Synnefo » snf-network

#!/bin/bash

source /etc/default/snf-network

source $CONF

NETWORKS="$(ls $SHAREDDIR/networks/)"

HOSTNAME=$(hostname)

for NETWORK in $NETWORKS; do

  NETFILE=$SHAREDDIR/networks/$NETWORK

  NODEMAPFILE=$SHAREDDIR/mappings/$NETWORK-$HOSTNAME

  NODEINFRAFILE=$SHAREDDIR/infra/$HOSTNAME

  RT_TABLES=/etc/iproute2/rt_tables

  source $NODEINFRAFILE

  source $NETFILE

  source $NODEMAPFILE

  if [ "$MODE" == "routed" ]; then 

    VLAN=$LINK

    TABLE=rt_$NETWORK

    if [ "$TYPE" == "public" ]; then

      ARP_IP=$(ipcalc $SUBNET | grep HostMax | awk '{print $2}')

      arptables -D OUTPUT -o $VLAN --opcode request -j mangle --mangle-ip-s  $ARP_IP 

      ip route del default via $GATEWAY dev $VLAN table $TABLE

      ip route del $SUBNET dev $VLAN table $TABLE

      ip route del $SUBNET dev $VLAN table main 

      ip rule del iif $VLAN table $TABLE

      sed -i 's/.*'"$TABLE"'$//' $RT_TABLES

    fi

  fi

  if [ "$MODE" == "bridged" ]; then

    BRIDGE=$LINK

    if [ ! -z "$GATEWAY" -a $ENABLE_MASQ ]; then

      if [ "$TYPE" == "private" ]; then 

        if [ "$HOSTNAME" == "$ROUTER" ]; then

          NETMASK=$(ipcalc $SUBNET | grep Netmask | awk '{print $4}')

          ip addr del $GATEWAY/$NETMASK dev $BRIDGE

          iptables -t nat -D POSTROUTING -s $SUBNET \! -d 192.168.0.0/16 -j MASQUERADE

        fi  

      fi

    fi

  fi

done

INTERFACES=$SHAREDDIR/interfaces/$HOSTNAME

ifdown -i $INTERFACES -a --force