Synnefo » snf-network

#!/bin/bash

DIR=/var/lib/snf-network

NETWORK=$1

NODEGROUP=$2

source /etc/default/snf-network

if [ $# -ne 2 ]; then

  echo "$0 <network> <nodegroup>"

  exit 1

fi

NETWORK_FILE=$DIR/networks/$NETWORK

NODEGROUP_FILE=$DIR/nodegoups/$NODEGROUP

INTERFACES=$DIR/interfaces/$NETWORK-$NODEGROUP

read x VLAN BRIDGE < $INTERFACES

VLAN_ID=${VLAN#*:}

source $NETWORK_FILE

source $NODEGROUP_FILE

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

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

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

    ip rule del iif $VLAN table rt_$NAME

    ip route del $SUBNET dev $VLAN table main 

    ip route del $SUBNET dev $VLAN table rt_$NAME

    ip route del default via $GATEWAY dev $VLAN table rt_$NAME

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

    ifdown -i $INTERFACES $VLAN

    rm $INTERFACES

  fi

fi

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

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

    VLAN_IDS="$VLAN_ID $PRIVATE_VLAN_IDS"

    sed -i 's/PRIVATE_VLAN_IDS/ s/=.*/='"VLAN_IDS"'/' $NODEGROUP_FILE

  fi

  ip route del $SUBNET dev $BRIDGE table main

  ip route del $SUBNET dev $BRIDGE table rt_$NETWORK

  if [ ! -z $GATEWAY ]; then

    ip route del default via $GATEWAY dev $BRIDGE table rt_$NETWORK

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

      if [ ! -z $ROUTER ]; then 

        if [ $(hostname) == $ROUTER ]; then

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

          ip addr del $GATEWAY/$NETMASK dev $LINK 

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

        fi  

      fi

    fi

  fi

  ifdown -i $INTERFACES $BRIDGE

  rm $INTERFACES

fi