CENTOS下面多外线路由策略应用测试脚本！

古丁高手

[ 本帖最后由 古丁高手 于 2015-05-22 16:34 编辑 ]

环境：
OS:CENTOS6.5
版本：x64
多外线：电信、联通、移动

写了个粗劣的脚本，添加策略路由、默认网关和明细路由条目。大神可以给点意见修改一下。
#!/bin/bash
#################################
#autor:xwy                                          #
#date:v1.0                                               #               
#date:2015.05.22                                                #
#################################
#1.添加默认网关；
if [ -f /etc/iproute2/rt_tables ] ;then

        echo "150        EDU" >>/etc/iproute2/rt_tables
        echo "160        YD" >>/etc/iproute2/rt_tables
        echo "170        LT" >>/etc/iproute2/rt_tables
        echo "180        DX" >>/etc/iproute2/rt_tables
        echo "190        CK" >>/etc/iproute2/rt_tables
else
        echo '/etc/iproute2/rt_tables is not exit! warning!'
        exit 1
fi
sleep 1
#2.查出有多少张网卡
#网卡张数：ifconfig |awk '{print $1}'|grep -E 'eth|em'
#网卡ip地址：ip=`ifconfig a | grep "inet addr" | awk -F: '{print $2}' | awk '{print $1}'`
#设置array_eth和arry_ip数组代表网卡和对应的IP
echo '###########################################'
echo "The localhost Apapter and IP is as flow:"
declare -a array_eth array_ip
i=1
for eth in `ifconfig |awk '{print $1}'|grep -E 'eth|em'|cat`
do       
        array_eth[i]="$eth"
        ip=`ifconfig $eth | grep "inet addr" | awk -F: '{print $2}' | awk '{print $1}'`
        array_ip[i]="$ip"
        echo "NO.$i        ${array_eth[i]}        ${array_ip[i]}"

        i=`expr $i + 1`
done
echo '###########################################'
#3.用户交付
j=1
while [ $j -le ${#array_eth[@]} ]
do
echo ""
echo '###########################################'
echo 'Be carefule to confirm the flowing:'
echo "${array_eth[$j]}        ${array_ip[$j]}"
echo "###########################################"
echo  'This eth line is: DX/LT/YD/CK? Please input:'
read sp
case $sp in
        DX) echo 'Please input DX Gateway:'
        read dx
        ip route flush table DX
        ip route add default via $dx table DX
        ip rule add from ${array_ip[$j]}/32 table DX
        if [ -f ./dx.ips ];then
                for ip1 in `cat ./dx.ips`
                do
                        echo $ip1 via $dx >> /etc/sysconfig/network-scripts/route-${array_eth[$j]}
                done
        else
                echo 'dx.ips file is not exit!'
                exit 1
        fi
        ping -I${array_eth[$j]} baidu.com -c 4
        if [ $? -ne 0 ];then
                echo "Can not access Internet from ${array_eth[$j]} please check it now!"       
                exit 1
        else
                echo 'The DX ip route input is OK!'
        fi
        sleep 1
        ;;
        LT) echo echo 'Please input LT Gateway:'
        read lt
        ip route flush table LT
        ip route add default via $lt table LT
        ip rule add from ${array_ip[$j]}/32 table DX
        if [ -f ./lt.ips ];then
                for ip2 in `cat ./lt.ips`
                do
                        echo $ip2 via $lt >> /etc/sysconfig/network-scripts/route-${array_eth[$j]}
                done
        else
                echo 'lt.ips file is not exit!'
                exit 1
        fi
        ping -I${array_eth[$j]} baidu.com -c 4
        if [ $? -ne 0 ];then
                echo "Can not access Internet from ${array_eth[$j]} please check it now!"
                exit 1
        else
                echo 'The LT ip route input is OK!'
        fi
        sleep 1
        ;;
        YD) echo "Please input YD Gateway:"
        read yd
        ip route flush table YD
        ip route add default via $yd table YD
        ip rule add from ${array_ip[$j]}/32 table YD
        if [ -f ./yd.ips ];then
                for ip3 in `cat ./yd.ips`
                do
                        echo $ip3 via $yd >> /etc/sysconfig/network-scripts/route-${array_eth[$j]}
                done
        else
                echo 'yd.ips file is not exit!'
                exit 1
        fi
        echo 'The YD ip route input is OK!'
        sleep 1
        ;;
        CK) echo "Please input CK Gateway:"
        read ck
        ip route flush table CK
        ip route add default via $ck table CK
        ip rule add from ${array_ip[$j]}/32 table CK
        if [ -f ./CK.ips ];then
                for ip4 in `cat ./lt.ips`
                do
                        echo $ip4 via $ck >> /etc/sysconfig/network-scripts/route-${array_eth[$j]}
                done
        else
                echo 'ck.ips file is not exit!'
                exit 1
        fi
        ping -I${array_eth[$j]} baidu.com -c 4
        if [ $? -ne 0 ];then
                echo "Can not access Internet from ${array_eth[$j]} please check it now!"
                exit 1
        else
                echo 'The CK ip route input is OK!'
        fi
        sleep 1
        ;;
        *) echo "usage:input[DX|LT|YD|CK]"
        exit 1
        ;;
esac
j=`expr $j + 1`
done

service network restart
if [ $? -ne 0 ];then
echo 'The script is running wrong,please check it agin!'
exit 1
else
echo 'ALL the ip route input setting is OK!'
fi