Neutron integration with OVN
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# Copyright 2018 Red Hat, Inc.
# 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.
import fixtures
from networking_ovn.common import constants
from networking_ovn.common import utils
from networking_ovn.tests import base
RESOLV_CONF_TEMPLATE = """# TEST TEST TEST
# Geneated by OVN test
nameserver 10.0.0.1
#nameserver 10.0.0.2
nameserver 10.0.0.3
nameserver foo 10.0.0.4
nameserver aef0::4
foo 10.0.0.5
"""
class TestUtils(base.TestCase):
def test_get_system_dns_resolvers(self):
tempdir = self.useFixture(fixtures.TempDir()).path
resolver_file_name = tempdir + '/resolv.conf'
tmp_resolv_file = open(resolver_file_name, 'w')
tmp_resolv_file.writelines(RESOLV_CONF_TEMPLATE)
tmp_resolv_file.close()
expected_dns_resolvers = ['10.0.0.1', '10.0.0.3']
observed_dns_resolvers = utils.get_system_dns_resolvers(
resolver_file=resolver_file_name)
self.assertEqual(expected_dns_resolvers, observed_dns_resolvers)
class TestGateWayChassisValidity(base.TestCase):
def setUp(self):
super(TestGateWayChassisValidity, self).setUp()
self.gw_chassis = ['host1', 'host2']
self.chassis_name = self.gw_chassis[0]
self.physnet = 'physical-nw-1'
self.chassis_physnets = {self.chassis_name: [self.physnet]}
def test_gateway_chassis_valid(self):
# Return False, since everything is valid
self.assertFalse(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_due_to_invalid_chassis_name(self):
# Return True since chassis is invalid
self.chassis_name = constants.OVN_GATEWAY_INVALID_CHASSIS
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_chassis_not_in_chassis_physnets(self):
# Return True since chassis is not in chassis_physnets
self.chassis_name = 'host-2'
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_undefined_physnet(self):
# Return True since physnet is not defined
self.chassis_name = 'host-1'
self.physnet = None
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_physnet_not_in_chassis_physnets(self):
# Return True since physnet is not in chassis_physnets
self.physnet = 'physical-nw-2'
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_gw_chassis_empty(self):
# Return False if gw_chassis is []
# This condition states that the chassis is valid, has valid
# physnets and there are no gw_chassis present in the system.
self.gw_chassis = []
self.assertFalse(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_chassis_not_in_gw_chassis_list(self):
# Return True since chassis_name not in gw_chassis
self.gw_chassis = ['host-2']
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets))