#!/bin/bash
#oz script to create joes(just enough operating system) guests
#NOTE: once the oz-install is finished, define the xml file and start the guest
#usage
if [ $# -ne 1 ]; then
echo "Usage: $0 <name>"
exit 1
fi


TDLFILE=$1.tdl
LOGFILE=$1.out
LOGFILE2=nwinfo.out
NAME=$1
#This must be run as root

        if [ `id -u` -ne 0 ] ; then
echo "Please run as 'root' to execute '$0'!"
                exit 1
        fi

#Enable IP forwarding on your host
cat /proc/sys/net/ipv4/ip_forward

if [ $? -ne 1 ] ; then
echo 1 > /proc/sys/net/ipv4/ip_forward
echo "IP forwarding enabled"
fi

# A few checks so that oz-install won't go crazy with iptables. (Just deals with the default virt-network)
run_command() {
    echo "# $@"
    eval "$@"
}

(
run_command /usr/bin/virsh net-destroy default
run_command /usr/bin/virsh net-start default
run_command /usr/bin/virsh net-list --all
run_command cat /proc/sys/net/ipv4/ip_forward
) >& $LOGFILE2


#create the tdl file(note:the below url will be automatically redirected to our local tree))
function _make_tdl() {
cat << EOF > $TDLFILE
<template>
<name>$NAME</name>
<os>
<name>Fedora</name>
<version>16</version>
<arch>x86_64</arch>
<install type='url'>
<url>http://download.foo.bar.com/pub/fedora/linux/releases/16/Fedora/x86_64/os/</url>
</install>
<rootpw>testpwd</rootpw>
</os>
<description>Fedora 16</description>
</template>

EOF
}

#Create the TDL file
_make_tdl

sleep 3

#run the oz script as root
/usr/bin/oz-install -d 4 $TDLFILE 2>&1 | tee $LOGFILE