nova/nova/tests/unit/virt/zvm/test_utils.py

138 lines
6.2 KiB
Python

# Copyright 2017,2018 IBM Corp.
#
# 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 mock
from zvmconnector import connector
from nova import context
from nova import exception
from nova import test
from nova.tests.unit import fake_instance
from nova.virt.zvm import utils as zvmutils
class TestZVMUtils(test.NoDBTestCase):
def setUp(self):
super(TestZVMUtils, self).setUp()
self.flags(cloud_connector_url='http://127.0.0.1', group='zvm')
self._url = 'http://127.0.0.1'
def test_connector_request_handler_invalid_url(self):
rh = zvmutils.ConnectorClient('http://invalid')
self.assertRaises(exception.ZVMDriverException, rh.call, 'guest_list')
@mock.patch('zvmconnector.connector.ZVMConnector.__init__',
return_value=None)
def test_connector_request_handler_https(self, mock_init):
rh = zvmutils.ConnectorClient('https://127.0.0.1:80',
ca_file='/tmp/file')
mock_init.assert_called_once_with('127.0.0.1', 80, ssl_enabled=True,
verify='/tmp/file')
self.assertIsInstance(rh._conn, connector.ZVMConnector)
@mock.patch('zvmconnector.connector.ZVMConnector.__init__',
return_value=None)
def test_connector_request_handler_https_noca(self, mock_init):
rh = zvmutils.ConnectorClient('https://127.0.0.1:80')
mock_init.assert_called_once_with('127.0.0.1', 80, ssl_enabled=True,
verify=False)
self.assertIsInstance(rh._conn, connector.ZVMConnector)
@mock.patch('zvmconnector.connector.ZVMConnector.__init__',
return_value=None)
def test_connector_request_handler_http(self, mock_init):
rh = zvmutils.ConnectorClient('http://127.0.0.1:80')
mock_init.assert_called_once_with('127.0.0.1', 80, ssl_enabled=False,
verify=False)
self.assertIsInstance(rh._conn, connector.ZVMConnector)
@mock.patch('zvmconnector.connector.ZVMConnector.send_request')
def test_connector_request_handler(self, mock_send):
mock_send.return_value = {'overallRC': 0, 'output': 'data',
'rc': 0, 'rs': 0}
rh = zvmutils.ConnectorClient(self._url)
res = rh.call('guest_list')
self.assertEqual('data', res)
@mock.patch('zvmconnector.connector.ZVMConnector.send_request')
def test_connector_request_handler_error(self, mock_send):
expected = {'overallRC': 1, 'errmsg': 'err', 'rc': 0, 'rs': 0}
mock_send.return_value = expected
rh = zvmutils.ConnectorClient(self._url)
exc = self.assertRaises(exception.ZVMConnectorError, rh.call,
'guest_list')
self.assertIn('zVM Cloud Connector request failed',
exc.format_message())
self.assertEqual(expected['overallRC'], exc.overallRC)
self.assertEqual(expected['rc'], exc.rc)
self.assertEqual(expected['rs'], exc.rs)
self.assertEqual(expected['errmsg'], exc.errmsg)
@mock.patch('nova.virt.configdrive.required_by')
@mock.patch('nova.virt.zvm.utils._create_config_drive')
@mock.patch('nova.virt.zvm.utils._get_instance_path')
def test_generate_configdrive(self, get, create, required):
get.return_value = '/test/tmp/fake_uuid'
create.return_value = '/test/cfgdrive.tgz'
required.return_value = True
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = fake_instance.fake_instance_obj(ctxt)
file = zvmutils.generate_configdrive('context', instance,
'injected_files',
'network_info',
'admin_password')
required.assert_called_once_with(instance)
create.assert_called_once_with('context', '/test/tmp/fake_uuid',
instance, 'injected_files',
'network_info', 'admin_password')
self.assertEqual('/test/cfgdrive.tgz', file)
@mock.patch('nova.api.metadata.base.InstanceMetadata')
@mock.patch('nova.virt.configdrive.ConfigDriveBuilder.make_drive')
def test_create_config_drive(self, make_drive, mock_instance_metadata):
class FakeInstanceMetadata(object):
def __init__(self):
self.network_metadata = None
def metadata_for_config_drive(self):
return []
mock_instance_metadata.return_value = FakeInstanceMetadata()
self.flags(config_drive_format='iso9660')
extra_md = {'admin_pass': 'admin_password'}
zvmutils._create_config_drive('context', '/instance_path',
'instance', 'injected_files',
'network_info', 'admin_password')
mock_instance_metadata.assert_called_once_with('instance',
content='injected_files',
extra_md=extra_md,
network_info='network_info',
request_context='context')
make_drive.assert_called_once_with('/instance_path/cfgdrive.iso')
def test_create_config_drive_invalid_format(self):
self.flags(config_drive_format='vfat')
self.assertRaises(exception.ConfigDriveUnsupportedFormat,
zvmutils._create_config_drive, 'context',
'/instance_path', 'instance', 'injected_files',
'network_info', 'admin_password')