Merge "Add regression test for BFV+IsolatedHostsFilter failure" into stable/queens
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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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#
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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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from nova import config
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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 integrated_helpers
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from nova.tests.unit.image import fake as image_fakes
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from nova.tests.unit import policy_fixture
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from nova import utils
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from nova.virt import fake
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CONF = config.CONF
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class TestBootFromVolumeIsolatedHostsFilter(
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test.TestCase, integrated_helpers.InstanceHelperMixin):
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"""Regression test for bug #1746483
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The IsolatedHostsFilter checks for images restricted to certain hosts via
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config options. When creating a server from a root volume, the image is
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in the volume (and it's related metadata from Cinder). When creating a
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volume-backed server, the imageRef is not required.
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The regression is that the RequestSpec.image.id field is not set and the
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IsolatedHostsFilter blows up trying to load the image id.
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"""
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def setUp(self):
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super(TestBootFromVolumeIsolatedHostsFilter, self).setUp()
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self.useFixture(policy_fixture.RealPolicyFixture())
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self.useFixture(nova_fixtures.NeutronFixture(self))
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self.useFixture(nova_fixtures.CinderFixtureNewAttachFlow(self))
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self.useFixture(nova_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.admin_api
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image_fakes.stub_out_image_service(self)
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self.addCleanup(image_fakes.FakeImageService_reset)
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self.start_service('conductor')
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# Add the IsolatedHostsFilter to the list of enabled filters since it
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# is not enabled by default.
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enabled_filters = CONF.filter_scheduler.enabled_filters
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enabled_filters.append('IsolatedHostsFilter')
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self.flags(
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enabled_filters=enabled_filters,
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isolated_images=[image_fakes.AUTO_DISK_CONFIG_ENABLED_IMAGE_UUID],
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isolated_hosts=['host1'],
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restrict_isolated_hosts_to_isolated_images=True,
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group='filter_scheduler')
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self.start_service('scheduler')
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# Create two compute nodes/services so we can restrict the image
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# we'll use to one of the hosts.
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for host in ('host1', 'host2'):
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fake.set_nodes([host])
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self.addCleanup(fake.restore_nodes)
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self.start_service('compute', host=host)
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def test_boot_from_volume_with_isolated_image(self):
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# Create our server without networking just to keep things simple.
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image_id = nova_fixtures.CinderFixtureNewAttachFlow.IMAGE_BACKED_VOL
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server_req_body = {
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# There is no imageRef because this is boot from volume.
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'server': {
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'flavorRef': '1', # m1.tiny from DefaultFlavorsFixture,
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'name': 'test_boot_from_volume_with_isolated_image',
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'networks': 'none',
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'block_device_mapping_v2': [{
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'boot_index': 0,
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'uuid': image_id,
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'source_type': 'volume',
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'destination_type': 'volume'
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}]
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}
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}
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# Note that we're using v2.1 by default but need v2.37 to use
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# networks='none'.
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with utils.temporary_mutation(self.api, microversion='2.37'):
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server = self.api.post_server(server_req_body)
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server = self._wait_for_state_change(self.api, server, 'ERROR')
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# Due to bug 1746483 we expect scheduling to fail.
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self.assertIn("Cannot load 'id' in the base class",
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server['fault']['message'])
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