Script for OpenvVSwhich support in OpenVZ

gistfile1.sh

#!/bin/sh
#
# Add virtual network interfaces (veth's) in a container to a bridge on CT0
# Manual: http://openvz.org/Virtual_Ethernet_device#Automating_the_bridge
 
CONFIGFILE=/etc/vz/conf/$VEID.conf
. $CONFIGFILE
 
NETIFLIST=$(printf %s "$NETIF" |tr ';' '\n')
 
if [ -z "$NETIFLIST" ]; then
   echo >&2 "According to $CONFIGFILE, CT$VEID has no veth interface configured."
   exit 1
fi
 
for iface in $NETIFLIST; do
    bridge=
    host_ifname=
 
 
    for str in $(printf %s "$iface" |tr ',' '\n'); do
    case "$str" in
        bridge=*|host_ifname=*)
        eval "${str%%=*}=\${str#*=}" ;;
    esac
    done
    [ "$host_ifname" = "$3" ] ||
    continue
 
    [ -n "$bridge" ] ||
    bridge=vmbr0
 
    echo "Adding interface $host_ifname to bridge $bridge on CT0 for CT$VEID"
    ip link set dev "$host_ifname" up
    #ip addr add 0.0.0.0/0 dev "$host_ifname"
    #echo 1 >"/proc/sys/net/ipv4/conf/$host_ifname/proxy_arp"
    #echo 1 >"/proc/sys/net/ipv4/conf/$host_ifname/forwarding"
    /usr/bin/ovs-vsctl del-port "$bridge" "$host_ifname"
    /usr/bin/ovs-vsctl add-port "$bridge" "$host_ifname"
    break
done
 
exit 0