162 lines
6.6 KiB
Python
162 lines
6.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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"""
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Unit Tests for flat network code
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"""
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import IPy
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import os
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import unittest
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from nova import context
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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 import utils
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from nova.auth import manager
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from nova.tests.network import base
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FLAGS = flags.FLAGS
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LOG = logging.getLogger('nova.tests.network')
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class FlatNetworkTestCase(base.NetworkTestCase):
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"""Test cases for network code"""
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def test_public_network_association(self):
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"""Makes sure that we can allocate a public ip"""
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# TODO(vish): better way of adding floating ips
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self.context._project = self.projects[0]
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self.context.project_id = self.projects[0].id
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pubnet = IPy.IP(flags.FLAGS.floating_range)
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address = str(pubnet[0])
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try:
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db.floating_ip_get_by_address(context.get_admin_context(), address)
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except exception.NotFound:
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db.floating_ip_create(context.get_admin_context(),
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{'address': address,
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'host': FLAGS.host})
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self.assertRaises(NotImplementedError,
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self.network.allocate_floating_ip,
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self.context, self.projects[0].id)
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fix_addr = self._create_address(0)
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float_addr = address
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self.assertRaises(NotImplementedError,
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self.network.associate_floating_ip,
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self.context, float_addr, fix_addr)
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address = db.instance_get_floating_address(context.get_admin_context(),
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self.instance_id)
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self.assertEqual(address, None)
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self.assertRaises(NotImplementedError,
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self.network.disassociate_floating_ip,
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self.context, float_addr)
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address = db.instance_get_floating_address(context.get_admin_context(),
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self.instance_id)
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self.assertEqual(address, None)
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self.assertRaises(NotImplementedError,
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self.network.deallocate_floating_ip,
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self.context, float_addr)
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self.network.deallocate_fixed_ip(self.context, fix_addr)
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db.floating_ip_destroy(context.get_admin_context(), float_addr)
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def test_allocate_deallocate_fixed_ip(self):
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"""Makes sure that we can allocate and deallocate a fixed ip"""
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address = self._create_address(0)
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self.assertTrue(self._is_allocated_in_project(address,
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self.projects[0].id))
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self._deallocate_address(0, address)
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# check if the fixed ip address is really deallocated
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self.assertFalse(self._is_allocated_in_project(address,
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self.projects[0].id))
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def test_side_effects(self):
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"""Ensures allocating and releasing has no side effects"""
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address = self._create_address(0)
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address2 = self._create_address(1, self.instance2_id)
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self.assertTrue(self._is_allocated_in_project(address,
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self.projects[0].id))
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self.assertTrue(self._is_allocated_in_project(address2,
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self.projects[1].id))
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self._deallocate_address(0, address)
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self.assertFalse(self._is_allocated_in_project(address,
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self.projects[0].id))
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# First address release shouldn't affect the second
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self.assertTrue(self._is_allocated_in_project(address2,
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self.projects[0].id))
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self._deallocate_address(1, address2)
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self.assertFalse(self._is_allocated_in_project(address2,
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self.projects[1].id))
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def test_ips_are_reused(self):
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"""Makes sure that ip addresses that are deallocated get reused"""
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address = self._create_address(0)
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self.network.deallocate_fixed_ip(self.context, address)
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address2 = self._create_address(0)
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self.assertEqual(address, address2)
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self.network.deallocate_fixed_ip(self.context, address2)
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def test_too_many_addresses(self):
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"""Test for a NoMoreAddresses exception when all fixed ips are used.
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"""
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admin_context = context.get_admin_context()
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network = db.project_get_network(admin_context, self.projects[0].id)
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num_available_ips = db.network_count_available_ips(admin_context,
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network['id'])
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addresses = []
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instance_ids = []
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for i in range(num_available_ips):
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instance_ref = self._create_instance(0)
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instance_ids.append(instance_ref['id'])
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address = self._create_address(0, instance_ref['id'])
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addresses.append(address)
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ip_count = db.network_count_available_ips(context.get_admin_context(),
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network['id'])
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self.assertEqual(ip_count, 0)
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self.assertRaises(db.NoMoreAddresses,
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self.network.allocate_fixed_ip,
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self.context,
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'foo')
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for i in range(num_available_ips):
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self.network.deallocate_fixed_ip(self.context, addresses[i])
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db.instance_destroy(context.get_admin_context(), instance_ids[i])
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ip_count = db.network_count_available_ips(context.get_admin_context(),
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network['id'])
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self.assertEqual(ip_count, num_available_ips)
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def run(self, result=None):
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if(FLAGS.network_manager == 'nova.network.manager.FlatManager'):
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super(FlatNetworkTestCase, self).run(result)
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