masakari/masakari/tests/unit/engine/test_engine_mgr.py

1101 lines
54 KiB
Python

# All Rights Reserved.
# Copyright 2016 NTT DATA
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from oslo_utils import importutils
from oslo_utils import timeutils
from masakari.compute import nova
import masakari.conf
from masakari import context
from masakari.engine import utils as engine_utils
from masakari import exception
from masakari.objects import fields
from masakari.objects import host as host_obj
from masakari.objects import notification as notification_obj
from masakari import rpc
from masakari import test
from masakari.tests.unit import fakes
from masakari.tests import uuidsentinel
CONF = masakari.conf.CONF
NOW = timeutils.utcnow().replace(microsecond=0)
def _get_vm_type_notification(status="new"):
return fakes.create_fake_notification(
type="VM", id=1, payload={
'event': 'LIFECYCLE', 'instance_uuid': uuidsentinel.fake_ins,
'vir_domain_event': 'STOPPED_FAILED'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW, status=status,
notification_uuid=uuidsentinel.fake_notification)
@mock.patch.object(notification_obj.Notification, "get_by_uuid")
class EngineManagerUnitTestCase(test.NoDBTestCase):
def setUp(self):
super(EngineManagerUnitTestCase, self).setUp()
rpc.init(CONF)
self.engine = importutils.import_object(CONF.engine_manager)
self.context = context.RequestContext()
def _fake_notification_workflow(self, exc=None):
if exc:
return exc
# else the workflow executed successfully
def _get_process_type_notification(self):
return fakes.create_fake_notification(
type="PROCESS", id=1, payload={
'event': 'stopped', 'process_name': 'fake_service'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW, status="new",
notification_uuid=uuidsentinel.fake_notification)
def _get_compute_host_type_notification(self):
return fakes.create_fake_notification(
type="COMPUTE_HOST", id=1, payload={
'event': 'stopped', 'host_status': 'NORMAL',
'cluster_status': 'ONLINE'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW, status="new",
notification_uuid=uuidsentinel.fake_notification)
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_instance_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
def test_process_notification_type_vm_success(self,
mock_notify_about_notification_update, mock_save,
mock_instance_failure, mock_notification_get):
mock_instance_failure.side_effect = self._fake_notification_workflow()
notification = _get_vm_type_notification()
mock_notification_get.return_value = notification
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
mock_instance_failure.assert_called_once_with(
self.context, notification.payload.get('instance_uuid'),
notification.notification_uuid)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_instance_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_vm_error(self, mock_format,
mock_notify_about_notification_update, mock_save,
mock_instance_failure, mock_notification_get):
mock_format.return_value = mock.ANY
mock_instance_failure.side_effect = self._fake_notification_workflow(
exc=exception.InstanceRecoveryFailureException)
notification = _get_vm_type_notification()
mock_notification_get.return_value = notification
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("error", notification.status)
mock_instance_failure.assert_called_once_with(
self.context, notification.payload.get('instance_uuid'),
notification.notification_uuid)
e = exception.InstanceRecoveryFailureException('Failed to execute '
'instance recovery workflow.')
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(notification_obj.Notification, "save")
def test_process_notification_type_vm_error_event_unmatched(
self, mock_save, mock_notification_get):
notification = fakes.create_fake_notification(
type="VM", id=1, payload={
'event': 'fake_event', 'instance_uuid': uuidsentinel.fake_ins,
'vir_domain_event': 'fake_vir_domain_event'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW, status="new",
notification_uuid=uuidsentinel.fake_notification)
mock_notification_get.return_value = notification
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("ignored", notification.status)
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_instance_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_vm_skip_recovery(
self, mock_format, mock_notify_about_notification_update,
mock_save, mock_instance_failure, mock_notification_get):
mock_format.return_value = mock.ANY
notification = _get_vm_type_notification()
mock_notification_get.return_value = notification
mock_instance_failure.side_effect = self._fake_notification_workflow(
exc=exception.SkipInstanceRecoveryException)
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
mock_instance_failure.assert_called_once_with(
self.context, notification.payload.get('instance_uuid'),
notification.notification_uuid)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_process_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
def test_process_notification_type_process_event_stopped(
self, mock_notify_about_notification_update,
mock_notification_save, mock_process_failure,
mock_host_save, mock_host_obj, mock_notification_get):
notification = self._get_process_type_notification()
mock_notification_get.return_value = notification
mock_process_failure.side_effect = self._fake_notification_workflow()
fake_host = fakes.create_fake_host()
mock_host_obj.return_value = fake_host
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
mock_process_failure.assert_called_once_with(
self.context, notification.payload.get('process_name'),
fake_host.name,
notification.notification_uuid)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_process_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_process_skip_recovery(
self, mock_format, mock_notify_about_notification_update,
mock_notification_save, mock_process_failure,
mock_host_save, mock_host_obj, mock_notification_get):
mock_format.return_value = mock.ANY
notification = self._get_process_type_notification()
mock_notification_get.return_value = notification
fake_host = fakes.create_fake_host()
mock_host_obj.return_value = fake_host
mock_process_failure.side_effect = self._fake_notification_workflow(
exc=exception.SkipProcessRecoveryException)
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_process_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_process_recovery_failure(
self, mock_format, mock_notify_about_notification_update,
mock_notification_save, mock_process_failure,
mock_host_save, mock_host_obj, mock_notification_get):
mock_format.return_value = mock.ANY
notification = self._get_process_type_notification()
mock_notification_get.return_value = notification
fake_host = fakes.create_fake_host()
mock_host_obj.return_value = fake_host
mock_process_failure.side_effect = self._fake_notification_workflow(
exc=exception.ProcessRecoveryFailureException)
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("error", notification.status)
e = exception.ProcessRecoveryFailureException('Failed to execute '
'process recovery workflow.')
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_process_failure")
def test_process_notification_type_process_event_started(
self, mock_process_failure, mock_notify_about_notification_update,
mock_notification_save, mock_host_save, mock_host_obj,
mock_notification_get):
notification = self._get_process_type_notification()
mock_notification_get.return_value = notification
notification.payload['event'] = 'started'
fake_host = fakes.create_fake_host()
mock_host_obj.return_value = fake_host
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
self.assertFalse(mock_process_failure.called)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_process_failure")
def test_process_notification_type_process_event_other(
self, mock_process_failure, mock_notify_about_notification_update,
mock_notification_save, mock_notification_get):
notification = self._get_process_type_notification()
mock_notification_get.return_value = notification
notification.payload['event'] = 'other'
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("ignored", notification.status)
self.assertFalse(mock_process_failure.called)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
def test_process_notification_type_compute_host_event_stopped(
self, mock_notify_about_notification_update,
mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
mock_host_failure.side_effect = self._fake_notification_workflow()
fake_host = fakes.create_fake_host()
mock_get_all.return_value = None
fake_host.failover_segment = fakes.create_fake_failover_segment()
mock_host_obj.return_value = fake_host
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("finished", notification.status)
mock_host_failure.assert_called_once_with(
self.context,
fake_host.name, fake_host.failover_segment.recovery_method,
notification.notification_uuid, reserved_host_list=None)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_host_failure_without_reserved_hosts(
self, mock_format, mock_notify_about_notification_update,
mock_notification_save, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
mock_format.return_value = mock.ANY
reserved_host_list = []
mock_get_all.return_value = reserved_host_list
fake_host = fakes.create_fake_host()
fake_host.failover_segment = fakes.create_fake_failover_segment(
recovery_method='reserved_host')
mock_host_obj.return_value = fake_host
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("error", notification.status)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
e = exception.ReservedHostsUnavailable(
'No reserved_hosts available for evacuation.')
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
def test_process_notification_host_failure_with_reserved_hosts(
self, mock_notify_about_notification_update,
mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
fake_host = fakes.create_fake_host()
fake_host.failover_segment = fakes.create_fake_failover_segment(
recovery_method='reserved_host')
reserved_host_list = [fake_host]
mock_get_all.return_value = reserved_host_list
mock_host_obj.return_value = fake_host
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
mock_host_failure.side_effect = self._fake_notification_workflow()
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("finished", notification.status)
mock_host_failure.assert_called_once_with(
self.context,
fake_host.name, fake_host.failover_segment.recovery_method,
notification.notification_uuid,
reserved_host_list=reserved_host_list)
mock_get_all.assert_called_once_with(self.context, filters={
'failover_segment_id': fake_host.failover_segment.uuid,
'reserved': True, 'on_maintenance': False})
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
def test_process_notification_reserved_host_failure(
self, mock_notify_about_notification_update,
mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
fake_host = fakes.create_fake_host(reserved=True)
fake_host.failover_segment = fakes.create_fake_failover_segment(
recovery_method='reserved_host')
reserved_host_list = [fake_host]
mock_get_all.return_value = reserved_host_list
mock_host_obj.return_value = fake_host
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
mock_host_failure.side_effect = self._fake_notification_workflow()
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
'reserved': False,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("finished", notification.status)
mock_host_failure.assert_called_once_with(
self.context,
fake_host.name, fake_host.failover_segment.recovery_method,
notification.notification_uuid,
reserved_host_list=reserved_host_list)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_compute_host_recovery_exception(
self, mock_format, mock_notify_about_notification_update,
mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
mock_format.return_value = mock.ANY
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
fake_host = fakes.create_fake_host()
mock_get_all.return_value = None
fake_host.failover_segment = fakes.create_fake_failover_segment()
mock_host_obj.return_value = fake_host
mock_host_failure.side_effect = self._fake_notification_workflow(
exc=exception.HostRecoveryFailureException)
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("error", notification.status)
e = exception.HostRecoveryFailureException('Failed to execute host '
'recovery.')
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(host_obj.Host, "get_by_uuid")
@mock.patch.object(host_obj.Host, "save")
@mock.patch.object(host_obj.Host, "update")
@mock.patch.object(host_obj.HostList, "get_all")
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
def test_process_notification_type_compute_host_skip_host_recovery(
self, mock_format, mock_notify_about_notification_update,
mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj,
mock_notification_get):
mock_format.return_value = mock.ANY
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
fake_host = fakes.create_fake_host()
mock_get_all.return_value = None
fake_host.failover_segment = fakes.create_fake_failover_segment()
mock_host_obj.return_value = fake_host
# mock_host_failure.side_effect = str(e)
mock_host_failure.side_effect = self._fake_notification_workflow(
exc=exception.SkipHostRecoveryException)
self.engine.process_notification(self.context,
notification=notification)
update_data_by_host_failure = {
'on_maintenance': True,
}
mock_host_update.assert_called_once_with(update_data_by_host_failure)
self.assertEqual("finished", notification.status)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
def test_process_notification_type_compute_host_event_started(
self, mock_host_failure, mock_notify_about_notification_update,
mock_notification_save, mock_notification_get):
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
notification.payload['event'] = 'started'
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("finished", notification.status)
self.assertFalse(mock_host_failure.called)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch("masakari.engine.drivers.taskflow."
"TaskFlowDriver.execute_host_failure")
def test_process_notification_type_compute_host_event_other(
self, mock_host_failure, mock_notify_about_notification_update,
mock_notification_save, mock_notification_get):
notification = self._get_compute_host_type_notification()
mock_notification_get.return_value = notification
notification.payload['event'] = 'other'
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("ignored", notification.status)
self.assertFalse(mock_host_failure.called)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_end = fields.EventNotificationPhase.END
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_end)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch("masakari.compute.nova.API.stop_server")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
@mock.patch("masakari.compute.nova.API.get_server")
def test_process_notification_type_vm_ignore_instance_in_paused(
self, mock_get_server, mock_format,
mock_notify_about_notification_update, mock_notification_save,
mock_stop_server, mock_notification_get):
mock_format.return_value = mock.ANY
notification = _get_vm_type_notification()
mock_notification_get.return_value = notification
mock_get_server.return_value = fakes.FakeNovaClient.Server(
id=1, uuid=uuidsentinel.fake_ins, host='fake_host',
vm_state='paused', ha_enabled=True)
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("ignored", notification.status)
self.assertFalse(mock_stop_server.called)
msg = ("Recovery of instance '%(instance_uuid)s' is ignored as it is "
"in '%(vm_state)s' state.") % {'instance_uuid':
uuidsentinel.fake_ins, 'vm_state': 'paused'}
e = exception.IgnoreInstanceRecoveryException(msg)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
@mock.patch("masakari.compute.nova.API.stop_server")
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch.object(engine_utils, 'notify_about_notification_update')
@mock.patch('traceback.format_exc')
@mock.patch("masakari.compute.nova.API.get_server")
def test_process_notification_type_vm_ignore_instance_in_rescued(
self, mock_get_server, mock_format,
mock_notify_about_notification_update, mock_notification_save,
mock_stop_server, mock_notification_get):
mock_format.return_value = mock.ANY
notification = _get_vm_type_notification()
mock_notification_get.return_value = notification
mock_get_server.return_value = fakes.FakeNovaClient.Server(
id=1, uuid=uuidsentinel.fake_ins, host='fake_host',
vm_state='rescued', ha_enabled=True)
self.engine.process_notification(self.context,
notification=notification)
self.assertEqual("ignored", notification.status)
self.assertFalse(mock_stop_server.called)
msg = ("Recovery of instance '%(instance_uuid)s' is ignored as it is "
"in '%(vm_state)s' state.") % {'instance_uuid':
uuidsentinel.fake_ins, 'vm_state': 'rescued'}
e = exception.IgnoreInstanceRecoveryException(msg)
action = fields.EventNotificationAction.NOTIFICATION_PROCESS
phase_start = fields.EventNotificationPhase.START
phase_error = fields.EventNotificationPhase.ERROR
notify_calls = [
mock.call(self.context, notification, action=action,
phase=phase_start),
mock.call(self.context, notification, action=action,
phase=phase_error,
exception=str(e),
tb=mock.ANY)]
mock_notify_about_notification_update.assert_has_calls(notify_calls)
def test_process_notification_stop_from_recovery_failure(self,
mock_get_noti):
noti_new = _get_vm_type_notification()
mock_get_noti.return_value = _get_vm_type_notification(
status="failed")
with mock.patch("masakari.engine.manager.LOG.warning") as mock_log:
self.engine.process_notification(self.context,
notification=noti_new)
mock_log.assert_called_once()
args = mock_log.call_args[0]
expected_log = ("Processing of notification is skipped to avoid "
"recovering from failure twice. "
"Notification received is '%(uuid)s' "
"and it's status is '%(new_status)s' and the "
"current status of same notification in db "
"is '%(old_status)s'")
expected_log_args_1 = {'uuid': noti_new.notification_uuid,
'new_status': noti_new.status,
'old_status': "failed"}
self.assertEqual(expected_log, args[0])
self.assertEqual(expected_log_args_1, args[1])
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'DisableComputeServiceTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'PrepareHAEnabledInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'EvacuateInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.no_op.LOG')
def test_host_failure_custom_flow_for_auto_recovery(
self, _mock_log, _mock_task1, _mock_task2, _mock_task3,
_mock_novaclient, _mock_notification_get):
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.override_config(
"host_auto_failure_recovery_tasks",
{'pre': ['disable_compute_service_task', 'no_op'],
'main': ['prepare_HA_enabled_instances_task'],
'post': ['evacuate_instances_task']},
"taskflow_driver_recovery_flows")
expected_msg_format = "Custom task executed successfully..!!"
self.engine.driver.execute_host_failure(
self.context, 'fake_host',
fields.FailoverSegmentRecoveryMethod.AUTO,
uuidsentinel.fake_notification)
# Ensure custom_task added to the 'host_auto_failure_recovery_tasks'
# is executed.
_mock_log.info.assert_called_with(expected_msg_format)
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch.object(nova.API, "enable_disable_service")
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'PrepareHAEnabledInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'EvacuateInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.base.MasakariTask.'
'update_details')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.LOG')
def test_host_failure_flow_for_auto_recovery(self, _mock_log,
_mock_notify,
_mock_novaclient,
_mock_enable_disable,
_mock_task2, _mock_task3,
_mock_notification_get):
self.novaclient = nova.API()
self.fake_client = fakes.FakeNovaClient()
self.override_config("wait_period_after_evacuation", 2)
self.override_config("wait_period_after_service_update", 2)
self.override_config("evacuate_all_instances",
True, "host_failure")
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(id="1", host="fake-host",
ha_enabled=True)
self.fake_client.servers.create(id="2", host="fake-host")
instance_uuid_list = []
for instance in self.fake_client.servers.list():
instance_uuid_list.append(instance.id)
instance_list = {
"instance_list": ','.join(instance_uuid_list),
}
_mock_task2.return_value = instance_list
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.engine.driver.execute_host_failure(
self.context, "fake-host",
fields.FailoverSegmentRecoveryMethod.AUTO,
uuidsentinel.fake_notification)
# make sure instance is active and has different host
for server in instance_uuid_list:
instance = self.novaclient.get_server(self.context, server)
if CONF.host_failure.ignore_instances_in_error_state and getattr(
instance, 'OS-EXT-STS:vm_state') == 'error':
self.assertEqual(
"fake-host", getattr(
instance, 'OS-EXT-SRV-ATTR:hypervisor_hostname'))
else:
self.assertNotEqual(
"fake-host", getattr(
instance, 'OS-EXT-SRV-ATTR:hypervisor_hostname'))
# verify progress details
_mock_notify.assert_has_calls([
mock.call("Disabling compute service on host: 'fake-host'"),
mock.call("Disabled compute service on host: 'fake-host'", 1.0)
])
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'DisableComputeServiceTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'PrepareHAEnabledInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'EvacuateInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.no_op.LOG')
def test_host_failure_custom_flow_for_rh_recovery(self, _mock_log,
_mock_task1,
_mock_task2,
_mock_task3,
_mock_novaclient, _mock_notification_get):
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.override_config(
"host_rh_failure_recovery_tasks",
{'pre': ['disable_compute_service_task'],
'main': [],
'post': ['no_op']},
"taskflow_driver_recovery_flows")
expected_msg_format = "Custom task executed successfully..!!"
self.engine.driver.execute_host_failure(
self.context, 'fake_host',
fields.FailoverSegmentRecoveryMethod.RESERVED_HOST,
uuidsentinel.fake_notification,
reserved_host_list=['host-1', 'host-2'])
# Ensure custom_task added to the 'host_rh_failure_recovery_tasks'
# is executed.
_mock_log.info.assert_called_with(expected_msg_format)
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch.object(nova.API, "enable_disable_service")
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'PrepareHAEnabledInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.'
'EvacuateInstancesTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.base.MasakariTask.'
'update_details')
@mock.patch('masakari.engine.drivers.taskflow.host_failure.LOG')
def test_host_failure_flow_for_rh_recovery(self, _mock_log, _mock_notify,
_mock_novaclient,
_mock_enable_disable,
_mock_task2, _mock_task3,
_mock_notification_get):
self.novaclient = nova.API()
self.fake_client = fakes.FakeNovaClient()
self.override_config("wait_period_after_evacuation", 2)
self.override_config("wait_period_after_service_update", 2)
self.override_config("evacuate_all_instances",
True, "host_failure")
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(id="1", host="fake-host",
ha_enabled=True)
self.fake_client.servers.create(id="2", host="fake-host")
instance_uuid_list = []
for instance in self.fake_client.servers.list():
instance_uuid_list.append(instance.id)
instance_list = {
"instance_list": ','.join(instance_uuid_list),
}
_mock_task2.return_value = instance_list
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.engine.driver.execute_host_failure(
self.context, "fake-host",
fields.FailoverSegmentRecoveryMethod.RESERVED_HOST,
uuidsentinel.fake_notification,
reserved_host_list=['host-1', 'host-2'])
# make sure instance is active and has different host
for server in instance_uuid_list:
instance = self.novaclient.get_server(self.context, server)
self.assertNotEqual(
"fake-host", getattr(
instance, 'OS-EXT-SRV-ATTR:hypervisor_hostname'))
# verify progress details
_mock_notify.assert_has_calls([
mock.call("Disabling compute service on host: 'fake-host'"),
mock.call("Disabled compute service on host: 'fake-host'", 1.0)
])
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.instance_failure.'
'StopInstanceTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.instance_failure.'
'StartInstanceTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.instance_failure.'
'ConfirmInstanceActiveTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.no_op.LOG')
def test_instance_failure_custom_flow_recovery(
self, _mock_log, _mock_task1, _mock_task2, _mock_task3,
_mock_novaclient, _mock_notification_get):
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.override_config(
"instance_failure_recovery_tasks",
{'pre': ['stop_instance_task', 'no_op'],
'main': ['start_instance_task'],
'post': ['confirm_instance_active_task']},
"taskflow_driver_recovery_flows")
expected_msg_format = "Custom task executed successfully..!!"
self.engine.driver.execute_instance_failure(
self.context, uuidsentinel.fake_ins,
uuidsentinel.fake_notification)
# Ensure custom_task added to the 'instance_failure_recovery_tasks'
# is executed.
_mock_log.info.assert_called_with(expected_msg_format)
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.base.MasakariTask.'
'update_details')
@mock.patch('masakari.engine.drivers.taskflow.instance_failure.LOG')
def test_instance_failure_flow_recovery(self, _mock_log, _mock_notify,
_mock_novaclient,
_mock_notification_get):
self.novaclient = nova.API()
self.fake_client = fakes.FakeNovaClient()
self.override_config('wait_period_after_power_off', 2)
self.override_config('wait_period_after_power_on', 2)
instance_id = uuidsentinel.fake_ins
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(instance_id,
host="fake-host",
ha_enabled=True)
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.engine.driver.execute_instance_failure(
self.context, instance_id,
uuidsentinel.fake_notification)
# verify instance is in active state
instance = self.novaclient.get_server(self.context, instance_id)
self.assertEqual('active',
getattr(instance, 'OS-EXT-STS:vm_state'))
_mock_notify.assert_has_calls([
mock.call('Stopping instance: ' + instance_id),
mock.call("Stopped instance: '" + instance_id + "'", 1.0),
mock.call("Starting instance: '" + instance_id + "'"),
mock.call("Instance started: '" + instance_id + "'", 1.0),
mock.call("Confirming instance '" + instance_id +
"' vm_state is ACTIVE"),
mock.call("Confirmed instance '" + instance_id +
"' vm_state is ACTIVE", 1.0)
])
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.process_failure.'
'DisableComputeNodeTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.process_failure.'
'ConfirmComputeNodeDisabledTask.execute')
@mock.patch('masakari.engine.drivers.taskflow.no_op.LOG')
def test_process_failure_custom_flow_recovery(
self, _mock_log, _mock_task1, _mock_task2, _mock_novaclient,
_mock_notification_get):
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.override_config(
"process_failure_recovery_tasks",
{'pre': ['disable_compute_node_task', 'no_op'],
'main': ['confirm_compute_node_disabled_task'],
'post': []},
"taskflow_driver_recovery_flows")
expected_msg_format = "Custom task executed successfully..!!"
self.engine.driver.execute_process_failure(
self.context, 'nova-compute', 'fake_host',
uuidsentinel.fake_notification, )
_mock_log.info.assert_any_call(expected_msg_format)
# Ensure custom_task added to the 'process_failure_recovery_tasks'
# is executed.
_mock_log.info.assert_called_with(expected_msg_format)
@mock.patch('masakari.compute.nova.novaclient')
@mock.patch('masakari.engine.drivers.taskflow.base.MasakariTask.'
'update_details')
@mock.patch('masakari.engine.drivers.taskflow.process_failure.LOG')
def test_process_failure_flow_recovery(self, _mock_log, _mock_notify,
_mock_novaclient,
_mock_notification_get):
self.novaclient = nova.API()
self.fake_client = fakes.FakeNovaClient()
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.services.create("1", host="fake-host",
binary="nova-compute",
status="enabled")
# For testing purpose setting BACKEND as memory
masakari.engine.drivers.taskflow.base.PERSISTENCE_BACKEND = 'memory://'
self.engine.driver.execute_process_failure(
self.context, "nova-compute", "fake-host",
uuidsentinel.fake_notification)
# verify service is disabled
self.assertTrue(self.novaclient.is_service_down(self.context,
"fake-host",
"nova-compute"))
# verify progress details
_mock_notify.assert_has_calls([
mock.call("Disabling compute service on host: 'fake-host'"),
mock.call("Disabled compute service on host: 'fake-host'", 1.0),
mock.call("Confirming compute service is disabled on host: "
"'fake-host'"),
mock.call("Confirmed compute service is disabled on host: "
"'fake-host'", 1.0)
])
@mock.patch.object(notification_obj.Notification, "save")
@mock.patch('masakari.engine.drivers.taskflow.driver.TaskFlowDriver.'
'get_notification_recovery_workflow_details')
def test_get_notification_recovery_workflow_details(self,
mock_progress_details,
mock_save,
mock_notification_get):
notification = fakes.create_fake_notification(
type="VM", id=1, payload={
'event': 'fake_event', 'instance_uuid': uuidsentinel.fake_ins,
'vir_domain_event': 'fake_vir_domain_event'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW, status="new",
notification_uuid=uuidsentinel.fake_notification,)
mock_notification_get.return_value = notification
self.engine.driver.get_notification_recovery_workflow_details(
self.context, notification)
mock_progress_details.assert_called_once_with(
self.context, notification)