172 lines
6.6 KiB
Python
172 lines
6.6 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 random
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import string
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import testtools
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from tempest.api.compute import base
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from tempest import config
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from tempest import exceptions
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from tempest.test import attr
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class LiveBlockMigrationV3TestJSON(base.BaseV3ComputeAdminTest):
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_host_key = 'os-extended-server-attributes:host'
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_interface = 'json'
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CONF = config.CONF
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@classmethod
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def setUpClass(cls):
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super(LiveBlockMigrationV3TestJSON, cls).setUpClass()
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cls.admin_hosts_client = cls.hosts_admin_client
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cls.admin_servers_client = cls.servers_admin_client
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cls.created_server_ids = []
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def _get_compute_hostnames(self):
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_resp, body = self.admin_hosts_client.list_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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_resp, body = self.admin_servers_client.get_server(server_id)
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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):
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_resp, body = self.admin_servers_client.live_migrate_server(
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server_id, dest_host,
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self.config.compute_feature_enabled.
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block_migration_for_live_migration)
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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_non_existing_host_name(self):
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random_name = ''.join(
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random.choice(string.ascii_uppercase) for x in range(20))
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self.assertNotIn(random_name, self._get_compute_hostnames())
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return random_name
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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 _get_an_active_server(self):
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for server_id in self.created_server_ids:
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if 'ACTIVE' == self._get_server_status(server_id):
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return server_id
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else:
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_, server = self.create_test_server(wait_until="ACTIVE")
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server_id = server['id']
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self.password = server['admin_password']
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self.password = 'password'
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self.created_server_ids.append(server_id)
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return server_id
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def _volume_clean_up(self, server_id, volume_id):
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resp, body = self.volumes_client.get_volume(volume_id)
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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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@testtools.skipIf(not CONF.compute_feature_enabled.live_migration,
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'Live migration not available')
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@attr(type='gate')
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def test_live_block_migration(self):
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# Live block migrate an instance to another host
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if len(self._get_compute_hostnames()) < 2:
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raise self.skipTest(
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"Less than 2 compute nodes, skipping migration test.")
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server_id = self._get_an_active_server()
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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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self._migrate_server_to(server_id, target_host)
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self.servers_client.wait_for_server_status(server_id, 'ACTIVE')
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self.assertEqual(target_host, self._get_host_for_server(server_id))
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@testtools.skipIf(not CONF.compute_feature_enabled.live_migration,
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'Live migration not available')
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@attr(type='gate')
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def test_invalid_host_for_migration(self):
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# Migrating to an invalid host should not change the status
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server_id = self._get_an_active_server()
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target_host = self._get_non_existing_host_name()
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self.assertRaises(exceptions.BadRequest, self._migrate_server_to,
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server_id, target_host)
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self.assertEqual('ACTIVE', self._get_server_status(server_id))
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@testtools.skipIf(not CONF.compute_feature_enabled.live_migration or not
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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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@attr(type='gate')
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def test_iscsi_volume(self):
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# Live block migrate an instance to another host
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if len(self._get_compute_hostnames()) < 2:
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raise self.skipTest(
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"Less than 2 compute nodes, skipping migration test.")
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server_id = self._get_an_active_server()
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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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resp, volume = self.volumes_client.create_volume(1,
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display_name='test')
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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, 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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self.servers_client.wait_for_server_status(server_id, 'ACTIVE')
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self.assertEqual(target_host, self._get_host_for_server(server_id))
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@classmethod
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def tearDownClass(cls):
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for server_id in cls.created_server_ids:
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cls.servers_client.delete_server(server_id)
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super(LiveBlockMigrationV3TestJSON, cls).tearDownClass()
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class LiveBlockMigrationV3TestXML(LiveBlockMigrationV3TestJSON):
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_host_key = (
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'{http://docs.openstack.org/compute/ext/'
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'extended_server_attributes/api/v3}host')
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_interface = 'xml'
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