265 lines
9.2 KiB
Python
265 lines
9.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Rackspace
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from nova import db
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from nova import exception
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from nova import flags
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from nova import log as logging
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from nova import test
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from nova.network import manager as network_manager
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import mox
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FLAGS = flags.FLAGS
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LOG = logging.getLogger('nova.tests.network')
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HOST = "testhost"
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class FakeModel(dict):
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"""Represent a model from the db"""
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def __init__(self, *args, **kwargs):
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self.update(kwargs)
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def __getattr__(self, name):
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return self[name]
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networks = [{'id': 0,
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'label': 'test0',
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'injected': False,
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'multi_host': False,
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'cidr': '192.168.0.0/24',
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'cidr_v6': '2001:db8::/64',
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'gateway_v6': '2001:db8::1',
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'netmask_v6': '64',
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'netmask': '255.255.255.0',
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'bridge': 'fa0',
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'bridge_interface': 'fake_fa0',
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'gateway': '192.168.0.1',
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'broadcast': '192.168.0.255',
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'dns1': '192.168.0.1',
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'dns2': '192.168.0.2',
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'vlan': None,
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'host': None,
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'project_id': 'fake_project',
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'vpn_public_address': '192.168.0.2'},
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{'id': 1,
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'label': 'test1',
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'injected': False,
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'multi_host': False,
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'cidr': '192.168.1.0/24',
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'cidr_v6': '2001:db9::/64',
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'gateway_v6': '2001:db9::1',
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'netmask_v6': '64',
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'netmask': '255.255.255.0',
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'bridge': 'fa1',
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'bridge_interface': 'fake_fa1',
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'gateway': '192.168.1.1',
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'broadcast': '192.168.1.255',
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'dns1': '192.168.0.1',
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'dns2': '192.168.0.2',
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'vlan': None,
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'host': None,
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'project_id': 'fake_project',
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'vpn_public_address': '192.168.1.2'}]
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fixed_ips = [{'id': 0,
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'network_id': 0,
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'address': '192.168.0.100',
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'instance_id': 0,
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'allocated': False,
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'virtual_interface_id': 0,
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'floating_ips': []},
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{'id': 0,
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'network_id': 1,
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'address': '192.168.1.100',
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'instance_id': 0,
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'allocated': False,
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'virtual_interface_id': 0,
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'floating_ips': []}]
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flavor = {'id': 0,
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'rxtx_cap': 3}
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floating_ip_fields = {'id': 0,
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'address': '192.168.10.100',
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'fixed_ip_id': 0,
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'project_id': None,
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'auto_assigned': False}
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vifs = [{'id': 0,
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'address': 'DE:AD:BE:EF:00:00',
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'network_id': 0,
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'network': FakeModel(**networks[0]),
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'instance_id': 0},
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{'id': 1,
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'address': 'DE:AD:BE:EF:00:01',
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'network_id': 1,
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'network': FakeModel(**networks[1]),
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'instance_id': 0}]
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class FlatNetworkTestCase(test.TestCase):
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def setUp(self):
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super(FlatNetworkTestCase, self).setUp()
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self.network = network_manager.FlatManager(host=HOST)
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self.network.db = db
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def test_get_instance_nw_info(self):
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self.mox.StubOutWithMock(db, 'fixed_ip_get_by_instance')
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self.mox.StubOutWithMock(db, 'virtual_interface_get_by_instance')
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self.mox.StubOutWithMock(db, 'instance_type_get')
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db.fixed_ip_get_by_instance(mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn(fixed_ips)
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db.virtual_interface_get_by_instance(mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn(vifs)
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db.instance_type_get(mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn(flavor)
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self.mox.ReplayAll()
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nw_info = self.network.get_instance_nw_info(None, 0, 0, None)
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self.assertTrue(nw_info)
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for i, nw in enumerate(nw_info):
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i8 = i + 8
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check = {'bridge': 'fa%s' % i,
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'cidr': '192.168.%s.0/24' % i,
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'cidr_v6': '2001:db%s::/64' % i8,
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'id': i,
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'injected': 'DONTCARE'}
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self.assertDictMatch(nw[0], check)
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check = {'broadcast': '192.168.%s.255' % i,
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'dhcp_server': '192.168.%s.1' % i,
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'dns': 'DONTCARE',
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'gateway': '192.168.%s.1' % i,
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'gateway6': '2001:db%s::1' % i8,
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'ip6s': 'DONTCARE',
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'ips': 'DONTCARE',
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'label': 'test%s' % i,
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'mac': 'DE:AD:BE:EF:00:0%s' % i,
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'rxtx_cap': 'DONTCARE'}
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self.assertDictMatch(nw[1], check)
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check = [{'enabled': 'DONTCARE',
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'ip': '2001:db%s::dcad:beff:feef:%s' % (i8, i),
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'netmask': '64'}]
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self.assertDictListMatch(nw[1]['ip6s'], check)
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check = [{'enabled': '1',
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'ip': '192.168.%s.100' % i,
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'netmask': '255.255.255.0'}]
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self.assertDictListMatch(nw[1]['ips'], check)
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class VlanNetworkTestCase(test.TestCase):
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def setUp(self):
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super(VlanNetworkTestCase, self).setUp()
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self.network = network_manager.VlanManager(host=HOST)
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self.network.db = db
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def test_vpn_allocate_fixed_ip(self):
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self.mox.StubOutWithMock(db, 'fixed_ip_associate')
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self.mox.StubOutWithMock(db, 'fixed_ip_update')
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self.mox.StubOutWithMock(db,
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'virtual_interface_get_by_instance_and_network')
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db.fixed_ip_associate(mox.IgnoreArg(),
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mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn('192.168.0.1')
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db.fixed_ip_update(mox.IgnoreArg(),
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mox.IgnoreArg(),
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mox.IgnoreArg())
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db.virtual_interface_get_by_instance_and_network(mox.IgnoreArg(),
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mox.IgnoreArg(), mox.IgnoreArg()).AndReturn({'id': 0})
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self.mox.ReplayAll()
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network = dict(networks[0])
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network['vpn_private_address'] = '192.168.0.2'
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self.network.allocate_fixed_ip(None, 0, network, vpn=True)
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def test_allocate_fixed_ip(self):
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self.mox.StubOutWithMock(db, 'fixed_ip_associate_pool')
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self.mox.StubOutWithMock(db, 'fixed_ip_update')
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self.mox.StubOutWithMock(db,
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'virtual_interface_get_by_instance_and_network')
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db.fixed_ip_associate_pool(mox.IgnoreArg(),
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mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn('192.168.0.1')
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db.fixed_ip_update(mox.IgnoreArg(),
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mox.IgnoreArg(),
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mox.IgnoreArg())
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db.virtual_interface_get_by_instance_and_network(mox.IgnoreArg(),
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mox.IgnoreArg(), mox.IgnoreArg()).AndReturn({'id': 0})
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self.mox.ReplayAll()
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network = dict(networks[0])
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network['vpn_private_address'] = '192.168.0.2'
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self.network.allocate_fixed_ip(None, 0, network)
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def test_create_networks_too_big(self):
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self.assertRaises(ValueError, self.network.create_networks, None,
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num_networks=4094, vlan_start=1)
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def test_create_networks_too_many(self):
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self.assertRaises(ValueError, self.network.create_networks, None,
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num_networks=100, vlan_start=1,
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cidr='192.168.0.1/24', network_size=100)
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class CommonNetworkTestCase(test.TestCase):
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class FakeNetworkManager(network_manager.NetworkManager):
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"""This NetworkManager doesn't call the base class so we can bypass all
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inherited service cruft and just perform unit tests.
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"""
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class FakeDB:
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def fixed_ip_get_by_instance(self, context, instance_id):
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return [dict(address='10.0.0.0'), dict(address='10.0.0.1'),
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dict(address='10.0.0.2')]
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def __init__(self):
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self.db = self.FakeDB()
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self.deallocate_called = None
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def deallocate_fixed_ip(self, context, address):
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self.deallocate_called = address
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def test_remove_fixed_ip_from_instance(self):
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manager = self.FakeNetworkManager()
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manager.remove_fixed_ip_from_instance(None, 99, '10.0.0.1')
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self.assertEquals(manager.deallocate_called, '10.0.0.1')
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def test_remove_fixed_ip_from_instance_bad_input(self):
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manager = self.FakeNetworkManager()
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self.assertRaises(exception.FixedIpNotFoundForSpecificInstance,
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manager.remove_fixed_ip_from_instance,
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None, 99, 'bad input')
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