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#!/bin/bash
##############################################################################
# Copyright (c) 2016 HUAWEI TECHNOLOGIES CO.,LTD and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
function clear_forward_rejct_rules()
{
while sudo iptables -nL FORWARD --line-number|grep -E 'REJECT +all +-- +0.0.0.0/0 +0.0.0.0/0 +reject-with icmp-port-unreachable'|head -1|awk '{print $1}'|xargs sudo iptables -D FORWARD; do :; done
}
function setup_bridge_net()
{
net_name=$1
nic=$2
sudo virsh net-destroy $net_name
sudo virsh net-undefine $net_name
sed -e "s/REPLACE_NAME/$net_name/g" \
-e "s/REPLACE_NIC/$nic/g" \
$COMPASS_DIR/deploy/template/network/bridge_nic.xml \
> $WORK_DIR/network/$net_name.xml
sudo virsh net-define $WORK_DIR/network/$net_name.xml
sudo virsh net-start $net_name
}
function save_network_info()
{
sudo ovs-vsctl list-br |grep br-external
br_exist=$?
external_nic=`ip route |grep '^default'|awk '{print $NF}'`
route_info=`ip route |grep -Eo '^default via [^ ]+'`
ip_info=`ip addr show $external_nic|grep -Eo '[^ ]+ brd [^ ]+ '`
if [ $br_exist -eq 0 ]; then
if [ "$external_nic" != "br-external" ]; then
sudo ovs-vsctl --may-exist add-port br-external $external_nic
sudo ip addr flush $external_nic
sudo ip addr add $ip_info dev br-external
sudo ip route add $route_info dev br-external
fi
else
sudo ovs-vsctl add-br br-external
sudo ovs-vsctl add-port br-external $external_nic
sudo ip addr flush $external_nic
sudo ip addr add $ip_info dev br-external
sudo ip route add $route_info dev br-external
fi
}
function setup_bridge_external()
{
sudo virsh net-destroy external
sudo virsh net-undefine external
save_network_info
sed -e "s/REPLACE_NAME/external/g" \
-e "s/REPLACE_OVS/br-external/g" \
$COMPASS_DIR/deploy/template/network/bridge_ovs.xml \
> $WORK_DIR/network/external.xml
sudo virsh net-define $WORK_DIR/network/external.xml
sudo virsh net-start external
python $COMPASS_DIR/deploy/setup_vnic.py
}
function setup_nat_net() {
net_name=$1
gw=$2
mask=$3
ip_start=$4
ip_end=$5
sudo virsh net-destroy $net_name
sudo virsh net-undefine $net_name
# create install network
sed -e "s/REPLACE_BRIDGE/br_$net_name/g" \
-e "s/REPLACE_NAME/$net_name/g" \
-e "s/REPLACE_GATEWAY/$gw/g" \
-e "s/REPLACE_MASK/$mask/g" \
-e "s/REPLACE_START/$ip_start/g" \
-e "s/REPLACE_END/$ip_end/g" \
$COMPASS_DIR/deploy/template/network/nat.xml \
> $WORK_DIR/network/$net_name.xml
sudo virsh net-define $WORK_DIR/network/$net_name.xml
sudo virsh net-start $net_name
}
function create_nets() {
setup_nat_net mgmt $MGMT_GW $MGMT_MASK $MGMT_IP_START $MGMT_IP_END
# create install network
if [[ -n $INSTALL_NIC ]]; then
setup_bridge_net install $INSTALL_NIC
else
setup_nat_net install $INSTALL_GW $INSTALL_MASK
fi
# create external network
setup_bridge_external
clear_forward_rejct_rules
}
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