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#!/bin/bash
router_name="${1}"
private_network_name="${2}"
private_network_cidr="${3}"
ext_network_name="${4}"
dns_servers="${5}"
if [ "${router_name}" == "" ]; then
echo "No router name supplied." >&2
exit 1
elif [ "${private_network_name}" == "" ]; then
echo "No private network name supplied." >&2
exit 1
elif [ "${private_network_cidr}" == "" ]; then
echo "No private network CIDR supplied." >&2
exit 1
elif [ "${ext_network_name}" == "" ]; then
echo "No external network name supplied." >&2
exit 1
elif [ "${dns_servers}" == "" ]; then
echo "No dns servers supplied." >&2
exit 1
fi
ext_network_id=$(openstack network show -f shell -c id "${ext_network_name}" 2>/dev/null | awk -F= '{print $2;}' | sed -e 's/\"//g')
if [ "${ext_network_id}" == "" ]; then
echo "No ${ext_network_name} network exists." >&2
exit 1
fi
private_network_id=$(openstack network show -f shell -c id "${private_network_name}" 2>/dev/null | awk -F= '{print $2;}' |sed -e 's/\"//g')
if [ "${private_network_id}" == "" ]; then
openstack network create "${private_network_name}" >/dev/null
openstack subnet create \
"${private_network_name}" \
--network "${private_network_name}" \
--subnet-range "${private_network_cidr}" \
--dns-nameserver $(echo ${dns_servers} | awk '{print $1;}') \
--dns-nameserver $(echo ${dns_servers} | awk '{print $2;}') \
--dns-nameserver $(echo ${dns_servers} | awk '{print $3;}') \
>/dev/null
private_network_id=$(openstack network show -f shell -c id "${private_network_name}" 2>/dev/null | awk -F= '{print $2;}' |sed -e 's/\"//g')
if [ "${private_network_id}" == "" ]; then
echo "Cannot retrieve private network ID after creation." >&2
exit 1
fi
fi
router_id=$(openstack router show -f shell -c id "${router_name}" 2>/dev/null | awk -F= '{print $2;}' | sed -e 's/\"//g')
if [ "${router_id}" == "" ]; then
openstack router create "${router_name}" >/dev/null
router_id=$(openstack router show -f shell -c id "${router_name}" 2>/dev/null | awk -F= '{print $2;}' | sed -e 's/\"//g')
if [ "${router_id}" == "" ]; then
echo "Cannot retrieve router ID after creation." >&2
exit 1
fi
fi
gateway_info=$(openstack router show -f shell -c external_gateway_info "${router_name}" 2>/dev/null | grep -F 'external_fixed_ips')
if [ "${gateway_info}" == "" ]; then
openstack router set "${router_id}" --external-gateway "${ext_network_id}" >/dev/null
fi
openstack router add subnet "${router_id}" "${private_network_name}" >/dev/null 2>&1 || true
echo -n "${private_network_id}"
exit 0
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