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function destroy_nat() {
sudo virsh net-destroy $1 2>&1
sudo virsh net-undefine $1 2>&1
rm -rf $COMPASS_DIR/deploy/work/network/$1.xml
}
function destroy_bridge()
{
bridge=$1
nic=$2
ip="$3"
brige_info=$(ip addr show $bridge 2>/dev/null)
if [[ -z $brige_info ]]; then
return
fi
if [[ -n $ip ]]; then
ip addr delete $ip dev $bridge | true
fi
ips=`echo "$brige_info" | grep 'inet ' | sed "s/inet //g"`
routes=$(ip route show | grep $bridge)
ip link set $bridge down
brctl delbr $bridge
if [[ -n $ips ]]; then
echo "$ips" | while read line; do
echo $line | sed "s/$bridge/dev $nic/g" | xargs ip addr add | true
done
fi
if [[ -n $routes ]]; then
echo "$routes" | while read line; do
echo $line | sed "s/$bridge/$nic/g" | xargs ip route add | true
done
fi
}
function get_broadcast_addr()
{
ip=(${1//[!0-9]/ })
mask=(${2//[!0-9]/ })
for i in {0..3}; do
num=$((${ip[$i]} | $((${mask[$i]} ^ 255))))
if [[ -z $broadcast ]]; then
broadcast="$num"
else
broadcast="$broadcast.$num"
fi
done
echo ${broadcast}
}
function get_mask_len()
{
mask=`echo $1 | awk -F'.' '{print ($1*(2^24)+$2*(2^16)+$3*(2^8)+$4)}'`
mask_len=`echo "obase=2;${mask}"|bc|awk -F'0' '{print length($1)}'`
echo $mask_len
}
function create_bridge()
{
bridge=$1
nic=$2
ips=$(ip addr show $nic | grep 'inet ' | sed "s/inet //g")
routes=$(ip route show | grep $nic)
ip addr flush $nic
brctl addbr $bridge
brctl addif $bridge $nic
ip link set $bridge up
if [[ -n $ips ]]; then
echo "$ips" | while read line; do
echo $line | sed -e "s/$nic/dev $bridge/g" | xargs ip addr add
done
fi
if [[ -n $routes ]]; then
echo "$routes" | while read line; do
echo $line | sed "s/$nic/$bridge/g" | xargs ip route add | true
done
fi
}
function add_install_ip() {
mask_len=`get_mask_len $INSTALL_MASK`
broadcast=`get_broadcast_addr $INSTALL_GW $INSTALL_MASK`
ip addr add $INSTALL_GW/$mask_len brd $broadcast dev $bridge
}
function setup_install_bridge() {
destroy_bridge br_install $INSTALL_NIC $INSTALL_GW
create_bridge br_install $INSTALL_NIC
add_install_ip
}
function setup_external_net() {
if [[ -z `brctl show br_external 2>/dev/null` ]]; then
brctl addbr br_external
fi
if [[ -z $EXTERNAL_NIC ]]; then
return
fi
if [[ $TYPE == baremetal && $EXTERNAL_NIC == $INSTALL_NIC ]]; then
exit 1
fi
destroy_bridge br_external $EXTERNAL_NIC ""
create_bridge br_external $EXTERNAL_NIC
}
function setup_install_nat() {
destroy_nat install
# create install network
sed -e "s/REPLACE_BRIDGE/br_install/g" \
-e "s/REPLACE_NAME/install/g" \
-e "s/REPLACE_GATEWAY/$INSTALL_GW/g" \
-e "s/REPLACE_MASK/$INSTALL_MASK/g" \
-e "s/REPLACE_START/$INSTALL_IP_START/g" \
-e "s/REPLACE_END/$INSTALL_IP_END/g" \
$COMPASS_DIR/deploy/template/network/nat.xml \
> $WORK_DIR/network/install.xml
sudo virsh net-define $WORK_DIR/network/install.xml
sudo virsh net-start install
}
function create_nets() {
destroy_nat mgmt
# create mgmt network
sed -e "s/REPLACE_BRIDGE/br_mgmt/g" \
-e "s/REPLACE_NAME/mgmt/g" \
-e "s/REPLACE_GATEWAY/$MGMT_GW/g" \
-e "s/REPLACE_MASK/$MGMT_MASK/g" \
-e "s/REPLACE_START/$MGMT_IP_START/g" \
-e "s/REPLACE_END/$MGMT_IP_END/g" \
$COMPASS_DIR/deploy/template/network/nat.xml \
> $WORK_DIR/network/mgmt.xml
sudo virsh net-define $WORK_DIR/network/mgmt.xml
sudo virsh net-start mgmt
# create install network
if [[ ! -z $VIRT_NUMBER ]];then
setup_install_nat
else
setup_install_bridge
fi
# create external network
setup_external_net
}
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