241 lines
10 KiB
Python
241 lines
10 KiB
Python
# Copyright 2014
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# The Cloudscaling Group, 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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# 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 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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import mock
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import ec2api.api.clients
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from ec2api.tests.unit import base
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from ec2api.tests.unit import fakes
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from ec2api.tests.unit import matchers
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from ec2api.tests.unit import tools
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class VolumeTestCase(base.ApiTestCase):
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def setUp(self):
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super(VolumeTestCase, self).setUp()
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get_os_admin_context_patcher = (
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mock.patch('ec2api.context.get_os_admin_context'))
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self.get_os_admin_context = get_os_admin_context_patcher.start()
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self.addCleanup(get_os_admin_context_patcher.stop)
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self.get_os_admin_context.return_value = (
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self._create_context(auth_token='admin_token'))
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@mock.patch('ec2api.api.clients.nova', wraps=ec2api.api.clients.nova)
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def test_describe_volumes(self, nova_client_getter):
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self.cinder.volumes.list.return_value = [
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fakes.OSVolume(fakes.OS_VOLUME_1),
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fakes.OSVolume(fakes.OS_VOLUME_2),
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fakes.OSVolume(fakes.OS_VOLUME_3)]
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self.nova.servers.list.return_value = [
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fakes.OSInstance_full(fakes.OS_INSTANCE_1),
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fakes.OSInstance_full(fakes.OS_INSTANCE_2)]
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self.set_mock_db_items(fakes.DB_VOLUME_1, fakes.DB_VOLUME_2,
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fakes.DB_INSTANCE_1, fakes.DB_INSTANCE_2,
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fakes.DB_SNAPSHOT_1, fakes.DB_SNAPSHOT_2)
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self.db_api.add_item.side_effect = (
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tools.get_db_api_add_item(fakes.ID_EC2_VOLUME_3))
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resp = self.execute('DescribeVolumes', {})
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self.assertThat(resp, matchers.DictMatches(
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{'volumeSet': [fakes.EC2_VOLUME_1, fakes.EC2_VOLUME_2,
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fakes.EC2_VOLUME_3]},
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orderless_lists=True))
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nova_client_getter.assert_called_with(
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self.get_os_admin_context.return_value)
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self.db_api.get_items.assert_any_call(mock.ANY, 'vol')
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self.db_api.get_items_by_ids = tools.CopyingMock(
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return_value=[fakes.DB_VOLUME_1])
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resp = self.execute('DescribeVolumes',
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{'VolumeId.1': fakes.ID_EC2_VOLUME_1})
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self.assertThat(resp, matchers.DictMatches(
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{'volumeSet': [fakes.EC2_VOLUME_1]},
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orderless_lists=True))
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nova_client_getter.assert_called_with(
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self.get_os_admin_context.return_value)
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self.db_api.get_items_by_ids.assert_any_call(
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mock.ANY, set([fakes.ID_EC2_VOLUME_1]))
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self.check_filtering(
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'DescribeVolumes', 'volumeSet',
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[('availability-zone', fakes.NAME_AVAILABILITY_ZONE),
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('create-time', fakes.TIME_CREATE_VOLUME_2),
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('encrypted', False),
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# TODO(ft): declare a constant for the volume size in fakes
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('size', 1),
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('snapshot-id', fakes.ID_EC2_SNAPSHOT_1),
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('status', 'available'),
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('volume-id', fakes.ID_EC2_VOLUME_1),
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# TODO(ft): support filtering by none/empty value
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# ('volume-type', ''),
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('attachment.device', fakes.ROOT_DEVICE_NAME_INSTANCE_2),
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('attachment.instance-id', fakes.ID_EC2_INSTANCE_2),
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('attachment.status', 'attached')])
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self.check_tag_support(
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'DescribeVolumes', 'volumeSet',
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fakes.ID_EC2_VOLUME_1, 'volumeId')
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def test_describe_volumes_auto_remove(self):
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self.cinder.volumes.list.return_value = []
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self.nova.servers.list.return_value = []
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self.set_mock_db_items(fakes.DB_VOLUME_1, fakes.DB_VOLUME_2)
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resp = self.execute('DescribeVolumes', {})
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self.assertThat(resp, matchers.DictMatches(
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{'volumeSet': []}))
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self.db_api.delete_item.assert_any_call(
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mock.ANY, fakes.ID_EC2_VOLUME_1)
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self.db_api.delete_item.assert_any_call(
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mock.ANY, fakes.ID_EC2_VOLUME_2)
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def test_describe_volumes_invalid_parameters(self):
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self.cinder.volumes.list.return_value = [
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fakes.OSVolume(fakes.OS_VOLUME_1),
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fakes.OSVolume(fakes.OS_VOLUME_2)]
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self.nova.servers.list.return_value = [
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fakes.OSInstance_full(fakes.OS_INSTANCE_2)]
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self.assert_execution_error(
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'InvalidVolume.NotFound', 'DescribeVolumes',
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{'VolumeId.1': fakes.random_ec2_id('vol')})
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self.cinder.volumes.list.side_effect = lambda: []
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self.assert_execution_error(
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'InvalidVolume.NotFound', 'DescribeVolumes',
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{'VolumeId.1': fakes.ID_EC2_VOLUME_1})
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def test_create_volume(self):
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self.cinder.volumes.create.return_value = (
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fakes.OSVolume(fakes.OS_VOLUME_1))
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self.db_api.add_item.side_effect = (
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tools.get_db_api_add_item(fakes.ID_EC2_VOLUME_1))
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resp = self.execute(
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'CreateVolume',
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{'AvailabilityZone': fakes.NAME_AVAILABILITY_ZONE})
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self.assertThat(fakes.EC2_VOLUME_1, matchers.DictMatches(resp))
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self.db_api.add_item.assert_called_once_with(
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mock.ANY, 'vol',
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tools.purge_dict(fakes.DB_VOLUME_1, ('id',)),
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project_id=None)
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self.cinder.volumes.create.assert_called_once_with(
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None, snapshot_id=None, volume_type=None,
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availability_zone=fakes.NAME_AVAILABILITY_ZONE)
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def test_create_volume_from_snapshot(self):
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self.cinder.volumes.create.return_value = (
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fakes.OSVolume(fakes.OS_VOLUME_3))
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self.db_api.add_item.side_effect = (
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tools.get_db_api_add_item(fakes.ID_EC2_VOLUME_3))
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self.set_mock_db_items(fakes.DB_SNAPSHOT_1)
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resp = self.execute(
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'CreateVolume',
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{'AvailabilityZone': fakes.NAME_AVAILABILITY_ZONE,
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'SnapshotId': fakes.ID_EC2_SNAPSHOT_1})
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self.assertThat(fakes.EC2_VOLUME_3, matchers.DictMatches(resp))
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self.db_api.add_item.assert_called_once_with(
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mock.ANY, 'vol',
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tools.purge_dict(fakes.DB_VOLUME_3, ('id',)),
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project_id=None)
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self.cinder.volumes.create.assert_called_once_with(
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None, snapshot_id=fakes.ID_OS_SNAPSHOT_1, volume_type=None,
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availability_zone=fakes.NAME_AVAILABILITY_ZONE)
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def test_delete_volume(self):
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self.set_mock_db_items(fakes.DB_VOLUME_1)
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resp = self.execute('DeleteVolume',
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{'VolumeId': fakes.ID_EC2_VOLUME_1})
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self.assertEqual({'return': True}, resp)
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self.cinder.volumes.delete.assert_called_once_with(
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fakes.ID_OS_VOLUME_1)
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self.assertFalse(self.db_api.delete_item.called)
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def test_format_volume_maps_status(self):
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fake_volume = fakes.OSVolume(fakes.OS_VOLUME_1)
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self.cinder.volumes.list.return_value = [fake_volume]
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self.nova.servers.list.return_value = []
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self.set_mock_db_items(fakes.DB_VOLUME_1)
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fake_volume.status = 'creating'
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resp = self.execute('DescribeVolumes', {})
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self.assertEqual('creating', resp['volumeSet'][0]['status'])
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fake_volume.status = 'attaching'
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resp = self.execute('DescribeVolumes', {})
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self.assertEqual('in-use', resp['volumeSet'][0]['status'])
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fake_volume.status = 'detaching'
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resp = self.execute('DescribeVolumes', {})
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self.assertEqual('in-use', resp['volumeSet'][0]['status'])
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fake_volume.status = 'banana'
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resp = self.execute('DescribeVolumes', {})
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self.assertEqual('banana', resp['volumeSet'][0]['status'])
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def test_attach_volume(self):
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self.set_mock_db_items(fakes.DB_INSTANCE_2, fakes.DB_VOLUME_3)
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os_volume = fakes.OSVolume(fakes.OS_VOLUME_3)
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os_volume.attachments.append({'device': '/dev/vdf',
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'server_id': fakes.ID_OS_INSTANCE_2})
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os_volume.status = 'attaching'
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self.cinder.volumes.get.return_value = os_volume
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resp = self.execute('AttachVolume',
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{'VolumeId': fakes.ID_EC2_VOLUME_3,
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'InstanceId': fakes.ID_EC2_INSTANCE_2,
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'Device': '/dev/vdf'})
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self.assertEqual({'deleteOnTermination': False,
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'device': '/dev/vdf',
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'instanceId': fakes.ID_EC2_INSTANCE_2,
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'status': 'attaching',
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'volumeId': fakes.ID_EC2_VOLUME_3},
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resp)
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self.nova.volumes.create_server_volume.assert_called_once_with(
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fakes.ID_OS_INSTANCE_2, fakes.ID_OS_VOLUME_3, '/dev/vdf')
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@mock.patch.object(fakes.OSVolume, 'get', autospec=True)
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def test_detach_volume(self, os_volume_get):
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self.set_mock_db_items(fakes.DB_INSTANCE_1, fakes.DB_INSTANCE_2,
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fakes.DB_VOLUME_2)
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os_volume = fakes.OSVolume(fakes.OS_VOLUME_2)
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self.cinder.volumes.get.return_value = os_volume
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os_volume_get.side_effect = (
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lambda vol: setattr(vol, 'status', 'detaching'))
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resp = self.execute('DetachVolume',
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{'VolumeId': fakes.ID_EC2_VOLUME_2})
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self.assertEqual({'device': os_volume.attachments[0]['device'],
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'instanceId': fakes.ID_EC2_INSTANCE_2,
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'status': 'detaching',
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'volumeId': fakes.ID_EC2_VOLUME_2},
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resp)
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self.nova.volumes.delete_server_volume.assert_called_once_with(
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fakes.ID_OS_INSTANCE_2, fakes.ID_OS_VOLUME_2)
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self.cinder.volumes.get.assert_called_once_with(fakes.ID_OS_VOLUME_2)
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def test_detach_volume_invalid_parameters(self):
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self.set_mock_db_items(fakes.DB_VOLUME_1)
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self.cinder.volumes.get.return_value = (
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fakes.OSVolume(fakes.OS_VOLUME_1))
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self.assert_execution_error('IncorrectState', 'DetachVolume',
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{'VolumeId': fakes.ID_EC2_VOLUME_1})
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