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#!/bin/bash
#
# ConVirt - Copyright (c) 2008 Convirture Corp.
# ======
#
# ConVirt is a Virtualization management tool with a graphical user
# interface that allows for performing the standard set of VM operations
# (start, stop, pause, kill, shutdown, reboot, snapshot, etc...). It
# also attempts to simplify various aspects of VM lifecycle management.
#
#
# This software is subject to the GNU General Public License, Version 2 (GPLv2)
# and for details, please consult it at:
#
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#
#
# author : Jd <jd_jedi@users.sourceforge.net>
#
# Distribution and version specific code can go here.
# Assume that common functions are included
# Assme the DIST and the VER to be set here.
open_ports()
{
echo "open_ports : not implemented for ${DIST} distribution. "
echo "If you are using firewall, please open 8002 and 8006 ports."
echo "These are required for ConVirt to connect succesfully"
return 0
}
# Restart the network
restart_network()
{
/etc/init.d/networking restart
return 0
}
# update the network service
setup_nw_svc()
{
# default dnsmasq service is causing problems. disable it.
echo "Disabling default dnsmasq service."
/etc/init.d/dnsmasq stop
update-rc.d -f dnsmasq remove
update-rc.d convirt-nw defaults
return 0
}
verify_bridge(){
match_found=`grep "^auto $bridgeName" -c /etc/network/interfaces`
if [ $match_found -gt 0 ]; then
return 1
fi
return 0
}
# Milind : Implementation for Debian/Ubuntu
# Bridge parameters from
# https://help.ubuntu.com/community/KVM/Networking
#
setup_public_bridge_for_kvm() {
# create a backup file so people can restore easily
NW_FILE=/etc/network/interfaces
BACKUP_FILE=$NW_FILE.`date +"%Y%m%d.%H%M%S"`
cp $NW_FILE $BACKUP_FILE
CHANGED="F"
# Iterate through interfaces
PHY_IFACES=`get_physical_interfaces`
for iface in $PHY_IFACES
do
index=`echo $iface | sed 's/^[^0-9]*//'`
bridgeName=br$index
# check if the interface is not already part of some other
# bridge
grep "bridge_ports .*$iface" $NW_FILE >/dev/null 2>/dev/null
if [ $? != 1 ]; then
echo "interface $iface already part of bridge. skiping it"
continue
fi
verify_bridge
if [ "$?" == "0" ]; then
CHANGED="T"
# look for interface entry in NW_FILE, if not, add it.
grep "iface .*$iface inet" $NW_FILE >/dev/null 2>/dev/null
if [ $? == 1 ]; then
echo "" >> $NW_FILE
echo "auto $iface" >> $NW_FILE
echo "iface $iface inet manual" >> $NW_FILE
fi
echo "" >> $NW_FILE
echo "auto $bridgeName" >> $NW_FILE
echo "iface $bridgeName inet dhcp" >> $NW_FILE
echo " bridge_ports $iface" >> $NW_FILE
echo " bridge_fd 0" >> $NW_FILE
echo " bridge_stp off" >> $NW_FILE
echo " bridge_maxwait 0" >> $NW_FILE
echo "" >> $NW_FILE
mkdir -p /etc/kvm
sed "{s/SWITCH_NAME/$bridgeName/} " < ${common_scripts}/qemubridge-ifup > /etc/kvm/qemu-ifup-${bridgeName}
chmod 744 /etc/kvm/qemu-ifup-${bridgeName}
# switch the interface to manual
sed -i "s/iface $iface inet.*/iface $iface inet manual/" $NW_FILE
fi
done
if [ "$CHANGED" == "T" ]; then
enable_ip_forward
restart_network
else
rm -f $BACKUP_FILE
fi
}
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