250 lines
10 KiB
Python
250 lines
10 KiB
Python
# Copyright 2016 Cloudbase Solutions Srl
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from nova import exception
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from compute_hyperv.nova import constants
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from compute_hyperv.nova import pathutils
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from compute_hyperv.nova import serialconsolehandler
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from compute_hyperv.nova import serialproxy
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from compute_hyperv.tests.unit import test_base
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class SerialConsoleHandlerTestCase(test_base.HyperVBaseTestCase):
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@mock.patch.object(pathutils.PathUtils, 'get_vm_console_log_paths')
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def setUp(self, mock_get_log_paths):
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super(SerialConsoleHandlerTestCase, self).setUp()
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mock_get_log_paths.return_value = [mock.sentinel.log_path]
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self._consolehandler = serialconsolehandler.SerialConsoleHandler(
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mock.sentinel.instance_name)
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self._consolehandler._log_path = mock.sentinel.log_path
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self._consolehandler._pathutils = mock.Mock()
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self._consolehandler._vmutils = mock.Mock()
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@mock.patch.object(serialconsolehandler.SerialConsoleHandler,
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'_setup_handlers')
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def test_start(self, mock_setup_handlers):
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mock_workers = [mock.Mock(), mock.Mock()]
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self._consolehandler._workers = mock_workers
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self._consolehandler.start()
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mock_setup_handlers.assert_called_once_with()
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for worker in mock_workers:
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worker.start.assert_called_once_with()
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@mock.patch('nova.console.serial.release_port')
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def test_stop(self, mock_release_port):
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mock_serial_proxy = mock.Mock()
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mock_workers = [mock_serial_proxy, mock.Mock()]
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self._consolehandler._serial_proxy = mock_serial_proxy
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self._consolehandler._listen_host = mock.sentinel.host
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self._consolehandler._listen_port = mock.sentinel.port
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self._consolehandler._workers = mock_workers
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self._consolehandler.stop()
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mock_release_port.assert_called_once_with(mock.sentinel.host,
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mock.sentinel.port)
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for worker in mock_workers:
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worker.stop.assert_called_once_with()
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@mock.patch.object(serialconsolehandler.SerialConsoleHandler,
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'_setup_named_pipe_handlers')
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@mock.patch.object(serialconsolehandler.SerialConsoleHandler,
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'_setup_serial_proxy_handler')
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def _test_setup_handlers(self, mock_setup_proxy, mock_setup_pipe_handlers,
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serial_console_enabled=True):
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self.flags(enabled=serial_console_enabled, group='serial_console')
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self._consolehandler._setup_handlers()
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self.assertEqual(serial_console_enabled, mock_setup_proxy.called)
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mock_setup_pipe_handlers.assert_called_once_with()
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def test_setup_handlers(self):
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self._test_setup_handlers()
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def test_setup_handlers_console_disabled(self):
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self._test_setup_handlers(serial_console_enabled=False)
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@mock.patch.object(serialproxy, 'SerialProxy')
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@mock.patch('nova.console.serial.acquire_port')
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@mock.patch.object(serialconsolehandler.threading, 'Event')
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@mock.patch.object(serialconsolehandler.ioutils, 'IOQueue')
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def test_setup_serial_proxy_handler(self, mock_io_queue, mock_event,
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mock_acquire_port,
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mock_serial_proxy_class):
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mock_input_queue = mock.sentinel.input_queue
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mock_output_queue = mock.sentinel.output_queue
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mock_client_connected = mock_event.return_value
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mock_io_queue.side_effect = [mock_input_queue, mock_output_queue]
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mock_serial_proxy = mock_serial_proxy_class.return_value
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mock_acquire_port.return_value = mock.sentinel.port
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self.flags(proxyclient_address='127.0.0.3',
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group='serial_console')
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self._consolehandler._setup_serial_proxy_handler()
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mock_serial_proxy_class.assert_called_once_with(
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mock.sentinel.instance_name,
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'127.0.0.3', mock.sentinel.port,
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mock_input_queue,
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mock_output_queue,
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mock_client_connected)
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self.assertIn(mock_serial_proxy, self._consolehandler._workers)
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@mock.patch.object(serialconsolehandler.SerialConsoleHandler,
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'_get_named_pipe_handler')
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@mock.patch.object(serialconsolehandler.SerialConsoleHandler,
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'_get_vm_serial_port_mapping')
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def _mock_setup_named_pipe_handlers(self, mock_get_port_mapping,
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mock_get_pipe_handler,
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serial_port_mapping=None):
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mock_get_port_mapping.return_value = serial_port_mapping
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self._consolehandler._setup_named_pipe_handlers()
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expected_workers = [mock_get_pipe_handler.return_value
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for port in serial_port_mapping]
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self.assertEqual(expected_workers, self._consolehandler._workers)
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return mock_get_pipe_handler
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def test_setup_ro_pipe_handler(self):
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serial_port_mapping = {
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constants.SERIAL_PORT_TYPE_RW: mock.sentinel.pipe_path
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}
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mock_get_handler = self._mock_setup_named_pipe_handlers(
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serial_port_mapping=serial_port_mapping)
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mock_get_handler.assert_called_once_with(
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mock.sentinel.pipe_path,
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pipe_type=constants.SERIAL_PORT_TYPE_RW,
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enable_logging=True)
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def test_setup_pipe_handlers(self):
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serial_port_mapping = {
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constants.SERIAL_PORT_TYPE_RO: mock.sentinel.ro_pipe_path,
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constants.SERIAL_PORT_TYPE_RW: mock.sentinel.rw_pipe_path
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}
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mock_get_handler = self._mock_setup_named_pipe_handlers(
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serial_port_mapping=serial_port_mapping)
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expected_calls = [mock.call(mock.sentinel.ro_pipe_path,
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pipe_type=constants.SERIAL_PORT_TYPE_RO,
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enable_logging=True),
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mock.call(mock.sentinel.rw_pipe_path,
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pipe_type=constants.SERIAL_PORT_TYPE_RW,
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enable_logging=False)]
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mock_get_handler.assert_has_calls(expected_calls, any_order=True)
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@mock.patch.object(serialconsolehandler.utilsfactory,
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'get_named_pipe_handler')
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def _test_get_named_pipe_handler(self, mock_get_pipe_handler,
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pipe_type=None, enable_logging=False):
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expected_args = {}
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if pipe_type == constants.SERIAL_PORT_TYPE_RW:
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self._consolehandler._input_queue = mock.sentinel.input_queue
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self._consolehandler._output_queue = mock.sentinel.output_queue
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self._consolehandler._client_connected = (
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mock.sentinel.connect_event)
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expected_args.update({
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'input_queue': mock.sentinel.input_queue,
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'output_queue': mock.sentinel.output_queue,
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'connect_event': mock.sentinel.connect_event})
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if enable_logging:
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expected_args['log_file'] = mock.sentinel.log_path
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ret_val = self._consolehandler._get_named_pipe_handler(
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mock.sentinel.pipe_path, pipe_type, enable_logging)
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self.assertEqual(mock_get_pipe_handler.return_value, ret_val)
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mock_get_pipe_handler.assert_called_once_with(
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mock.sentinel.pipe_path,
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**expected_args)
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def test_get_ro_named_pipe_handler(self):
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self._test_get_named_pipe_handler(
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pipe_type=constants.SERIAL_PORT_TYPE_RO,
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enable_logging=True)
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def test_get_rw_named_pipe_handler(self):
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self._test_get_named_pipe_handler(
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pipe_type=constants.SERIAL_PORT_TYPE_RW,
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enable_logging=False)
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def _mock_get_port_connections(self, port_connections):
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get_port_connections = (
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self._consolehandler._vmutils.get_vm_serial_port_connections)
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get_port_connections.return_value = port_connections
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def test_get_vm_serial_port_mapping_having_tagged_pipes(self):
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ro_pipe_path = 'fake_pipe_ro'
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rw_pipe_path = 'fake_pipe_rw'
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self._mock_get_port_connections([ro_pipe_path, rw_pipe_path])
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ret_val = self._consolehandler._get_vm_serial_port_mapping()
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expected_mapping = {
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constants.SERIAL_PORT_TYPE_RO: ro_pipe_path,
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constants.SERIAL_PORT_TYPE_RW: rw_pipe_path
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}
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self.assertEqual(expected_mapping, ret_val)
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def test_get_vm_serial_port_mapping_untagged_pipe(self):
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pipe_path = 'fake_pipe_path'
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self._mock_get_port_connections([pipe_path])
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ret_val = self._consolehandler._get_vm_serial_port_mapping()
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expected_mapping = {constants.SERIAL_PORT_TYPE_RW: pipe_path}
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self.assertEqual(expected_mapping, ret_val)
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def test_get_vm_serial_port_mapping_exception(self):
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self._mock_get_port_connections([])
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self.assertRaises(exception.NovaException,
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self._consolehandler._get_vm_serial_port_mapping)
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@mock.patch('nova.console.type.ConsoleSerial')
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def test_get_serial_console(self, mock_serial_console):
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self.flags(enabled=True, group='serial_console')
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self._consolehandler._listen_host = mock.sentinel.host
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self._consolehandler._listen_port = mock.sentinel.port
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ret_val = self._consolehandler.get_serial_console()
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self.assertEqual(mock_serial_console.return_value, ret_val)
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mock_serial_console.assert_called_once_with(
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host=mock.sentinel.host,
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port=mock.sentinel.port)
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def test_get_serial_console_disabled(self):
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self.flags(enabled=False, group='serial_console')
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self.assertRaises(exception.ConsoleTypeUnavailable,
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self._consolehandler.get_serial_console)
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