ec2-api/ec2api/tests/unit/test_vpc.py

396 lines
17 KiB
Python

# Copyright 2014
# The Cloudscaling Group, Inc.
#
# 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 copy
from unittest import mock
import fixtures
from neutronclient.common import exceptions as neutron_exception
from ec2api.api import vpc as vpc_api
from ec2api.tests.unit import base
from ec2api.tests.unit import fakes
from ec2api.tests.unit import matchers
from ec2api.tests.unit import tools
class VpcTestCase(base.ApiTestCase):
@mock.patch('ec2api.api.vpc._create_vpc')
def test_create_vpc(self, create_vpc):
create_vpc.return_value = fakes.DB_VPC_1
def check_response(response):
self.assertIn('vpc', response)
vpc = resp['vpc']
self.assertThat(fakes.EC2_VPC_1, matchers.DictMatches(vpc))
create_vpc.assert_called_once_with(mock.ANY, fakes.CIDR_VPC_1)
create_vpc.reset_mock()
resp = self.execute('CreateVpc', {'CidrBlock': fakes.CIDR_VPC_1})
check_response(resp)
resp = self.execute('CreateVpc', {'CidrBlock': fakes.CIDR_VPC_1,
'instanceTenancy': 'default'})
check_response(resp)
def test_create_vpc_invalid_cidr(self):
self.neutron.create_router.side_effect = (
tools.get_neutron_create('router', fakes.ID_OS_ROUTER_1))
self.db_api.add_item.side_effect = tools.get_db_api_add_item(
fakes.ID_EC2_VPC_1)
def do_check(args, error_code):
self.assert_execution_error(error_code, 'CreateVpc', args)
self.assertEqual(0, self.neutron.create_router.call_count)
self.neutron.reset_mock()
self.db_api.reset_mock()
do_check({'CidrBlock': 'bad_cidr'}, 'InvalidParameterValue')
do_check({'CidrBlock': '10.0.0.0/8'}, 'InvalidVpc.Range')
def test_create_vpc_overlimit(self):
self.neutron.create_router.side_effect = (
neutron_exception.OverQuotaClient)
self.db_api.add_item.side_effect = tools.get_db_api_add_item(
fakes.ID_EC2_VPC_1)
self.assert_execution_error('VpcLimitExceeded', 'CreateVpc',
{'CidrBlock': fakes.CIDR_VPC_1})
self.neutron.create_router.assert_called_with({'router': {}})
self.assertEqual(0, self.db_api.add_item.call_count)
def test_delete_vpc(self):
self.set_mock_db_items(fakes.DB_VPC_1, fakes.DB_ROUTE_TABLE_1,
fakes.DB_SECURITY_GROUP_1)
resp = self.execute('DeleteVpc', {'VpcId': fakes.ID_EC2_VPC_1})
self.assertEqual(True, resp['return'])
self.neutron.delete_router.assert_called_once_with(
fakes.ID_OS_ROUTER_1)
self.db_api.delete_item.assert_any_call(
mock.ANY,
fakes.ID_EC2_VPC_1)
self.db_api.delete_item.assert_any_call(
mock.ANY,
fakes.ID_EC2_ROUTE_TABLE_1)
self.db_api.delete_item.assert_any_call(
mock.ANY,
fakes.ID_EC2_SECURITY_GROUP_1)
def test_delete_vpc_not_found(self):
self.set_mock_db_items()
self.assert_execution_error('InvalidVpcID.NotFound', 'DeleteVpc',
{'VpcId': fakes.ID_EC2_VPC_1})
self.assertEqual(0, self.neutron.delete_router.call_count)
self.assertEqual(0, self.db_api.delete_item.call_count)
def test_delete_vpc_dependency_violation(self):
def do_check():
self.assert_execution_error('DependencyViolation', 'DeleteVpc',
{'VpcId': fakes.ID_EC2_VPC_1})
self.assertEqual(0, self.neutron.delete_router.call_count)
self.assertEqual(0, self.db_api.delete_item.call_count)
self.neutron.reset_mock()
self.db_api.reset_mock()
self.neutron.list_security_groups.return_value = (
{'security_groups': [copy.deepcopy(fakes.OS_SECURITY_GROUP_1)]})
self.set_mock_db_items(fakes.DB_SECURITY_GROUP_1,
fakes.DB_IGW_1, fakes.DB_VPC_1, )
do_check()
self.neutron.list_security_groups.return_value = (
{'security_groups': [copy.deepcopy(fakes.OS_SECURITY_GROUP_1)]})
self.set_mock_db_items(fakes.DB_SECURITY_GROUP_1,
fakes.DB_ROUTE_TABLE_1, fakes.DB_ROUTE_TABLE_2,
fakes.DB_VPC_1)
do_check()
self.set_mock_db_items(fakes.DB_SECURITY_GROUP_1,
fakes.DB_SECURITY_GROUP_2, fakes.DB_VPC_1)
self.neutron.list_security_groups.return_value = (
{'security_groups': [copy.deepcopy(fakes.OS_SECURITY_GROUP_1),
fakes.OS_SECURITY_GROUP_2]})
do_check()
self.neutron.list_security_groups.return_value = (
{'security_groups': [copy.deepcopy(fakes.OS_SECURITY_GROUP_1)]})
self.set_mock_db_items(fakes.DB_SECURITY_GROUP_1,
fakes.DB_VPN_GATEWAY_1, fakes.DB_VPC_1, )
do_check()
def test_delete_vpc_not_conststent_os_vpc(self):
self.set_mock_db_items(fakes.DB_VPC_1, fakes.DB_ROUTE_TABLE_1)
def check_response(resp):
self.assertEqual(True, resp['return'])
self.neutron.delete_router.assert_called_once_with(
fakes.ID_OS_ROUTER_1)
self.db_api.delete_item.assert_any_call(
mock.ANY,
fakes.ID_EC2_VPC_1)
self.db_api.delete_item.assert_any_call(
mock.ANY,
fakes.ID_EC2_ROUTE_TABLE_1)
self.neutron.reset_mock()
self.db_api.reset_mock()
self.neutron.delete_router.side_effect = neutron_exception.NotFound
resp = self.execute('DeleteVpc', {'VpcId': fakes.ID_EC2_VPC_1})
check_response(resp)
self.neutron.delete_router.side_effect = neutron_exception.Conflict
resp = self.execute('DeleteVpc', {'VpcId': fakes.ID_EC2_VPC_1})
check_response(resp)
@tools.screen_unexpected_exception_logs
def test_delete_vpc_rollback(self):
self.set_mock_db_items(fakes.DB_VPC_1, fakes.DB_ROUTE_TABLE_1)
self.neutron.delete_router.side_effect = Exception()
self.assert_execution_error(self.ANY_EXECUTE_ERROR, 'DeleteVpc',
{'VpcId': fakes.ID_EC2_VPC_1})
self.db_api.restore_item.assert_any_call(
mock.ANY, 'vpc', fakes.DB_VPC_1)
self.db_api.restore_item.assert_any_call(
mock.ANY, 'rtb', fakes.DB_ROUTE_TABLE_1)
def test_describe_vpcs(self):
self.neutron.list_routers.return_value = (
{'routers': [fakes.OS_ROUTER_DEFAULT,
fakes.OS_ROUTER_1, fakes.OS_ROUTER_2]})
self.set_mock_db_items(fakes.DB_VPC_DEFAULT,
fakes.DB_VPC_1, fakes.DB_VPC_2)
resp = self.execute('DescribeVpcs', {})
self.assertThat(resp['vpcSet'],
matchers.ListMatches([fakes.EC2_VPC_DEFAULT,
fakes.EC2_VPC_1,
fakes.EC2_VPC_2]))
resp = self.execute('DescribeVpcs',
{'VpcId.1': fakes.ID_EC2_VPC_1})
self.assertThat(resp['vpcSet'],
matchers.ListMatches([fakes.EC2_VPC_1]))
self.db_api.get_items_by_ids.assert_called_once_with(
mock.ANY, set([fakes.ID_EC2_VPC_1]))
self.check_filtering(
'DescribeVpcs', 'vpcSet',
[('cidr', fakes.CIDR_VPC_1),
('dhcp-options-id', 'default'),
('is-default', False),
('state', 'available'),
('vpc-id', fakes.ID_EC2_VPC_1)])
self.check_tag_support(
'DescribeVpcs', 'vpcSet',
fakes.ID_EC2_VPC_1, 'vpcId')
def test_describe_vpcs_no_router(self):
self.neutron.list_routers.return_value = {'routers': []}
self.set_mock_db_items(fakes.DB_VPC_DEFAULT, fakes.DB_VPC_1)
resp = self.execute('DescribeVpcs', {})
self.assertThat(resp['vpcSet'],
matchers.ListMatches([fakes.EC2_VPC_DEFAULT,
fakes.EC2_VPC_1]))
@mock.patch('ec2api.api.vpc._check_and_create_default_vpc')
def test_describe_vpcs_no_default_vpc(self, check_and_create):
def mock_check_and_create(context):
self.set_mock_db_items(fakes.DB_VPC_DEFAULT)
check_and_create.side_effect = mock_check_and_create
resp = self.execute('DescribeVpcs', {})
self.assertEqual(resp['vpcSet'], [fakes.EC2_VPC_DEFAULT])
check_and_create.assert_called_once_with(mock.ANY)
def test_describe_vpcs_with_default_vpc(self):
self.set_mock_db_items(fakes.DB_VPC_DEFAULT)
resp = self.execute('DescribeVpcs', {})
self.assertEqual(resp['vpcSet'], [fakes.EC2_VPC_DEFAULT])
self.db_api.add_item.assert_not_called()
class VpcPrivateTestCase(base.BaseTestCase):
def setUp(self):
super(VpcPrivateTestCase, self).setUp()
self.context = base.create_context()
self.nova, self.nova_admin = self.mock_nova()
self.neutron = self.mock_neutron()
self.db_api = self.mock_db()
@mock.patch('ec2api.api.route_table.create_route')
@mock.patch('ec2api.api.subnet.create_subnet')
@mock.patch('ec2api.api.internet_gateway.attach_internet_gateway')
@mock.patch('ec2api.api.internet_gateway.create_internet_gateway')
@mock.patch('ec2api.api.security_group._create_default_security_group')
@mock.patch('ec2api.api.route_table._create_route_table')
def test_create_vpc(self, create_route_table,
create_default_security_group,
create_internet_gateway, attach_internet_gateway,
create_subnet, create_route):
def _prepare_and_check(vpc=None, ec2_vpc=None,
route_table=None):
self.neutron.create_router.side_effect = (
tools.get_neutron_create('router', vpc['os_id']))
self.db_api.add_item.side_effect = (
tools.get_db_api_add_item({'vpc': vpc['id']}))
self.db_api.set_mock_items(vpc)
create_route_table.return_value = route_table
resp = vpc_api._create_vpc(self.context, vpc['cidr_block'],
vpc['is_default'])
# Check creation of vpc
self.neutron.create_router.assert_called_with({'router': {}})
self.neutron.update_router.assert_called_once_with(
vpc['os_id'],
{'router': {'name': ec2_vpc['vpcId']}})
self.db_api.add_item.assert_called_once_with(
mock.ANY, 'vpc', tools.purge_dict(
vpc, ('id', 'vpc_id', 'route_table_id')))
self.db_api.update_item.assert_called_once_with(
mock.ANY, vpc)
create_route_table.assert_called_once_with(
mock.ANY, vpc)
create_default_security_group.assert_called_once_with(
mock.ANY, vpc)
_prepare_and_check(vpc=fakes.DB_VPC_1, ec2_vpc=fakes.EC2_VPC_1,
route_table=fakes.DB_ROUTE_TABLE_1)
# checking that no default vpc related stuff is added
create_internet_gateway.assert_not_called()
attach_internet_gateway.assert_not_called()
create_subnet.assert_not_called()
create_route.assert_not_called()
self.neutron.reset_mock()
self.db_api.reset_mock()
create_route_table.reset_mock()
create_default_security_group.reset_mock()
# Creation of default vpc
create_route_table.return_value = fakes.DB_ROUTE_TABLE_DEFAULT
create_subnet.return_value = {'subnet': fakes.EC2_SUBNET_DEFAULT}
create_internet_gateway.return_value = {'internetGateway':
fakes.EC2_IGW_DEFAULT}
_prepare_and_check(vpc=fakes.DB_VPC_DEFAULT,
ec2_vpc=fakes.EC2_VPC_DEFAULT,
route_table=fakes.DB_ROUTE_TABLE_DEFAULT)
create_internet_gateway.assert_called_once_with(mock.ANY)
attach_internet_gateway.assert_called_once_with(mock.ANY,
fakes.ID_EC2_IGW_DEFAULT,
fakes.ID_EC2_VPC_DEFAULT)
create_subnet.assert_called_once_with(mock.ANY,
fakes.ID_EC2_VPC_DEFAULT,
fakes.CIDR_SUBNET_DEFAULT)
create_route.assert_called_once_with(mock.ANY,
fakes.ID_EC2_ROUTE_TABLE_DEFAULT,
'0.0.0.0/0', gateway_id=fakes.ID_EC2_IGW_DEFAULT)
@mock.patch('ec2api.api.vpc._create_vpc')
def test_check_and_create_default_vpc(self, create_vpc):
self.configure(disable_ec2_classic=True)
vpc_api._check_and_create_default_vpc(self.context)
create_vpc.assert_called_once_with(mock.ANY, fakes.CIDR_VPC_DEFAULT,
is_default=True)
@tools.screen_logs('ec2api.api.vpc')
@mock.patch('ec2api.api.internet_gateway.detach_internet_gateway')
@mock.patch('ec2api.api.route_table.create_route')
@mock.patch('ec2api.api.subnet.create_subnet')
@mock.patch('ec2api.api.internet_gateway.attach_internet_gateway')
@mock.patch('ec2api.api.internet_gateway.create_internet_gateway')
@mock.patch('ec2api.api.security_group._create_default_security_group')
@mock.patch('ec2api.api.route_table._create_route_table')
def test_create_vpc_rollback(self, create_route_table,
create_default_security_group,
create_internet_gateway,
attach_internet_gateway, create_subnet,
create_route, detach_internet_gateway):
self.configure(disable_ec2_classic=True)
self.neutron.create_router.side_effect = (
tools.get_neutron_create('router', fakes.ID_OS_ROUTER_DEFAULT))
self.db_api.add_item.side_effect = (
tools.get_db_api_add_item({'vpc': fakes.ID_EC2_VPC_DEFAULT}))
DB_IGW_DEFAULT_DETACHED = (
{'id': fakes.ID_EC2_IGW_DEFAULT,
'os_id': None,
'vpc_id': None})
self.db_api.get_item_by_id.side_effect = (
tools.get_db_api_get_item_by_id(fakes.DB_VPC_DEFAULT,
fakes.DB_SUBNET_DEFAULT,
fakes.DB_SECURITY_GROUP_DEFAULT,
DB_IGW_DEFAULT_DETACHED))
create_route_table.return_value = fakes.DB_ROUTE_TABLE_DEFAULT
create_internet_gateway.return_value = {'internetGateway':
fakes.EC2_IGW_DEFAULT}
create_subnet.return_value = {'subnet': fakes.EC2_SUBNET_DEFAULT}
create_default_security_group.return_value = (
fakes.ID_EC2_SECURITY_GROUP_DEFAULT)
# exception during attaching internet gateway
create_route.side_effect = Exception()
vpc_api._check_and_create_default_vpc(self.context)
detach_internet_gateway.assert_any_call(mock.ANY,
fakes.ID_EC2_IGW_DEFAULT,
fakes.ID_EC2_VPC_DEFAULT)
self.db_api.delete_item.assert_any_call(mock.ANY,
fakes.ID_EC2_SUBNET_DEFAULT)
self.db_api.delete_item.assert_any_call(mock.ANY,
fakes.ID_EC2_IGW_DEFAULT)
self.neutron.delete_security_group.assert_any_call(
fakes.ID_OS_SECURITY_GROUP_DEFAULT)
self.db_api.delete_item.assert_any_call(mock.ANY,
fakes.ID_EC2_ROUTE_TABLE_DEFAULT)
self.db_api.delete_item.assert_any_call(mock.ANY,
fakes.ID_EC2_VPC_DEFAULT)
self.neutron.delete_router.assert_called_once_with(
fakes.ID_OS_ROUTER_DEFAULT)
@mock.patch('ec2api.api.vpc._create_vpc')
def test_check_and_create_default_vpc_failed(self, create_vpc):
self.configure(disable_ec2_classic=True)
create_vpc.side_effect = Exception()
with fixtures.LoggerFixture(
format='[%(levelname)s] %(message)s') as log:
vpc_api._check_and_create_default_vpc(self.context)
self.assertTrue(log.output.startswith(
'[ERROR] Failed to create default vpc'))