Synnefo » snf-network

#!/bin/bash

DEFAULT=/etc/default/snf-network

source $DEFAULT

source $CONF

source $INFRA

HOSTNAME=$(hostname)

INTERFACES=$SHAREDDIR/interfaces/$HOSTNAME

HOSTINFRA=$SHAREDDIR/infra/$HOSTNAME

CLUSTERINFRA=$SHAREDDIR/infra/cluster

if [ -e "$HOSTINFRA" ]; then

  source $HOSTINFRA

fi

source $CLUSTERINFRA

if [ -n "$PUBLIC_BRIDGE" -a -e /proc/sys/net/ipv4/conf/$PUBLIC_BRIDGE ]; then 

  echo Interfaces already exist! Please check: 

  echo $PUBLIC_BRIDGE for bridging TAPs with public IPs

  exit 1

elif [ -n "$PUBLIC_VLAN" -a -e /proc/sys/net/ipv4/conf/$PUBLIC_VLAN -o \

       -n "$PRIVATE_BRIDGE" -a -e /proc/sys/net/ipv4/conf/$PRIVATE_BRIDGE -o \

       -n "$PRIVATE_VLAN" -a -e /proc/sys/net/ipv4/conf/$PRIVATE_VLAN ]; then

  echo Interfaces already exist! Please check: 

  echo $PUBLIC_BRIDGE for bridging TAPs with public IPs

  echo $PUBLIC_VLAN for routing TAPs with public IPs

  echo $PRIVATE_VLAN  bridged on $PRIVATE_BRIDGE for private LANs

  exit 1

fi

if [ -n "$PUBLIC_BRIDGE" -a -n "$PUBLIC_IFACE" ]; then

  cat > $INTERFACES<<EOF

auto $PUBLIC_BRIDGE

iface $PUBLIC_BRIDGE inet manual

  bridge_ports $PUBLIC_IFACE

  bridge_stp off

  bridge_fd 2

  post-up ip link set $PUBLIC_BRIDGE address $PUBLIC_MAC 

EOF

else

  if [ -n "$PUBLIC_VLAN" ]; then

    echo PUBLIC_VLAN=$PUBLIC_VLAN >> $HOSTINFRA

    cat >> $INTERFACES<<EOF

auto $PUBLIC_VLAN

iface $PUBLIC_VLAN inet manual

EOF

  fi

  if [ -n "$PRIVATE_VLAN" -a -n "$PRIVATE_BRIDGE" ]; then

    echo PRIVATE_VLAN=$PRIVATE_VLAN >> $HOSTINFRA

    cat >> $INTERFACES<<EOF

auto $PRIVATE_VLAN

iface $PRIVATE_VLAN inet manual

auto $PRIVATE_BRIDGE

iface $PRIVATE_BRIDGE inet manual

  bridge_ports $PRIVATE_VLAN

  bridge_stp off

  bridge_fd 2

  post-up ip link set $PRIVATE_BRIDGE address $PUBLIC_MAC 

EOF

  fi

fi

ifup -i $INTERFACES -a

echo 1 > /proc/sys/net/ipv4/conf/all/forwarding

echo 1 > /proc/sys/net/ipv4/ip_forward