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VPC : add nic hot plug script

This commit is contained in:
anthony 2012-06-12 11:55:48 -07:00 committed by Alena Prokharchyk
parent 982562b9fb
commit d51e3443cb
3 changed files with 39 additions and 1 deletions
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2
patches/systemvm/debian/config/etc/cloud-nic.rules Normal file
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@ -0,0 +1,2 @@
SUBSYSTEM=="net" KERNEL=="eth*" RUN+="/opt/cloud/bin/cloud-nic.sh $env{ACTION} %k"

3
patches/systemvm/debian/config/etc/init.d/cloud-early-config
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@ -616,8 +616,9 @@ EOF
chkconfig nfs-common off
cp /etc/iptables/iptables-vpcrouter /etc/iptables/rules
cp /etc/vpcdnsmasq.conf /etc/dnsmasq.conf
cp /etc/cloud-nic.rules /etc/udev/rules.d/cloud-nic.rules
echo "" > /etc/dnsmasq.d/dhcphosts.txt
echo "dhcp-hostsfile=/etc/dnsmasq.d/dhcphosts.txt" > /etc/dnsmasq.d/cloud.conf
echo "dhcp-hostsfile=/etc/dhcphosts.txt" > /etc/dnsmasq.d/cloud.conf
}

35
patches/systemvm/debian/config/opt/cloud/bin/cloud-nic.sh Executable file
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@ -0,0 +1,35 @@
#!/usr/bin/env bash
plug_nic() {
sudo iptables -t mangle -A PREROUTING -i $dev -m state --state NEW -j MARK --set-mark $tableNo 2>/dev/null
sudo iptables -t mangle -A PREROUTING -i $dev -m state --state NEW -j CONNMARK --save-mark 2>/dev/null
sudo echo "$tableNo $tableName" >> /etc/iproute2/rt_tables 2>/dev/null
sudo ip rule add fwmark $tableNo table $tableName 2>/dev/null
sudo ip route flush table $tableName
sudo ip route flush cache
}
unplug_nic() {
sudo iptables -t mangle -D PREROUTING -i $dev -m state --state NEW -j MARK --set-mark $tableNo 2>/dev/null
sudo iptables -t mangle -D PREROUTING -i $dev -m state --state NEW -j CONNMARK --save-mark 2>/dev/null
sudo sed -i '/"$tableNo $tableName"/d' /etc/iproute2/rt_tables 2>/dev/null
sudo ip rule delete fwmark $tableNo table $tableName 2>/dev/null
sudo ip route flush table $tableName
sudo ip route flush cache
}
action=$1
dev=$2
tableNo=$(echo $dev | awk -F'eth' '{print $2}')
tableName="Table_$dev"
if [ $action == 'add' ]
then
plug_nic
else
unplug_nic
fi