274 lines
9.5 KiB
Python
274 lines
9.5 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 mox
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from oslo.config import cfg
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from webob import exc
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from nova.api.openstack.compute import plugins
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from nova.api.openstack.compute.plugins.v3 import block_device_mapping
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from nova.api.openstack.compute.plugins.v3 import servers
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from nova import block_device
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from nova.compute import api as compute_api
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from nova import exception
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from nova.openstack.common import jsonutils
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from nova import test
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from nova.tests.api.openstack import fakes
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from nova.tests.image import fake
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from nova.tests import matchers
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CONF = cfg.CONF
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class BlockDeviceMappingTest(test.TestCase):
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def setUp(self):
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super(BlockDeviceMappingTest, self).setUp()
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ext_info = plugins.LoadedExtensionInfo()
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self.controller = servers.ServersController(extension_info=ext_info)
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CONF.set_override('extensions_blacklist', 'os-block-device-mapping',
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'osapi_v3')
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self.no_volumes_controller = servers.ServersController(
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extension_info=ext_info)
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CONF.set_override('extensions_blacklist', '', 'osapi_v3')
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fake.stub_out_image_service(self.stubs)
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self.bdm = [{
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'no_device': None,
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'source_type': 'volume',
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'destination_type': 'volume',
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'uuid': 'fake',
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'device_name': 'vda',
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'delete_on_termination': False,
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}]
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def _test_create(self, params, no_image=False, override_controller=None):
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body = {
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'server': {
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'min_count': 2,
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'name': 'server_test',
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'image_ref': '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6',
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'flavor_ref': 'http://localhost/123/flavors/3',
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'metadata': {
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'hello': 'world',
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'open': 'stack',
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},
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},
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}
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if no_image:
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body['server']['image_ref'] = ''
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body['server'].update(params)
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req = fakes.HTTPRequestV3.blank('/servers')
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req.method = 'POST'
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req.headers['content-type'] = 'application/json'
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req.body = jsonutils.dumps(body)
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if override_controller:
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override_controller.create(req, body=body).obj['server']
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else:
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self.controller.create(req, body=body).obj['server']
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def test_create_instance_with_block_device_mapping_disabled(self):
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bdm = [{'device_name': 'foo'}]
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertNotIn('block_device_mapping', kwargs)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: bdm}
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self._test_create(params,
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override_controller=self.no_volumes_controller)
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def test_create_instance_with_volumes_enabled_no_image(self):
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"""Test that the create will fail if there is no image
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and no bdms supplied in the request
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"""
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertNotIn('image_ref', kwargs)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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self.assertRaises(exc.HTTPBadRequest,
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self._test_create, {}, no_image=True)
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def test_create_instance_with_bdms_and_no_image(self):
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertThat(
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block_device.BlockDeviceDict(self.bdm[0]),
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matchers.DictMatches(kwargs['block_device_mapping'][0])
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)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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self.mox.StubOutWithMock(compute_api.API, '_validate_bdm')
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self.mox.StubOutWithMock(compute_api.API, '_get_bdm_image_metadata')
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compute_api.API._validate_bdm(
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mox.IgnoreArg(), mox.IgnoreArg(), mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn(True)
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compute_api.API._get_bdm_image_metadata(
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mox.IgnoreArg(), mox.IgnoreArg(), False).AndReturn({})
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self.mox.ReplayAll()
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self._test_create(params, no_image=True)
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def test_create_instance_with_device_name_not_string(self):
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self.bdm[0]['device_name'] = 123
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertEqual(kwargs['block_device_mapping'], self.bdm)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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def test_create_instance_with_device_name_empty(self):
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self.bdm[0]['device_name'] = ''
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertEqual(kwargs['block_device_mapping'], self.bdm)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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def test_create_instance_with_device_name_too_long(self):
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self.bdm[0]['device_name'] = 'a' * 256
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertEqual(kwargs['block_device_mapping'], self.bdm)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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def test_create_instance_with_space_in_device_name(self):
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self.bdm[0]['device_name'] = 'v da'
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertTrue(kwargs['legacy_bdm'])
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self.assertEqual(kwargs['block_device_mapping'], self.bdm)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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def test_create_instance_with_invalid_size(self):
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self.bdm[0]['volume_size'] = 'hello world'
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertEqual(kwargs['block_device_mapping'], self.bdm)
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return old_create(*args, **kwargs)
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self.stubs.Set(compute_api.API, 'create', create)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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def test_create_instance_bdm(self):
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bdm = [{
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'source_type': 'volume',
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'device_name': 'fake_dev',
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'uuid': 'fake_vol'
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}]
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bdm_expected = [{
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'source_type': 'volume',
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'device_name': 'fake_dev',
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'volume_id': 'fake_vol'
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}]
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertFalse(kwargs['legacy_bdm'])
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for expected, received in zip(bdm_expected,
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kwargs['block_device_mapping']):
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self.assertThat(block_device.BlockDeviceDict(expected),
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matchers.DictMatches(received))
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return old_create(*args, **kwargs)
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def _validate_bdm(*args, **kwargs):
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pass
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self.stubs.Set(compute_api.API, 'create', create)
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self.stubs.Set(compute_api.API, '_validate_bdm', _validate_bdm)
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params = {block_device_mapping.ATTRIBUTE_NAME: bdm}
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self._test_create(params)
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def test_create_instance_bdm_missing_device_name(self):
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del self.bdm[0]['device_name']
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old_create = compute_api.API.create
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def create(*args, **kwargs):
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self.assertFalse(kwargs['legacy_bdm'])
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self.assertNotIn(None,
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kwargs['block_device_mapping'][0]['device_name'])
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return old_create(*args, **kwargs)
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def _validate_bdm(*args, **kwargs):
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pass
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self.stubs.Set(compute_api.API, 'create', create)
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self.stubs.Set(compute_api.API, '_validate_bdm', _validate_bdm)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self._test_create(params)
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def test_create_instance_bdm_validation_error(self):
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def _validate(*args, **kwargs):
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raise exception.InvalidBDMFormat(details='Wrong BDM')
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self.stubs.Set(block_device.BlockDeviceDict,
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'_validate', _validate)
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params = {block_device_mapping.ATTRIBUTE_NAME: self.bdm}
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self.assertRaises(exc.HTTPBadRequest, self._test_create, params)
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