vmware-nsx/neutron/tests/unit/midonet/test_midonet_lib.py
Angus Lees e9b4af4c6a Compare subnet length as well when deleting DHCP entry
When searching for the DHCP subnet entry to delete, the existing code
compares only the subnet prefix and ignores subnet length.  This could
delete the wrong entry/entries if nested subnets are present.

Change-Id: Icf079c42adeca14ef84ec57dc45a5930fde8786d
Closes-Bug: #1362416
2014-10-12 20:00:38 +11:00

189 lines
7.2 KiB
Python

# Copyright (C) 2012 Midokura Japan K.K.
# Copyright (C) 2013 Midokura PTE LTD
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sys
import mock
import testtools
import webob.exc as w_exc
from neutron.openstack.common import uuidutils
with mock.patch.dict(sys.modules, {'midonetclient': mock.Mock()}):
from neutron.plugins.midonet import midonet_lib
import neutron.tests.unit.midonet.mock_lib as mock_lib
def _create_test_chain(id, name, tenant_id):
return {'id': id, 'name': name, 'tenant_id': tenant_id}
def _create_test_port_group(id, name, tenant_id):
return {"id": id, "name": name, "tenant_id": tenant_id}
class MidoClientTestCase(testtools.TestCase):
def setUp(self):
super(MidoClientTestCase, self).setUp()
self._tenant_id = 'test-tenant'
self.mock_api = mock.Mock()
self.mock_api_cfg = mock_lib.MidoClientMockConfig(self.mock_api)
self.mock_api_cfg.setup()
self.client = midonet_lib.MidoClient(self.mock_api)
def test_delete_chains_by_names(self):
tenant_id = uuidutils.generate_uuid()
chain1_id = uuidutils.generate_uuid()
chain1 = _create_test_chain(chain1_id, "chain1", tenant_id)
chain2_id = uuidutils.generate_uuid()
chain2 = _create_test_chain(chain2_id, "chain2", tenant_id)
calls = [mock.call.delete_chain(chain1_id),
mock.call.delete_chain(chain2_id)]
self.mock_api_cfg.chains_in = [chain2, chain1]
self.client.delete_chains_by_names(tenant_id, ["chain1", "chain2"])
self.mock_api.assert_has_calls(calls, any_order=True)
def test_delete_port_group_by_name(self):
tenant_id = uuidutils.generate_uuid()
pg1_id = uuidutils.generate_uuid()
pg1 = _create_test_port_group(pg1_id, "pg1", tenant_id)
pg2_id = uuidutils.generate_uuid()
pg2 = _create_test_port_group(pg2_id, "pg2", tenant_id)
self.mock_api_cfg.port_groups_in = [pg1, pg2]
self.client.delete_port_group_by_name(tenant_id, "pg1")
self.mock_api.delete_port_group.assert_called_once_with(pg1_id)
def test_create_dhcp(self):
bridge = mock.Mock()
gateway_ip = "192.168.1.1"
cidr = "192.168.1.0/24"
host_rts = [{'destination': '10.0.0.0/24', 'nexthop': '10.0.0.1'},
{'destination': '10.0.1.0/24', 'nexthop': '10.0.1.1'}]
dns_servers = ["8.8.8.8", "8.8.4.4"]
dhcp_call = mock.call.add_bridge_dhcp(bridge, gateway_ip, cidr,
host_rts=host_rts,
dns_nservers=dns_servers)
self.client.create_dhcp(bridge, gateway_ip, cidr, host_rts=host_rts,
dns_servers=dns_servers)
self.mock_api.assert_has_calls([dhcp_call])
def test_delete_dhcp(self):
bridge = mock.Mock()
subnet1 = mock.Mock()
subnet1.get_subnet_prefix.return_value = "10.0.0.0"
subnet1.get_subnet_length.return_value = "16"
subnet2 = mock.Mock()
subnet2.get_subnet_prefix.return_value = "10.0.0.0"
subnet2.get_subnet_length.return_value = "24"
subnets = mock.MagicMock(return_value=[subnet1, subnet2])
bridge.get_dhcp_subnets.side_effect = subnets
self.client.delete_dhcp(bridge, "10.0.0.0/24")
bridge.assert_has_calls(mock.call.get_dhcp_subnets)
self.assertFalse(subnet1.delete.called)
subnet2.delete.assert_called_once_with()
def test_add_dhcp_host(self):
bridge = mock.Mock()
dhcp_subnet_call = mock.call.get_dhcp_subnet("10.0.0.0_24")
ip_addr_call = dhcp_subnet_call.add_dhcp_host().ip_addr("10.0.0.10")
mac_addr_call = ip_addr_call.mac_addr("2A:DB:6B:8C:19:99")
calls = [dhcp_subnet_call, ip_addr_call, mac_addr_call,
mac_addr_call.create()]
self.client.add_dhcp_host(bridge, "10.0.0.0/24", "10.0.0.10",
"2A:DB:6B:8C:19:99")
bridge.assert_has_calls(calls, any_order=True)
def test_add_dhcp_route_option(self):
bridge = mock.Mock()
subnet = bridge.get_dhcp_subnet.return_value
subnet.get_opt121_routes.return_value = None
dhcp_subnet_call = mock.call.get_dhcp_subnet("10.0.0.0_24")
dst_ip = "10.0.0.3/24"
gw_ip = "10.0.0.1"
prefix, length = dst_ip.split("/")
routes = [{'destinationPrefix': prefix, 'destinationLength': length,
'gatewayAddr': gw_ip}]
opt121_routes_call = dhcp_subnet_call.opt121_routes(routes)
calls = [dhcp_subnet_call, opt121_routes_call,
opt121_routes_call.update()]
self.client.add_dhcp_route_option(bridge, "10.0.0.0/24",
gw_ip, dst_ip)
bridge.assert_has_calls(calls, any_order=True)
def test_get_router_error(self):
self.mock_api.get_router.side_effect = w_exc.HTTPInternalServerError()
self.assertRaises(midonet_lib.MidonetApiException,
self.client.get_router, uuidutils.generate_uuid())
def test_get_router_not_found(self):
self.mock_api.get_router.side_effect = w_exc.HTTPNotFound()
self.assertRaises(midonet_lib.MidonetResourceNotFound,
self.client.get_router, uuidutils.generate_uuid())
def test_get_bridge_error(self):
self.mock_api.get_bridge.side_effect = w_exc.HTTPInternalServerError()
self.assertRaises(midonet_lib.MidonetApiException,
self.client.get_bridge, uuidutils.generate_uuid())
def test_get_bridge_not_found(self):
self.mock_api.get_bridge.side_effect = w_exc.HTTPNotFound()
self.assertRaises(midonet_lib.MidonetResourceNotFound,
self.client.get_bridge, uuidutils.generate_uuid())
def test_get_bridge(self):
bridge_id = uuidutils.generate_uuid()
bridge = self.client.get_bridge(bridge_id)
self.assertIsNotNone(bridge)
self.assertEqual(bridge.get_id(), bridge_id)
self.assertTrue(bridge.get_admin_state_up())
def test_add_bridge_port(self):
bridge_id = uuidutils.generate_uuid()
bridge = self.client.get_bridge(bridge_id)
self.assertIsNotNone(bridge)
port = self.client.add_bridge_port(bridge)
self.assertEqual(bridge.get_id(), port.get_bridge_id())
self.assertTrue(port.get_admin_state_up())
def test_get_router(self):
router_id = uuidutils.generate_uuid()
router = self.client.get_router(router_id)
self.assertIsNotNone(router)
self.assertEqual(router.get_id(), router_id)
self.assertTrue(router.get_admin_state_up())