193 lines
7.5 KiB
Python
193 lines
7.5 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from cinderclient.v1 import volumes as vol_v1
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from cinderclient.v2 import volumes as vol_v2
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from cinderclient.v3 import volumes as vol_v3
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import mock
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from sahara import exceptions as ex
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from sahara.service import volumes
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from sahara.tests.unit import base
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class TestAttachVolume(base.SaharaWithDbTestCase):
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@mock.patch('sahara.service.engine.Engine.get_node_group_image_username')
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def test_mount_volume(self, p_get_username):
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p_get_username.return_value = 'root'
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instance = self._get_instance()
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execute_com = instance.remote().execute_command
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self.assertIsNone(volumes._mount_volume(instance, '123', '456',
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False))
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self.assertEqual(3, execute_com.call_count)
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execute_com.side_effect = ex.RemoteCommandException('cmd')
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self.assertRaises(ex.RemoteCommandException, volumes._mount_volume,
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instance, '123', '456', False)
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@mock.patch('sahara.conductor.manager.ConductorManager.cluster_get')
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@mock.patch('cinderclient.v1.volumes.Volume.delete')
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@mock.patch('cinderclient.v1.volumes.Volume.detach')
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@mock.patch('sahara.utils.openstack.cinder.get_volume')
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def test_detach_volumes(self, p_get_volume, p_detach, p_delete, p_cond):
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class Instance(object):
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def __init__(self):
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self.instance_id = '123454321'
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self.volumes = [123]
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self.instance_name = 'spam'
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instance = Instance()
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p_get_volume.return_value = vol_v1.Volume(None, {'id': '123', 'status':
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'available'})
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p_detach.return_value = None
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p_delete.return_value = None
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self.assertIsNone(
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volumes.detach_from_instance(instance))
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@mock.patch('sahara.conductor.manager.ConductorManager.cluster_get')
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@mock.patch('cinderclient.v2.volumes.Volume.delete')
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@mock.patch('cinderclient.v2.volumes.Volume.detach')
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@mock.patch('sahara.utils.openstack.cinder.get_volume')
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def test_detach_volumes_v2(self, p_get_volume, p_detach, p_delete, p_cond):
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class Instance(object):
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def __init__(self):
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self.instance_id = '123454321'
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self.volumes = [123]
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self.instance_name = 'spam'
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instance = Instance()
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p_get_volume.return_value = vol_v2.Volume(None, {'id': '123', 'status':
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'available'})
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p_detach.return_value = None
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p_delete.return_value = None
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self.assertIsNone(
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volumes.detach_from_instance(instance))
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@mock.patch('sahara.conductor.manager.ConductorManager.cluster_get')
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@mock.patch('cinderclient.v3.volumes.Volume.delete')
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@mock.patch('cinderclient.v3.volumes.Volume.detach')
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@mock.patch('sahara.utils.openstack.cinder.get_volume')
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def test_detach_volumes_v3(self, p_get_volume, p_detach, p_delete, p_cond):
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class Instance(object):
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def __init__(self):
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self.instance_id = '123454321'
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self.volumes = [123]
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self.instance_name = 'spam'
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instance = Instance()
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p_get_volume.return_value = vol_v3.Volume(None, {'id': '123', 'status':
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'available'})
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p_detach.return_value = None
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p_delete.return_value = None
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self.assertIsNone(
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volumes.detach_from_instance(instance))
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def _get_instance(self):
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inst_remote = mock.MagicMock()
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inst_remote.execute_command.return_value = 0
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inst_remote.__enter__.return_value = inst_remote
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inst = mock.MagicMock()
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inst.remote.return_value = inst_remote
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return inst
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def test_find_instance_volume_devices(self):
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instance = self._get_instance()
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ex_cmd = instance.remote().execute_command
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attached_info = '/dev/vda /dev/vda1 /dev/vdb /dev/vdc'
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mounted_info = '/dev/vda1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info), (2, ""),
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(2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/vdb', '/dev/vdc'], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb /dev/vdb1 /dev/vdb2'
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mounted_info = '/dev/vda1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info), (2, ""),
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(2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/vdb'], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb /dev/vdb1 /dev/vdb2'
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mounted_info = '/dev/vda1 /dev/vdb1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info), (2, ""),
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(2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/vdb2'], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb /dev/vdb1 /dev/vdb2'
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mounted_info = '/dev/vda1 /dev/vdb2'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info), (2, ""),
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(2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/vdb1'], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb'
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mounted_info = '/dev/vda1 /dev/vdb'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info), (2, ""),
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(2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual([], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb'
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mounted_info = '/dev/vda1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info),
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(0, "/dev/vdb")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual([], diff)
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attached_info = '/dev/vda /dev/vda1 /dev/vdb'
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mounted_info = '/dev/vda1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info),
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(2, ""), (0, "/dev/vdb")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual([], diff)
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attached_info = '/dev/vda /dev/nbd1'
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mounted_info = '/dev/nbd1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info),
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(2, ""), (2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/vda'], diff)
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attached_info = '/dev/nbd1 /dev/nbd2'
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mounted_info = '/dev/nbd1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info),
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(2, ""), (2, "")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual(['/dev/nbd2'], diff)
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attached_info = '/dev/nbd1 /dev/nbd2'
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mounted_info = '/dev/nbd1'
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ex_cmd.side_effect = [(0, attached_info), (0, mounted_info),
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(0, "/dev/nbd2")]
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diff = volumes._find_instance_devices(instance)
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self.assertEqual([], diff)
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