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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_utils import uuidutils
from novaclient.tests.functional import base
class TestMigrationList(base.ClientTestBase):
"""Tests the "nova migration-list" command."""
def _filter_migrations(
self, version, migration_type, source_compute):
"""
Filters migrations by --migration-type and --source-compute.
:param version: The --os-compute-api-version to use.
:param migration_type: The type of migrations to filter.
:param source_compute: The source compute service hostname to filter.
:return: output of the nova migration-list command with filters applied
"""
return self.nova('migration-list',
flags='--os-compute-api-version %s' % version,
params='--migration-type %s --source-compute %s' % (
migration_type, source_compute))
def test_migration_list(self):
"""Tests creating a server, resizing it and then listing and filtering
migrations using various microversion milestones.
"""
server_id = self._create_server(flavor=self.flavor.id).id
# Find the source compute by getting OS-EXT-SRV-ATTR:host from the
# nova show output.
server = self.nova('show', params='%s' % server_id)
server_user_id = self._get_value_from_the_table(server, 'user_id')
tenant_id = self._get_value_from_the_table(server, 'tenant_id')
source_compute = self._get_value_from_the_table(
server, 'OS-EXT-SRV-ATTR:host')
# now resize up
alternate_flavor = self._pick_alternate_flavor()
self.nova('resize',
params='%s %s --poll' % (server_id, alternate_flavor))
# now confirm the resize
self.nova('resize-confirm', params='%s' % server_id)
# wait for the server to be active and then check the migration list
self._wait_for_state_change(server_id, 'active')
# First, list migrations with v2.1 and our server id should be in the
# output. There should only be the one migration.
migrations = self.nova('migration-list',
flags='--os-compute-api-version 2.1')
instance_uuid = self._get_column_value_from_single_row_table(
migrations, 'Instance UUID')
self.assertEqual(server_id, instance_uuid)
# A successfully confirmed resize should have the migration status
# of "confirmed".
migration_status = self._get_column_value_from_single_row_table(
migrations, 'Status')
self.assertEqual('confirmed', migration_status)
# Now listing migrations with 2.23 should give us the Type column which
# should have a value of "resize".
migrations = self.nova('migration-list',
flags='--os-compute-api-version 2.23')
migration_type = self._get_column_value_from_single_row_table(
migrations, 'Type')
self.assertEqual('resize', migration_type)
# Filter migrations with v2.1.
migrations = self._filter_migrations('2.1', 'resize', source_compute)
# Make sure we got something back.
src_compute = self._get_column_value_from_single_row_table(
migrations, 'Source Compute')
self.assertEqual(source_compute, src_compute)
# Filter migrations with v2.59 and make sure there is a migration UUID
# value in the output.
migrations = self._filter_migrations('2.59', 'resize', source_compute)
# _get_column_value_from_single_row_table will raise ValueError if a
# value is not found for the given column. We don't actually care what
# the migration UUID value is just that the filter works and the UUID
# is shown.
self._get_column_value_from_single_row_table(migrations, 'UUID')
# Filter migrations with v2.66, same as 2.59.
migrations = self._filter_migrations('2.66', 'resize', source_compute)
self._get_column_value_from_single_row_table(migrations, 'UUID')
# Now do a negative test to show that filtering on a migration type
# that we don't have a migration for will not return anything.
migrations = self._filter_migrations(
'2.1', 'evacuation', source_compute)
self.assertNotIn(server_id, migrations)
# Similarly, make sure we don't get anything back when filtering on
# a --source-compute that doesn't exist.
migrations = self._filter_migrations(
'2.66', 'resize', uuidutils.generate_uuid())
self.assertNotIn(server_id, migrations)
# Listing migrations with v2.80 and make sure there are the User ID
# and Project ID values in the output.
migrations = self.nova('migration-list',
flags='--os-compute-api-version 2.80')
user_id = self._get_column_value_from_single_row_table(
migrations, 'User ID')
self.assertEqual(server_user_id, user_id)
project_id = self._get_column_value_from_single_row_table(
migrations, 'Project ID')
self.assertEqual(tenant_id, project_id)
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