90 lines
3.7 KiB
Python
90 lines
3.7 KiB
Python
# 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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from nova.compute import instance_actions
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from nova import test
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from nova.tests import fixtures as nova_fixtures
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from nova.tests.functional import fixtures as func_fixtures
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from nova.tests.functional import integrated_helpers
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from nova.tests.unit import fake_network
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CELL1_NAME = 'cell1'
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CELL2_NAME = 'cell2'
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class MultiCellSchedulerTestCase(test.TestCase,
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integrated_helpers.InstanceHelperMixin):
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NUMBER_OF_CELLS = 2
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def setUp(self):
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super(MultiCellSchedulerTestCase, self).setUp()
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self.useFixture(nova_fixtures.RealPolicyFixture())
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self.useFixture(nova_fixtures.NeutronFixture(self))
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self.useFixture(nova_fixtures.GlanceFixture(self))
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self.useFixture(nova_fixtures.AllServicesCurrent())
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self.useFixture(func_fixtures.PlacementFixture())
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api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
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api_version='v2.1'))
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self.api = api_fixture.api
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self.admin_api = api_fixture.admin_api
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fake_network.set_stub_network_methods(self)
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self.flags(allow_resize_to_same_host=False)
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self.flags(enabled_filters=['AllHostsFilter'],
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group='filter_scheduler')
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self.start_service('conductor')
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self.start_service('scheduler')
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def _test_create_and_migrate(self, expected_status, az=None):
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server = self._create_server(az=az)
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return self.admin_api.api_post(
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'/servers/%s/action' % server['id'],
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{'migrate': None},
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check_response_status=[expected_status]), server
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def test_migrate_between_cells(self):
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"""Verify that migrating between cells is not allowed.
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Right now, we can't migrate between cells. So, create two computes
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in different cells and make sure that migration fails with NoValidHost.
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"""
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# Hosts in different cells
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self.start_service('compute', host='compute1', cell_name=CELL1_NAME)
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self.start_service('compute', host='compute2', cell_name=CELL2_NAME)
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_, server = self._test_create_and_migrate(expected_status=202)
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# The instance action should have failed with details.
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self._assert_resize_migrate_action_fail(
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server, instance_actions.MIGRATE, 'NoValidHost')
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def test_migrate_within_cell(self):
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"""Verify that migrating within cells is allowed.
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Create two computes in the same cell and validate that the same
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migration is allowed.
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"""
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# Hosts in the same cell
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self.start_service('compute', host='compute1', cell_name=CELL1_NAME)
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self.start_service('compute', host='compute2', cell_name=CELL1_NAME)
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# Create another host just so it looks like we have hosts in
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# both cells
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self.start_service('compute', host='compute3', cell_name=CELL2_NAME)
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# Force the server onto compute1 in cell1 so we do not accidentally
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# land on compute3 in cell2 and fail to migrate.
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_, server = self._test_create_and_migrate(expected_status=202,
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az='nova:compute1')
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self._wait_for_state_change(server, 'VERIFY_RESIZE')
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