路由启动脚本

 

 

#!/bin/bash

HOST=http://169.254.169.254

COUNT=0

for DEV in `/sbin/ifconfig | grep -i "d0:.d" | grep "eth[0-9]* " | awk '{print $1}'`;do

    TABLE=$((${DEV:3}+100))

    IP="`/sbin/ifconfig "$DEV" | grep "inet " | awk '{print $2}' | awk -F":" '{print $2}'`"

    NETWORK_MASK=`ip route | grep -w "$DEV  proto"|awk '{print substr($1,1,length($1))}'`

    NETWORK=`ip route | grep -w "$DEV  proto"|awk '{print substr($1,1,length($1)-3)}'`

    GATEWAY=${NETWORK%.*}.$(expr ${NETWORK##*.} + 1)

    if [ -z $IP ]||[ -z $GATEWAY ];then

        continue

    fi

    ip route flush table $TABLE

    ip route add default via $GATEWAY dev $DEV src $IP table $TABLE prio 50

    ip route add $NETWORK_MASK dev $DEV src $IP table $TABLE prio 50

    ip rule add from $IP table $TABLE

    COUNT=$(($COUNT+1))

done

 

if [ $COUNT -lt "2" ];then

    exit

fi

for DEV in `/sbin/ifconfig | grep -i " d0:.d" | grep "eth[0-9]* " | awk '{print $1}'`;do

    NETWORK=`ip route | grep -w "$DEV  proto"|awk '{print substr($1,1,length($1)-3)}'`

    GATEWAY=${NETWORK%.*}.$(expr ${NETWORK##*.} + 1)

    TABLE=$((${DEV:3}+100))

    HW=`/sbin/ifconfig "$DEV"|tr '[A-Z]' '[a-z]' | sed -n "/ d0:.d/s/.*hwaddr *//p" | sed -n 's/:/_/gp'`

    FILENAME="${HW:0:6}route.txt"

    FILEPATH="/tmp/$FILENAME"

    wget $HOST/latest/meta-data/"$FILENAME" -q -O "$FILEPATH"; UNREACHEABLE=$?

    while [ $UNREACHEABLE -ne "0" ]

        do wget $HOST/latest/meta-data/"$FILENAME" -q -O "$FILEPATH"; UNREACHEABLE=$?; sleep 5;

    done

    while read line;do

        if [ -z $line ];then

            continue

        fi

        route add -net $line gw $GATEWAY

   done < "$FILEPATH"

done

 

本文转自 jxwpx 51CTO博客，原文链接：http://blog.51cto.com/jxwpx/1114716，如需转载请自行联系原作者