fe33437681
Juno is EOL for long enough to remove this dead code. Change-Id: I4202e54b9fb9283a51440888c47a776401eb0324
168 lines
6.9 KiB
Python
168 lines
6.9 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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import testtools
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from tempest.api.compute import base
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from tempest.common import waiters
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from tempest import config
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from tempest import test
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CONF = config.CONF
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class LiveBlockMigrationTestJSON(base.BaseV2ComputeAdminTest):
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_host_key = 'OS-EXT-SRV-ATTR:host'
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@classmethod
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def skip_checks(cls):
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super(LiveBlockMigrationTestJSON, cls).skip_checks()
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if not CONF.compute_feature_enabled.live_migration:
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skip_msg = ("%s skipped as live-migration is "
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"not available" % cls.__name__)
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raise cls.skipException(skip_msg)
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if CONF.compute.min_compute_nodes < 2:
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raise cls.skipException(
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"Less than 2 compute nodes, skipping migration test.")
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@classmethod
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def setup_clients(cls):
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super(LiveBlockMigrationTestJSON, cls).setup_clients()
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cls.admin_hosts_client = cls.os_adm.hosts_client
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cls.admin_servers_client = cls.os_adm.servers_client
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cls.admin_migration_client = cls.os_adm.migrations_client
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@classmethod
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def _get_compute_hostnames(cls):
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body = cls.admin_hosts_client.list_hosts()['hosts']
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return [
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host_record['host_name']
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for host_record in body
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if host_record['service'] == 'compute'
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]
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def _get_server_details(self, server_id):
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body = self.admin_servers_client.show_server(server_id)['server']
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return body
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def _get_host_for_server(self, server_id):
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return self._get_server_details(server_id)[self._host_key]
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def _migrate_server_to(self, server_id, dest_host, volume_backed):
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block_migration = (CONF.compute_feature_enabled.
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block_migration_for_live_migration and
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not volume_backed)
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body = self.admin_servers_client.live_migrate_server(
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server_id, host=dest_host, block_migration=block_migration,
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disk_over_commit=False)
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return body
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def _get_host_other_than(self, host):
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for target_host in self._get_compute_hostnames():
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if host != target_host:
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return target_host
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def _get_server_status(self, server_id):
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return self._get_server_details(server_id)['status']
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def _volume_clean_up(self, server_id, volume_id):
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body = self.volumes_client.show_volume(volume_id)['volume']
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if body['status'] == 'in-use':
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self.servers_client.detach_volume(server_id, volume_id)
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self.volumes_client.wait_for_volume_status(volume_id, 'available')
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self.volumes_client.delete_volume(volume_id)
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def _test_live_migration(self, state='ACTIVE', volume_backed=False):
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"""Tests live migration between two hosts.
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Requires CONF.compute_feature_enabled.live_migration to be True.
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:param state: The vm_state the migrated server should be in before and
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after the live migration. Supported values are 'ACTIVE'
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and 'PAUSED'.
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:param volume_backed: If the instance is volume backed or not. If
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volume_backed, *block* migration is not used.
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"""
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# Live migrate an instance to another host
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server_id = self.create_test_server(wait_until="ACTIVE",
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volume_backed=volume_backed)['id']
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actual_host = self._get_host_for_server(server_id)
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target_host = self._get_host_other_than(actual_host)
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if state == 'PAUSED':
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self.admin_servers_client.pause_server(server_id)
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waiters.wait_for_server_status(self.admin_servers_client,
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server_id, state)
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self._migrate_server_to(server_id, target_host, volume_backed)
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waiters.wait_for_server_status(self.servers_client, server_id, state)
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migration_list = (self.admin_migration_client.list_migrations()
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['migrations'])
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msg = ("Live Migration failed. Migrations list for Instance "
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"%s: [" % server_id)
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for live_migration in migration_list:
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if (live_migration['instance_uuid'] == server_id):
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msg += "\n%s" % live_migration
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msg += "]"
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self.assertEqual(target_host, self._get_host_for_server(server_id),
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msg)
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@test.idempotent_id('1dce86b8-eb04-4c03-a9d8-9c1dc3ee0c7b')
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def test_live_block_migration(self):
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self._test_live_migration()
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@test.idempotent_id('1e107f21-61b2-4988-8f22-b196e938ab88')
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@testtools.skipUnless(CONF.compute_feature_enabled.pause,
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'Pause is not available.')
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def test_live_block_migration_paused(self):
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self._test_live_migration(state='PAUSED')
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@test.idempotent_id('5071cf17-3004-4257-ae61-73a84e28badd')
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@test.services('volume')
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def test_volume_backed_live_migration(self):
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self._test_live_migration(volume_backed=True)
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@test.idempotent_id('e19c0cc6-6720-4ed8-be83-b6603ed5c812')
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@testtools.skipIf(not CONF.compute_feature_enabled.
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block_migration_for_live_migration,
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'Block Live migration not available')
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@testtools.skipIf(not CONF.compute_feature_enabled.
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block_migrate_cinder_iscsi,
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'Block Live migration not configured for iSCSI')
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def test_iscsi_volume(self):
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server_id = self.create_test_server(wait_until="ACTIVE")['id']
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actual_host = self._get_host_for_server(server_id)
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target_host = self._get_host_other_than(actual_host)
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volume = self.volumes_client.create_volume(
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display_name='test')['volume']
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self.volumes_client.wait_for_volume_status(volume['id'],
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'available')
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self.addCleanup(self._volume_clean_up, server_id, volume['id'])
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# Attach the volume to the server
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self.servers_client.attach_volume(server_id, volumeId=volume['id'],
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device='/dev/xvdb')
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self.volumes_client.wait_for_volume_status(volume['id'], 'in-use')
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self._migrate_server_to(server_id, target_host)
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waiters.wait_for_server_status(self.servers_client,
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server_id, 'ACTIVE')
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self.assertEqual(target_host, self._get_host_for_server(server_id))
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