223 lines
8.2 KiB
Python
223 lines
8.2 KiB
Python
# Copyright 2013 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from oslo_serialization import jsonutils
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from oslo_utils.fixture import uuidsentinel as uuids
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from nova.api.openstack.compute import (extended_volumes
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as extended_volumes_v21)
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from nova.api.openstack import wsgi as os_wsgi
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from nova import context as nova_context
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from nova import objects
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from nova.objects import instance as instance_obj
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from nova import test
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from nova.tests.unit.api.openstack import fakes
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from nova.tests.unit import fake_block_device
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from nova.tests.unit import fake_instance
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UUID1 = '00000000-0000-0000-0000-000000000001'
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UUID2 = '00000000-0000-0000-0000-000000000002'
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UUID3 = '00000000-0000-0000-0000-000000000003'
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def fake_compute_get(*args, **kwargs):
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inst = fakes.stub_instance(1, uuid=UUID1)
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return fake_instance.fake_instance_obj(args[1], **inst)
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def fake_compute_get_all(*args, **kwargs):
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db_list = [
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fakes.stub_instance(1, uuid=UUID1),
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fakes.stub_instance(2, uuid=UUID2),
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]
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fields = instance_obj.INSTANCE_DEFAULT_FIELDS
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return instance_obj._make_instance_list(args[1],
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objects.InstanceList(),
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db_list, fields)
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def fake_bdms_get_all_by_instance_uuids(*args, **kwargs):
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return [
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fake_block_device.FakeDbBlockDeviceDict({
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'id': 1,
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'volume_id': 'some_volume_1',
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'instance_uuid': UUID1,
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'source_type': 'volume',
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'destination_type': 'volume',
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'delete_on_termination': True,
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}),
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fake_block_device.FakeDbBlockDeviceDict({
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'id': 2,
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'volume_id': 'some_volume_2',
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'instance_uuid': UUID2,
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'source_type': 'volume',
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'destination_type': 'volume',
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'delete_on_termination': False,
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}),
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fake_block_device.FakeDbBlockDeviceDict({
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'id': 3,
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'volume_id': 'some_volume_3',
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'instance_uuid': UUID2,
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'source_type': 'volume',
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'destination_type': 'volume',
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'delete_on_termination': False,
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}),
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]
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class ExtendedVolumesTestV21(test.TestCase):
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content_type = 'application/json'
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prefix = 'os-extended-volumes:'
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exp_volumes_show = [{'id': 'some_volume_1'}]
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exp_volumes_detail = [
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[{'id': 'some_volume_1'}],
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[{'id': 'some_volume_2'}, {'id': 'some_volume_3'}],
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]
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wsgi_api_version = os_wsgi.DEFAULT_API_VERSION
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def setUp(self):
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super(ExtendedVolumesTestV21, self).setUp()
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fakes.stub_out_nw_api(self)
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fakes.stub_out_secgroup_api(self)
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self.stub_out('nova.compute.api.API.get', fake_compute_get)
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self.stub_out('nova.compute.api.API.get_all', fake_compute_get_all)
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self.stub_out(
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'nova.db.api.block_device_mapping_get_all_by_instance_uuids',
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fake_bdms_get_all_by_instance_uuids)
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self._setUp()
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self.app = self._setup_app()
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return_server = fakes.fake_instance_get()
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self.stub_out('nova.db.api.instance_get_by_uuid', return_server)
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def _setup_app(self):
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return fakes.wsgi_app_v21()
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def _setUp(self):
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self.Controller = extended_volumes_v21.ExtendedVolumesController()
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self.stub_out('nova.volume.cinder.API.get', lambda *a, **k: None)
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def _make_request(self, url, body=None):
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req = fakes.HTTPRequest.blank('/v2/fake/servers' + url)
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req.headers['Accept'] = self.content_type
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req.headers = {os_wsgi.API_VERSION_REQUEST_HEADER:
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'compute %s' % self.wsgi_api_version}
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if body:
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req.body = jsonutils.dump_as_bytes(body)
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req.method = 'POST'
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req.content_type = self.content_type
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res = req.get_response(self.app)
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return res
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def _get_server(self, body):
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return jsonutils.loads(body).get('server')
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def _get_servers(self, body):
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return jsonutils.loads(body).get('servers')
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def test_show(self):
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res = self._make_request('/%s' % UUID1)
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self.assertEqual(200, res.status_int)
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server = self._get_server(res.body)
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actual = server.get('%svolumes_attached' % self.prefix)
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self.assertEqual(self.exp_volumes_show, actual)
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@mock.patch.object(objects.InstanceMappingList, 'get_by_instance_uuids')
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def test_detail(self, mock_get_by_instance_uuids):
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mock_get_by_instance_uuids.return_value = [
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objects.InstanceMapping(
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instance_uuid=UUID1,
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cell_mapping=objects.CellMapping(
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uuid=uuids.cell1,
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transport_url='fake://nowhere/',
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database_connection=uuids.cell1)),
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objects.InstanceMapping(
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instance_uuid=UUID2,
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cell_mapping=objects.CellMapping(
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uuid=uuids.cell1,
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transport_url='fake://nowhere/',
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database_connection=uuids.cell1))]
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res = self._make_request('/detail')
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mock_get_by_instance_uuids.assert_called_once_with(
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test.MatchType(nova_context.RequestContext), [UUID1, UUID2])
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self.assertEqual(200, res.status_int)
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for i, server in enumerate(self._get_servers(res.body)):
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actual = server.get('%svolumes_attached' % self.prefix)
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self.assertEqual(self.exp_volumes_detail[i], actual)
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@mock.patch.object(objects.InstanceMappingList, 'get_by_instance_uuids')
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@mock.patch('nova.context.scatter_gather_cells')
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def test_detail_with_cell_failures(self, mock_sg,
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mock_get_by_instance_uuids):
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mock_get_by_instance_uuids.return_value = [
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objects.InstanceMapping(
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instance_uuid=UUID1,
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cell_mapping=objects.CellMapping(
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uuid=uuids.cell1,
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transport_url='fake://nowhere/',
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database_connection=uuids.cell1)),
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objects.InstanceMapping(
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instance_uuid=UUID2,
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cell_mapping=objects.CellMapping(
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uuid=uuids.cell2,
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transport_url='fake://nowhere/',
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database_connection=uuids.cell2))
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]
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bdm = fake_bdms_get_all_by_instance_uuids()
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fake_bdm = fake_block_device.fake_bdm_object(
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nova_context.RequestContext, bdm[0])
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mock_sg.return_value = {
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uuids.cell1: {UUID1: [fake_bdm]},
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uuids.cell2: nova_context.raised_exception_sentinel
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}
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res = self._make_request('/detail')
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mock_get_by_instance_uuids.assert_called_once_with(
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test.MatchType(nova_context.RequestContext), [UUID1, UUID2])
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self.assertEqual(200, res.status_int)
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# we would get an empty list for the second instance
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# which is in the down cell, however this would printed
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# in the logs.
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for i, server in enumerate(self._get_servers(res.body)):
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actual = server.get('%svolumes_attached' % self.prefix)
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if i == 0:
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self.assertEqual(self.exp_volumes_detail[i], actual)
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else:
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self.assertEqual([], actual)
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class ExtendedVolumesTestV23(ExtendedVolumesTestV21):
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exp_volumes_show = [
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{'id': 'some_volume_1', 'delete_on_termination': True},
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]
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exp_volumes_detail = [
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[
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{'id': 'some_volume_1', 'delete_on_termination': True},
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],
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[
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{'id': 'some_volume_2', 'delete_on_termination': False},
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{'id': 'some_volume_3', 'delete_on_termination': False},
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],
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]
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wsgi_api_version = '2.3'
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