Shared filesystem management project for OpenStack.
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# Copyright (c) 2015 Alex Meade. 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 copy
import time
from unittest import mock
import ddt
from oslo_config import cfg
from manila import exception
from manila.share import configuration
from manila.share import driver
from manila.share.drivers.netapp.dataontap.client import api as netapp_api
from manila.share.drivers.netapp.dataontap.client import client_cmode
from manila.share.drivers.netapp.dataontap.cluster_mode import data_motion
from manila.share.drivers.netapp import options as na_opts
from manila import test
from manila.tests.share.drivers.netapp.dataontap import fakes as fake
from manila.tests.share.drivers.netapp import fakes as na_fakes
CONF = cfg.CONF
@ddt.ddt
class NetAppCDOTDataMotionTestCase(test.TestCase):
def setUp(self):
super(NetAppCDOTDataMotionTestCase, self).setUp()
self.backend = 'backend1'
self.mock_cmode_client = self.mock_object(client_cmode,
"NetAppCmodeClient",
mock.Mock())
self.config = configuration.Configuration(driver.share_opts,
config_group=self.backend)
self.config.append_config_values(na_opts.netapp_cluster_opts)
self.config.append_config_values(na_opts.netapp_connection_opts)
self.config.append_config_values(na_opts.netapp_basicauth_opts)
self.config.append_config_values(na_opts.netapp_transport_opts)
self.config.append_config_values(na_opts.netapp_support_opts)
self.config.append_config_values(na_opts.netapp_provisioning_opts)
self.config.append_config_values(na_opts.netapp_data_motion_opts)
CONF.set_override("share_backend_name", self.backend,
group=self.backend)
CONF.set_override("netapp_transport_type", "https",
group=self.backend)
CONF.set_override("netapp_login", "fake_user",
group=self.backend)
CONF.set_override("netapp_password", "fake_password",
group=self.backend)
CONF.set_override("netapp_server_hostname", "fake.hostname",
group=self.backend)
CONF.set_override("netapp_server_port", 8866,
group=self.backend)
CONF.set_override("netapp_ssl_cert_path", "/etc/ssl/certs",
group=self.backend)
def test_get_client_for_backend(self):
self.mock_object(data_motion, "get_backend_configuration",
mock.Mock(return_value=self.config))
data_motion.get_client_for_backend(self.backend)
self.mock_cmode_client.assert_called_once_with(
hostname='fake.hostname', password='fake_password',
username='fake_user', transport_type='https', port=8866,
ssl_cert_path='/etc/ssl/certs', trace=mock.ANY, vserver=None)
def test_get_client_for_backend_with_vserver(self):
self.mock_object(data_motion, "get_backend_configuration",
mock.Mock(return_value=self.config))
CONF.set_override("netapp_vserver", 'fake_vserver',
group=self.backend)
data_motion.get_client_for_backend(self.backend)
self.mock_cmode_client.assert_called_once_with(
hostname='fake.hostname', password='fake_password',
username='fake_user', transport_type='https', port=8866,
ssl_cert_path='/etc/ssl/certs', trace=mock.ANY,
vserver='fake_vserver')
def test_get_config_for_backend(self):
self.mock_object(data_motion, "CONF")
CONF.set_override("netapp_vserver", 'fake_vserver',
group=self.backend)
data_motion.CONF.list_all_sections.return_value = [self.backend]
config = data_motion.get_backend_configuration(self.backend)
self.assertEqual('fake_vserver', config.netapp_vserver)
def test_get_config_for_backend_different_backend_name(self):
self.mock_object(data_motion, "CONF")
CONF.set_override("netapp_vserver", 'fake_vserver',
group=self.backend)
CONF.set_override("share_backend_name", "fake_backend_name",
group=self.backend)
data_motion.CONF.list_all_sections.return_value = [self.backend]
config = data_motion.get_backend_configuration(self.backend)
self.assertEqual('fake_vserver', config.netapp_vserver)
self.assertEqual('fake_backend_name', config.share_backend_name)
@ddt.data([], ['fake_backend1', 'fake_backend2'])
def test_get_config_for_backend_not_configured(self, conf_sections):
self.mock_object(data_motion, "CONF")
data_motion.CONF.list_all_sections.return_value = conf_sections
self.assertRaises(exception.BadConfigurationException,
data_motion.get_backend_configuration,
self.backend)
@ddt.ddt
class NetAppCDOTDataMotionSessionTestCase(test.TestCase):
def setUp(self):
super(NetAppCDOTDataMotionSessionTestCase, self).setUp()
self.source_backend = 'backend1'
self.dest_backend = 'backend2'
config = configuration.Configuration(driver.share_opts,
config_group=self.source_backend)
config.append_config_values(na_opts.netapp_cluster_opts)
config.append_config_values(na_opts.netapp_connection_opts)
config.append_config_values(na_opts.netapp_basicauth_opts)
config.append_config_values(na_opts.netapp_transport_opts)
config.append_config_values(na_opts.netapp_support_opts)
config.append_config_values(na_opts.netapp_provisioning_opts)
config.append_config_values(na_opts.netapp_data_motion_opts)
self.mock_object(data_motion, "get_backend_configuration",
mock.Mock(return_value=config))
self.mock_cmode_client = self.mock_object(client_cmode,
"NetAppCmodeClient",
mock.Mock())
self.dm_session = data_motion.DataMotionSession()
self.fake_src_share = copy.deepcopy(fake.SHARE)
self.fake_src_share_server = copy.deepcopy(fake.SHARE_SERVER)
self.source_vserver = 'source_vserver'
self.fake_src_share_server['backend_details']['vserver_name'] = (
self.source_vserver
)
self.fake_src_share['share_server'] = self.fake_src_share_server
self.fake_src_share['id'] = 'c02d497a-236c-4852-812a-0d39373e312a'
self.fake_src_vol_name = 'share_c02d497a_236c_4852_812a_0d39373e312a'
self.fake_dest_share = copy.deepcopy(fake.SHARE)
self.fake_dest_share_server = copy.deepcopy(fake.SHARE_SERVER)
self.dest_vserver = 'dest_vserver'
self.fake_dest_share_server['backend_details']['vserver_name'] = (
self.dest_vserver
)
self.fake_dest_share['share_server'] = self.fake_dest_share_server
self.fake_dest_share['id'] = '34fbaf57-745d-460f-8270-3378c2945e30'
self.fake_dest_vol_name = 'share_34fbaf57_745d_460f_8270_3378c2945e30'
self.mock_src_client = mock.Mock()
self.mock_dest_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[self.mock_dest_client,
self.mock_src_client]))
def test_create_snapmirror(self):
mock_dest_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(return_value=mock_dest_client))
self.dm_session.create_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.create_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, schedule='hourly'
)
mock_dest_client.initialize_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
def test_delete_snapmirror(self):
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
mock_src_client]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
mock_src_client.release_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
def test_delete_snapmirror_does_not_exist(self):
"""Ensure delete succeeds when the snapmirror does not exist."""
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
mock_dest_client.abort_snapmirror.side_effect = netapp_api.NaApiError(
code=netapp_api.EAPIERROR
)
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
mock_src_client]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
mock_src_client.release_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
def test_delete_snapmirror_error_deleting(self):
"""Ensure delete succeeds when the snapmirror does not exist."""
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
mock_dest_client.delete_snapmirror.side_effect = netapp_api.NaApiError(
code=netapp_api.ESOURCE_IS_DIFFERENT
)
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
mock_src_client]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
mock_src_client.release_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
def test_delete_snapmirror_error_releasing(self):
"""Ensure delete succeeds when the snapmirror does not exist."""
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
mock_src_client.release_snapmirror.side_effect = (
netapp_api.NaApiError(code=netapp_api.EOBJECTNOTFOUND))
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
mock_src_client]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
mock_src_client.release_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
def test_delete_snapmirror_without_release(self):
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
mock_src_client]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share,
release=False)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
self.assertFalse(mock_src_client.release_snapmirror.called)
def test_delete_snapmirror_source_unreachable(self):
mock_src_client = mock.Mock()
mock_dest_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[mock_dest_client,
Exception]))
self.dm_session.delete_snapmirror(self.fake_src_share,
self.fake_dest_share)
mock_dest_client.abort_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name, clear_checkpoint=False
)
mock_dest_client.delete_snapmirror.assert_called_once_with(
mock.ANY, self.fake_src_vol_name, mock.ANY,
self.fake_dest_vol_name
)
self.assertFalse(mock_src_client.release_snapmirror.called)
def test_break_snapmirror(self):
self.mock_object(self.dm_session, 'quiesce_then_abort')
self.dm_session.break_snapmirror(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.break_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
self.dm_session.quiesce_then_abort.assert_called_once_with(
self.fake_src_share, self.fake_dest_share)
self.mock_dest_client.mount_volume.assert_called_once_with(
self.fake_dest_vol_name)
def test_break_snapmirror_no_mount(self):
self.mock_object(self.dm_session, 'quiesce_then_abort')
self.dm_session.break_snapmirror(self.fake_src_share,
self.fake_dest_share,
mount=False)
self.mock_dest_client.break_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
self.dm_session.quiesce_then_abort.assert_called_once_with(
self.fake_src_share, self.fake_dest_share)
self.assertFalse(self.mock_dest_client.mount_volume.called)
def test_break_snapmirror_wait_for_quiesced(self):
self.mock_object(self.dm_session, 'quiesce_then_abort')
self.dm_session.break_snapmirror(self.fake_src_share,
self.fake_dest_share)
self.dm_session.quiesce_then_abort.assert_called_once_with(
self.fake_src_share, self.fake_dest_share)
self.mock_dest_client.break_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
self.mock_dest_client.mount_volume.assert_called_once_with(
self.fake_dest_vol_name)
def test_quiesce_then_abort_timeout(self):
self.mock_object(time, 'sleep')
mock_get_snapmirrors = mock.Mock(
return_value=[{'relationship-status': "transferring"}])
self.mock_object(self.mock_dest_client, 'get_snapmirrors',
mock_get_snapmirrors)
mock_backend_config = na_fakes.create_configuration()
mock_backend_config.netapp_snapmirror_quiesce_timeout = 10
self.mock_object(data_motion, 'get_backend_configuration',
mock.Mock(return_value=mock_backend_config))
self.dm_session.quiesce_then_abort(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.get_snapmirrors.assert_called_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name,
desired_attributes=['relationship-status', 'mirror-state']
)
self.assertEqual(2, self.mock_dest_client.get_snapmirrors.call_count)
self.mock_dest_client.quiesce_snapmirror.assert_called_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
self.mock_dest_client.abort_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name,
clear_checkpoint=False
)
def test_quiesce_then_abort_wait_for_quiesced(self):
self.mock_object(time, 'sleep')
self.mock_object(self.mock_dest_client, 'get_snapmirrors',
mock.Mock(side_effect=[
[{'relationship-status': "transferring"}],
[{'relationship-status': "quiesced"}]]))
self.dm_session.quiesce_then_abort(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.get_snapmirrors.assert_called_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name,
desired_attributes=['relationship-status', 'mirror-state']
)
self.assertEqual(2, self.mock_dest_client.get_snapmirrors.call_count)
self.mock_dest_client.quiesce_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
def test_resync_snapmirror(self):
self.dm_session.resync_snapmirror(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.resync_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
def test_change_snapmirror_source(self):
fake_new_src_share = copy.deepcopy(fake.SHARE)
fake_new_src_share['id'] = 'd02d497a-236c-4852-812a-0d39373e312a'
fake_new_src_share_name = 'share_d02d497a_236c_4852_812a_0d39373e312a'
mock_new_src_client = mock.Mock()
self.mock_object(self.dm_session, 'delete_snapmirror')
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[self.mock_dest_client,
self.mock_src_client,
self.mock_dest_client,
mock_new_src_client]))
self.dm_session.change_snapmirror_source(
self.fake_dest_share, self.fake_src_share, fake_new_src_share,
[self.fake_dest_share, self.fake_src_share, fake_new_src_share])
self.assertFalse(self.mock_src_client.release_snapmirror.called)
self.assertEqual(4, self.dm_session.delete_snapmirror.call_count)
self.dm_session.delete_snapmirror.assert_called_with(
mock.ANY, mock.ANY, release=False
)
self.mock_dest_client.create_snapmirror.assert_called_once_with(
mock.ANY, fake_new_src_share_name, mock.ANY,
self.fake_dest_vol_name, schedule='hourly'
)
self.mock_dest_client.resync_snapmirror.assert_called_once_with(
mock.ANY, fake_new_src_share_name, mock.ANY,
self.fake_dest_vol_name
)
def test_change_snapmirror_source_dhss_true(self):
fake_new_src_share = copy.deepcopy(self.fake_src_share)
fake_new_src_share['id'] = 'd02d497a-236c-4852-812a-0d39373e312a'
fake_new_src_share_name = 'share_d02d497a_236c_4852_812a_0d39373e312a'
fake_new_src_share_server = fake_new_src_share['share_server']
fake_new_src_ss_name = (
fake_new_src_share_server['backend_details']['vserver_name'])
self.mock_object(self.dm_session, 'delete_snapmirror')
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(side_effect=[self.mock_dest_client,
self.mock_src_client]))
mock_backend_config = na_fakes.create_configuration()
mock_backend_config.driver_handles_share_servers = True
self.mock_object(data_motion, 'get_backend_configuration',
mock.Mock(return_value=mock_backend_config))
self.mock_object(self.mock_dest_client, 'get_vserver_peers',
mock.Mock(return_value=[]))
peer_cluster_name = 'new_src_cluster_name'
self.mock_object(self.mock_src_client, 'get_cluster_name',
mock.Mock(return_value=peer_cluster_name))
self.dm_session.change_snapmirror_source(
self.fake_dest_share, self.fake_src_share, fake_new_src_share,
[self.fake_dest_share, self.fake_src_share, fake_new_src_share])
self.assertEqual(4, self.dm_session.delete_snapmirror.call_count)
self.mock_dest_client.get_vserver_peers.assert_called_once_with(
self.dest_vserver, fake_new_src_ss_name
)
self.assertTrue(self.mock_src_client.get_cluster_name.called)
self.mock_dest_client.create_vserver_peer.assert_called_once_with(
self.dest_vserver, fake_new_src_ss_name,
peer_cluster_name=peer_cluster_name
)
self.mock_src_client.accept_vserver_peer.assert_called_once_with(
fake_new_src_ss_name, self.dest_vserver
)
self.dm_session.delete_snapmirror.assert_called_with(
mock.ANY, mock.ANY, release=False
)
self.mock_dest_client.create_snapmirror.assert_called_once_with(
mock.ANY, fake_new_src_share_name, mock.ANY,
self.fake_dest_vol_name, schedule='hourly'
)
self.mock_dest_client.resync_snapmirror.assert_called_once_with(
mock.ANY, fake_new_src_share_name, mock.ANY,
self.fake_dest_vol_name
)
def test_get_snapmirrors(self):
self.mock_object(self.mock_dest_client, 'get_snapmirrors')
self.dm_session.get_snapmirrors(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.get_snapmirrors.assert_called_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name,
desired_attributes=['relationship-status',
'mirror-state',
'source-vserver',
'source-volume',
'last-transfer-end-timestamp']
)
self.assertEqual(1, self.mock_dest_client.get_snapmirrors.call_count)
def test_update_snapmirror(self):
self.mock_object(self.mock_dest_client, 'get_snapmirrors')
self.dm_session.update_snapmirror(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.update_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
def test_resume_snapmirror(self):
self.mock_object(self.mock_dest_client, 'get_snapmirrors')
self.dm_session.resume_snapmirror(self.fake_src_share,
self.fake_dest_share)
self.mock_dest_client.resume_snapmirror.assert_called_once_with(
self.source_vserver, self.fake_src_vol_name,
self.dest_vserver, self.fake_dest_vol_name)
@ddt.data((None, exception.StorageCommunicationException),
(exception.StorageCommunicationException, None))
@ddt.unpack
def test_remove_qos_on_old_active_replica_unreachable_backend(self,
side_eff_1,
side_eff_2):
mock_source_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(return_value=mock_source_client))
self.mock_object(
mock_source_client, 'set_qos_policy_group_for_volume',
mock.Mock(side_effect=side_eff_1))
self.mock_object(
mock_source_client, 'mark_qos_policy_group_for_deletion',
mock.Mock(side_effect=side_eff_2))
self.mock_object(data_motion.LOG, 'exception')
retval = self.dm_session.remove_qos_on_old_active_replica(
self.fake_src_share)
self.assertIsNone(retval)
(mock_source_client.set_qos_policy_group_for_volume
.assert_called_once_with(self.fake_src_vol_name, 'none'))
data_motion.LOG.exception.assert_called_once()
def test_remove_qos_on_old_active_replica(self):
mock_source_client = mock.Mock()
self.mock_object(data_motion, 'get_client_for_backend',
mock.Mock(return_value=mock_source_client))
self.mock_object(data_motion.LOG, 'exception')
retval = self.dm_session.remove_qos_on_old_active_replica(
self.fake_src_share)
self.assertIsNone(retval)
(mock_source_client.set_qos_policy_group_for_volume
.assert_called_once_with(self.fake_src_vol_name, 'none'))
data_motion.LOG.exception.assert_not_called()