Synnefo » snf-network

#!/bin/bash

# This is an example of a Ganeti kvm ifup script that configures network

# interfaces based on the initial deployment of the Okeanos project

source /etc/default/snf-network

source /usr/lib/snf-network/common.sh

if [ "x$INTERFACE" = "x" ]; then

  $SNF_NETWORK_LOG $0 "INTERFACE not set. Aborting"

else

  $SNF_NETWORK_LOG $0 "Unconfiguring interface $INTEFACE of $GANETI_INSTANCE_NAME"

fi

FROM=FROM${INTERFACE^^}

TO=TO${INTERFACE^^}

ONLY_LOCAL=$2

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

  TABLE=$LINK

  DROPDHCPREQCMD="iptables -A FORWARD -D $INTERFACE -p udp --dport 67 -j DROP"

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

  DROPDHCPREQCMD="runlocked $RUNLOCKED_OPTS ebtables -D $FROM -p ipv4 --ip-protocol udp --ip-destination-port 67 -j DROP"

fi

for tag in $NETWORK_TAGS; do

  case $tag in

  $IP_LESS_ROUTED_TAG)

    try clear_routed_setup_ipv4

    try clear_routed_setup_ipv6

    try clear_routed_setup_firewall

  ;;

  $NFDHCPD_TAG)

    # Drop unicast BOOTP/DHCP packets

    $DROPDHCPREQCMD

    try clear_nfdhcpd

  ;;

  $MAC_FILTERED_TAG)

    try clear_ebtables

  ;;

  $DNS_TAG)

    if ! $ONLY_LOCAL; then

      get_rev4_info "$IP"

      get_eui64 "$MAC" "$SUBNET6"

      get_rev6_info "$EUI64"

      $SNF_NETWORK_LOG $0 "delete dns entry for $GANETI_INSTANCE_NAME $IP $EUI64"

      update_all delete

    fi

  ;;

  esac

done

exit 0