122 lines
5.2 KiB
Python
122 lines
5.2 KiB
Python
# Copyright (c) 2021 Dell Inc. or its subsidiaries.
|
|
# 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.
|
|
|
|
from unittest import mock
|
|
|
|
from cinder import exception
|
|
from cinder.objects import fields
|
|
from cinder.tests.unit import fake_volume
|
|
from cinder.tests.unit.volume.drivers.dell_emc import powerstore
|
|
from cinder.volume.drivers.dell_emc.powerstore import client
|
|
|
|
|
|
class TestReplication(powerstore.TestPowerStoreDriver):
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.get_chap_config")
|
|
def setUp(self, mock_chap):
|
|
super(TestReplication, self).setUp()
|
|
self.replication_backend_id = "repl_1"
|
|
replication_device = [
|
|
{
|
|
"backend_id": self.replication_backend_id,
|
|
"san_ip": "127.0.0.2",
|
|
"san_login": "test_1",
|
|
"san_password": "test_2"
|
|
}
|
|
]
|
|
self._override_shared_conf("replication_device",
|
|
override=replication_device)
|
|
self.driver.do_setup({})
|
|
self.driver.check_for_setup_error()
|
|
self.volume = fake_volume.fake_volume_obj(
|
|
self.context,
|
|
host="host@backend",
|
|
provider_id="fake_id",
|
|
size=8,
|
|
replication_status="enabled"
|
|
)
|
|
|
|
def test_failover_host_no_volumes(self):
|
|
self.driver.failover_host({}, [], self.replication_backend_id)
|
|
self.assertEqual(self.replication_backend_id,
|
|
self.driver.active_backend_id)
|
|
|
|
def test_failover_host_invalid_secondary_id(self):
|
|
error = self.assertRaises(exception.InvalidReplicationTarget,
|
|
self.driver.failover_host,
|
|
{}, [], "invalid_id")
|
|
self.assertIn("is not a valid choice", error.msg)
|
|
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.wait_for_failover_completion")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.failover_volume_replication_session")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.get_volume_replication_session_id")
|
|
def test_failover_volume(self,
|
|
mock_rep_session,
|
|
mock_failover,
|
|
mock_wait_failover):
|
|
updates = self.driver.adapter.failover_volume(self.volume,
|
|
is_failback=False)
|
|
self.assertIsNone(updates)
|
|
|
|
@mock.patch("requests.request")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.failover_volume_replication_session")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.get_volume_replication_session_id")
|
|
def test_failover_volume_already_failed_over(self,
|
|
mock_rep_session,
|
|
mock_failover,
|
|
mock_wait_failover):
|
|
mock_wait_failover.return_value = powerstore.MockResponse(
|
|
content={
|
|
"response_body": {
|
|
"messages": [
|
|
{
|
|
"code": client.SESSION_ALREADY_FAILED_OVER_ERROR,
|
|
},
|
|
],
|
|
},
|
|
},
|
|
rc=200
|
|
)
|
|
updates = self.driver.adapter.failover_volume(self.volume,
|
|
is_failback=False)
|
|
self.assertIsNone(updates)
|
|
|
|
@mock.patch("requests.request")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.failover_volume_replication_session")
|
|
@mock.patch("cinder.volume.drivers.dell_emc.powerstore.client."
|
|
"PowerStoreClient.get_volume_replication_session_id")
|
|
def test_failover_volume_failover_error(self,
|
|
mock_rep_session,
|
|
mock_failover,
|
|
mock_wait_failover):
|
|
mock_wait_failover.return_value = powerstore.MockResponse(
|
|
content={
|
|
"state": "FAILED",
|
|
"response_body": None,
|
|
},
|
|
rc=200
|
|
)
|
|
updates = self.driver.adapter.failover_volume(self.volume,
|
|
is_failback=False)
|
|
self.assertEqual(self.volume.id, updates["volume_id"])
|
|
self.assertEqual(fields.ReplicationStatus.FAILOVER_ERROR,
|
|
updates["updates"]["replication_status"])
|