# Copyright 2015 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 types
from unittest import mock

from oslo_config import cfg
from testtools import matchers

from ironic.common import exception
from ironic.common import state_machine
from ironic.common import states
from ironic.conductor import cleaning
from ironic.conductor import servicing
from ironic.conductor import steps as conductor_steps
from ironic.conductor import task_manager
from ironic.conductor import utils as manager_utils
from ironic.drivers import base as drivers_base
from ironic.drivers.modules import agent
from ironic.drivers.modules import agent_base
from ironic.drivers.modules import agent_client
from ironic.drivers.modules import deploy_utils
from ironic.drivers.modules import fake
from ironic.drivers.modules import pxe
from ironic.drivers import utils as driver_utils
from ironic import objects
from ironic.tests.unit.db import base as db_base
from ironic.tests.unit.db import utils as db_utils
from ironic.tests.unit.objects import utils as object_utils

CONF = cfg.CONF

INSTANCE_INFO = db_utils.get_test_agent_instance_info()
DRIVER_INFO = db_utils.get_test_agent_driver_info()
DRIVER_INTERNAL_INFO = db_utils.get_test_agent_driver_internal_info()


class FakeAgentDeploy(agent_base.AgentBaseMixin,
                      agent_base.HeartbeatMixin,
                      agent_base.AgentOobStepsMixin,
                      fake.FakeDeploy):
    pass


class AgentDeployMixinBaseTest(db_base.DbTestCase):

    def setUp(self):
        super(AgentDeployMixinBaseTest, self).setUp()
        for iface in drivers_base.ALL_INTERFACES:
            impl = 'fake'
            if iface == 'deploy':
                impl = 'direct'
            if iface == 'boot':
                impl = 'pxe'
            if iface == 'rescue':
                impl = 'agent'
            if iface == 'network':
                continue
            config_kwarg = {'enabled_%s_interfaces' % iface: [impl],
                            'default_%s_interface' % iface: impl}
            self.config(**config_kwarg)
        self.config(enabled_hardware_types=['fake-hardware'])
        self.deploy = FakeAgentDeploy()
        n = {
            'driver': 'fake-hardware',
            'instance_info': INSTANCE_INFO,
            'driver_info': DRIVER_INFO,
            'driver_internal_info': DRIVER_INTERNAL_INFO,
            'network_interface': 'noop'
        }
        self.node = object_utils.create_test_node(self.context, **n)


class HeartbeatMixinTest(AgentDeployMixinBaseTest):

    def setUp(self):
        super(HeartbeatMixinTest, self).setUp()
        self.deploy = agent_base.HeartbeatMixin()

    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'process_next_step', autospec=True)
    def test_heartbeat_continue_deploy_first_run(self, next_step_mock,
                                                 refresh_steps_mock):
        self.node.provision_state = states.DEPLOYWAIT
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            self.deploy.heartbeat(task, 'url', '3.2.0')
            self.assertFalse(task.shared)
            self.assertEqual(
                'url', task.node.driver_internal_info['agent_url'])
            self.assertEqual(
                '3.2.0',
                task.node.driver_internal_info['agent_version'])
            refresh_steps_mock.assert_called_once_with(self.deploy,
                                                       task, 'deploy')
            next_step_mock.assert_called_once_with(self.deploy,
                                                   task, 'deploy')

    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'process_next_step', autospec=True)
    def test_heartbeat_continue_deploy_second_run(self, next_step_mock,
                                                  refresh_steps_mock):
        dii = self.node.driver_internal_info
        dii['agent_cached_deploy_steps'] = ['step']
        self.node.driver_internal_info = dii
        self.node.provision_state = states.DEPLOYWAIT
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            self.deploy.heartbeat(task, 'url', '3.2.0')
            self.assertFalse(task.shared)
            self.assertEqual(
                'url', task.node.driver_internal_info['agent_url'])
            self.assertEqual(
                '3.2.0',
                task.node.driver_internal_info['agent_version'])
            self.assertFalse(refresh_steps_mock.called)
            next_step_mock.assert_called_once_with(self.deploy,
                                                   task, 'deploy')

    @mock.patch.object(agent_base.HeartbeatMixin,
                       'process_next_step', autospec=True)
    def test_heartbeat_polling(self, next_step_mock):
        self.node.provision_state = states.DEPLOYWAIT
        info = self.node.driver_internal_info
        info['agent_cached_deploy_steps'] = ['step1']
        info['deployment_polling'] = True
        self.node.driver_internal_info = info
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            self.deploy.heartbeat(task, 'url', '3.2.0')
            self.assertFalse(task.shared)
            self.assertEqual(
                'url', task.node.driver_internal_info['agent_url'])
            self.assertEqual(
                '3.2.0',
                task.node.driver_internal_info['agent_version'])
            self.assertFalse(next_step_mock.called)

    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_in_maintenance(self, next_step_mock):
        # NOTE(pas-ha) checking only for states that are not noop
        for state in (states.DEPLOYWAIT, states.CLEANWAIT,
                      states.SERVICEWAIT):
            next_step_mock.reset_mock()
            self.node.provision_state = state
            self.node.maintenance = True
            self.node.save()
            agent_url = 'url-%s' % state
            with task_manager.acquire(self.context, self.node.uuid,
                                      shared=True) as task:
                self.deploy.heartbeat(task, agent_url, '3.2.0')
                self.assertFalse(task.shared)
                self.assertEqual(
                    agent_url,
                    task.node.driver_internal_info['agent_url'])
                self.assertEqual(
                    '3.2.0',
                    task.node.driver_internal_info['agent_version'])
                self.assertEqual(state, task.node.provision_state)
                self.assertIsNone(task.node.last_error)
            next_step_mock.assert_not_called()

    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_in_maintenance_abort(self, next_step_mock):
        CONF.set_override('allow_provisioning_in_maintenance', False,
                          group='conductor')
        for state, expected in [(states.DEPLOYWAIT, states.DEPLOYFAIL),
                                (states.CLEANWAIT, states.CLEANFAIL),
                                (states.RESCUEWAIT, states.RESCUEFAIL),
                                (states.SERVICEWAIT, states.SERVICEFAIL)]:
            next_step_mock.reset_mock()
            self.node.provision_state = state
            self.node.maintenance = True
            self.node.save()
            agent_url = 'url-%s' % state
            with task_manager.acquire(self.context, self.node.uuid,
                                      shared=True) as task:
                self.deploy.heartbeat(task, agent_url, '3.2.0')
                self.assertFalse(task.shared)
                self.assertIsNone(
                    task.node.driver_internal_info.get('agent_url', None))
                self.assertEqual(
                    '3.2.0',
                    task.node.driver_internal_info['agent_version'])
            self.node.refresh()
            self.assertEqual(expected, self.node.provision_state)
            self.assertIn('aborted', self.node.last_error)
            next_step_mock.assert_not_called()

    @mock.patch('time.sleep', lambda _t: None)
    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_with_reservation(self, next_step_mock):
        # NOTE(pas-ha) checking only for states that are not noop
        for state in (states.DEPLOYWAIT, states.CLEANWAIT,
                      states.SERVICEWAIT):
            next_step_mock.reset_mock()
            self.node.provision_state = state
            self.node.reservation = 'localhost'
            self.node.save()
            old_drv_info = self.node.driver_internal_info.copy()
            agent_url = 'url-%s' % state
            with task_manager.acquire(self.context, self.node.uuid,
                                      shared=True) as task:
                self.deploy.heartbeat(task, agent_url, '3.2.0')
                self.assertTrue(task.shared)
                self.assertEqual(old_drv_info, task.node.driver_internal_info)
                self.assertIsNone(task.node.last_error)
            next_step_mock.assert_not_called()

    @mock.patch.object(agent_base.LOG, 'error', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_noops_in_wrong_state(self, next_step_mock, log_mock):
        allowed = {states.DEPLOYWAIT, states.CLEANWAIT, states.RESCUEWAIT,
                   states.DEPLOYING, states.CLEANING, states.RESCUING,
                   states.DEPLOYHOLD, states.CLEANHOLD, states.SERVICEHOLD,
                   states.SERVICING, states.SERVICEWAIT}
        for state in set(state_machine.machine.states) - allowed:
            for m in (next_step_mock, log_mock):
                m.reset_mock()
            with task_manager.acquire(self.context, self.node.uuid,
                                      shared=True) as task:
                task.node.provision_state = state
                self.deploy.heartbeat(task, 'url', '1.0.0')
                self.assertTrue(task.shared)
                self.assertNotIn('agent_last_heartbeat',
                                 task.node.driver_internal_info)
            next_step_mock.assert_not_called()
            log_mock.assert_called_once_with(mock.ANY,
                                             {'node': self.node.uuid,
                                              'state': state})

    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_noops_in_wrong_state2(self, next_step_mock):
        CONF.set_override('allow_provisioning_in_maintenance', False,
                          group='conductor')
        allowed = {states.DEPLOYWAIT, states.CLEANWAIT,
                   states.SERVICEWAIT}
        for state in set(state_machine.machine.states) - allowed:
            next_step_mock.reset_mock()
            with task_manager.acquire(self.context, self.node.uuid,
                                      shared=True) as task:
                self.node.provision_state = state
                self.deploy.heartbeat(task, 'url', '1.0.0')
                self.assertTrue(task.shared)
            next_step_mock.assert_not_called()

    @mock.patch.object(deploy_utils, 'set_failed_state', autospec=True)
    @mock.patch.object(agent_base.LOG, 'exception', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_deploy_fails(self, next_step_mock, log_mock,
                                    failed_mock):
        next_step_mock.side_effect = Exception('LlamaException')
        with task_manager.acquire(
                self.context, self.node['uuid'], shared=False) as task:
            task.node.provision_state = states.DEPLOYWAIT
            task.node.target_provision_state = states.ACTIVE
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')
            failed_mock.assert_called_once_with(
                task, mock.ANY, collect_logs=True)
            log_mock.assert_called_once_with(
                'Asynchronous exception for node %(node)s: %(err)s',
                {'err': 'Failed to process the next deploy step: '
                 'LlamaException',
                 'node': task.node.uuid})

    @mock.patch.object(deploy_utils, 'set_failed_state', autospec=True)
    @mock.patch.object(agent_base.LOG, 'exception', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin, 'process_next_step',
                       autospec=True)
    def test_heartbeat_deploy_done_raises_with_event(self, next_step_mock,
                                                     log_mock, failed_mock):
        with task_manager.acquire(
                self.context, self.node['uuid'], shared=False) as task:

            def driver_failure(*args, **kwargs):
                # simulate driver failure that both advances the FSM
                # and raises an exception
                task.node.provision_state = states.DEPLOYFAIL
                raise Exception('LlamaException')

            task.node.provision_state = states.DEPLOYWAIT
            task.node.target_provision_state = states.ACTIVE
            next_step_mock.side_effect = driver_failure
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')
            # task.node.provision_state being set to DEPLOYFAIL
            # within the driver_failue, heartbeat should not call
            # deploy_utils.set_failed_state anymore
            self.assertFalse(failed_mock.called)
            log_mock.assert_called_once_with(
                'Asynchronous exception for node %(node)s: %(err)s',
                {'err': 'Failed to process the next deploy step: '
                 'LlamaException',
                 'node': task.node.uuid})

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(conductor_steps, 'set_node_cleaning_steps',
                       autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    def test_heartbeat_resume_clean(self, mock_clean, mock_set_steps,
                                    mock_refresh, mock_touch):
        self.node.clean_step = {}
        self.node.provision_state = states.CLEANWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        mock_refresh.assert_called_once_with(mock.ANY, task, 'clean')
        mock_clean.assert_called_once_with(task)
        mock_set_steps.assert_called_once_with(task, use_existing_steps=False)

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(conductor_steps, 'set_node_cleaning_steps',
                       autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    def test_heartbeat_resume_clean_declarative(self, mock_clean,
                                                mock_set_steps,
                                                mock_refresh, mock_touch):
        # Test declarative cleaning case where use_existing_steps=True
        self.node.clean_step = {}
        self.node.provision_state = states.CLEANWAIT
        info = self.node.driver_internal_info
        info['declarative_cleaning'] = True
        self.node.driver_internal_info = info
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        mock_refresh.assert_called_once_with(mock.ANY, task, 'clean')
        mock_clean.assert_called_once_with(task)
        mock_set_steps.assert_called_once_with(task, use_existing_steps=True)

    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(conductor_steps, 'set_node_cleaning_steps',
                       autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    def test_heartbeat_resume_clean_fails(self, mock_clean, mock_set_steps,
                                          mock_refresh, mock_touch,
                                          mock_handler):
        mocks = [mock_refresh, mock_set_steps, mock_clean]
        for i in range(len(mocks)):
            self.node.clean_step = {}
            self.node.provision_state = states.CLEANWAIT
            self.node.save()

            before_failed_mocks = mocks[:i]
            failed_mock = mocks[i]
            after_failed_mocks = mocks[i + 1:]
            failed_mock.side_effect = Exception()
            with task_manager.acquire(
                    self.context, self.node.uuid, shared=False) as task:
                self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

            mock_touch.assert_called_once_with(mock.ANY)
            mock_handler.assert_called_once_with(task, mock.ANY, mock.ANY)
            for called in before_failed_mocks + [failed_mock]:
                self.assertTrue(called.called)
            for not_called in after_failed_mocks:
                self.assertFalse(not_called.called)

            # Reset mocks for the next interaction
            for m in mocks + [mock_touch, mock_handler]:
                m.reset_mock()
            failed_mock.side_effect = None

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'continue_cleaning', autospec=True)
    def test_heartbeat_continue_cleaning(self, mock_continue, mock_touch):
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'foo',
            'reboot_requested': False
        }
        self.node.provision_state = states.CLEANWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        mock_continue.assert_called_once_with(mock.ANY, task)

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'continue_cleaning', autospec=True)
    def test_heartbeat_continue_cleaning_polling(self, mock_continue,
                                                 mock_touch):
        info = self.node.driver_internal_info
        info['cleaning_polling'] = True
        self.node.driver_internal_info = info
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'foo',
            'reboot_requested': False
        }
        self.node.provision_state = states.CLEANWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        self.assertFalse(mock_continue.called)

    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'continue_cleaning', autospec=True)
    def test_heartbeat_continue_cleaning_fails(self, mock_continue,
                                               mock_handler):
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'foo',
            'reboot_requested': False
        }

        mock_continue.side_effect = Exception()

        self.node.provision_state = states.CLEANWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_continue.assert_called_once_with(mock.ANY, task)
        mock_handler.assert_called_once_with(task, mock.ANY, mock.ANY)

    @mock.patch.object(manager_utils, 'rescuing_error_handler', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin, '_finalize_rescue',
                       autospec=True)
    def test_heartbeat_rescue(self, mock_finalize_rescue,
                              mock_rescue_err_handler):
        self.node.provision_state = states.RESCUEWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_finalize_rescue.assert_called_once_with(mock.ANY, task)
        self.assertFalse(mock_rescue_err_handler.called)

    @mock.patch.object(manager_utils, 'rescuing_error_handler', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin, '_finalize_rescue',
                       autospec=True)
    def test_heartbeat_rescue_fails(self, mock_finalize,
                                    mock_rescue_err_handler):
        self.node.provision_state = states.RESCUEWAIT
        self.node.save()
        mock_finalize.side_effect = Exception('some failure')
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_finalize.assert_called_once_with(mock.ANY, task)
        mock_rescue_err_handler.assert_called_once_with(
            task, 'Node failed to perform rescue operation: some failure')

    @mock.patch.object(agent_base.LOG, 'error', autospec=True)
    def test_heartbeat_records_when_appropriate(self, log_mock):
        for provision_state in (states.CLEANING, states.DEPLOYING,
                                states.CLEANHOLD, states.DEPLOYHOLD,
                                states.SERVICEHOLD, states.SERVICING):
            self.node.driver_internal_info = {}
            self.node.provision_state = provision_state
            self.node.save()
            with task_manager.acquire(
                    self.context, self.node.uuid, shared=False) as task:
                self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '3.2.0')
                self.assertEqual('http://127.0.0.1:8080',
                                 task.node.driver_internal_info['agent_url'])
                self.assertEqual('3.2.0',
                                 task.node.driver_internal_info[
                                     'agent_version'])
                self.assertIsNotNone(
                    task.node.driver_internal_info['agent_last_heartbeat'])
                self.assertEqual(provision_state, task.node.provision_state)
            self.assertFalse(log_mock.called)

    def test_heartbeat_records_fast_track(self):
        self.config(fast_track=True, group='deploy')
        for provision_state in [states.ENROLL, states.MANAGEABLE,
                                states.AVAILABLE]:
            self.node.driver_internal_info = {}
            self.node.provision_state = provision_state
            self.node.save()
            with task_manager.acquire(
                    self.context, self.node.uuid, shared=False) as task:
                self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '3.2.0')
                self.assertEqual('http://127.0.0.1:8080',
                                 task.node.driver_internal_info['agent_url'])
                self.assertEqual('3.2.0',
                                 task.node.driver_internal_info[
                                     'agent_version'])
                self.assertIsNotNone(
                    task.node.driver_internal_info['agent_last_heartbeat'])
                self.assertEqual(provision_state, task.node.provision_state)

    def test_heartbeat_records_fast_track_via_driver_info(self):
        for provision_state in [states.ENROLL, states.MANAGEABLE,
                                states.AVAILABLE]:
            self.node.driver_internal_info = {}
            self.node.driver_info = {'fast_track': True}
            self.node.provision_state = provision_state
            self.node.save()
            with task_manager.acquire(
                    self.context, self.node.uuid, shared=False) as task:
                self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '3.2.0')
                self.assertEqual('http://127.0.0.1:8080',
                                 task.node.driver_internal_info['agent_url'])
                self.assertEqual('3.2.0',
                                 task.node.driver_internal_info[
                                     'agent_version'])
                self.assertIsNotNone(
                    task.node.driver_internal_info['agent_last_heartbeat'])
                self.assertEqual(provision_state, task.node.provision_state)

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'refresh_steps', autospec=True)
    @mock.patch.object(conductor_steps, 'set_node_service_steps',
                       autospec=True)
    @mock.patch.object(servicing, 'continue_node_service', autospec=True)
    def test_heartbeat_resume_service(self, mock_service, mock_set_steps,
                                      mock_refresh, mock_touch):
        self.node.clean_step = {}
        self.node.provision_state = states.SERVICEWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        mock_refresh.assert_called_once_with(mock.ANY, task, 'service')
        mock_service.assert_called_once_with(task)
        mock_set_steps.assert_called_once_with(task)

    @mock.patch.object(objects.node.Node, 'touch_provisioning', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'continue_servicing', autospec=True)
    def test_heartbeat_continue_servicing(self, mock_continue, mock_touch):
        self.node.service_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'foo',
            'reboot_requested': False
        }
        self.node.provision_state = states.SERVICEWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_touch.assert_called_once_with(mock.ANY)
        mock_continue.assert_called_once_with(mock.ANY, task)

    @mock.patch.object(manager_utils, 'servicing_error_handler', autospec=True)
    @mock.patch.object(agent_base.HeartbeatMixin,
                       'continue_servicing', autospec=True)
    def test_heartbeat_continue_servicing_fails(self, mock_continue,
                                                mock_handler):
        self.node.service_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'foo',
            'reboot_requested': False
        }

        mock_continue.side_effect = Exception()

        self.node.provision_state = states.SERVICEWAIT
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.heartbeat(task, 'http://127.0.0.1:8080', '1.0.0')

        mock_continue.assert_called_once_with(mock.ANY, task)
        mock_handler.assert_called_once_with(task, mock.ANY, mock.ANY)


class AgentRescueTests(AgentDeployMixinBaseTest):

    def setUp(self):
        super(AgentRescueTests, self).setUp()

    @mock.patch.object(agent.AgentRescue, 'clean_up',
                       spec_set=True, autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'finalize_rescue',
                       spec=types.FunctionType)
    def test__finalize_rescue(self, mock_finalize_rescue,
                              mock_clean_up):
        node = self.node
        node.provision_state = states.RESCUEWAIT
        node.save()
        mock_finalize_rescue.return_value = {'command_status': 'SUCCEEDED'}
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            task.driver.network.configure_tenant_networks = mock.Mock()
            task.process_event = mock.Mock()
            self.deploy._finalize_rescue(task)
            mock_finalize_rescue.assert_called_once_with(task.node)
            task.process_event.assert_has_calls([mock.call('resume'),
                                                 mock.call('done')])
            mock_clean_up.assert_called_once_with(mock.ANY, task)

    @mock.patch.object(agent_client.AgentClient, 'finalize_rescue',
                       spec=types.FunctionType)
    def test__finalize_rescue_bad_command_result(self, mock_finalize_rescue):
        node = self.node
        node.provision_state = states.RESCUEWAIT
        node.save()
        mock_finalize_rescue.return_value = {'command_status': 'FAILED',
                                             'command_error': 'bad'}
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.assertRaises(exception.InstanceRescueFailure,
                              self.deploy._finalize_rescue, task)
            mock_finalize_rescue.assert_called_once_with(task.node)

    @mock.patch.object(agent_client.AgentClient, 'finalize_rescue',
                       spec=types.FunctionType)
    def test__finalize_rescue_exc(self, mock_finalize_rescue):
        node = self.node
        node.provision_state = states.RESCUEWAIT
        node.save()
        mock_finalize_rescue.side_effect = exception.IronicException("No pass")
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.assertRaises(exception.InstanceRescueFailure,
                              self.deploy._finalize_rescue, task)
            mock_finalize_rescue.assert_called_once_with(task.node)

    @mock.patch.object(agent_client.AgentClient, 'finalize_rescue',
                       spec=types.FunctionType)
    def test__finalize_rescue_missing_command_result(self,
                                                     mock_finalize_rescue):
        node = self.node
        node.provision_state = states.RESCUEWAIT
        node.save()
        mock_finalize_rescue.return_value = {}
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.assertRaises(exception.InstanceRescueFailure,
                              self.deploy._finalize_rescue, task)
            mock_finalize_rescue.assert_called_once_with(task.node)

    @mock.patch.object(manager_utils, 'restore_power_state_if_needed',
                       autospec=True)
    @mock.patch.object(manager_utils, 'power_on_node_if_needed',
                       autospec=True)
    @mock.patch.object(agent.AgentRescue, 'clean_up',
                       spec_set=True, autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'finalize_rescue',
                       spec=types.FunctionType)
    def test__finalize_rescue_with_smartnic_port(
            self, mock_finalize_rescue, mock_clean_up,
            power_on_node_if_needed_mock, restore_power_state_mock):
        node = self.node
        node.provision_state = states.RESCUEWAIT
        node.save()
        mock_finalize_rescue.return_value = {'command_status': 'SUCCEEDED'}
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            task.driver.network.configure_tenant_networks = mock.Mock()
            task.process_event = mock.Mock()
            power_on_node_if_needed_mock.return_value = states.POWER_OFF
            self.deploy._finalize_rescue(task)
            mock_finalize_rescue.assert_called_once_with(task.node)
            task.process_event.assert_has_calls([mock.call('resume'),
                                                 mock.call('done')])
            mock_clean_up.assert_called_once_with(mock.ANY, task)
            power_on_node_if_needed_mock.assert_called_once_with(task)
            restore_power_state_mock.assert_called_once_with(
                task, states.POWER_OFF)


class BootInstanceTest(AgentDeployMixinBaseTest):

    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test_boot_instance(self, node_power_action_mock):
        self.node.provision_state = states.DEPLOYING
        self.node.target_provision_state = states.ACTIVE
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid) as task:
            self.deploy.boot_instance(task)
            node_power_action_mock.assert_called_once_with(task,
                                                           states.POWER_ON)

    @mock.patch.object(fake.FakePower, 'get_supported_power_states',
                       lambda self, task: [states.REBOOT])
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test_boot_instance_no_power_on(self, node_power_action_mock):
        self.node.provision_state = states.DEPLOYING
        self.node.target_provision_state = states.ACTIVE
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid) as task:
            self.deploy.boot_instance(task)
            self.assertFalse(node_power_action_mock.called)


class PostStepHooksTest(AgentDeployMixinBaseTest):

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot(self, mock_reboot, mock_prepare,
                               mock_build_opt):
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            i_info = task.node.driver_internal_info
            i_info['agent_secret_token'] = 'magicvalue01'
            task.node.driver_internal_info = i_info
            task.node.clean_step = {'step': 'test_step',
                                    'interface': 'test'}
            agent_base._post_step_reboot(task, 'clean')
            self.assertTrue(mock_build_opt.called)
            self.assertTrue(mock_prepare.called)
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            self.assertTrue(task.node.driver_internal_info['cleaning_reboot'])
            self.assertNotIn('agent_secret_token',
                             task.node.driver_internal_info)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot_deploy(self, mock_reboot, mock_prepare,
                                      mock_build_opt):
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            i_info = task.node.driver_internal_info
            i_info['agent_secret_token'] = 'magicvalue01'
            task.node.driver_internal_info = i_info
            task.node.deploy_step = {'step': 'test_step',
                                     'interface': 'test'}
            agent_base._post_step_reboot(task, 'deploy')
            self.assertTrue(mock_build_opt.called)
            self.assertTrue(mock_prepare.called)
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            self.assertTrue(
                task.node.driver_internal_info['deployment_reboot'])
            self.assertNotIn('agent_secret_token',
                             task.node.driver_internal_info)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot_pregenerated_token(
            self, mock_reboot, mock_prepare, mock_build_opt):
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            i_info = task.node.driver_internal_info
            i_info['agent_secret_token'] = 'magicvalue01'
            i_info['agent_secret_token_pregenerated'] = True
            task.node.driver_internal_info = i_info
            task.node.clean_step = {'step': 'test_step',
                                    'interface': 'test'}
            agent_base._post_step_reboot(task, 'clean')
            self.assertTrue(mock_build_opt.called)
            self.assertTrue(mock_prepare.called)
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            self.assertIn('agent_secret_token',
                          task.node.driver_internal_info)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot_fail(self, mock_reboot, mock_handler,
                                    mock_prepare, mock_build_opt):
        mock_reboot.side_effect = RuntimeError("broken")

        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            agent_base._post_step_reboot(task, 'clean')
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            mock_handler.assert_called_once_with(task, mock.ANY,
                                                 traceback=True)
            self.assertNotIn('cleaning_reboot',
                             task.node.driver_internal_info)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'deploying_error_handler', autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot_fail_deploy(self, mock_reboot, mock_handler,
                                           mock_prepare, mock_build_opt):
        mock_reboot.side_effect = RuntimeError("broken")

        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            agent_base._post_step_reboot(task, 'deploy')
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            mock_handler.assert_called_once_with(task, mock.ANY,
                                                 traceback=True)
            self.assertNotIn('deployment_reboot',
                             task.node.driver_internal_info)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'servicing_error_handler', autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    def test__post_step_reboot_fail_servicing(self, mock_reboot, mock_handler,
                                              mock_prepare, mock_build_opt):
        mock_reboot.side_effect = RuntimeError("broken")
        self.node.provision_state = states.SERVICEWAIT
        self.node.save()
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            agent_base._post_step_reboot(task, 'service')
            mock_reboot.assert_called_once_with(task, states.REBOOT)
            mock_handler.assert_called_once_with(task, mock.ANY,
                                                 traceback=True)
            self.assertNotIn('servicing_reboot',
                             task.node.driver_internal_info)

    def _test_clean_step_hook(self):
        """Helper method for unit tests related to clean step hooks."""
        some_function_mock = mock.MagicMock()

        @agent_base.post_clean_step_hook(
            interface='raid', step='delete_configuration')
        @agent_base.post_clean_step_hook(
            interface='raid', step='create_configuration')
        def hook_method():
            some_function_mock('some-arguments')

        return hook_method

    @mock.patch.object(agent_base, '_POST_STEP_HOOKS',
                       {'clean': {}, 'deploy': {}})
    def test_post_clean_step_hook(self):
        # This unit test makes sure that hook methods are registered
        # properly and entries are made in
        # agent_base.POST_CLEAN_STEP_HOOKS
        hook_method = self._test_clean_step_hook()
        hooks = agent_base._POST_STEP_HOOKS['clean']
        self.assertEqual(hook_method, hooks['raid']['create_configuration'])
        self.assertEqual(hook_method, hooks['raid']['delete_configuration'])

    @mock.patch.object(agent_base, '_POST_STEP_HOOKS',
                       {'clean': {}, 'deploy': {}})
    def test__get_post_step_hook(self):
        # Check if agent_base._get_post_step_hook can get
        # clean step for which hook is registered.
        hook_method = self._test_clean_step_hook()
        self.node.clean_step = {'step': 'create_configuration',
                                'interface': 'raid'}
        self.node.save()
        hook_returned = agent_base._get_post_step_hook(self.node, 'clean')
        self.assertEqual(hook_method, hook_returned)

    @mock.patch.object(agent_base, '_POST_STEP_HOOKS',
                       {'clean': {}, 'deploy': {}})
    def test__get_post_step_hook_no_hook_registered(self):
        # Make sure agent_base._get_post_step_hook returns
        # None when no clean step hook is registered for the clean step.
        self._test_clean_step_hook()
        self.node.clean_step = {'step': 'some-clean-step',
                                'interface': 'some-other-interface'}
        self.node.save()
        hook_returned = agent_base._get_post_step_hook(self.node, 'clean')
        self.assertIsNone(hook_returned)


class ContinueCleaningTest(AgentDeployMixinBaseTest):

    def setUp(self):
        super().setUp()
        self.node.provision_state = states.CLEANWAIT
        self.node.target_provision_state = states.AVAILABLE
        self.node.save()

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning(self, status_mock, clean_mock):
        # Test a successful execute clean step on the agent
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'erase_devices',
            'reboot_requested': False
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {
                'clean_step': self.node.clean_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)
            self.assertEqual(states.CLEANING, task.node.provision_state)
            self.assertEqual(states.AVAILABLE,
                             task.node.target_provision_state)

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_manual_cleaning(self, status_mock, clean_mock):
        self.node.target_provision_state = states.MANAGEABLE
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'erase_devices',
            'reboot_requested': False
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {
                'clean_step': self.node.clean_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)
            self.assertEqual(states.CLEANING, task.node.provision_state)
            self.assertEqual(states.MANAGEABLE,
                             task.node.target_provision_state)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_reboot(
            self, status_mock, reboot_mock, mock_prepare, mock_build_opt):
        # Test a successful execute clean step on the agent, with reboot
        self.node.clean_step = {
            'priority': 42,
            'interface': 'deploy',
            'step': 'reboot_me_afterwards',
            'reboot_requested': True
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {
                'clean_step': self.node.clean_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            reboot_mock.assert_called_once_with(task, states.REBOOT)

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_after_reboot(self, status_mock, clean_mock):
        # Test a successful execute clean step on the agent, with reboot
        self.node.clean_step = {
            'priority': 42,
            'interface': 'deploy',
            'step': 'reboot_me_afterwards',
            'reboot_requested': True
        }
        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['cleaning_reboot'] = True
        self.node.driver_internal_info = driver_internal_info
        self.node.save()
        # Represents a freshly booted agent with no commands
        status_mock.return_value = []

        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)
            self.assertEqual(states.CLEANING, task.node.provision_state)
            self.assertNotIn('cleaning_reboot',
                             task.node.driver_internal_info)

    @mock.patch.object(agent_base,
                       '_get_post_step_hook', autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_with_hook(
            self, status_mock, clean_mock, get_hook_mock):
        self.node.clean_step = {
            'priority': 10,
            'interface': 'raid',
            'step': 'create_configuration',
        }
        self.node.save()
        command_status = {
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {'clean_step': self.node.clean_step}}
        status_mock.return_value = [command_status]
        hook_mock = mock.MagicMock(spec=types.FunctionType, __name__='foo')
        get_hook_mock.return_value = hook_mock
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)

            get_hook_mock.assert_called_once_with(task.node, 'clean')
            hook_mock.assert_called_once_with(task, command_status)
            clean_mock.assert_called_once_with(task)

    @mock.patch.object(driver_utils, 'collect_ramdisk_logs', autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_base,
                       '_get_post_step_hook', autospec=True)
    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_with_hook_fails(
            self, status_mock, error_handler_mock, get_hook_mock,
            clean_mock, collect_logs_mock):
        self.node.clean_step = {
            'priority': 10,
            'interface': 'raid',
            'step': 'create_configuration',
        }
        self.node.save()
        command_status = {
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {'clean_step': self.node.clean_step}}
        status_mock.return_value = [command_status]
        hook_mock = mock.MagicMock(spec=types.FunctionType, __name__='foo')
        hook_mock.side_effect = RuntimeError('error')
        get_hook_mock.return_value = hook_mock
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)

            get_hook_mock.assert_called_once_with(task.node, 'clean')
            hook_mock.assert_called_once_with(task, command_status)
            error_handler_mock.assert_called_once_with(task, mock.ANY,
                                                       traceback=True)
            self.assertFalse(clean_mock.called)
            collect_logs_mock.assert_called_once_with(task.node,
                                                      label='cleaning')

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_old_command(self, status_mock, clean_mock):
        # Test when a second execute_clean_step happens to the agent, but
        # the new step hasn't started yet.
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'erase_devices',
            'reboot_requested': False
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {
                'priority': 20,
                'interface': 'deploy',
                'step': 'update_firmware',
                'reboot_requested': False
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            self.assertFalse(clean_mock.called)

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_running(self, status_mock, clean_mock):
        # Test that no action is taken while a clean step is executing
        status_mock.return_value = [{
            'command_status': 'RUNNING',
            'command_name': 'execute_clean_step',
            'command_result': None
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            self.assertFalse(clean_mock.called)

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_no_step_running(self, status_mock, clean_mock):
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'get_clean_steps',
            'command_result': []
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)

    @mock.patch.object(driver_utils, 'collect_ramdisk_logs', autospec=True)
    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_fail(self, status_mock, error_mock,
                                    collect_logs_mock):
        # Test that a failure puts the node in CLEANFAIL
        status_mock.return_value = [{
            'command_status': 'FAILED',
            'command_name': 'execute_clean_step',
            'command_result': {}
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            task.node.clean_step = {
                'step': 'erase_devices',
                'interface': 'deploy',
            }
            self.deploy.continue_cleaning(task)
            error_mock.assert_called_once_with(task, mock.ANY, traceback=False)
            collect_logs_mock.assert_called_once_with(task.node,
                                                      label='cleaning')

    @mock.patch.object(conductor_steps, 'set_node_cleaning_steps',
                       autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_base.AgentBaseMixin, 'refresh_steps',
                       autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def _test_continue_cleaning_clean_version_mismatch(
            self, status_mock, refresh_steps_mock, clean_mock, steps_mock,
            manual=False):
        status_mock.return_value = [{
            'command_status': 'CLEAN_VERSION_MISMATCH',
            'command_name': 'execute_clean_step',
        }]
        tgt_prov_state = states.MANAGEABLE if manual else states.AVAILABLE
        self.node.provision_state = states.CLEANWAIT
        self.node.target_provision_state = tgt_prov_state
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)
            refresh_steps_mock.assert_called_once_with(mock.ANY, task, 'clean')
            if manual:
                self.assertFalse(
                    task.node.driver_internal_info['skip_current_clean_step'])
                self.assertFalse(steps_mock.called)
            else:
                steps_mock.assert_called_once_with(task)
                self.assertNotIn('skip_current_clean_step',
                                 task.node.driver_internal_info)

    def test_continue_cleaning_automated_clean_version_mismatch(self):
        self._test_continue_cleaning_clean_version_mismatch()

    def test_continue_cleaning_manual_clean_version_mismatch(self):
        self._test_continue_cleaning_clean_version_mismatch(manual=True)

    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(conductor_steps, 'set_node_cleaning_steps',
                       autospec=True)
    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_base.AgentBaseMixin, 'refresh_steps',
                       autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_clean_version_mismatch_fail(
            self, status_mock, refresh_steps_mock, clean_mock, steps_mock,
            error_mock, manual=False):
        status_mock.return_value = [{
            'command_status': 'CLEAN_VERSION_MISMATCH',
            'command_name': 'execute_clean_step',
            'command_result': {'hardware_manager_version': {'Generic': '1'}}
        }]
        refresh_steps_mock.side_effect = exception.NodeCleaningFailure("boo")
        tgt_prov_state = states.MANAGEABLE if manual else states.AVAILABLE
        self.node.provision_state = states.CLEANWAIT
        self.node.target_provision_state = tgt_prov_state
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)

            status_mock.assert_called_once_with(mock.ANY, task.node)
            refresh_steps_mock.assert_called_once_with(mock.ANY, task, 'clean')
            error_mock.assert_called_once_with(task, mock.ANY, traceback=True)
            self.assertFalse(clean_mock.called)
            self.assertFalse(steps_mock.called)

    @mock.patch.object(manager_utils, 'cleaning_error_handler', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_unknown(self, status_mock, error_mock):
        # Test that unknown commands are treated as failures
        status_mock.return_value = [{
            'command_status': 'UNKNOWN',
            'command_name': 'execute_clean_step',
            'command_result': {}
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            error_mock.assert_called_once_with(task, mock.ANY, traceback=False)

    @mock.patch.object(cleaning, 'continue_node_clean', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_cleaning_declarative_flag_preserved(self, status_mock,
                                                          clean_mock):
        # Test that declarative_cleaning flag is preserved during cleaning
        self.node.clean_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'erase_devices',
            'reboot_requested': False
        }
        info = self.node.driver_internal_info
        info['declarative_cleaning'] = True
        self.node.driver_internal_info = info
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_clean_step',
            'command_result': {
                'clean_step': self.node.clean_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_cleaning(task)
            clean_mock.assert_called_once_with(task)
            self.assertEqual(states.CLEANING, task.node.provision_state)
            self.assertEqual(states.AVAILABLE,
                             task.node.target_provision_state)
            # Verify the flag is still present during cleaning
            self.assertIn('declarative_cleaning',
                          task.node.driver_internal_info)
            self.assertTrue(
                task.node.driver_internal_info['declarative_cleaning'])


class ContinueServiceTest(AgentDeployMixinBaseTest):

    def setUp(self):
        super().setUp()
        self.node.provision_state = states.SERVICEWAIT
        self.node.target_provision_state = states.ACTIVE
        self.node.save()

    @mock.patch.object(servicing, 'continue_node_service', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_servicing(self, status_mock, service_mock):
        # Test a successful execute clean step on the agent
        self.node.service_step = {
            'priority': 10,
            'interface': 'deploy',
            'step': 'erase_devices',
            'reboot_requested': False
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_service_step',
            'command_result': {
                'service_step': self.node.service_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_servicing(task)
            service_mock.assert_called_once_with(task)
            self.assertEqual(states.SERVICING, task.node.provision_state)
            self.assertEqual(states.ACTIVE,
                             task.node.target_provision_state)

    @mock.patch.object(deploy_utils, 'build_agent_options', autospec=True)
    @mock.patch.object(pxe.PXEBoot, 'prepare_ramdisk', spec_set=True,
                       autospec=True)
    @mock.patch.object(manager_utils, 'node_power_action', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_servicing_reboot(
            self, status_mock, reboot_mock, mock_prepare, mock_build_opt):
        # Test a successful execute clean step on the agent, with reboot
        self.node.service_step = {
            'priority': 42,
            'interface': 'deploy',
            'step': 'reboot_me_afterwards',
            'reboot_requested': True
        }
        self.node.save()
        status_mock.return_value = [{
            'command_status': 'SUCCEEDED',
            'command_name': 'execute_service_step',
            'command_result': {
                'service_step': self.node.service_step
            }
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_servicing(task)
            reboot_mock.assert_called_once_with(task, states.REBOOT)

    @mock.patch.object(servicing, 'continue_node_service', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_servicing_after_reboot(self, status_mock, service_mock):
        # Test a successful execute clean step on the agent, with reboot
        self.node.service_step = {
            'priority': 42,
            'interface': 'deploy',
            'step': 'reboot_me_afterwards',
            'reboot_requested': True
        }
        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['servicing_reboot'] = True
        self.node.driver_internal_info = driver_internal_info
        self.node.save()
        # Represents a freshly booted agent with no commands
        status_mock.return_value = []

        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_servicing(task)
            service_mock.assert_called_once_with(task)
            self.assertEqual(states.SERVICING, task.node.provision_state)
            self.assertNotIn('servicing_reboot',
                             task.node.driver_internal_info)

    @mock.patch.object(servicing, 'continue_node_service', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_commands_status',
                       autospec=True)
    def test_continue_servicing_running(self, status_mock, service_mock):
        # Test that no action is taken while a clean step is executing
        status_mock.return_value = [{
            'command_status': 'RUNNING',
            'command_name': 'execute_service_step',
            'command_result': None
        }]
        with task_manager.acquire(self.context, self.node['uuid'],
                                  shared=False) as task:
            self.deploy.continue_servicing(task)
            self.assertFalse(service_mock.called)


class TestRefreshCleanSteps(AgentDeployMixinBaseTest):

    def setUp(self):
        super(TestRefreshCleanSteps, self).setUp()
        self.deploy = agent_base.AgentBaseMixin()
        self.node.driver_internal_info['agent_url'] = 'http://127.0.0.1:9999'
        self.ports = [object_utils.create_test_port(self.context,
                                                    node_id=self.node.id)]

        self.clean_steps = {
            'hardware_manager_version': '1',
            'clean_steps': {
                'GenericHardwareManager': [
                    {'interface': 'deploy',
                     'step': 'erase_devices',
                     'priority': 20},
                ],
                'SpecificHardwareManager': [
                    {'interface': 'deploy',
                     'step': 'update_firmware',
                     'priority': 30},
                    {'interface': 'raid',
                     'step': 'create_configuration',
                     'priority': 10},
                ]
            }
        }
        # NOTE(dtantsur): deploy steps are structurally identical to clean
        # steps, reusing self.clean_steps for simplicity
        self.deploy_steps = {
            'hardware_manager_version': '1',
            'deploy_steps': self.clean_steps['clean_steps'],
        }

    @mock.patch.object(agent_client.AgentClient, 'get_clean_steps',
                       autospec=True)
    def test_refresh_steps(self, client_mock):
        client_mock.return_value = {
            'command_result': self.clean_steps}

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.refresh_steps(task, 'clean')

            client_mock.assert_called_once_with(mock.ANY, task.node,
                                                task.ports)
            self.assertEqual('1', task.node.driver_internal_info[
                'hardware_manager_version'])
            self.assertIn('agent_cached_clean_steps_refreshed',
                          task.node.driver_internal_info)
            steps = task.node.driver_internal_info['agent_cached_clean_steps']
            # Since steps are returned in dicts, they have non-deterministic
            # ordering
            self.assertEqual(2, len(steps))
            self.assertIn(self.clean_steps['clean_steps'][
                'GenericHardwareManager'][0], steps['deploy'])
            self.assertIn(self.clean_steps['clean_steps'][
                'SpecificHardwareManager'][0], steps['deploy'])
            self.assertEqual([self.clean_steps['clean_steps'][
                'SpecificHardwareManager'][1]], steps['raid'])

    @mock.patch.object(agent_client.AgentClient, 'get_deploy_steps',
                       autospec=True)
    def test_refresh_steps_deploy(self, client_mock):
        client_mock.return_value = {
            'command_result': self.deploy_steps}

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.refresh_steps(task, 'deploy')

            client_mock.assert_called_once_with(mock.ANY, task.node,
                                                task.ports)
            self.assertEqual('1', task.node.driver_internal_info[
                'hardware_manager_version'])
            self.assertIn('agent_cached_deploy_steps_refreshed',
                          task.node.driver_internal_info)
            steps = task.node.driver_internal_info['agent_cached_deploy_steps']
            self.assertEqual({'deploy', 'raid'}, set(steps))
            # Since steps are returned in dicts, they have non-deterministic
            # ordering
            self.assertIn(self.clean_steps['clean_steps'][
                'GenericHardwareManager'][0], steps['deploy'])
            self.assertIn(self.clean_steps['clean_steps'][
                'SpecificHardwareManager'][0], steps['deploy'])
            self.assertEqual([self.clean_steps['clean_steps'][
                'SpecificHardwareManager'][1]], steps['raid'])

    @mock.patch.object(agent_base.LOG, 'warning', autospec=True)
    @mock.patch.object(agent_client.AgentClient, 'get_deploy_steps',
                       autospec=True)
    def test_refresh_steps_busy(self, client_mock, log_mock):
        client_mock.side_effect = exception.AgentInProgress(
            node="node", error='Agent is busy : maximum meowing')

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            log_mock.reset_mock()
            self.deploy.refresh_steps(task, 'deploy')

            client_mock.assert_called_once_with(mock.ANY, task.node,
                                                task.ports)
            self.assertNotIn('agent_cached_deploy_steps_refreshed',
                             task.node.driver_internal_info)
            self.assertIsNone(task.node.driver_internal_info.get(
                'agent_cached_deploy_steps'))

    @mock.patch.object(agent_client.AgentClient, 'get_clean_steps',
                       autospec=True)
    def test_refresh_steps_missing_steps(self, client_mock):
        del self.clean_steps['clean_steps']
        client_mock.return_value = {
            'command_result': self.clean_steps}

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.assertRaisesRegex(exception.NodeCleaningFailure,
                                   'invalid result',
                                   self.deploy.refresh_steps,
                                   task, 'clean')
            client_mock.assert_called_once_with(mock.ANY, task.node,
                                                task.ports)

    @mock.patch.object(agent_client.AgentClient, 'get_clean_steps',
                       autospec=True)
    def test_refresh_steps_missing_interface(self, client_mock):
        step = self.clean_steps['clean_steps']['SpecificHardwareManager'][1]
        del step['interface']
        client_mock.return_value = {
            'command_result': self.clean_steps}

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.assertRaisesRegex(exception.NodeCleaningFailure,
                                   'invalid clean step',
                                   self.deploy.refresh_steps,
                                   task, 'clean')
            client_mock.assert_called_once_with(mock.ANY, task.node,
                                                task.ports)


class StepMethodsTestCase(db_base.DbTestCase):

    def setUp(self):
        super(StepMethodsTestCase, self).setUp()

        self.clean_steps = {
            'deploy': [
                {'interface': 'deploy',
                 'step': 'erase_devices',
                 'priority': 20},
                {'interface': 'deploy',
                 'step': 'update_firmware',
                 'priority': 30}
            ],
            'raid': [
                {'interface': 'raid',
                 'step': 'create_configuration',
                 'priority': 10}
            ]
        }
        n = {'boot_interface': 'pxe',
             'deploy_interface': 'direct',
             'driver_internal_info': {
                 'agent_cached_clean_steps': self.clean_steps}}
        self.node = object_utils.create_test_node(self.context, **n)
        self.ports = [object_utils.create_test_port(self.context,
                                                    node_id=self.node.id)]
        self.deploy = agent.CustomAgentDeploy()

    def test_agent_get_steps(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.get_steps(task, 'clean')

            # Since steps are returned in dicts, they have non-deterministic
            # ordering
            self.assertThat(response, matchers.HasLength(3))
            self.assertIn(self.clean_steps['deploy'][0], response)
            self.assertIn(self.clean_steps['deploy'][1], response)
            self.assertIn(self.clean_steps['raid'][0], response)

    def test_agent_get_steps_deploy(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            task.node.driver_internal_info = {
                'agent_cached_deploy_steps': self.clean_steps
            }
            response = agent_base.get_steps(task, 'deploy')

            # Since steps are returned in dicts, they have non-deterministic
            # ordering
            self.assertThat(response, matchers.HasLength(3))
            self.assertIn(self.clean_steps['deploy'][0], response)
            self.assertIn(self.clean_steps['deploy'][1], response)
            self.assertIn(self.clean_steps['raid'][0], response)

    def test_get_steps_custom_interface(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.get_steps(task, 'clean', interface='raid')
            self.assertThat(response, matchers.HasLength(1))
            self.assertEqual(self.clean_steps['raid'], response)

    def test_get_steps_override_priorities(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            new_priorities = {'create_configuration': 42}
            response = agent_base.get_steps(
                task, 'clean', interface='raid',
                override_priorities=new_priorities)
            self.assertEqual(42, response[0]['priority'])

    def test_get_steps_override_priorities_none(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            # this is simulating the default value of a configuration option
            new_priorities = {'create_configuration': None}
            response = agent_base.get_steps(
                task, 'clean', interface='raid',
                override_priorities=new_priorities)
            self.assertEqual(10, response[0]['priority'])

    def test_get_steps_missing_steps(self):
        info = self.node.driver_internal_info
        del info['agent_cached_clean_steps']
        self.node.driver_internal_info = info
        self.node.save()
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.assertEqual([], agent_base.get_steps(task, 'clean'))

    def test_find_step(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            step = agent_base.find_step(task, 'clean', 'deploy',
                                        'erase_devices')
            self.assertEqual(self.clean_steps['deploy'][0], step)

    def test_find_step_not_found(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.assertIsNone(agent_base.find_step(
                task, 'clean', 'non-deploy', 'erase_devices'))
            self.assertIsNone(agent_base.find_step(
                task, 'clean', 'deploy', 'something_else'))
            self.assertIsNone(agent_base.find_step(
                task, 'deploy', 'deploy', 'erase_devices'))

    def test_get_deploy_steps(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            task.node.driver_internal_info = {
                'agent_cached_deploy_steps': self.clean_steps
            }
            steps = self.deploy.get_deploy_steps(task)
            # 2 in-band steps + 3 out-of-band
            expected = [
                {'step': 'deploy', 'priority': 100, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'prepare_instance_boot', 'priority': 60,
                 'abortable': True, 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'tear_down_agent', 'priority': 40, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'switch_to_tenant_network', 'priority': 30,
                 'abortable': True, 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'boot_instance', 'priority': 20, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
            ] + self.clean_steps['deploy']
            self.assertCountEqual(expected, steps)

    def test_get_deploy_steps_only_oob(self):
        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            steps = self.deploy.get_deploy_steps(task)
            # three base out-of-band steps
            expected = [
                {'step': 'deploy', 'priority': 100, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'prepare_instance_boot', 'priority': 60,
                 'abortable': True, 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'tear_down_agent', 'priority': 40, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'switch_to_tenant_network', 'priority': 30,
                 'abortable': True, 'argsinfo': None, 'interface': 'deploy'},
                {'step': 'boot_instance', 'priority': 20, 'abortable': True,
                 'argsinfo': None, 'interface': 'deploy'},
            ]
            self.assertCountEqual(expected, steps)

    @mock.patch('ironic.objects.Port.list_by_node_id',
                spec_set=types.FunctionType)
    @mock.patch.object(agent_client.AgentClient, 'execute_clean_step',
                       autospec=True)
    def test_execute_clean_step(self, client_mock, list_ports_mock):
        client_mock.return_value = {
            'command_status': 'SUCCEEDED'}
        list_ports_mock.return_value = self.ports

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.execute_step(
                task, self.clean_steps['deploy'][0], 'clean')
            self.assertEqual(states.CLEANWAIT, response)

    @mock.patch('ironic.objects.Port.list_by_node_id',
                spec_set=types.FunctionType)
    @mock.patch.object(agent_client.AgentClient, 'execute_service_step',
                       autospec=True)
    def test_execute_service_step(self, client_mock, list_ports_mock):
        client_mock.return_value = {
            'command_status': 'SUCCEEDED'}
        list_ports_mock.return_value = self.ports

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.execute_step(
                task, self.clean_steps['deploy'][0], 'service')
            self.assertEqual(states.SERVICEWAIT, response)

    @mock.patch('ironic.objects.Port.list_by_node_id',
                spec_set=types.FunctionType)
    @mock.patch.object(agent_client.AgentClient, 'execute_deploy_step',
                       autospec=True)
    def test_execute_deploy_step(self, client_mock, list_ports_mock):
        client_mock.return_value = {
            'command_status': 'SUCCEEDED'}
        list_ports_mock.return_value = self.ports

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.execute_step(
                task, self.clean_steps['deploy'][0], 'deploy')
            self.assertEqual(states.DEPLOYWAIT, response)

    @mock.patch('ironic.objects.Port.list_by_node_id',
                spec_set=types.FunctionType)
    @mock.patch.object(agent_client.AgentClient, 'execute_clean_step',
                       autospec=True)
    def test_execute_clean_step_running(self, client_mock, list_ports_mock):
        client_mock.return_value = {
            'command_status': 'RUNNING'}
        list_ports_mock.return_value = self.ports

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.execute_step(
                task, self.clean_steps['deploy'][0], 'clean')
            self.assertEqual(states.CLEANWAIT, response)

    @mock.patch('ironic.objects.Port.list_by_node_id',
                spec_set=types.FunctionType)
    @mock.patch.object(agent_client.AgentClient, 'execute_clean_step',
                       autospec=True)
    def test_execute_clean_step_version_mismatch(
            self, client_mock, list_ports_mock):
        client_mock.return_value = {
            'command_status': 'RUNNING'}
        list_ports_mock.return_value = self.ports

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            response = agent_base.execute_step(
                task, self.clean_steps['deploy'][0], 'clean')
            self.assertEqual(states.CLEANWAIT, response)


class FreshlyBootedTestCase(db_base.DbTestCase):

    def setUp(self):
        super(FreshlyBootedTestCase, self).setUp()

    def test__freshly_booted_empty_result(self):
        commands = []
        self.assertTrue(agent_base._freshly_booted(commands, 'deploy'))

    def test__freshly_booted_single_command(self):
        commands = [{'command_name': 'get_deploy_steps'}]
        self.assertTrue(agent_base._freshly_booted(commands, 'deploy'))

    def test__freshly_booted_single_command_mismatch(self):
        commands = [{'command_name': 'get_service_steps'}]
        self.assertFalse(agent_base._freshly_booted(commands, 'deploy'))

    def test__freshly_booted_has_retries(self):
        # NOTE(TheJulia): this is just an arbitrary number
        # of retires to account for lossy/problematic networks
        commands = [
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'}]
        self.assertTrue(agent_base._freshly_booted(commands, 'deploy'))

    def test__freshly_booted_multi_command(self):
        commands = [
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_deploy_steps'},
            {'command_name': 'get_service_steps'}]
        self.assertFalse(agent_base._freshly_booted(commands, 'deploy'))


class RestoreDeployInterfaceTestCase(AgentDeployMixinBaseTest):

    def setUp(self):
        super(RestoreDeployInterfaceTestCase, self).setUp()
        self.config(enabled_deploy_interfaces=['bootc', 'direct'])

    def test_restore_interface_with_original(self):
        """Test restore_interface when original exists."""
        self.node.driver_internal_info = {
            'original_deploy_interface': 'direct'
        }
        self.node.deploy_interface = 'bootc'
        self.node.save()

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.restore_interface(task)

        self.node.refresh()
        self.assertEqual('direct', self.node.deploy_interface)
        self.assertNotIn('original_deploy_interface',
                         self.node.driver_internal_info)

    def test_restore_interface_without_original(self):
        """Test restore_interface when original doesn't exist."""
        original_interface = self.node.deploy_interface
        self.node.save()

        with task_manager.acquire(
                self.context, self.node.uuid, shared=False) as task:
            self.deploy.restore_interface(task)

        self.node.refresh()
        # Deploy interface should remain unchanged
        self.assertEqual(original_interface, self.node.deploy_interface)
        self.assertNotIn('original_deploy_interface',
                         self.node.driver_internal_info)
