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# Copyright (c) 2008, 2009 - OpenSLX GmbH
#
# This program/file is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# Script is included from init via the "." load function - thus it has all
# variables and functions available
write_udhcpd_conf ()
{
local cfgfile=$1
echo "
# udhcpd configuration file written by $0 during OpenSLX stage3 configuration
# The start and end of the IP lease block
start 192.168.101.20
end 192.168.101.100
# The interface that udhcpd will use
interface NWIF
# How long an offered address is reserved (leased) in seconds
offer_time 6000
# The location of the leases file
lease_file /var/lib/misc/udhcpd.leases
# The location of the pid file
pidfile /var/run/udhcpd.pid
opt dns ${domain_name_servers}
option subnet 255.255.255.0
opt router 192.168.10.2
opt wins 192.168.10.10
option domain virtual.site ${domain_name}
# Additional options known to udhcpd
#subnet #timezone
#router #timesvr
#namesvr #dns
#logsvr #cookiesvr
#lprsvr #bootsize
#domain #swapsvr
#rootpath #ipttl
#mtu #broadcast
#wins #lease
#ntpsrv #tftp
#bootfile
" >${cfgfile}
}
# check if the configuration file is available
if [ -e /initramfs/plugin-conf/qemukvm.conf ]; then
# check for the virtualization CPU features
if grep -q "svm" /proc/cpuinfo && modprobe ${MODPRV} kvm_amd ; then
[ $DEBUGLEVEL -gt 0 ] && echo " * Loaded kvm_amd module"
elif grep -q "vmx" /proc/cpuinfo && modprobe ${MODPRV} kvm_intel ; then
[ $DEBUGLEVEL -gt 0 ] && echo " * Loaded kvm_intel module"
elif modprobe ${MODPRV} kqemu ; then
[ $DEBUGLEVEL -gt 0 ] && \
error " * Successfully loaded the kqemu module, but loading of kvm_amd \
or kvm_intel\n failed, because no virtualization extenstion found in this \
CPU. Please\n enable the extension within your machines BIOS or get another \
CPU." nonfatal
else
error " * All module loading failed including the kqemu module, which \
was either\n not found or couldn't be loaded for other reasons. Thus using \
qemu(-kvm)\n makes not much sense."
exit 1
fi
# load the tunnel device module
modprobe tun 2>/dev/null
# load needed variables
. /initramfs/plugin-conf/qemukvm.conf
# Test if this plugin is activated... more or less useless with the
# new plugin system
if [ $qemukvm_active -ne 0 ]; then
[ $DEBUGLEVEL -gt 0 ] && echo "executing the 'qemukvm' os-plugin ...";
# load general configuration
. /initramfs/machine-setup
# get source of qemukvm image server (get type, server and path)
if strinstr "/" "${qemukvm_imagesrc}" ; then
qkimgprot=$(uri_token ${qemukvm_imagesrc} prot)
qkimgserv=$(uri_token ${qemukvm_imagesrc} server)
qkimgpath="$(uri_token ${qemukvm_imagesrc} path)"
fi
if [ -n "${qkimgserv}" ] ; then
# directory where qemu images are expected in
mnttarget=/mnt/var/lib/virt/qemukvm
# mount the qemukvm image source readonly (ro)
fsmount ${qkimgprot} ${qkimgserv} ${qkimgpath} ${mnttarget} ro
else
[ $DEBUGLEVEL -gt 1 ] && error " * Incomplete information in variable \
${qemukvm_imagesrc}." nonfatal
fi
# copy version depending files - the vmchooser expects for every virtua-
# lization plugin a file named after it (here run-qemukvm.include)
testmkd /mnt/etc/opt/openslx
cp /mnt/opt/openslx/plugin-repo/qemukvm/run-virt.include \
/mnt/etc/opt/openslx/run-qemukvm.include
# create a template udhcpd configuration file
write_udhcpd_conf /mnt/etc/opt/openslx/udhcpd.qemukvm
# for the busybox dhcp server
testmkd /mnt/var/lib/misc
touch /mnt/var/lib/misc/udhcpd.leases
# copy the /etc/qemu-ifup script and enable extended rights for running
# the emulator via sudo
cp /mnt/opt/openslx/plugin-repo/qemukvm/qemu-if* /mnt/etc
chmod u+x /mnt/etc/qemu-ifup
for qemubin in qemu kvm ; do
qemu="$(binfinder ${qemubin})"
[ -n "${qemu}" ] && \
echo "ALL ALL=NOPASSWD: ${qemu}" >>/mnt/etc/sudoers
done
fi
else
[ $DEBUGLEVEL -gt 0 ] && echo " * Configuration of qemukvm plugin failed"
fi
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