diff --git a/nova/tests/test_flat_network.py b/nova/tests/test_flat_network.py new file mode 100644 index 00000000..dcc617e2 --- /dev/null +++ b/nova/tests/test_flat_network.py @@ -0,0 +1,161 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# 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. +""" +Unit Tests for flat network code +""" +import IPy +import os +import unittest + +from nova import context +from nova import db +from nova import exception +from nova import flags +from nova import log as logging +from nova import test +from nova import utils +from nova.auth import manager +from nova.tests.network import base + + +FLAGS = flags.FLAGS +LOG = logging.getLogger('nova.tests.network') + + +class FlatNetworkTestCase(base.NetworkTestCase): + """Test cases for network code""" + def test_public_network_association(self): + """Makes sure that we can allocate a public ip""" + # TODO(vish): better way of adding floating ips + + self.context._project = self.projects[0] + self.context.project_id = self.projects[0].id + pubnet = IPy.IP(flags.FLAGS.floating_range) + address = str(pubnet[0]) + try: + db.floating_ip_get_by_address(context.get_admin_context(), address) + except exception.NotFound: + db.floating_ip_create(context.get_admin_context(), + {'address': address, + 'host': FLAGS.host}) + + self.assertRaises(NotImplementedError, + self.network.allocate_floating_ip, + self.context, self.projects[0].id) + + fix_addr = self._create_address(0) + float_addr = address + self.assertRaises(NotImplementedError, + self.network.associate_floating_ip, + self.context, float_addr, fix_addr) + + address = db.instance_get_floating_address(context.get_admin_context(), + self.instance_id) + self.assertEqual(address, None) + + self.assertRaises(NotImplementedError, + self.network.disassociate_floating_ip, + self.context, float_addr) + + address = db.instance_get_floating_address(context.get_admin_context(), + self.instance_id) + self.assertEqual(address, None) + + self.assertRaises(NotImplementedError, + self.network.deallocate_floating_ip, + self.context, float_addr) + + self.network.deallocate_fixed_ip(self.context, fix_addr) + db.floating_ip_destroy(context.get_admin_context(), float_addr) + + def test_allocate_deallocate_fixed_ip(self): + """Makes sure that we can allocate and deallocate a fixed ip""" + address = self._create_address(0) + self.assertTrue(self._is_allocated_in_project(address, + self.projects[0].id)) + self._deallocate_address(0, address) + + # check if the fixed ip address is really deallocated + self.assertFalse(self._is_allocated_in_project(address, + self.projects[0].id)) + + def test_side_effects(self): + """Ensures allocating and releasing has no side effects""" + address = self._create_address(0) + address2 = self._create_address(1, self.instance2_id) + + self.assertTrue(self._is_allocated_in_project(address, + self.projects[0].id)) + self.assertTrue(self._is_allocated_in_project(address2, + self.projects[1].id)) + + self._deallocate_address(0, address) + self.assertFalse(self._is_allocated_in_project(address, + self.projects[0].id)) + + # First address release shouldn't affect the second + self.assertTrue(self._is_allocated_in_project(address2, + self.projects[0].id)) + + self._deallocate_address(1, address2) + self.assertFalse(self._is_allocated_in_project(address2, + self.projects[1].id)) + + def test_ips_are_reused(self): + """Makes sure that ip addresses that are deallocated get reused""" + address = self._create_address(0) + self.network.deallocate_fixed_ip(self.context, address) + + address2 = self._create_address(0) + self.assertEqual(address, address2) + + self.network.deallocate_fixed_ip(self.context, address2) + + def test_too_many_addresses(self): + """Test for a NoMoreAddresses exception when all fixed ips are used. + """ + admin_context = context.get_admin_context() + network = db.project_get_network(admin_context, self.projects[0].id) + num_available_ips = db.network_count_available_ips(admin_context, + network['id']) + addresses = [] + instance_ids = [] + for i in range(num_available_ips): + instance_ref = self._create_instance(0) + instance_ids.append(instance_ref['id']) + address = self._create_address(0, instance_ref['id']) + addresses.append(address) + + ip_count = db.network_count_available_ips(context.get_admin_context(), + network['id']) + self.assertEqual(ip_count, 0) + self.assertRaises(db.NoMoreAddresses, + self.network.allocate_fixed_ip, + self.context, + 'foo') + + for i in range(num_available_ips): + self.network.deallocate_fixed_ip(self.context, addresses[i]) + db.instance_destroy(context.get_admin_context(), instance_ids[i]) + ip_count = db.network_count_available_ips(context.get_admin_context(), + network['id']) + self.assertEqual(ip_count, num_available_ips) + + def run(self, result=None): + if(FLAGS.network_manager == 'nova.network.manager.FlatManager'): + super(FlatNetworkTestCase, self).run(result) diff --git a/nova/tests/test_network.py b/nova/tests/test_network.py index 1e634b38..77f6aaff 100644 --- a/nova/tests/test_network.py +++ b/nova/tests/test_network.py @@ -20,21 +20,10 @@ Unit Tests for network code """ import IPy import os -import time -from nova import context -from nova import db -from nova import exception -from nova import flags -from nova import log as logging from nova import test -from nova import utils -from nova.auth import manager from nova.network import linux_net -FLAGS = flags.FLAGS -LOG = logging.getLogger('nova.tests.network') - class IptablesManagerTestCase(test.TestCase): sample_filter = ['#Generated by iptables-save on Fri Feb 18 15:17:05 2011', @@ -175,363 +164,3 @@ class IptablesManagerTestCase(test.TestCase): self.assertTrue('-A %s -j run_tests.py-%s' \ % (chain, chain) in new_lines, "Built-in chain %s not wrapped" % (chain,)) - - -class NetworkTestCase(test.TestCase): - """Test cases for network code""" - def setUp(self): - super(NetworkTestCase, self).setUp() - # NOTE(vish): if you change these flags, make sure to change the - # flags in the corresponding section in nova-dhcpbridge - self.flags(connection_type='fake', - fake_call=True, - fake_network=True) - self.manager = manager.AuthManager() - self.user = self.manager.create_user('netuser', 'netuser', 'netuser') - self.projects = [] - self.network = utils.import_object(FLAGS.network_manager) - self.context = context.RequestContext(project=None, user=self.user) - for i in range(FLAGS.num_networks): - name = 'project%s' % i - project = self.manager.create_project(name, 'netuser', name) - self.projects.append(project) - # create the necessary network data for the project - user_context = context.RequestContext(project=self.projects[i], - user=self.user) - host = self.network.get_network_host(user_context.elevated()) - instance_ref = self._create_instance(0) - self.instance_id = instance_ref['id'] - instance_ref = self._create_instance(1) - self.instance2_id = instance_ref['id'] - - def tearDown(self): - # TODO(termie): this should really be instantiating clean datastores - # in between runs, one failure kills all the tests - db.instance_destroy(context.get_admin_context(), self.instance_id) - db.instance_destroy(context.get_admin_context(), self.instance2_id) - for project in self.projects: - self.manager.delete_project(project) - self.manager.delete_user(self.user) - super(NetworkTestCase, self).tearDown() - - def _create_instance(self, project_num, mac=None): - if not mac: - mac = utils.generate_mac() - project = self.projects[project_num] - self.context._project = project - self.context.project_id = project.id - return db.instance_create(self.context, - {'project_id': project.id, - 'mac_address': mac}) - - def _create_address(self, project_num, instance_id=None): - """Create an address in given project num""" - if instance_id is None: - instance_id = self.instance_id - self.context._project = self.projects[project_num] - self.context.project_id = self.projects[project_num].id - return self.network.allocate_fixed_ip(self.context, instance_id) - - def _deallocate_address(self, project_num, address): - self.context._project = self.projects[project_num] - self.context.project_id = self.projects[project_num].id - self.network.deallocate_fixed_ip(self.context, address) - - def test_private_ipv6(self): - """Make sure ipv6 is OK""" - if FLAGS.use_ipv6: - instance_ref = self._create_instance(0) - address = self._create_address(0, instance_ref['id']) - network_ref = db.project_get_network( - context.get_admin_context(), - self.context.project_id) - address_v6 = db.instance_get_fixed_address_v6( - context.get_admin_context(), - instance_ref['id']) - self.assertEqual(instance_ref['mac_address'], - utils.to_mac(address_v6)) - instance_ref2 = db.fixed_ip_get_instance_v6( - context.get_admin_context(), - address_v6) - self.assertEqual(instance_ref['id'], instance_ref2['id']) - self.assertEqual(address_v6, - utils.to_global_ipv6( - network_ref['cidr_v6'], - instance_ref['mac_address'])) - self._deallocate_address(0, address) - db.instance_destroy(context.get_admin_context(), - instance_ref['id']) - - def test_public_network_association(self): - """Makes sure that we can allocaate a public ip""" - # TODO(vish): better way of adding floating ips - self.context._project = self.projects[0] - self.context.project_id = self.projects[0].id - pubnet = IPy.IP(flags.FLAGS.floating_range) - address = str(pubnet[0]) - try: - db.floating_ip_get_by_address(context.get_admin_context(), address) - except exception.NotFound: - db.floating_ip_create(context.get_admin_context(), - {'address': address, - 'host': FLAGS.host}) - float_addr = self.network.allocate_floating_ip(self.context, - self.projects[0].id) - fix_addr = self._create_address(0) - lease_ip(fix_addr) - self.assertEqual(float_addr, str(pubnet[0])) - self.network.associate_floating_ip(self.context, float_addr, fix_addr) - address = db.instance_get_floating_address(context.get_admin_context(), - self.instance_id) - self.assertEqual(address, float_addr) - self.network.disassociate_floating_ip(self.context, float_addr) - address = db.instance_get_floating_address(context.get_admin_context(), - self.instance_id) - self.assertEqual(address, None) - self.network.deallocate_floating_ip(self.context, float_addr) - self.network.deallocate_fixed_ip(self.context, fix_addr) - release_ip(fix_addr) - db.floating_ip_destroy(context.get_admin_context(), float_addr) - - def test_allocate_deallocate_fixed_ip(self): - """Makes sure that we can allocate and deallocate a fixed ip""" - address = self._create_address(0) - self.assertTrue(is_allocated_in_project(address, self.projects[0].id)) - lease_ip(address) - self._deallocate_address(0, address) - - # Doesn't go away until it's dhcp released - self.assertTrue(is_allocated_in_project(address, self.projects[0].id)) - - release_ip(address) - self.assertFalse(is_allocated_in_project(address, self.projects[0].id)) - - def test_side_effects(self): - """Ensures allocating and releasing has no side effects""" - address = self._create_address(0) - address2 = self._create_address(1, self.instance2_id) - - self.assertTrue(is_allocated_in_project(address, self.projects[0].id)) - self.assertTrue(is_allocated_in_project(address2, self.projects[1].id)) - self.assertFalse(is_allocated_in_project(address, self.projects[1].id)) - - # Addresses are allocated before they're issued - lease_ip(address) - lease_ip(address2) - - self._deallocate_address(0, address) - release_ip(address) - self.assertFalse(is_allocated_in_project(address, self.projects[0].id)) - - # First address release shouldn't affect the second - self.assertTrue(is_allocated_in_project(address2, self.projects[1].id)) - - self._deallocate_address(1, address2) - release_ip(address2) - self.assertFalse(is_allocated_in_project(address2, - self.projects[1].id)) - - def test_subnet_edge(self): - """Makes sure that private ips don't overlap""" - first = self._create_address(0) - lease_ip(first) - instance_ids = [] - for i in range(1, FLAGS.num_networks): - instance_ref = self._create_instance(i, mac=utils.generate_mac()) - instance_ids.append(instance_ref['id']) - address = self._create_address(i, instance_ref['id']) - instance_ref = self._create_instance(i, mac=utils.generate_mac()) - instance_ids.append(instance_ref['id']) - address2 = self._create_address(i, instance_ref['id']) - instance_ref = self._create_instance(i, mac=utils.generate_mac()) - instance_ids.append(instance_ref['id']) - address3 = self._create_address(i, instance_ref['id']) - lease_ip(address) - lease_ip(address2) - lease_ip(address3) - self.context._project = self.projects[i] - self.context.project_id = self.projects[i].id - self.assertFalse(is_allocated_in_project(address, - self.projects[0].id)) - self.assertFalse(is_allocated_in_project(address2, - self.projects[0].id)) - self.assertFalse(is_allocated_in_project(address3, - self.projects[0].id)) - self.network.deallocate_fixed_ip(self.context, address) - self.network.deallocate_fixed_ip(self.context, address2) - self.network.deallocate_fixed_ip(self.context, address3) - release_ip(address) - release_ip(address2) - release_ip(address3) - for instance_id in instance_ids: - db.instance_destroy(context.get_admin_context(), instance_id) - self.context._project = self.projects[0] - self.context.project_id = self.projects[0].id - self.network.deallocate_fixed_ip(self.context, first) - self._deallocate_address(0, first) - release_ip(first) - - def test_vpn_ip_and_port_looks_valid(self): - """Ensure the vpn ip and port are reasonable""" - self.assert_(self.projects[0].vpn_ip) - self.assert_(self.projects[0].vpn_port >= FLAGS.vpn_start) - self.assert_(self.projects[0].vpn_port <= FLAGS.vpn_start + - FLAGS.num_networks) - - def test_too_many_networks(self): - """Ensure error is raised if we run out of networks""" - projects = [] - networks_left = (FLAGS.num_networks - - db.network_count(context.get_admin_context())) - for i in range(networks_left): - project = self.manager.create_project('many%s' % i, self.user) - projects.append(project) - db.project_get_network(context.get_admin_context(), project.id) - project = self.manager.create_project('last', self.user) - projects.append(project) - self.assertRaises(db.NoMoreNetworks, - db.project_get_network, - context.get_admin_context(), - project.id) - for project in projects: - self.manager.delete_project(project) - - def test_ips_are_reused(self): - """Makes sure that ip addresses that are deallocated get reused""" - address = self._create_address(0) - lease_ip(address) - self.network.deallocate_fixed_ip(self.context, address) - release_ip(address) - - address2 = self._create_address(0) - self.assertEqual(address, address2) - lease_ip(address) - self.network.deallocate_fixed_ip(self.context, address2) - release_ip(address) - - def test_available_ips(self): - """Make sure the number of available ips for the network is correct - - The number of available IP addresses depends on the test - environment's setup. - - Network size is set in test fixture's setUp method. - - There are ips reserved at the bottom and top of the range. - services (network, gateway, CloudPipe, broadcast) - """ - network = db.project_get_network(context.get_admin_context(), - self.projects[0].id) - net_size = flags.FLAGS.network_size - admin_context = context.get_admin_context() - total_ips = (db.network_count_available_ips(admin_context, - network['id']) + - db.network_count_reserved_ips(admin_context, - network['id']) + - db.network_count_allocated_ips(admin_context, - network['id'])) - self.assertEqual(total_ips, net_size) - - def test_too_many_addresses(self): - """Test for a NoMoreAddresses exception when all fixed ips are used. - """ - admin_context = context.get_admin_context() - network = db.project_get_network(admin_context, self.projects[0].id) - num_available_ips = db.network_count_available_ips(admin_context, - network['id']) - addresses = [] - instance_ids = [] - for i in range(num_available_ips): - instance_ref = self._create_instance(0) - instance_ids.append(instance_ref['id']) - address = self._create_address(0, instance_ref['id']) - addresses.append(address) - lease_ip(address) - - ip_count = db.network_count_available_ips(context.get_admin_context(), - network['id']) - self.assertEqual(ip_count, 0) - self.assertRaises(db.NoMoreAddresses, - self.network.allocate_fixed_ip, - self.context, - 'foo') - - for i in range(num_available_ips): - self.network.deallocate_fixed_ip(self.context, addresses[i]) - release_ip(addresses[i]) - db.instance_destroy(context.get_admin_context(), instance_ids[i]) - ip_count = db.network_count_available_ips(context.get_admin_context(), - network['id']) - self.assertEqual(ip_count, num_available_ips) - - def test_dhcp_lease_output(self): - admin_ctxt = context.get_admin_context() - address = self._create_address(0, self.instance_id) - lease_ip(address) - network_ref = db.network_get_by_instance(admin_ctxt, self.instance_id) - leases = linux_net.get_dhcp_leases(context.get_admin_context(), - network_ref['id']) - for line in leases.split('\n'): - seconds, mac, ip, hostname, client_id = line.split(' ') - self.assertTrue(int(seconds) > time.time(), 'Lease expires in ' - 'the past') - octets = mac.split(':') - self.assertEqual(len(octets), 6, "Wrong number of octets " - "in %s" % (max,)) - for octet in octets: - self.assertEqual(len(octet), 2, "Oddly sized octet: %s" - % (octet,)) - # This will throw an exception if the octet is invalid - int(octet, 16) - - # And this will raise an exception in case of an invalid IP - IPy.IP(ip) - - release_ip(address) - - -def is_allocated_in_project(address, project_id): - """Returns true if address is in specified project""" - project_net = db.project_get_network(context.get_admin_context(), - project_id) - network = db.fixed_ip_get_network(context.get_admin_context(), address) - instance = db.fixed_ip_get_instance(context.get_admin_context(), address) - # instance exists until release - return instance is not None and network['id'] == project_net['id'] - - -def binpath(script): - """Returns the absolute path to a script in bin""" - return os.path.abspath(os.path.join(__file__, "../../../bin", script)) - - -def lease_ip(private_ip): - """Run add command on dhcpbridge""" - network_ref = db.fixed_ip_get_network(context.get_admin_context(), - private_ip) - instance_ref = db.fixed_ip_get_instance(context.get_admin_context(), - private_ip) - cmd = (binpath('nova-dhcpbridge'), 'add', - instance_ref['mac_address'], - private_ip, 'fake') - env = {'DNSMASQ_INTERFACE': network_ref['bridge'], - 'TESTING': '1', - 'FLAGFILE': FLAGS.dhcpbridge_flagfile} - (out, err) = utils.execute(*cmd, addl_env=env) - LOG.debug("ISSUE_IP: %s, %s ", out, err) - - -def release_ip(private_ip): - """Run del command on dhcpbridge""" - network_ref = db.fixed_ip_get_network(context.get_admin_context(), - private_ip) - instance_ref = db.fixed_ip_get_instance(context.get_admin_context(), - private_ip) - cmd = (binpath('nova-dhcpbridge'), 'del', - instance_ref['mac_address'], - private_ip, 'fake') - env = {'DNSMASQ_INTERFACE': network_ref['bridge'], - 'TESTING': '1', - 'FLAGFILE': FLAGS.dhcpbridge_flagfile} - (out, err) = utils.execute(*cmd, addl_env=env) - LOG.debug("RELEASE_IP: %s, %s ", out, err) diff --git a/nova/tests/test_vlan_network.py b/nova/tests/test_vlan_network.py new file mode 100644 index 00000000..063b8183 --- /dev/null +++ b/nova/tests/test_vlan_network.py @@ -0,0 +1,242 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# 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. +""" +Unit Tests for vlan network code +""" +import IPy +import os + +from nova import context +from nova import db +from nova import exception +from nova import flags +from nova import log as logging +from nova import test +from nova import utils +from nova.auth import manager +from nova.tests.network import base +from nova.tests.network import binpath,\ + lease_ip, release_ip + +FLAGS = flags.FLAGS +LOG = logging.getLogger('nova.tests.network') + + +class VlanNetworkTestCase(base.NetworkTestCase): + """Test cases for network code""" + def test_public_network_association(self): + """Makes sure that we can allocaate a public ip""" + # TODO(vish): better way of adding floating ips + self.context._project = self.projects[0] + self.context.project_id = self.projects[0].id + pubnet = IPy.IP(flags.FLAGS.floating_range) + address = str(pubnet[0]) + try: + db.floating_ip_get_by_address(context.get_admin_context(), address) + except exception.NotFound: + db.floating_ip_create(context.get_admin_context(), + {'address': address, + 'host': FLAGS.host}) + float_addr = self.network.allocate_floating_ip(self.context, + self.projects[0].id) + fix_addr = self._create_address(0) + lease_ip(fix_addr) + self.assertEqual(float_addr, str(pubnet[0])) + self.network.associate_floating_ip(self.context, float_addr, fix_addr) + address = db.instance_get_floating_address(context.get_admin_context(), + self.instance_id) + self.assertEqual(address, float_addr) + self.network.disassociate_floating_ip(self.context, float_addr) + address = db.instance_get_floating_address(context.get_admin_context(), + self.instance_id) + self.assertEqual(address, None) + self.network.deallocate_floating_ip(self.context, float_addr) + self.network.deallocate_fixed_ip(self.context, fix_addr) + release_ip(fix_addr) + db.floating_ip_destroy(context.get_admin_context(), float_addr) + + def test_allocate_deallocate_fixed_ip(self): + """Makes sure that we can allocate and deallocate a fixed ip""" + address = self._create_address(0) + self.assertTrue(self._is_allocated_in_project(address, + self.projects[0].id)) + lease_ip(address) + self._deallocate_address(0, address) + + # Doesn't go away until it's dhcp released + self.assertTrue(self._is_allocated_in_project(address, + self.projects[0].id)) + + release_ip(address) + self.assertFalse(self._is_allocated_in_project(address, + self.projects[0].id)) + + def test_side_effects(self): + """Ensures allocating and releasing has no side effects""" + address = self._create_address(0) + address2 = self._create_address(1, self.instance2_id) + + self.assertTrue(self._is_allocated_in_project(address, + self.projects[0].id)) + self.assertTrue(self._is_allocated_in_project(address2, + self.projects[1].id)) + self.assertFalse(self._is_allocated_in_project(address, + self.projects[1].id)) + + # Addresses are allocated before they're issued + lease_ip(address) + lease_ip(address2) + + self._deallocate_address(0, address) + release_ip(address) + self.assertFalse(self._is_allocated_in_project(address, + self.projects[0].id)) + + # First address release shouldn't affect the second + self.assertTrue(self._is_allocated_in_project(address2, + self.projects[1].id)) + + self._deallocate_address(1, address2) + release_ip(address2) + self.assertFalse(self._is_allocated_in_project(address2, + self.projects[1].id)) + + def test_subnet_edge(self): + """Makes sure that private ips don't overlap""" + first = self._create_address(0) + lease_ip(first) + instance_ids = [] + for i in range(1, FLAGS.num_networks): + instance_ref = self._create_instance(i, mac=utils.generate_mac()) + instance_ids.append(instance_ref['id']) + address = self._create_address(i, instance_ref['id']) + instance_ref = self._create_instance(i, mac=utils.generate_mac()) + instance_ids.append(instance_ref['id']) + address2 = self._create_address(i, instance_ref['id']) + instance_ref = self._create_instance(i, mac=utils.generate_mac()) + instance_ids.append(instance_ref['id']) + address3 = self._create_address(i, instance_ref['id']) + lease_ip(address) + lease_ip(address2) + lease_ip(address3) + self.context._project = self.projects[i] + self.context.project_id = self.projects[i].id + self.assertFalse(self._is_allocated_in_project(address, + self.projects[0].id)) + self.assertFalse(self._is_allocated_in_project(address2, + self.projects[0].id)) + self.assertFalse(self._is_allocated_in_project(address3, + self.projects[0].id)) + self.network.deallocate_fixed_ip(self.context, address) + self.network.deallocate_fixed_ip(self.context, address2) + self.network.deallocate_fixed_ip(self.context, address3) + release_ip(address) + release_ip(address2) + release_ip(address3) + for instance_id in instance_ids: + db.instance_destroy(context.get_admin_context(), instance_id) + self.context._project = self.projects[0] + self.context.project_id = self.projects[0].id + self.network.deallocate_fixed_ip(self.context, first) + self._deallocate_address(0, first) + release_ip(first) + + def test_vpn_ip_and_port_looks_valid(self): + """Ensure the vpn ip and port are reasonable""" + self.assert_(self.projects[0].vpn_ip) + self.assert_(self.projects[0].vpn_port >= FLAGS.vpn_start) + self.assert_(self.projects[0].vpn_port <= FLAGS.vpn_start + + FLAGS.num_networks) + + def test_too_many_networks(self): + """Ensure error is raised if we run out of networks""" + projects = [] + networks_left = (FLAGS.num_networks - + db.network_count(context.get_admin_context())) + for i in range(networks_left): + project = self.manager.create_project('many%s' % i, self.user) + projects.append(project) + db.project_get_network(context.get_admin_context(), project.id) + project = self.manager.create_project('last', self.user) + projects.append(project) + self.assertRaises(db.NoMoreNetworks, + db.project_get_network, + context.get_admin_context(), + project.id) + for project in projects: + self.manager.delete_project(project) + + def test_ips_are_reused(self): + """Makes sure that ip addresses that are deallocated get reused""" + address = self._create_address(0) + lease_ip(address) + self.network.deallocate_fixed_ip(self.context, address) + release_ip(address) + + address2 = self._create_address(0) + self.assertEqual(address, address2) + lease_ip(address) + self.network.deallocate_fixed_ip(self.context, address2) + release_ip(address) + + def test_too_many_addresses(self): + """Test for a NoMoreAddresses exception when all fixed ips are used. + """ + admin_context = context.get_admin_context() + network = db.project_get_network(admin_context, self.projects[0].id) + num_available_ips = db.network_count_available_ips(admin_context, + network['id']) + addresses = [] + instance_ids = [] + for i in range(num_available_ips): + instance_ref = self._create_instance(0) + instance_ids.append(instance_ref['id']) + address = self._create_address(0, instance_ref['id']) + addresses.append(address) + lease_ip(address) + + ip_count = db.network_count_available_ips(context.get_admin_context(), + network['id']) + self.assertEqual(ip_count, 0) + self.assertRaises(db.NoMoreAddresses, + self.network.allocate_fixed_ip, + self.context, + 'foo') + + for i in range(num_available_ips): + self.network.deallocate_fixed_ip(self.context, addresses[i]) + release_ip(addresses[i]) + db.instance_destroy(context.get_admin_context(), instance_ids[i]) + ip_count = db.network_count_available_ips(context.get_admin_context(), + network['id']) + self.assertEqual(ip_count, num_available_ips) + + def _is_allocated_in_project(self, address, project_id): + """Returns true if address is in specified project""" + project_net = db.project_get_network(context.get_admin_context(), + project_id) + network = db.fixed_ip_get_network(context.get_admin_context(), + address) + instance = db.fixed_ip_get_instance(context.get_admin_context(), + address) + # instance exists until release + return instance is not None and network['id'] == project_net['id'] + + def run(self, result=None): + if(FLAGS.network_manager == 'nova.network.manager.VlanManager'): + super(VlanNetworkTestCase, self).run(result) diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py index 89ff85b7..b22163e9 100644 --- a/nova/tests/test_xenapi.py +++ b/nova/tests/test_xenapi.py @@ -292,10 +292,10 @@ class XenAPIVMTestCase(test.TestCase): 'ips': [{'ip': '10.0.0.3', 'netmask':'255.255.255.0', 'enabled':'1'}], - 'ip6s': [{'ip': '', - 'netmask': '', + 'ip6s': [{'ip': 'fe80::a8bb:ccff:fedd:eeff', + 'netmask': '120', 'enabled': '1', - 'gateway': ''}], + 'gateway': 'fe80::a00:1'}], 'mac': 'aa:bb:cc:dd:ee:ff', 'dns': ['10.0.0.2'], 'gateway': '10.0.0.1'})