/usr/lib/python2.7/dist-packages/hyperv/tests/unit/neutron/test_security_groups_driver.py is in python-networking-hyperv 2.0.0-0ubuntu1.
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# 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 the Hyper-V Security Groups Driver.
"""
import mock
from os_win import exceptions
from os_win import utilsfactory
from oslo_config import cfg
from hyperv.neutron import security_groups_driver as sg_driver
from hyperv.tests import base
CONF = cfg.CONF
class SecurityGroupRuleTestHelper(base.BaseTestCase):
_FAKE_DIRECTION = 'egress'
_FAKE_ETHERTYPE = 'IPv4'
_FAKE_ETHERTYPE_IPV6 = 'IPv6'
_FAKE_PROTOCOL = 'tcp'
_FAKE_ACTION = sg_driver.ACL_PROP_MAP['action']['allow']
_FAKE_DEST_IP_PREFIX = '10.0.0.0/24'
_FAKE_SOURCE_IP_PREFIX = '10.0.1.0/24'
_FAKE_MEMBER_IP = '10.0.0.1'
_FAKE_IPV6_LEN128_IP = 'fddd:cafd:e664:0:f816:3eff:fe8d:59d2/128'
_FAKE_SG_ID = 'fake_sg_id'
_FAKE_PORT_MIN = 9001
_FAKE_PORT_MAX = 9011
def _create_security_rule(self):
return {
'direction': self._FAKE_DIRECTION,
'ethertype': self._FAKE_ETHERTYPE,
'protocol': self._FAKE_PROTOCOL,
'dest_ip_prefix': self._FAKE_DEST_IP_PREFIX,
'source_ip_prefix': self._FAKE_SOURCE_IP_PREFIX,
'port_range_min': self._FAKE_PORT_MIN,
'port_range_max': self._FAKE_PORT_MAX,
'security_group_id': self._FAKE_SG_ID
}
@classmethod
def _acl(self, key1, key2):
return sg_driver.ACL_PROP_MAP[key1][key2]
class TestHyperVSecurityGroupsDriver(SecurityGroupRuleTestHelper):
_FAKE_DEVICE = 'fake_device'
_FAKE_ID = 'fake_id'
_FAKE_PARAM_NAME = 'fake_param_name'
_FAKE_PARAM_VALUE = 'fake_param_value'
def setUp(self):
super(TestHyperVSecurityGroupsDriver, self).setUp()
utilsfactory_patcher = mock.patch.object(utilsfactory, '_get_class')
utilsfactory_patcher.start()
self.addCleanup(utilsfactory_patcher.stop)
self._driver = sg_driver.HyperVSecurityGroupsDriver()
self._driver._utils = mock.MagicMock()
self._driver._sg_gen = mock.MagicMock()
def test__select_sg_rules_for_port(self):
mock_port = self._get_port()
mock_port['fixed_ips'] = [mock.MagicMock()]
mock_port['security_groups'] = [self._FAKE_SG_ID]
fake_sg_template = self._create_security_rule()
fake_sg_template['direction'] = 'ingress'
self._driver._sg_rule_templates[self._FAKE_SG_ID] = [fake_sg_template]
# Test without remote_group_id
rule_list = self._driver._select_sg_rules_for_port(mock_port,
'ingress')
self.assertEqual(self._FAKE_SG_ID, rule_list[0]['security_group_id'])
# Test with remote_group_id
fake_sg_template['remote_group_id'] = self._FAKE_SG_ID
self._driver._sg_members[self._FAKE_SG_ID] = {self._FAKE_ETHERTYPE:
[self._FAKE_MEMBER_IP]}
rule_list = self._driver._select_sg_rules_for_port(mock_port,
'ingress')
self.assertEqual(self._FAKE_SG_ID, rule_list[0]['security_group_id'])
self.assertEqual('10.0.0.1/32', rule_list[0]['source_ip_prefix'])
# Test for fixed 'ip' existing in 'sg_members'
self._driver._sg_members[self._FAKE_SG_ID][self._FAKE_ETHERTYPE] = [
'10.0.0.2']
mock_port['fixed_ips'] = ['10.0.0.2']
rule_list = self._driver._select_sg_rules_for_port(mock_port,
'ingress')
self.assertEqual([], rule_list)
# Test for 'egress' direction
fake_sg_template['direction'] = 'egress'
fix_ip = [self._FAKE_MEMBER_IP, '10.0.0.2']
self._driver._sg_members[self._FAKE_SG_ID][self._FAKE_ETHERTYPE] = (
fix_ip)
rule_list = self._driver._select_sg_rules_for_port(mock_port,
'egress')
self.assertEqual('10.0.0.1/32', rule_list[0]['dest_ip_prefix'])
# Test for rules with a different direction
rule_list = self._driver._select_sg_rules_for_port(mock_port,
'ingress')
self.assertEqual([], rule_list)
def test_update_security_group_rules(self):
mock_rule = [self._create_security_rule()]
self._driver.update_security_group_rules(self._FAKE_ID, mock_rule)
self.assertEqual(mock_rule,
self._driver._sg_rule_templates[self._FAKE_ID])
def test_update_security_group_members(self):
mock_member = ['10.0.0.1/32']
self._driver.update_security_group_members(self._FAKE_ID, mock_member)
self.assertEqual(mock_member, self._driver._sg_members[self._FAKE_ID])
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_select_sg_rules_for_port')
def test__generate_rules(self, mock_select_sg_rules):
mock_rule = [self._create_security_rule()]
mock_port = self._get_port()
mock_select_sg_rules.return_value = mock_rule
ports = self._driver._generate_rules([mock_port])
# Expected result
mock_rule.append(mock_rule[0])
expected = {self._FAKE_ID: mock_rule}
self.assertEqual(expected, ports)
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_generate_rules')
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_create_port_rules')
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_add_sg_port_rules')
def test_prepare_port_filter(self, mock_add_rules, mock_create_rules,
mock_gen_rules):
mock_port = self._get_port()
mock_create_default = self._driver._sg_gen.create_default_sg_rules
fake_rule = self._create_security_rule()
self._driver._get_rule_remote_address = mock.MagicMock(
return_value=self._FAKE_SOURCE_IP_PREFIX)
mock_gen_rules.return_value = {mock_port['id']: [fake_rule]}
self._driver.prepare_port_filter(mock_port)
self.assertEqual(mock_port,
self._driver._security_ports[self._FAKE_DEVICE])
mock_gen_rules.assert_called_with([self._driver._security_ports
[self._FAKE_DEVICE]])
mock_add_rules.assert_called_once_with(
self._FAKE_ID, mock_create_default.return_value)
self._driver._create_port_rules.assert_called_with(
self._FAKE_ID, [fake_rule])
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_generate_rules')
def test_update_port_filter(self, mock_gen_rules):
mock_port = self._get_port()
new_mock_port = self._get_port()
new_mock_port['id'] += '2'
new_mock_port['security_group_rules'][0]['ethertype'] += "2"
fake_rule_new = self._create_security_rule()
self._driver._get_rule_remote_address = mock.MagicMock(
return_value=self._FAKE_SOURCE_IP_PREFIX)
mock_gen_rules.return_value = {new_mock_port['id']: [fake_rule_new]}
self._driver._security_ports[mock_port['device']] = mock_port
self._driver._sec_group_rules[new_mock_port['id']] = []
self._driver._create_port_rules = mock.MagicMock()
self._driver._remove_port_rules = mock.MagicMock()
self._driver.update_port_filter(new_mock_port)
self._driver._remove_port_rules.assert_called_once_with(
mock_port['id'], mock_port['security_group_rules'])
self._driver._create_port_rules.assert_called_once_with(
new_mock_port['id'], [new_mock_port['security_group_rules'][0],
fake_rule_new])
self.assertEqual(new_mock_port,
self._driver._security_ports[new_mock_port['device']])
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'prepare_port_filter')
def test_update_port_filter_new_port(self, mock_method):
mock_port = self._get_port()
new_mock_port = self._get_port()
new_mock_port['id'] += '2'
new_mock_port['device'] += '2'
new_mock_port['security_group_rules'][0]['ethertype'] += "2"
self._driver._security_ports[mock_port['device']] = mock_port
self._driver.update_port_filter(new_mock_port)
self.assertNotIn(new_mock_port['device'], self._driver._security_ports)
def test_remove_port_filter(self):
mock_port = self._get_port()
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = [mock_rule]
self._driver._security_ports[mock_port['device']] = mock_port
self._driver.remove_port_filter(mock_port)
self.assertNotIn(mock_port['device'], self._driver._security_ports)
self.assertNotIn(mock_port['id'], self._driver._sec_group_rules)
self._driver._utils.clear_port_sg_acls_cache(mock_port['id'])
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_add_sg_port_rules')
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_remove_sg_port_rules')
def test_create_port_rules(self, mock_remove, mock_add):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = [mock_rule]
self._driver._sg_gen.create_security_group_rules.return_value = [
mock_rule]
self._driver._sg_gen.compute_new_rules_add.return_value = (
[mock_rule, mock_rule], [mock_rule, mock_rule])
self._driver._create_port_rules(self._FAKE_ID, [mock_rule])
self._driver._sg_gen.compute_new_rules_add.assert_called_once_with(
[mock_rule], [mock_rule])
mock_remove.assert_called_once_with(self._FAKE_ID, [mock_rule])
mock_add.assert_called_once_with(self._FAKE_ID, [mock_rule])
@mock.patch.object(sg_driver.HyperVSecurityGroupsDriver,
'_remove_sg_port_rules')
def test_remove_port_rules(self, mock_remove):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = [mock_rule]
self._driver._sg_gen.create_security_group_rules.return_value = [
mock_rule]
self._driver._remove_port_rules(self._FAKE_ID, [mock_rule])
mock_remove.assert_called_once_with(self._FAKE_ID, [mock_rule])
def test_add_sg_port_rules_exception(self):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = []
self._driver._utils.create_security_rules.side_effect = (
exceptions.HyperVException(msg='Generated Exception for testing.'))
self.assertRaises(exceptions.HyperVException,
self._driver._add_sg_port_rules,
self._FAKE_ID, [mock_rule])
self.assertNotIn(mock_rule,
self._driver._sec_group_rules[self._FAKE_ID])
def test_add_sg_port_rules_port_not_found(self):
self._driver._sec_group_rules[self._FAKE_ID] = []
self._driver._utils.create_security_rules.side_effect = (
exceptions.NotFound(resource='port_id'))
self.assertRaises(exceptions.NotFound,
self._driver._add_sg_port_rules,
self._FAKE_ID, [mock.sentinel.rule])
self.assertNotIn(self._FAKE_ID, self._driver._sec_group_rules)
def test_add_sg_port_rules(self):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = []
self._driver._add_sg_port_rules(self._FAKE_ID, [mock_rule])
self._driver._utils.create_security_rules.assert_called_once_with(
self._FAKE_ID, [mock_rule])
self.assertIn(mock_rule, self._driver._sec_group_rules[self._FAKE_ID])
def test_add_sg_port_rules_empty(self):
self._driver._add_sg_port_rules(mock.sentinel.id, [])
self.assertFalse(self._driver._utils.create_security_rules.called)
def test_remove_sg_port_rules_exception(self):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = [mock_rule]
self._driver._utils.remove_security_rules.side_effect = (
exceptions.HyperVException(msg='Generated Exception for testing.'))
self.assertRaises(exceptions.HyperVException,
self._driver._remove_sg_port_rules,
self._FAKE_ID, [mock_rule])
self.assertIn(mock_rule, self._driver._sec_group_rules[self._FAKE_ID])
def test_remove_sg_port_rules_port_not_found(self):
self._driver._sec_group_rules[self._FAKE_ID] = []
self._driver._utils.remove_security_rules.side_effect = (
exceptions.NotFound(resource='port_id'))
self.assertRaises(exceptions.NotFound,
self._driver._remove_sg_port_rules,
self._FAKE_ID, [mock.sentinel.rule])
self.assertNotIn(self._FAKE_ID, self._driver._sec_group_rules)
def test_remove_sg_port_rules(self):
mock_rule = mock.MagicMock()
self._driver._sec_group_rules[self._FAKE_ID] = [mock_rule]
self._driver._remove_sg_port_rules(
self._FAKE_ID, [mock_rule, mock.sentinel.other_rule])
self._driver._utils.remove_security_rules.assert_called_once_with(
self._FAKE_ID, [mock_rule, mock.sentinel.other_rule])
self.assertNotIn(mock_rule,
self._driver._sec_group_rules[self._FAKE_ID])
def test_remove_sg_port_rules_empty(self):
self._driver._remove_sg_port_rules(mock.sentinel.id, [])
self.assertFalse(self._driver._utils.remove_security_rules.called)
def _get_port(self):
return {
'device': self._FAKE_DEVICE,
'id': self._FAKE_ID,
'security_group_rules': [mock.MagicMock()]
}
class SecurityGroupRuleR2BaseTestCase(SecurityGroupRuleTestHelper):
def _create_sg_rule(self, protocol=None, action=None, direction='egress'):
protocol = protocol or self._FAKE_PROTOCOL
action = action or self._FAKE_ACTION
remote_addr = (self._FAKE_DEST_IP_PREFIX if direction is 'egress' else
self._FAKE_SOURCE_IP_PREFIX)
return sg_driver.SecurityGroupRuleR2(
self._acl('direction', self._FAKE_DIRECTION),
'%s-%s' % (self._FAKE_PORT_MIN, self._FAKE_PORT_MAX),
protocol, remote_addr, action)
class SecurityGroupRuleGeneratorTestCase(SecurityGroupRuleR2BaseTestCase):
def setUp(self):
super(SecurityGroupRuleGeneratorTestCase, self).setUp()
self.sg_gen = sg_driver.SecurityGroupRuleGenerator()
@mock.patch.object(sg_driver.SecurityGroupRuleGenerator,
'create_security_group_rule')
def test_create_security_group_rules(self, mock_create_sec_group_rule):
sg_rule = self._create_sg_rule()
mock_create_sec_group_rule.return_value = [sg_rule]
expected = [sg_rule] * 2
rules = [self._create_security_rule()] * 2
actual = self.sg_gen.create_security_group_rules(rules)
self.assertEqual(expected, actual)
def test_convert_any_address_to_same_ingress(self):
rule = self._create_security_rule()
rule['direction'] = 'ingress'
actual = self.sg_gen._get_rule_remote_address(rule)
self.assertEqual(self._FAKE_SOURCE_IP_PREFIX, actual)
def test_convert_any_address_to_same_egress(self):
rule = self._create_security_rule()
rule['direction'] += '2'
actual = self.sg_gen._get_rule_remote_address(rule)
self.assertEqual(self._FAKE_DEST_IP_PREFIX, actual)
def test_convert_any_address_to_ipv4(self):
rule = self._create_security_rule()
del rule['dest_ip_prefix']
actual = self.sg_gen._get_rule_remote_address(rule)
self.assertEqual(self._acl('address_default', 'IPv4'), actual)
def test_convert_any_address_to_ipv6(self):
rule = self._create_security_rule()
del rule['dest_ip_prefix']
rule['ethertype'] = self._FAKE_ETHERTYPE_IPV6
actual = self.sg_gen._get_rule_remote_address(rule)
self.assertEqual(self._acl('address_default', 'IPv6'), actual)
class SecurityGroupRuleGeneratorR2TestCase(SecurityGroupRuleR2BaseTestCase):
def setUp(self):
super(SecurityGroupRuleGeneratorR2TestCase, self).setUp()
self.sg_gen = sg_driver.SecurityGroupRuleGeneratorR2()
def test_create_security_group_rule(self):
expected = [self._create_sg_rule()]
rule = self._create_security_rule()
actual = self.sg_gen.create_security_group_rule(rule)
self.assertEqual(expected, actual)
def test_create_security_group_rule_len128(self):
expected = [self._create_sg_rule()]
expected[0].RemoteIPAddress = self._FAKE_IPV6_LEN128_IP.split(
'/128', 1)[0]
rule = self._create_security_rule()
rule['dest_ip_prefix'] = self._FAKE_IPV6_LEN128_IP
actual = self.sg_gen.create_security_group_rule(rule)
self.assertEqual(expected, actual)
def test_create_security_group_rule_any(self):
sg_rule1 = self._create_sg_rule(self._acl('protocol', 'tcp'))
sg_rule2 = self._create_sg_rule(self._acl('protocol', 'udp'))
sg_rule3 = self._create_sg_rule(self._acl('protocol', 'icmp'))
sg_rule4 = self._create_sg_rule(self._acl('protocol', 'ipv6-icmp'))
rule = self._create_security_rule()
rule['protocol'] = sg_driver.ACL_PROP_MAP["default"]
actual = self.sg_gen.create_security_group_rule(rule)
expected = [sg_rule1, sg_rule2, sg_rule3, sg_rule4]
self.assertEqual(sorted(expected), sorted(actual))
def test_create_default_sg_rules(self):
actual = self.sg_gen.create_default_sg_rules()
self.assertEqual(16, len(actual))
def test_compute_new_rules_add(self):
new_rule = self._create_sg_rule()
old_rule = self._create_sg_rule()
old_rule.Direction = mock.sentinel.FAKE_DIRECTION
add_rules, remove_rules = self.sg_gen.compute_new_rules_add(
[old_rule], [new_rule, old_rule])
self.assertEqual([new_rule], add_rules)
def test_get_rule_port_range(self):
rule = self._create_security_rule()
expected = '%s-%s' % (self._FAKE_PORT_MIN, self._FAKE_PORT_MAX)
actual = self.sg_gen._get_rule_port_range(rule)
self.assertEqual(expected, actual)
def test_get_rule_port_range_default(self):
rule = self._create_security_rule()
del rule['port_range_min']
expected = sg_driver.ACL_PROP_MAP['default']
actual = self.sg_gen._get_rule_port_range(rule)
self.assertEqual(expected, actual)
def test_get_rule_protocol_icmp(self):
self._check_get_rule_protocol('icmp', self._acl('protocol', 'icmp'))
def test_get_rule_protocol_no_icmp(self):
self._check_get_rule_protocol('tcp', 'tcp')
def _check_get_rule_protocol(self, protocol, expected):
rule = self._create_security_rule()
rule['protocol'] = protocol
actual = self.sg_gen._get_rule_protocol(rule)
self.assertEqual(expected, actual)
class SecurityGroupRuleR2TestCase(SecurityGroupRuleR2BaseTestCase):
def test_sg_rule_to_dict(self):
expected = {'Direction': self._acl('direction', self._FAKE_DIRECTION),
'Action': self._FAKE_ACTION,
'Protocol': self._FAKE_PROTOCOL,
'LocalPort': '%s-%s' % (self._FAKE_PORT_MIN,
self._FAKE_PORT_MAX),
'RemoteIPAddress': self._FAKE_DEST_IP_PREFIX,
'Stateful': True,
'IdleSessionTimeout': 0}
sg_rule = self._create_sg_rule()
self.assertEqual(expected, sg_rule.to_dict())
def test_localport(self):
sg_rule = self._create_sg_rule()
expected = '%s-%s' % (self._FAKE_PORT_MIN, self._FAKE_PORT_MAX)
self.assertEqual(expected, sg_rule.LocalPort)
def test_localport_icmp(self):
sg_rule = self._create_sg_rule(self._acl('protocol', 'icmp'))
self.assertEqual('', sg_rule.LocalPort)
def test_stateful_icmp(self):
sg_rule = self._create_sg_rule(self._acl('protocol', 'icmp'))
self.assertFalse(sg_rule.Stateful)
def test_stateful_ipv6_icmp(self):
sg_rule = self._create_sg_rule(self._acl('protocol', 'ipv6-icmp'))
self.assertFalse(sg_rule.Stateful)
def test_stateful_deny(self):
sg_rule = self._create_sg_rule(action=self._acl('action', 'deny'))
self.assertFalse(sg_rule.Stateful)
def test_stateful_true(self):
sg_rule = self._create_sg_rule()
self.assertTrue(sg_rule.Stateful)
def test_rule_uniqueness(self):
sg_rule = self._create_sg_rule()
sg_rule2 = self._create_sg_rule(self._acl('protocol', 'icmp'))
self.assertEqual([sg_rule], list(set([sg_rule] * 2)))
self.assertEqual(sorted([sg_rule, sg_rule2]),
sorted(list(set([sg_rule, sg_rule2]))))
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