added flatmanager unit testcases and renamed test_network.py to test_vlan_network.py
This commit is contained in:
Tushar Patil
276
nova/tests/test_flat_network.py
Normal file
276
nova/tests/test_flat_network.py
Normal file
@@ -0,0 +1,276 @@
|
||||
# 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 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
|
||||
|
||||
FLAGS = flags.FLAGS
|
||||
LOG = logging.getLogger('nova.tests.network')
|
||||
|
||||
|
||||
class FlatNetworkTestCase(test.TestCase):
|
||||
"""Test cases for network code"""
|
||||
def setUp(self):
|
||||
super(FlatNetworkTestCase, 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(5):
|
||||
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(FlatNetworkTestCase, 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 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(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(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._deallocate_address(0, 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[0].id))
|
||||
|
||||
self._deallocate_address(1, address2)
|
||||
self.assertFalse(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_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)
|
||||
|
||||
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)
|
||||
|
||||
|
||||
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)
|
||||
project_net = db.network_get_by_bridge(context.get_admin_context(),
|
||||
FLAGS.flat_network_bridge)
|
||||
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))
|
||||
@@ -34,10 +34,10 @@ FLAGS = flags.FLAGS
|
||||
LOG = logging.getLogger('nova.tests.network')
|
||||
|
||||
|
||||
class NetworkTestCase(test.TestCase):
|
||||
class VlanNetworkTestCase(test.TestCase):
|
||||
"""Test cases for network code"""
|
||||
def setUp(self):
|
||||
super(NetworkTestCase, self).setUp()
|
||||
super(VlanNetworkTestCase, 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',
|
||||
@@ -69,7 +69,11 @@ class NetworkTestCase(test.TestCase):
|
||||
for project in self.projects:
|
||||
self.manager.delete_project(project)
|
||||
self.manager.delete_user(self.user)
|
||||
super(NetworkTestCase, self).tearDown()
|
||||
super(VlanNetworkTestCase, self).tearDown()
|
||||
|
||||
def run(self, result=None):
|
||||
if(FLAGS.network_manager == 'nova.network.manager.VlanManager'):
|
||||
super(VlanNetworkTestCase, self).run(result)
|
||||
|
||||
def _create_instance(self, project_num, mac=None):
|
||||
if not mac:
|
||||
Reference in New Issue
Block a user