no' "${NDIR}${NE}${i}"
sed -i '$a IPV6INIT=no' "${NDIR}${NE}${i}"
done
bondinst
}

###################################################################################
function bondinst(){


#touch bond0
{
echo "DEVICE=bond0"
#echo "USERCTL=no"
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
#echo "NM_CONTROLLED=yes"
echo "BOOTPROTO=static"
echo "IPADDR=$BONDIP"
echo "NETMASK=$BONDMASK"
} > "${NDIR}${BOND}"

# add bond0 in dist.conf
Centos5="/etc/modprobe.conf"
Centos6="/etc/modprobe.d/dist.conf"
if [[ -f ${Centos5} ]] && [[ ! -f ${Centos6} ]]
then
    Files=${Centos5}
else
    Files=${Centos6}
fi
if [[ $(grep 'bond' ${Files}) == "" ]]
then
{
echo "alias bond0 bonding"
echo "options bond0 miimon=100 mode=$MODE"
}>> ${Files}

service network restart
fi
}
###################################################################################

function main(){
# Check eth0 or em1
T1=$(ls ${NDIR} |grep -c '^ifcfg-em.$')
T2=$(ls ${NDIR} |grep -c '^ifcfg-eth.$')

if [[ "$T1" -ne 0 ]] && [[ "$T2" -eq 0 ]]
then
    NE="ifcfg-em"
    NewNE 1 "${T1}"
else
    NE="ifcfg-eth"
    NewNE 0 "$((T2-1))"
fi
}

###################################################################################
main