Remove kvm-vif-bridge script from repo

kvm-vif-bridge is provided by snf-network. Remove it from the synnefo
repo to avoid confusion.

snf-cyclades-gtools/kvm-vif-bridge

-#!/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
-
-TAP_CONSTANT_MAC=cc:47:52:4e:45:54 # GRNET in hex :-)
-MAC2EUI64=/usr/bin/mac2eui64
-NFDHCPD_STATE_DIR=/var/lib/nfdhcpd
-
-function routed_setup_ipv4 {
-	# get the link's default gateway
-	gw=$(ip route list table $LINK | sed -n 's/default via \([^ ]\+\).*/\1/p' | head -1)
-
-	# mangle ARPs to come from the gw's IP
-	arptables -D OUTPUT -o $INTERFACE --opcode request -j mangle >/dev/null 2>&1
-	arptables -A OUTPUT -o $INTERFACE --opcode request -j mangle --mangle-ip-s "$gw"
-
-	# route interface to the proper routing table
-	while ip rule del dev $INTERFACE; do :; done
-	ip rule add dev $INTERFACE table $LINK
-
-	# static route mapping IP -> INTERFACE
-	ip route replace $IP table $LINK proto static dev $INTERFACE
-
-	# Enable proxy ARP
-	echo 1 > /proc/sys/net/ipv4/conf/$INTERFACE/proxy_arp
-}
-
-function routed_setup_ipv6 {
-	# Add a routing entry for the eui-64
-	prefix=$(ip -6 route list table $LINK | awk '/\/64/ {print $1; exit}')
-	uplink=$(ip -6 route list table $LINK | sed -n 's/default via .* dev \([^ ]\+\).*/\1/p' | head -1)
-	eui64=$($MAC2EUI64 $MAC $prefix)
-
-	while ip -6 rule del dev $INTERFACE; do :; done
-	ip -6 rule add dev $INTERFACE table $LINK
-	ip -6 ro replace $eui64/128 dev $INTERFACE table $LINK
-	ip -6 neigh add proxy $eui64 dev $uplink
-
-	# disable proxy NDP since we're handling this on userspace
-	# this should be the default, but better safe than sorry
-	echo 0 > /proc/sys/net/ipv6/conf/$INTERFACE/proxy_ndp
-}
-
-# pick a firewall profile per NIC, based on tags (and apply it)
-function routed_setup_firewall {
-	ifprefix="synnefo:network:$INTERFACE_INDEX:"
-	for tag in $TAGS; do
-		case ${tag#$ifprefix} in
-		protected)
-			chain=protected
-		;;
-		unprotected)
-			chain=unprotected
-		;;
-		limited)
-			chain=limited
-		;;
-		esac
-	done
-
-	# Flush any old rules. We have to consider all chains, since
-	# we are not sure the instance was on the same chain, or had the same
-	# tap interface.
-	for oldchain in protected unprotected limited; do
-		iptables  -D FORWARD -o $INTERFACE -j $oldchain 2>/dev/null
-		ip6tables -D FORWARD -o $INTERFACE -j $oldchain 2>/dev/null
-	done
-
-	if [ "x$chain" != "x" ]; then
-		iptables  -A FORWARD -o $INTERFACE -j $chain
-		ip6tables -A FORWARD -o $INTERFACE -j $chain
-	fi
-}
-
-function routed_setup_nfdhcpd {
-	umask 022
-	cat >$NFDHCPD_STATE_DIR/$INTERFACE <<EOF
-IP=$IP
-MAC=$MAC
-LINK=$LINK
-HOSTNAME=$INSTANCE
-TAGS="$TAGS"
-EOF
-}
-
-if [ "$MODE" = "routed" ]; then
-	# special proxy-ARP/NDP routing mode
-
-	# use a constant predefined MAC address for the tap
-	ip link set $INTERFACE addr $TAP_CONSTANT_MAC
-	# bring the tap up
-	ifconfig $INTERFACE 0.0.0.0 up
-
-	# Drop unicast BOOTP/DHCP packets
-	iptables -D FORWARD -i $INTERFACE -p udp --dport 67 -j DROP 2>/dev/null
-	iptables -A FORWARD -i $INTERFACE -p udp --dport 67 -j DROP
-
-	routed_setup_ipv4
-	routed_setup_ipv6
-	routed_setup_firewall
-	routed_setup_nfdhcpd
-elif [ "$MODE" = "bridged" ]; then
-	ifconfig $INTERFACE 0.0.0.0 up
-	brctl addif $BRIDGE $INTERFACE
-	rm -f $NFDHCPD_STATE_DIR/$INTERFACE
-fi