add_router_ext_gateway.py

#!/bin/env python
import logging

import shade

cloud = shade.openstack_cloud(cloud='ovirt')

NS = 'add_router_'


def ns(name):
    return NS + name


def is_member(item, ns):
    return item.name.startswith(ns)


def delete_router(cloud, router):
    for port in cloud.list_router_interfaces(router):
        cloud.remove_router_interface(router, port_id=port.id)
    cloud.delete_router(router.id)


def clean(ns, complete=False):
    def _log(msg):
        logging.warning(msg)

    for item in cloud.list_routers():
        try:
            if complete:
                delete_router(cloud, item)
            if is_member(item, ns):
                delete_router(cloud, item)
        except Exception as e:
            _log(e)

    for item in cloud.list_ports():
        try:
            if complete:
                cloud.delete_port(item.id)
            elif is_member(item, ns):
                cloud.delete_port(item.id)
        except Exception as e:
            _log(e)

    for item in cloud.list_subnets():
        try:
            if complete:
                cloud.delete_subnet(item.id)
            elif is_member(item, ns):
                cloud.delete_subnet(item.id)
        except Exception as e:
            _log(e)

    for item in cloud.list_networks():
        try:
            if complete:
                cloud.delete_network(item.id)
            elif is_member(item, ns):
                cloud.delete_network(item.id)
        except Exception as e:
            _log(e)


clean(NS)


net = cloud.create_network(ns('net'))
subnet = cloud.create_subnet(net.id, cidr='10.0.0.0/24',
                             subnet_name=ns('subnet'), enable_dhcp=True,
                             gateway_ip='10.0.0.1')

router = cloud.create_router(
    name=ns('router'),
    ext_gateway_net_id=net.id,
    ext_fixed_ips=[{"ip_address": "10.0.0.2", 'subnet_id': subnet.id}],
    enable_snat=False
)


clean(NS)