A-A+
一个路由启动脚本的范例
下面是一个路由器启动的脚本，并不复杂所以没附加说明了。
- #!/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