def setUp(self, mock_rpc):
super(NotificationAPITestCase, self).setUp()
self.notification_api = ha_api.NotificationAPI()
self.req = fakes.HTTPRequest.blank('/v1/notifications',
use_admin_context=True)
self.context = self.req.environ['masakari.context']
self.host = fakes_data.create_fake_host(
name="host_1",
id=1,
reserved=False,
on_maintenance=False,
type="fake",
control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1,
failover_segment_id=uuidsentinel.fake_segment1)
self.notification = fakes_data.create_fake_notification(
type="VM",
id=1,
payload={
'event': 'STOPPED',
'host_status': 'NORMAL',
'cluster_status': 'ONLINE'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW,
status="running",
notification_uuid=uuidsentinel.fake_notification)
def test_process_notification_reserved_host_failure(
self, mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj):
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_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)
def setUp(self, mock_rpc):
super(NotificationAPITestCase, self).setUp()
self.notification_api = ha_api.NotificationAPI()
self.req = fakes.HTTPRequest.blank('/v1/notifications',
use_admin_context=True)
self.context = self.req.environ['masakari.context']
self.failover_segment = fakes_data.create_fake_failover_segment(
name="segment1",
id=1,
description="something",
service_type="COMPUTE",
recovery_method="auto",
uuid=uuidsentinel.fake_segment)
self.host = fakes_data.create_fake_host(
name="host_1",
id=1,
reserved=False,
on_maintenance=False,
type="fake",
control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1)
self.notification = fakes_data.create_fake_notification(
type="VM",
id=1,
payload={
'event': 'STOPPED',
'host_status': 'NORMAL',
'cluster_status': 'ONLINE'
},
source_host_uuid=uuidsentinel.fake_host,
generated_time=NOW,
status="running",
notification_uuid=uuidsentinel.fake_notification)
self.exception_duplicate = exception.DuplicateNotification(
host='host_1', type='COMPUTE_HOST')
def test_host_failure_flow_for_reserved_host_recovery(
self, _mock_novaclient):
_mock_novaclient.return_value = self.fake_client
self.override_config("evacuate_all_instances",
True, "host_failure")
self.override_config("add_reserved_host_to_aggregate",
True, "host_failure")
# create test data
self.fake_client.servers.create(id="1", host=self.instance_host,
ha_enabled=True)
self.fake_client.servers.create(id="2", host=self.instance_host)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(id="1", name='fake_agg',
hosts=[self.instance_host])
# execute DisableComputeServiceTask
self._test_disable_compute_service()
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list()
# execute EvacuateInstancesTask
with mock.patch.object(host_obj.Host, "save") as mock_save:
instance_list = self._evacuate_instances(
instance_list, reserved_host=reserved_host)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
# execute ConfirmEvacuationTask
self._test_confirm_evacuate_task(instance_list)
def test_process_notification_reserved_host_failure(
self, mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj):
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_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)
def test_host_failure_flow_for_reserved_host_recovery(
self, _mock_novaclient, mock_unlock, mock_lock,
mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
self.override_config("evacuate_all_instances",
True, "host_failure")
self.override_config("add_reserved_host_to_aggregate",
True, "host_failure")
# create test data
self.fake_client.servers.create(id="1", host=self.instance_host,
ha_enabled=True)
self.fake_client.servers.create(id="2", host=self.instance_host)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(id="1", name='fake_agg',
hosts=[self.instance_host])
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(2)
# execute EvacuateInstancesTask
with mock.patch.object(host_obj.Host, "save") as mock_save:
self._evacuate_instances(
instance_list, mock_enable_disable,
reserved_host=reserved_host)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
def test_process_notification_type_compute_host_event_stopped(
self, 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)
def test_host_failure_flow_for_RH_recovery(
self, _mock_notify, _mock_novaclient, mock_unlock, mock_lock,
mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
self.override_config("evacuate_all_instances",
True, "host_failure")
self.override_config("add_reserved_host_to_aggregate",
True, "host_failure")
# create test data
self.fake_client.servers.create(id="1", host=self.instance_host,
ha_enabled=True)
self.fake_client.servers.create(id="2", host=self.instance_host)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(id="1", name='fake_agg',
hosts=[self.instance_host])
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(2)
# execute EvacuateInstancesTask
with mock.patch.object(manager, "update_host_method") as mock_save:
self._evacuate_instances(
instance_list, mock_enable_disable,
reserved_host=reserved_host.name)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
# 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('Preparing instances for evacuation'),
mock.call("Total instances running on failed host 'fake-host' is 2"
"", 0.3),
mock.call("Total HA Enabled instances count: '1'", 0.6),
mock.call("Total Non-HA Enabled instances count: '1'", 0.7),
mock.call("All instances (HA Enabled/Non-HA Enabled) should be "
"considered for evacuation. Total count is: '2'", 0.8),
mock.call("Instances to be evacuated are: '1,2'", 1.0),
mock.call("Start evacuation of instances from failed host "
"'fake-host', instance uuids are: '1,2'"),
mock.call("Enabling reserved host: 'fake-reserved-host'", 0.1),
mock.call('Add host fake-reserved-host to aggregate fake_agg',
0.2),
mock.call('Added host fake-reserved-host to aggregate fake_agg',
0.3),
mock.call("Evacuation of instance started: '1'", 0.5),
mock.call("Evacuation of instance started: '2'", 0.5),
mock.call("Successfully evacuate instances '1,2' from host "
"'fake-host'", 0.7),
mock.call('Evacuation process completed!', 1.0)
])
def test_host_failure_flow_ignores_conflict_error(
self, mock_log, _mock_notify, _mock_novaclient, mock_add_host,
mock_unlock, mock_lock, mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
mock_add_host.side_effect = exception.Conflict
self.override_config("add_reserved_host_to_aggregate",
True, "host_failure")
# create test data
self.fake_client.servers.create(id="1", host=self.instance_host,
ha_enabled=True)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(id="1", name='fake_agg',
hosts=[self.instance_host,
reserved_host.name])
expected_msg_format = ("Host '%(reserved_host)s' already has been "
"added to aggregate '%(aggregate)s'.") % {
'reserved_host': 'fake-reserved-host', 'aggregate': 'fake_agg'
}
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(1)
# execute EvacuateInstancesTask
with mock.patch.object(manager, "update_host_method") as mock_save:
self._evacuate_instances(
instance_list, mock_enable_disable,
reserved_host=reserved_host.name)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
mock_log.info.assert_any_call(expected_msg_format)
# 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('Preparing instances for evacuation'),
mock.call("Total instances running on failed host 'fake-host' is 1"
"", 0.3),
mock.call("Total HA Enabled instances count: '1'", 0.6),
mock.call("Instances to be evacuated are: '1'", 1.0),
mock.call("Start evacuation of instances from failed host "
"'fake-host', instance uuids are: '1'"),
mock.call("Enabling reserved host: 'fake-reserved-host'", 0.1),
mock.call('Add host fake-reserved-host to aggregate fake_agg',
0.2),
mock.call("Host 'fake-reserved-host' already has been added to "
"aggregate 'fake_agg'.", 1.0),
mock.call("Evacuation of instance started: '1'", 0.5),
mock.call("Successfully evacuate instances '1' from host "
"'fake-host'", 0.7),
mock.call('Evacuation process completed!', 1.0)
])
def test_process_notification_type_process_event_started(
self, mock_process_failure, mock_notification_save,
mock_host_save, mock_host_obj):
notification = self._get_process_type_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)
def test_process_notification_type_process_recovery_failure(
self, mock_notification_save, mock_process_failure,
mock_host_save, mock_host_obj):
notification = self._get_process_type_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)
def test_process_notification_type_process_event_started(
self, mock_process_failure, mock_notification_save, mock_host_save,
mock_host_obj):
notification = self._get_process_type_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)
def test_process_notification_type_process_recovery_failure(
self, mock_notification_save, mock_process_failure, mock_host_save,
mock_host_obj):
notification = self._get_process_type_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)
def test_process_notification_type_process_skip_recovery(
self, 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
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)
def setUp(self):
super(HostTestCase, self).setUp()
self._set_up()
self.failover_segment = fakes_data.create_fake_failover_segment(
name="segment1", id=1, description="failover_segment for compute",
service_type="COMPUTE", recovery_method="auto",
uuid=uuidsentinel.fake_segment
)
self.host = fakes_data.create_fake_host(
name="host_1", id=1, reserved=False, on_maintenance=False,
type="fake", control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1,
failover_segment=self.failover_segment
)
self.host_2 = fakes_data.create_fake_host(
name="host_2", id=2, reserved=False, on_maintenance=False,
type="fake", control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_2,
failover_segment=self.failover_segment
)
self.host_list = [self.host, self.host_2]
self.host_list_obj = _make_hosts_list(self.host_list)
def test_process_notification_type_process_event_stopped(
self, mock_notification_save, mock_process_failure, mock_host_save,
mock_host_obj):
notification = self._get_process_type_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)
def test_process_notification_type_process_event_stopped(
self, mock_notification_save, mock_process_failure,
mock_host_save, mock_host_obj):
notification = self._get_process_type_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)
def test_get_all(self, mock_get, mock_get_all):
mock_get.return_value = self.failover_segment
fake_host = fakes_data.create_fake_host(
name="host_2", id=2, reserved=False, on_maintenance=False,
type="fake", control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_2,
failover_segment_id=uuidsentinel.fake_segment1
)
fake_host_list = [self.host, fake_host]
mock_get_all.return_value = fake_host_list
result = self.host_api.get_all(self.context,
filters=None, sort_keys=['created_at'],
sort_dirs=['desc'], limit=None,
marker=None)
for i in range(len(result)):
self._assert_host_data(
fake_host_list[i], _make_host_obj(result[i]))
def test_process_notification_type_compute_host_recovery_exception(
self, mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj):
notification = self._get_compute_host_type_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)
def test_process_notification_type_compute_host_recovery_exception(
self, mock_notification_save, mock_host_failure, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj):
notification = self._get_compute_host_type_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)
def setUp(self):
super(HostAPITestCase, self).setUp()
self.host_api = ha_api.HostAPI()
self.req = fakes.HTTPRequest.blank(
'/v1/segments/%s/hosts' % uuidsentinel.fake_segment,
use_admin_context=True)
self.context = self.req.environ['masakari.context']
self.failover_segment = fakes_data.create_fake_failover_segment(
name="segment1", id=1, description="something",
service_type="COMPUTE", recovery_method="auto",
uuid=uuidsentinel.fake_segment
)
self.host = fakes_data.create_fake_host(
name="host_1", id=1, reserved=False, on_maintenance=False,
type="fake", control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1,
failover_segment_id=uuidsentinel.fake_segment1
)
def test_host_failure_flow_ignores_conflict_error(self, mock_log,
_mock_novaclient,
mock_add_host,
mock_unlock, mock_lock,
mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
mock_add_host.side_effect = exception.Conflict
self.override_config("add_reserved_host_to_aggregate", True,
"host_failure")
# create test data
self.fake_client.servers.create(id="1",
host=self.instance_host,
ha_enabled=True)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(
id="1",
name='fake_agg',
hosts=[self.instance_host, reserved_host.name])
expected_msg_format = "Host '%(reserved_host)s' already has been " \
"added to aggregate '%(aggregate)s'."
expected_msg_params = {
'aggregate': 'fake_agg',
'reserved_host': u'fake-reserved-host'
}
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(1)
# execute EvacuateInstancesTask
with mock.patch.object(host_obj.Host, "save") as mock_save:
self._evacuate_instances(instance_list,
mock_enable_disable,
reserved_host=reserved_host)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
mock_log.info.assert_any_call(expected_msg_format,
expected_msg_params)
def test_process_notification_host_failure_without_reserved_hosts(
self, mock_notification_save, mock_get_all,
mock_host_update, mock_host_save, mock_host_obj):
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()
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)
def test_process_notification_host_failure_without_reserved_hosts(
self, mock_notification_save, mock_get_all, mock_host_update,
mock_host_save, mock_host_obj):
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()
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)
def setUp(self, mock_rpc):
super(NotificationAPITestCase, self).setUp()
self.notification_api = ha_api.NotificationAPI()
self.req = fakes.HTTPRequest.blank('/v1/notifications',
use_admin_context=True)
self.context = self.req.environ['masakari.context']
self.host = fakes_data.create_fake_host(
name="host_1", id=1, reserved=False, on_maintenance=False,
type="fake", control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1,
failover_segment_id=uuidsentinel.fake_segment1
)
self.notification = fakes_data.create_fake_notification(
type="VM", id=1, payload={
'event': 'STOPPED', 'host_status': 'NORMAL',
'cluster_status': 'ONLINE'
},
source_host_uuid=uuidsentinel.fake_host, generated_time=NOW,
status="running",
notification_uuid=uuidsentinel.fake_notification
)
def test_get_all(self, mock_get, mock_get_all):
mock_get.return_value = self.failover_segment
fake_host = fakes_data.create_fake_host(
name="host_2",
id=2,
reserved=False,
on_maintenance=False,
type="fake",
control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_2)
fake_host_list = [self.host, fake_host]
mock_get_all.return_value = fake_host_list
result = self.host_api.get_all(self.context,
filters=None,
sort_keys=['created_at'],
sort_dirs=['desc'],
limit=None,
marker=None)
for i in range(len(result)):
self._assert_host_data(fake_host_list[i],
_make_host_obj(result[i]))
def setUp(self):
super(HostAPITestCase, self).setUp()
self.host_api = ha_api.HostAPI()
self.req = fakes.HTTPRequest.blank('/v1/segments/%s/hosts' %
uuidsentinel.fake_segment,
use_admin_context=True)
self.context = self.req.environ['masakari.context']
self.failover_segment = fakes_data.create_fake_failover_segment(
name="segment1",
id=1,
description="something",
service_type="COMPUTE",
recovery_method="auto",
uuid=uuidsentinel.fake_segment)
self.host = fakes_data.create_fake_host(
name="host_1",
id=1,
reserved=False,
on_maintenance=False,
type="fake",
control_attributes="fake-control_attributes",
uuid=uuidsentinel.fake_host_1,
failover_segment_id=uuidsentinel.fake_segment1)
def test_host_failure_flow_for_RH_recovery(self, _mock_notify,
_mock_novaclient, mock_unlock,
mock_lock, mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
self.override_config("evacuate_all_instances", True, "host_failure")
self.override_config("add_reserved_host_to_aggregate", True,
"host_failure")
# create test data
self.fake_client.servers.create(id="1",
host=self.instance_host,
ha_enabled=True)
self.fake_client.servers.create(id="2", host=self.instance_host)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(id="1",
name='fake_agg',
hosts=[self.instance_host])
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(2)
# execute EvacuateInstancesTask
with mock.patch.object(manager, "update_host_method") as mock_save:
self._evacuate_instances(instance_list,
mock_enable_disable,
reserved_host=reserved_host.name)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
# 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('Preparing instances for evacuation'),
mock.call(
"Total instances running on failed host 'fake-host' is 2"
"", 0.3),
mock.call("Total HA Enabled instances count: '1'", 0.6),
mock.call("Total Non-HA Enabled instances count: '1'", 0.7),
mock.call(
"All instances (HA Enabled/Non-HA Enabled) should be "
"considered for evacuation. Total count is: '2'", 0.8),
mock.call("Instances to be evacuated are: '1,2'", 1.0),
mock.call("Start evacuation of instances from failed host "
"'fake-host', instance uuids are: '1,2'"),
mock.call("Enabling reserved host: 'fake-reserved-host'", 0.1),
mock.call('Add host fake-reserved-host to aggregate fake_agg',
0.2),
mock.call('Added host fake-reserved-host to aggregate fake_agg',
0.3),
mock.call("Evacuation of instance started: '1'", 0.5),
mock.call("Evacuation of instance started: '2'", 0.5),
mock.call(
"Successfully evacuate instances '1,2' from host "
"'fake-host'", 0.7),
mock.call('Evacuation process completed!', 1.0)
])
def test_host_failure_flow_ignores_conflict_error(
self, mock_log, _mock_notify, _mock_novaclient, mock_add_host,
mock_unlock, mock_lock, mock_enable_disable):
_mock_novaclient.return_value = self.fake_client
mock_add_host.side_effect = exception.Conflict
self.override_config("add_reserved_host_to_aggregate", True,
"host_failure")
# create test data
self.fake_client.servers.create(id="1",
host=self.instance_host,
ha_enabled=True)
reserved_host = fakes.create_fake_host(name="fake-reserved-host",
reserved=True)
self.fake_client.aggregates.create(
id="1",
name='fake_agg',
hosts=[self.instance_host, reserved_host.name])
expected_msg_format = ("Host '%(reserved_host)s' already has been "
"added to aggregate '%(aggregate)s'.") % {
'reserved_host': 'fake-reserved-host',
'aggregate': 'fake_agg'
}
# execute DisableComputeServiceTask
self._test_disable_compute_service(mock_enable_disable)
# execute PrepareHAEnabledInstancesTask
instance_list = self._test_instance_list(1)
# execute EvacuateInstancesTask
with mock.patch.object(manager, "update_host_method") as mock_save:
self._evacuate_instances(instance_list,
mock_enable_disable,
reserved_host=reserved_host.name)
self.assertEqual(1, mock_save.call_count)
self.assertIn(reserved_host.name,
self.fake_client.aggregates.get('1').hosts)
mock_log.info.assert_any_call(expected_msg_format)
# 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('Preparing instances for evacuation'),
mock.call(
"Total instances running on failed host 'fake-host' is 1"
"", 0.3),
mock.call("Total HA Enabled instances count: '1'", 0.6),
mock.call("Instances to be evacuated are: '1'", 1.0),
mock.call("Start evacuation of instances from failed host "
"'fake-host', instance uuids are: '1'"),
mock.call("Enabling reserved host: 'fake-reserved-host'", 0.1),
mock.call('Add host fake-reserved-host to aggregate fake_agg',
0.2),
mock.call(
"Host 'fake-reserved-host' already has been added to "
"aggregate 'fake_agg'.", 1.0),
mock.call("Evacuation of instance started: '1'", 0.5),
mock.call(
"Successfully evacuate instances '1' from host "
"'fake-host'", 0.7),
mock.call('Evacuation process completed!', 1.0)
])
