236 lines
8.3 KiB
Python
236 lines
8.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 Rackspace Hosting
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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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"""
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Tests For Compute w/ Cells
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"""
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import functools
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from oslo.config import cfg
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from nova.compute import api as compute_api
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from nova.compute import cells_api as compute_cells_api
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from nova import db
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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 quota
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from nova.tests.compute import test_compute
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ORIG_COMPUTE_API = None
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cfg.CONF.import_opt('enable', 'nova.cells.opts', group='cells')
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def stub_call_to_cells(context, instance, method, *args, **kwargs):
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fn = getattr(ORIG_COMPUTE_API, method)
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original_instance = kwargs.pop('original_instance', None)
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if original_instance:
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instance = original_instance
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# Restore this in 'child cell DB'
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db.instance_update(context, instance['uuid'],
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dict(vm_state=instance['vm_state'],
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task_state=instance['task_state']))
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# Use NoopQuotaDriver in child cells.
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saved_quotas = quota.QUOTAS
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quota.QUOTAS = quota.QuotaEngine(
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quota_driver_class=quota.NoopQuotaDriver())
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compute_api.QUOTAS = quota.QUOTAS
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try:
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return fn(context, instance, *args, **kwargs)
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finally:
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quota.QUOTAS = saved_quotas
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compute_api.QUOTAS = saved_quotas
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def stub_cast_to_cells(context, instance, method, *args, **kwargs):
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fn = getattr(ORIG_COMPUTE_API, method)
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original_instance = kwargs.pop('original_instance', None)
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if original_instance:
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instance = original_instance
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# Restore this in 'child cell DB'
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db.instance_update(context, instance['uuid'],
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dict(vm_state=instance['vm_state'],
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task_state=instance['task_state']))
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# Use NoopQuotaDriver in child cells.
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saved_quotas = quota.QUOTAS
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quota.QUOTAS = quota.QuotaEngine(
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quota_driver_class=quota.NoopQuotaDriver())
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compute_api.QUOTAS = quota.QUOTAS
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try:
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fn(context, instance, *args, **kwargs)
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finally:
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quota.QUOTAS = saved_quotas
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compute_api.QUOTAS = saved_quotas
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def deploy_stubs(stubs, api, original_instance=None):
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call = stub_call_to_cells
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cast = stub_cast_to_cells
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if original_instance:
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kwargs = dict(original_instance=original_instance)
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call = functools.partial(stub_call_to_cells, **kwargs)
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cast = functools.partial(stub_cast_to_cells, **kwargs)
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stubs.Set(api, '_call_to_cells', call)
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stubs.Set(api, '_cast_to_cells', cast)
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def wrap_create_instance(func):
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@functools.wraps(func)
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def wrapper(self, *args, **kwargs):
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instance = self._create_fake_instance()
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def fake(*args, **kwargs):
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return instance
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self.stubs.Set(self, '_create_fake_instance', fake)
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original_instance = jsonutils.to_primitive(instance)
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deploy_stubs(self.stubs, self.compute_api,
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original_instance=original_instance)
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return func(self, *args, **kwargs)
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return wrapper
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class CellsComputeAPITestCase(test_compute.ComputeAPITestCase):
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def setUp(self):
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super(CellsComputeAPITestCase, self).setUp()
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global ORIG_COMPUTE_API
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ORIG_COMPUTE_API = self.compute_api
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self.flags(enable=True, group='cells')
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def _fake_cell_read_only(*args, **kwargs):
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return False
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def _fake_validate_cell(*args, **kwargs):
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return
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def _nop_update(context, instance, **kwargs):
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return instance
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self.compute_api = compute_cells_api.ComputeCellsAPI()
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self.stubs.Set(self.compute_api, '_cell_read_only',
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_fake_cell_read_only)
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self.stubs.Set(self.compute_api, '_validate_cell',
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_fake_validate_cell)
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# NOTE(belliott) Don't update the instance state
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# for the tests at the API layer. Let it happen after
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# the stub cast to cells so that expected_task_states
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# match.
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self.stubs.Set(self.compute_api, 'update', _nop_update)
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deploy_stubs(self.stubs, self.compute_api)
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def tearDown(self):
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global ORIG_COMPUTE_API
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self.compute_api = ORIG_COMPUTE_API
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super(CellsComputeAPITestCase, self).tearDown()
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def test_instance_metadata(self):
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self.skipTest("Test is incompatible with cells.")
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def test_live_migrate(self):
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self.skipTest("Test is incompatible with cells.")
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def test_get_backdoor_port(self):
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self.skipTest("Test is incompatible with cells.")
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def test_snapshot_given_image_uuid(self):
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self.skipTest("Test doesn't apply to API cell.")
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@wrap_create_instance
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def test_snapshot(self):
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return super(CellsComputeAPITestCase, self).test_snapshot()
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@wrap_create_instance
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def test_snapshot_image_metadata_inheritance(self):
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return super(CellsComputeAPITestCase,
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self).test_snapshot_image_metadata_inheritance()
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@wrap_create_instance
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def test_snapshot_minram_mindisk(self):
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return super(CellsComputeAPITestCase,
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self).test_snapshot_minram_mindisk()
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@wrap_create_instance
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def test_snapshot_minram_mindisk_VHD(self):
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return super(CellsComputeAPITestCase,
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self).test_snapshot_minram_mindisk_VHD()
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@wrap_create_instance
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def test_snapshot_minram_mindisk_img_missing_minram(self):
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return super(CellsComputeAPITestCase,
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self).test_snapshot_minram_mindisk_img_missing_minram()
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@wrap_create_instance
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def test_snapshot_minram_mindisk_no_image(self):
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return super(CellsComputeAPITestCase,
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self).test_snapshot_minram_mindisk_no_image()
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@wrap_create_instance
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def test_backup(self):
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return super(CellsComputeAPITestCase, self).test_backup()
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def test_evacuate(self):
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self.skipTest("Test is incompatible with cells.")
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def test_delete_instance_no_cell(self):
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cells_rpcapi = self.compute_api.cells_rpcapi
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self.mox.StubOutWithMock(cells_rpcapi,
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'instance_delete_everywhere')
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self.mox.StubOutWithMock(self.compute_api,
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'_cast_to_cells')
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inst = self._create_fake_instance()
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exc = exception.InstanceUnknownCell(instance_uuid=inst['uuid'])
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self.compute_api._cast_to_cells(self.context, inst,
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'delete').AndRaise(exc)
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cells_rpcapi.instance_delete_everywhere(self.context,
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inst, 'hard')
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self.mox.ReplayAll()
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self.compute_api.delete(self.context, inst)
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def test_soft_delete_instance_no_cell(self):
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cells_rpcapi = self.compute_api.cells_rpcapi
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self.mox.StubOutWithMock(cells_rpcapi,
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'instance_delete_everywhere')
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self.mox.StubOutWithMock(self.compute_api,
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'_cast_to_cells')
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inst = self._create_fake_instance()
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exc = exception.InstanceUnknownCell(instance_uuid=inst['uuid'])
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self.compute_api._cast_to_cells(self.context, inst,
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'soft_delete').AndRaise(exc)
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cells_rpcapi.instance_delete_everywhere(self.context,
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inst, 'soft')
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self.mox.ReplayAll()
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self.compute_api.soft_delete(self.context, inst)
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class CellsComputePolicyTestCase(test_compute.ComputePolicyTestCase):
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def setUp(self):
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super(CellsComputePolicyTestCase, self).setUp()
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global ORIG_COMPUTE_API
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ORIG_COMPUTE_API = self.compute_api
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self.compute_api = compute_cells_api.ComputeCellsAPI()
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deploy_stubs(self.stubs, self.compute_api)
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def tearDown(self):
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global ORIG_COMPUTE_API
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self.compute_api = ORIG_COMPUTE_API
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super(CellsComputePolicyTestCase, self).tearDown()
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