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|
#!/bin/bash
dry_run=false
if [ "$1" = "-n" ] ; then
dry_run=true
shift
fi
if [ $# -ne 1 ]; then
echo "Usage: $0 [ -n ] <autocluster-config>"
exit 1
fi
die ()
{
echo "ERROR: $*" >&2
exit 1
}
gen_xml ()
{
local netname="$1"
local ip="$2"
local ipv6="$3"
local opts="$4"
local uuid=$(uuidgen)
cat <<EOF
<network>
<name>${netname}</name>
<uuid>${uuid}</uuid>
EOF
local o bridge_iface
bridge_iface=""
for o in $opts ; do
case "$o" in
bridge\=*)
bridge_iface="${o#bridge=}"
esac
done
if [ -z "$bridge_iface" ] ; then
cat <<EOF
<forward mode='nat'/>
EOF
else
cat <<EOF
<forward dev='${bridge_iface}' mode='route'>
<interface dev='${bridge_iface}'/>
</forward>
EOF
fi
ip_addr=${ip%/*}
ip_mask=${ip#*/}
ipv6_addr=${ipv6%/*}
ipv6_mask=${ipv6#*/}
cat <<EOF
<bridge name='${netname}' stp='on' forwardDelay='0' />
<ip address='${ip_addr}' prefix='${ip_mask}' />
<ip family='ipv6' address='${ipv6_addr}' prefix='${ipv6_mask}' />
</network>
EOF
}
base_dir=$(cd -P $(dirname $0) ; cd .. ; echo $PWD)
autocluster="$base_dir/autocluster"
if [ ! -x "$autocluster" ]; then
autocluster="autocluster"
fi
# Run autocluster to determine desired network configuration.
network_map=$(NAME=setup_networks IPNUM=1 \
"$autocluster" "${1:+-c}" "$1" \
-e 'make_network_map ; echo $network_map' 2>/dev/null)
if [ $? -ne 0 -o -z "$network_map" ]; then
die "autocluster command failed to generate network list"
fi
while read netname dev ip ipv6 mac opts ; do
echo "Setting up network \"${netname}\""
t=$(mktemp)
gen_xml "$netname" "$ip" "$ipv6" "$opts" >"$t"
if $dry_run ; then
cat "$t"
else
virsh net-define "$t" && \
virsh net-start "$netname" && \
virsh net-autostart "$netname"
fi
rm -f "$t"
done <"$network_map"
|
