Created
December 17, 2012 19:27
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adding policy based route for each ENI
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#!/bin/sh | |
perl -v > /dev/null || exit 1 | |
m() | |
{ | |
curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/$1 | |
} | |
for mac in `m` | |
do | |
dev=`m $mac/device-number` | |
subnet=`m $mac/subnet-ipv4-cidr-block` | |
gw=`echo $subnet | perl -pe 's#/.+##; @ip=split(/\./); $ip[3]++ ; $_=join(".",@ip)'` | |
ip route flush table 100$dev | |
ip route add table 100$dev to $subnet dev eth$dev | |
ip route add table 100$dev to default via $gw dev eth$dev | |
ip rule add from $subnet table 100$dev priority 100$dev | |
done | |
ip route flush cache |
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