100 lines
5.0 KiB
Python
100 lines
5.0 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 oslo_utils import uuidutils
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from novaclient.tests.functional import base
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class TestMigrationList(base.ClientTestBase):
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"""Tests the "nova migration-list" command."""
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def _filter_migrations(
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self, version, migration_type, source_compute):
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"""
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Filters migrations by --migration-type and --source-compute.
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:param version: The --os-compute-api-version to use.
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:param migration_type: The type of migrations to filter.
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:param source_compute: The source compute service hostname to filter.
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:return: output of the nova migration-list command with filters applied
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"""
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return self.nova('migration-list',
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flags='--os-compute-api-version %s' % version,
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params='--migration-type %s --source-compute %s' % (
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migration_type, source_compute))
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def test_migration_list(self):
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"""Tests creating a server, resizing it and then listing and filtering
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migrations using various microversion milestones.
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"""
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server_id = self._create_server(flavor=self.flavor.id).id
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# Find the source compute by getting OS-EXT-SRV-ATTR:host from the
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# nova show output.
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server = self.nova('show', params='%s' % server_id)
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source_compute = self._get_value_from_the_table(
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server, 'OS-EXT-SRV-ATTR:host')
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# now resize up
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alternate_flavor = self._pick_alternate_flavor()
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self.nova('resize',
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params='%s %s --poll' % (server_id, alternate_flavor))
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# now confirm the resize
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self.nova('resize-confirm', params='%s' % server_id)
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# wait for the server to be active and then check the migration list
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self._wait_for_state_change(server_id, 'active')
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# First, list migrations with v2.1 and our server id should be in the
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# output. There should only be the one migration.
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migrations = self.nova('migration-list',
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flags='--os-compute-api-version 2.1')
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instance_uuid = self._get_column_value_from_single_row_table(
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migrations, 'Instance UUID')
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self.assertEqual(server_id, instance_uuid)
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# A successfully confirmed resize should have the migration status
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# of "confirmed".
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migration_status = self._get_column_value_from_single_row_table(
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migrations, 'Status')
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self.assertEqual('confirmed', migration_status)
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# Now listing migrations with 2.23 should give us the Type column which
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# should have a value of "resize".
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migrations = self.nova('migration-list',
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flags='--os-compute-api-version 2.23')
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migration_type = self._get_column_value_from_single_row_table(
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migrations, 'Type')
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self.assertEqual('resize', migration_type)
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# Filter migrations with v2.1.
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migrations = self._filter_migrations('2.1', 'resize', source_compute)
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# Make sure we got something back.
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src_compute = self._get_column_value_from_single_row_table(
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migrations, 'Source Compute')
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self.assertEqual(source_compute, src_compute)
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# Filter migrations with v2.59 and make sure there is a migration UUID
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# value in the output.
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migrations = self._filter_migrations('2.59', 'resize', source_compute)
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# _get_column_value_from_single_row_table will raise ValueError if a
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# value is not found for the given column. We don't actually care what
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# the migration UUID value is just that the filter works and the UUID
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# is shown.
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self._get_column_value_from_single_row_table(migrations, 'UUID')
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# Filter migrations with v2.66, same as 2.59.
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migrations = self._filter_migrations('2.66', 'resize', source_compute)
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self._get_column_value_from_single_row_table(migrations, 'UUID')
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# Now do a negative test to show that filtering on a migration type
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# that we don't have a migration for will not return anything.
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migrations = self._filter_migrations(
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'2.1', 'evacuation', source_compute)
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self.assertNotIn(server_id, migrations)
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# Similarly, make sure we don't get anything back when filtering on
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# a --source-compute that doesn't exist.
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migrations = self._filter_migrations(
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'2.66', 'resize', uuidutils.generate_uuid())
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self.assertNotIn(server_id, migrations)
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