991 lines
42 KiB
Python
991 lines
42 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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"""
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Tests For Compute
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"""
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from nova import compute
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from nova.compute import instance_types
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from nova.compute import manager as compute_manager
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from nova.compute import power_state
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from nova import context
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from nova import db
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from nova.db.sqlalchemy import models
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from nova import exception
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from nova import flags
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import nova.image.fake
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from nova import log as logging
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from nova import rpc
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from nova import test
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from nova import utils
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from nova.notifier import test_notifier
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LOG = logging.getLogger('nova.tests.compute')
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FLAGS = flags.FLAGS
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flags.DECLARE('stub_network', 'nova.compute.manager')
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flags.DECLARE('live_migration_retry_count', 'nova.compute.manager')
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class FakeTime(object):
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def __init__(self):
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self.counter = 0
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def sleep(self, t):
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self.counter += t
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def nop_report_driver_status(self):
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pass
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class ComputeTestCase(test.TestCase):
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"""Test case for compute"""
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def setUp(self):
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super(ComputeTestCase, self).setUp()
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self.flags(connection_type='fake',
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stub_network=True,
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notification_driver='nova.notifier.test_notifier',
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network_manager='nova.network.manager.FlatManager')
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self.compute = utils.import_object(FLAGS.compute_manager)
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self.compute_api = compute.API()
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self.user_id = 'fake'
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self.project_id = 'fake'
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self.context = context.RequestContext(self.user_id, self.project_id)
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test_notifier.NOTIFICATIONS = []
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def fake_show(meh, context, id):
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return {'id': 1, 'properties': {'kernel_id': 1, 'ramdisk_id': 1}}
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self.stubs.Set(nova.image.fake._FakeImageService, 'show', fake_show)
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def _create_instance(self, params={}):
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"""Create a test instance"""
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inst = {}
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inst['image_ref'] = 1
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inst['reservation_id'] = 'r-fakeres'
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inst['launch_time'] = '10'
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inst['user_id'] = self.user_id
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inst['project_id'] = self.project_id
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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inst['instance_type_id'] = type_id
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inst['ami_launch_index'] = 0
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inst.update(params)
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return db.instance_create(self.context, inst)['id']
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def _create_instance_type(self, params={}):
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"""Create a test instance"""
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context = self.context.elevated()
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inst = {}
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inst['name'] = 'm1.small'
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inst['memory_mb'] = '1024'
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inst['vcpus'] = '1'
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inst['local_gb'] = '20'
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inst['flavorid'] = '1'
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inst['swap'] = '2048'
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inst['rxtx_quota'] = 100
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inst['rxtx_cap'] = 200
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inst.update(params)
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return db.instance_type_create(context, inst)['id']
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def _create_group(self):
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values = {'name': 'testgroup',
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'description': 'testgroup',
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'user_id': self.user_id,
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'project_id': self.project_id}
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return db.security_group_create(self.context, values)
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def _get_dummy_instance(self):
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"""Get mock-return-value instance object
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Use this when any testcase executed later than test_run_terminate
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"""
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vol1 = models.Volume()
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vol1['id'] = 1
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vol2 = models.Volume()
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vol2['id'] = 2
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instance_ref = models.Instance()
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instance_ref['id'] = 1
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instance_ref['volumes'] = [vol1, vol2]
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instance_ref['hostname'] = 'hostname-1'
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instance_ref['host'] = 'dummy'
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return instance_ref
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def test_create_instance_defaults_display_name(self):
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"""Verify that an instance cannot be created without a display_name."""
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cases = [dict(), dict(display_name=None)]
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for instance in cases:
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ref = self.compute_api.create(self.context,
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instance_types.get_default_instance_type(), None, **instance)
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try:
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self.assertNotEqual(ref[0]['display_name'], None)
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finally:
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db.instance_destroy(self.context, ref[0]['id'])
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def test_create_instance_associates_security_groups(self):
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"""Make sure create associates security groups"""
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group = self._create_group()
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ref = self.compute_api.create(
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self.context,
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instance_type=instance_types.get_default_instance_type(),
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image_href=None,
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security_group=['testgroup'])
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try:
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self.assertEqual(len(db.security_group_get_by_instance(
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self.context, ref[0]['id'])), 1)
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group = db.security_group_get(self.context, group['id'])
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self.assert_(len(group.instances) == 1)
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finally:
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db.security_group_destroy(self.context, group['id'])
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db.instance_destroy(self.context, ref[0]['id'])
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def test_default_hostname_generator(self):
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cases = [(None, 'server_1'), ('Hello, Server!', 'hello_server'),
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('<}\x1fh\x10e\x08l\x02l\x05o\x12!{>', 'hello')]
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for display_name, hostname in cases:
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ref = self.compute_api.create(self.context,
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instance_types.get_default_instance_type(), None,
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display_name=display_name)
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try:
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self.assertEqual(ref[0]['hostname'], hostname)
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finally:
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db.instance_destroy(self.context, ref[0]['id'])
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def test_destroy_instance_disassociates_security_groups(self):
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"""Make sure destroying disassociates security groups"""
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group = self._create_group()
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ref = self.compute_api.create(
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self.context,
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instance_type=instance_types.get_default_instance_type(),
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image_href=None,
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security_group=['testgroup'])
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try:
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db.instance_destroy(self.context, ref[0]['id'])
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group = db.security_group_get(self.context, group['id'])
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self.assert_(len(group.instances) == 0)
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finally:
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db.security_group_destroy(self.context, group['id'])
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def test_destroy_security_group_disassociates_instances(self):
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"""Make sure destroying security groups disassociates instances"""
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group = self._create_group()
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ref = self.compute_api.create(
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self.context,
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instance_type=instance_types.get_default_instance_type(),
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image_href=None,
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security_group=['testgroup'])
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try:
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db.security_group_destroy(self.context, group['id'])
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group = db.security_group_get(context.get_admin_context(
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read_deleted=True), group['id'])
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self.assert_(len(group.instances) == 0)
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finally:
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db.instance_destroy(self.context, ref[0]['id'])
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def test_run_terminate(self):
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"""Make sure it is possible to run and terminate instance"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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instances = db.instance_get_all(context.get_admin_context())
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LOG.info(_("Running instances: %s"), instances)
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self.assertEqual(len(instances), 1)
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self.compute.terminate_instance(self.context, instance_id)
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instances = db.instance_get_all(context.get_admin_context())
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LOG.info(_("After terminating instances: %s"), instances)
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self.assertEqual(len(instances), 0)
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def test_run_terminate_timestamps(self):
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"""Make sure timestamps are set for launched and destroyed"""
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instance_id = self._create_instance()
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instance_ref = db.instance_get(self.context, instance_id)
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self.assertEqual(instance_ref['launched_at'], None)
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self.assertEqual(instance_ref['deleted_at'], None)
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launch = utils.utcnow()
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self.compute.run_instance(self.context, instance_id)
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instance_ref = db.instance_get(self.context, instance_id)
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self.assert_(instance_ref['launched_at'] > launch)
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self.assertEqual(instance_ref['deleted_at'], None)
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terminate = utils.utcnow()
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self.compute.terminate_instance(self.context, instance_id)
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self.context = self.context.elevated(True)
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instance_ref = db.instance_get(self.context, instance_id)
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self.assert_(instance_ref['launched_at'] < terminate)
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self.assert_(instance_ref['deleted_at'] > terminate)
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def test_stop(self):
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"""Ensure instance can be stopped"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.stop_instance(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_start(self):
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"""Ensure instance can be started"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.stop_instance(self.context, instance_id)
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self.compute.start_instance(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_pause(self):
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"""Ensure instance can be paused"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.pause_instance(self.context, instance_id)
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self.compute.unpause_instance(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_suspend(self):
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"""ensure instance can be suspended"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.suspend_instance(self.context, instance_id)
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self.compute.resume_instance(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_reboot(self):
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"""Ensure instance can be rebooted"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.reboot_instance(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_set_admin_password(self):
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"""Ensure instance can have its admin password set"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.set_admin_password(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_inject_file(self):
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"""Ensure we can write a file to an instance"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.inject_file(self.context, instance_id, "/tmp/test",
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"File Contents")
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self.compute.terminate_instance(self.context, instance_id)
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def test_agent_update(self):
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"""Ensure instance can have its agent updated"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.compute.agent_update(self.context, instance_id,
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'http://127.0.0.1/agent', '00112233445566778899aabbccddeeff')
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self.compute.terminate_instance(self.context, instance_id)
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def test_snapshot(self):
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"""Ensure instance can be snapshotted"""
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instance_id = self._create_instance()
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name = "myfakesnapshot"
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self.compute.run_instance(self.context, instance_id)
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self.compute.snapshot_instance(self.context, instance_id, name)
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self.compute.terminate_instance(self.context, instance_id)
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def test_console_output(self):
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"""Make sure we can get console output from instance"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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console = self.compute.get_console_output(self.context,
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instance_id)
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self.assert_(console)
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self.compute.terminate_instance(self.context, instance_id)
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def test_ajax_console(self):
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"""Make sure we can get console output from instance"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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console = self.compute.get_ajax_console(self.context,
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instance_id)
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self.assert_(set(['token', 'host', 'port']).issubset(console.keys()))
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self.compute.terminate_instance(self.context, instance_id)
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def test_vnc_console(self):
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"""Make sure we can a vnc console for an instance."""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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console = self.compute.get_vnc_console(self.context,
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instance_id)
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self.assert_(console)
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self.compute.terminate_instance(self.context, instance_id)
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def test_run_instance_usage_notification(self):
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"""Ensure run instance generates apropriate usage notification"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
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msg = test_notifier.NOTIFICATIONS[0]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.create')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance_id)
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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self.assertTrue('display_name' in payload)
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self.assertTrue('created_at' in payload)
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self.assertTrue('launched_at' in payload)
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self.assertEquals(payload['image_ref'], '1')
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self.compute.terminate_instance(self.context, instance_id)
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def test_terminate_usage_notification(self):
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"""Ensure terminate_instance generates apropriate usage notification"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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test_notifier.NOTIFICATIONS = []
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self.compute.terminate_instance(self.context, instance_id)
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self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
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msg = test_notifier.NOTIFICATIONS[0]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.delete')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance_id)
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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self.assertTrue('display_name' in payload)
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self.assertTrue('created_at' in payload)
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self.assertTrue('launched_at' in payload)
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self.assertEquals(payload['image_ref'], '1')
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def test_run_instance_existing(self):
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"""Ensure failure when running an instance that already exists"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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self.assertRaises(exception.Error,
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self.compute.run_instance,
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self.context,
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instance_id)
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self.compute.terminate_instance(self.context, instance_id)
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def test_lock(self):
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"""ensure locked instance cannot be changed"""
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instance_id = self._create_instance()
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self.compute.run_instance(self.context, instance_id)
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non_admin_context = context.RequestContext(None, None, False, False)
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# decorator should return False (fail) with locked nonadmin context
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self.compute.lock_instance(self.context, instance_id)
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ret_val = self.compute.reboot_instance(non_admin_context, instance_id)
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self.assertEqual(ret_val, False)
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# decorator should return None (success) with unlocked nonadmin context
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self.compute.unlock_instance(self.context, instance_id)
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ret_val = self.compute.reboot_instance(non_admin_context, instance_id)
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self.assertEqual(ret_val, None)
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self.compute.terminate_instance(self.context, instance_id)
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def test_finish_resize(self):
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"""Contrived test to ensure finish_resize doesn't raise anything"""
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def fake(*args, **kwargs):
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pass
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self.stubs.Set(self.compute.driver, 'finish_migration', fake)
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self.stubs.Set(self.compute.network_api, 'get_instance_nw_info', fake)
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context = self.context.elevated()
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instance_id = self._create_instance()
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instance_ref = db.instance_get(context, instance_id)
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self.compute.prep_resize(context, instance_ref['uuid'], 1)
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migration_ref = db.migration_get_by_instance_and_status(context,
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instance_ref['uuid'], 'pre-migrating')
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try:
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self.compute.finish_resize(context, instance_ref['uuid'],
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int(migration_ref['id']), {})
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except KeyError, e:
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# Only catch key errors. We want other reasons for the test to
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# fail to actually error out so we don't obscure anything
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self.fail()
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self.compute.terminate_instance(self.context, instance_id)
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def test_resize_instance_notification(self):
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"""Ensure notifications on instance migrate/resize"""
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instance_id = self._create_instance()
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context = self.context.elevated()
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inst_ref = db.instance_get(context, instance_id)
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self.compute.run_instance(self.context, instance_id)
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test_notifier.NOTIFICATIONS = []
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db.instance_update(self.context, instance_id, {'host': 'foo'})
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self.compute.prep_resize(context, inst_ref['uuid'], 1)
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migration_ref = db.migration_get_by_instance_and_status(context,
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inst_ref['uuid'], 'pre-migrating')
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self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
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msg = test_notifier.NOTIFICATIONS[0]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.resize.prep')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
|
|
self.assertEquals(payload['instance_id'], instance_id)
|
|
self.assertEquals(payload['instance_type'], 'm1.tiny')
|
|
type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
|
|
self.assertEquals(str(payload['instance_type_id']), str(type_id))
|
|
self.assertTrue('display_name' in payload)
|
|
self.assertTrue('created_at' in payload)
|
|
self.assertTrue('launched_at' in payload)
|
|
self.assertEquals(payload['image_ref'], '1')
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_resize_instance(self):
|
|
"""Ensure instance can be migrated/resized"""
|
|
instance_id = self._create_instance()
|
|
context = self.context.elevated()
|
|
inst_ref = db.instance_get(context, instance_id)
|
|
|
|
self.compute.run_instance(self.context, instance_id)
|
|
db.instance_update(self.context, inst_ref['uuid'],
|
|
{'host': 'foo'})
|
|
self.compute.prep_resize(context, inst_ref['uuid'], 1)
|
|
migration_ref = db.migration_get_by_instance_and_status(context,
|
|
inst_ref['uuid'], 'pre-migrating')
|
|
self.compute.resize_instance(context, inst_ref['uuid'],
|
|
migration_ref['id'])
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_resize_invalid_flavor_fails(self):
|
|
"""Ensure invalid flavors raise"""
|
|
instance_id = self._create_instance()
|
|
context = self.context.elevated()
|
|
self.compute.run_instance(self.context, instance_id)
|
|
|
|
self.assertRaises(exception.NotFound, self.compute_api.resize,
|
|
context, instance_id, 200)
|
|
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_resize_down_fails(self):
|
|
"""Ensure resizing down raises and fails"""
|
|
context = self.context.elevated()
|
|
instance_id = self._create_instance()
|
|
|
|
self.compute.run_instance(self.context, instance_id)
|
|
inst_type = instance_types.get_instance_type_by_name('m1.xlarge')
|
|
db.instance_update(self.context, instance_id,
|
|
{'instance_type_id': inst_type['id']})
|
|
|
|
self.assertRaises(exception.ApiError, self.compute_api.resize,
|
|
context, instance_id, 1)
|
|
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_resize_same_size_fails(self):
|
|
"""Ensure invalid flavors raise"""
|
|
context = self.context.elevated()
|
|
instance_id = self._create_instance()
|
|
|
|
self.compute.run_instance(self.context, instance_id)
|
|
|
|
self.assertRaises(exception.ApiError, self.compute_api.resize,
|
|
context, instance_id, 1)
|
|
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_finish_revert_resize(self):
|
|
"""Ensure that the flavor is reverted to the original on revert"""
|
|
context = self.context.elevated()
|
|
instance_id = self._create_instance()
|
|
|
|
def fake(*args, **kwargs):
|
|
pass
|
|
|
|
self.stubs.Set(self.compute.driver, 'finish_migration', fake)
|
|
self.stubs.Set(self.compute.driver, 'revert_migration', fake)
|
|
self.stubs.Set(self.compute.network_api, 'get_instance_nw_info', fake)
|
|
|
|
self.compute.run_instance(self.context, instance_id)
|
|
|
|
# Confirm the instance size before the resize starts
|
|
inst_ref = db.instance_get(context, instance_id)
|
|
instance_type_ref = db.instance_type_get(context,
|
|
inst_ref['instance_type_id'])
|
|
self.assertEqual(instance_type_ref['flavorid'], 1)
|
|
|
|
db.instance_update(self.context, instance_id, {'host': 'foo'})
|
|
|
|
self.compute.prep_resize(context, inst_ref['uuid'], 3)
|
|
|
|
migration_ref = db.migration_get_by_instance_and_status(context,
|
|
inst_ref['uuid'], 'pre-migrating')
|
|
|
|
self.compute.resize_instance(context, inst_ref['uuid'],
|
|
migration_ref['id'])
|
|
self.compute.finish_resize(context, inst_ref['uuid'],
|
|
int(migration_ref['id']), {})
|
|
|
|
# Prove that the instance size is now the new size
|
|
inst_ref = db.instance_get(context, instance_id)
|
|
instance_type_ref = db.instance_type_get(context,
|
|
inst_ref['instance_type_id'])
|
|
self.assertEqual(instance_type_ref['flavorid'], 3)
|
|
|
|
# Finally, revert and confirm the old flavor has been applied
|
|
self.compute.revert_resize(context, inst_ref['uuid'],
|
|
migration_ref['id'])
|
|
self.compute.finish_revert_resize(context, inst_ref['uuid'],
|
|
migration_ref['id'])
|
|
|
|
inst_ref = db.instance_get(context, instance_id)
|
|
instance_type_ref = db.instance_type_get(context,
|
|
inst_ref['instance_type_id'])
|
|
self.assertEqual(instance_type_ref['flavorid'], 1)
|
|
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def test_get_by_flavor_id(self):
|
|
type = instance_types.get_instance_type_by_flavor_id(1)
|
|
self.assertEqual(type['name'], 'm1.tiny')
|
|
|
|
def test_resize_same_source_fails(self):
|
|
"""Ensure instance fails to migrate when source and destination are
|
|
the same host"""
|
|
instance_id = self._create_instance()
|
|
self.compute.run_instance(self.context, instance_id)
|
|
inst_ref = db.instance_get(self.context, instance_id)
|
|
self.assertRaises(exception.Error, self.compute.prep_resize,
|
|
self.context, inst_ref['uuid'], 1)
|
|
self.compute.terminate_instance(self.context, instance_id)
|
|
|
|
def test_migrate(self):
|
|
context = self.context.elevated()
|
|
instance_id = self._create_instance()
|
|
self.compute.run_instance(self.context, instance_id)
|
|
# Migrate simply calls resize() without a flavor_id.
|
|
self.compute_api.resize(context, instance_id, None)
|
|
self.compute.terminate_instance(context, instance_id)
|
|
|
|
def _setup_other_managers(self):
|
|
self.volume_manager = utils.import_object(FLAGS.volume_manager)
|
|
self.network_manager = utils.import_object(FLAGS.network_manager)
|
|
self.compute_driver = utils.import_object(FLAGS.compute_driver)
|
|
|
|
def test_pre_live_migration_instance_has_no_fixed_ip(self):
|
|
"""Confirm raising exception if instance doesn't have fixed_ip."""
|
|
instance_ref = self._get_dummy_instance()
|
|
c = context.get_admin_context()
|
|
i_id = instance_ref['id']
|
|
|
|
dbmock = self.mox.CreateMock(db)
|
|
dbmock.instance_get(c, i_id).AndReturn(instance_ref)
|
|
dbmock.instance_get_fixed_addresses(c, i_id).AndReturn(None)
|
|
|
|
self.compute.db = dbmock
|
|
self.mox.ReplayAll()
|
|
self.assertRaises(exception.NotFound,
|
|
self.compute.pre_live_migration,
|
|
c, instance_ref['id'], time=FakeTime())
|
|
|
|
def test_pre_live_migration_instance_has_volume(self):
|
|
"""Confirm setup_compute_volume is called when volume is mounted."""
|
|
i_ref = self._get_dummy_instance()
|
|
c = context.get_admin_context()
|
|
|
|
self._setup_other_managers()
|
|
dbmock = self.mox.CreateMock(db)
|
|
volmock = self.mox.CreateMock(self.volume_manager)
|
|
drivermock = self.mox.CreateMock(self.compute_driver)
|
|
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
dbmock.instance_get_fixed_addresses(c, i_ref['id']).AndReturn('dummy')
|
|
for i in range(len(i_ref['volumes'])):
|
|
vid = i_ref['volumes'][i]['id']
|
|
volmock.setup_compute_volume(c, vid).InAnyOrder('g1')
|
|
drivermock.plug_vifs(i_ref, [])
|
|
drivermock.ensure_filtering_rules_for_instance(i_ref)
|
|
|
|
self.compute.db = dbmock
|
|
self.compute.volume_manager = volmock
|
|
self.compute.driver = drivermock
|
|
|
|
self.mox.ReplayAll()
|
|
ret = self.compute.pre_live_migration(c, i_ref['id'])
|
|
self.assertEqual(ret, None)
|
|
|
|
def test_pre_live_migration_instance_has_no_volume(self):
|
|
"""Confirm log meg when instance doesn't mount any volumes."""
|
|
i_ref = self._get_dummy_instance()
|
|
i_ref['volumes'] = []
|
|
c = context.get_admin_context()
|
|
|
|
self._setup_other_managers()
|
|
dbmock = self.mox.CreateMock(db)
|
|
drivermock = self.mox.CreateMock(self.compute_driver)
|
|
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
dbmock.instance_get_fixed_addresses(c, i_ref['id']).AndReturn('dummy')
|
|
self.mox.StubOutWithMock(compute_manager.LOG, 'info')
|
|
compute_manager.LOG.info(_("%s has no volume."), i_ref['hostname'])
|
|
drivermock.plug_vifs(i_ref, [])
|
|
drivermock.ensure_filtering_rules_for_instance(i_ref)
|
|
|
|
self.compute.db = dbmock
|
|
self.compute.driver = drivermock
|
|
|
|
self.mox.ReplayAll()
|
|
ret = self.compute.pre_live_migration(c, i_ref['id'], time=FakeTime())
|
|
self.assertEqual(ret, None)
|
|
|
|
def test_pre_live_migration_setup_compute_node_fail(self):
|
|
"""Confirm operation setup_compute_network() fails.
|
|
|
|
It retries and raise exception when timeout exceeded.
|
|
|
|
"""
|
|
|
|
i_ref = self._get_dummy_instance()
|
|
c = context.get_admin_context()
|
|
|
|
self._setup_other_managers()
|
|
dbmock = self.mox.CreateMock(db)
|
|
netmock = self.mox.CreateMock(self.network_manager)
|
|
volmock = self.mox.CreateMock(self.volume_manager)
|
|
drivermock = self.mox.CreateMock(self.compute_driver)
|
|
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
dbmock.instance_get_fixed_addresses(c, i_ref['id']).AndReturn('dummy')
|
|
for i in range(len(i_ref['volumes'])):
|
|
volmock.setup_compute_volume(c, i_ref['volumes'][i]['id'])
|
|
for i in range(FLAGS.live_migration_retry_count):
|
|
drivermock.plug_vifs(i_ref, []).\
|
|
AndRaise(exception.ProcessExecutionError())
|
|
|
|
self.compute.db = dbmock
|
|
self.compute.network_manager = netmock
|
|
self.compute.volume_manager = volmock
|
|
self.compute.driver = drivermock
|
|
|
|
self.mox.ReplayAll()
|
|
self.assertRaises(exception.ProcessExecutionError,
|
|
self.compute.pre_live_migration,
|
|
c, i_ref['id'], time=FakeTime())
|
|
|
|
def test_live_migration_works_correctly_with_volume(self):
|
|
"""Confirm check_for_export to confirm volume health check."""
|
|
i_ref = self._get_dummy_instance()
|
|
c = context.get_admin_context()
|
|
topic = db.queue_get_for(c, FLAGS.compute_topic, i_ref['host'])
|
|
|
|
dbmock = self.mox.CreateMock(db)
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
self.mox.StubOutWithMock(rpc, 'call')
|
|
rpc.call(c, FLAGS.volume_topic, {"method": "check_for_export",
|
|
"args": {'instance_id': i_ref['id']}})
|
|
dbmock.queue_get_for(c, FLAGS.compute_topic, i_ref['host']).\
|
|
AndReturn(topic)
|
|
rpc.call(c, topic, {"method": "pre_live_migration",
|
|
"args": {'instance_id': i_ref['id']}})
|
|
self.mox.StubOutWithMock(self.compute.driver, 'live_migration')
|
|
self.compute.driver.live_migration(c, i_ref, i_ref['host'],
|
|
self.compute.post_live_migration,
|
|
self.compute.recover_live_migration)
|
|
|
|
self.compute.db = dbmock
|
|
self.mox.ReplayAll()
|
|
ret = self.compute.live_migration(c, i_ref['id'], i_ref['host'])
|
|
self.assertEqual(ret, None)
|
|
|
|
def test_live_migration_dest_raises_exception(self):
|
|
"""Confirm exception when pre_live_migration fails."""
|
|
i_ref = self._get_dummy_instance()
|
|
c = context.get_admin_context()
|
|
topic = db.queue_get_for(c, FLAGS.compute_topic, i_ref['host'])
|
|
|
|
dbmock = self.mox.CreateMock(db)
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
self.mox.StubOutWithMock(rpc, 'call')
|
|
rpc.call(c, FLAGS.volume_topic, {"method": "check_for_export",
|
|
"args": {'instance_id': i_ref['id']}})
|
|
dbmock.queue_get_for(c, FLAGS.compute_topic, i_ref['host']).\
|
|
AndReturn(topic)
|
|
rpc.call(c, topic, {"method": "pre_live_migration",
|
|
"args": {'instance_id': i_ref['id']}}).\
|
|
AndRaise(rpc.RemoteError('', '', ''))
|
|
dbmock.instance_update(c, i_ref['id'], {'state_description': 'running',
|
|
'state': power_state.RUNNING,
|
|
'host': i_ref['host']})
|
|
for v in i_ref['volumes']:
|
|
dbmock.volume_update(c, v['id'], {'status': 'in-use'})
|
|
|
|
self.compute.db = dbmock
|
|
self.mox.ReplayAll()
|
|
self.assertRaises(rpc.RemoteError,
|
|
self.compute.live_migration,
|
|
c, i_ref['id'], i_ref['host'])
|
|
|
|
def test_live_migration_dest_raises_exception_no_volume(self):
|
|
"""Same as above test(input pattern is different) """
|
|
i_ref = self._get_dummy_instance()
|
|
i_ref['volumes'] = []
|
|
c = context.get_admin_context()
|
|
topic = db.queue_get_for(c, FLAGS.compute_topic, i_ref['host'])
|
|
|
|
dbmock = self.mox.CreateMock(db)
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
dbmock.queue_get_for(c, FLAGS.compute_topic, i_ref['host']).\
|
|
AndReturn(topic)
|
|
self.mox.StubOutWithMock(rpc, 'call')
|
|
rpc.call(c, topic, {"method": "pre_live_migration",
|
|
"args": {'instance_id': i_ref['id']}}).\
|
|
AndRaise(rpc.RemoteError('', '', ''))
|
|
dbmock.instance_update(c, i_ref['id'], {'state_description': 'running',
|
|
'state': power_state.RUNNING,
|
|
'host': i_ref['host']})
|
|
|
|
self.compute.db = dbmock
|
|
self.mox.ReplayAll()
|
|
self.assertRaises(rpc.RemoteError,
|
|
self.compute.live_migration,
|
|
c, i_ref['id'], i_ref['host'])
|
|
|
|
def test_live_migration_works_correctly_no_volume(self):
|
|
"""Confirm live_migration() works as expected correctly."""
|
|
i_ref = self._get_dummy_instance()
|
|
i_ref['volumes'] = []
|
|
c = context.get_admin_context()
|
|
topic = db.queue_get_for(c, FLAGS.compute_topic, i_ref['host'])
|
|
|
|
dbmock = self.mox.CreateMock(db)
|
|
dbmock.instance_get(c, i_ref['id']).AndReturn(i_ref)
|
|
self.mox.StubOutWithMock(rpc, 'call')
|
|
dbmock.queue_get_for(c, FLAGS.compute_topic, i_ref['host']).\
|
|
AndReturn(topic)
|
|
rpc.call(c, topic, {"method": "pre_live_migration",
|
|
"args": {'instance_id': i_ref['id']}})
|
|
self.mox.StubOutWithMock(self.compute.driver, 'live_migration')
|
|
self.compute.driver.live_migration(c, i_ref, i_ref['host'],
|
|
self.compute.post_live_migration,
|
|
self.compute.recover_live_migration)
|
|
|
|
self.compute.db = dbmock
|
|
self.mox.ReplayAll()
|
|
ret = self.compute.live_migration(c, i_ref['id'], i_ref['host'])
|
|
self.assertEqual(ret, None)
|
|
|
|
def test_post_live_migration_working_correctly(self):
|
|
"""Confirm post_live_migration() works as expected correctly."""
|
|
dest = 'desthost'
|
|
flo_addr = '1.2.1.2'
|
|
|
|
# Preparing datas
|
|
c = context.get_admin_context()
|
|
instance_id = self._create_instance()
|
|
i_ref = db.instance_get(c, instance_id)
|
|
db.instance_update(c, i_ref['id'], {'state_description': 'migrating',
|
|
'state': power_state.PAUSED})
|
|
v_ref = db.volume_create(c, {'size': 1, 'instance_id': instance_id})
|
|
fix_addr = db.fixed_ip_create(c, {'address': '1.1.1.1',
|
|
'instance_id': instance_id})
|
|
fix_ref = db.fixed_ip_get_by_address(c, fix_addr)
|
|
flo_ref = db.floating_ip_create(c, {'address': flo_addr,
|
|
'fixed_ip_id': fix_ref['id']})
|
|
# reload is necessary before setting mocks
|
|
i_ref = db.instance_get(c, instance_id)
|
|
|
|
# Preparing mocks
|
|
self.mox.StubOutWithMock(self.compute.volume_manager,
|
|
'remove_compute_volume')
|
|
for v in i_ref['volumes']:
|
|
self.compute.volume_manager.remove_compute_volume(c, v['id'])
|
|
self.mox.StubOutWithMock(self.compute.driver, 'unfilter_instance')
|
|
self.compute.driver.unfilter_instance(i_ref, [])
|
|
|
|
# executing
|
|
self.mox.ReplayAll()
|
|
ret = self.compute.post_live_migration(c, i_ref, dest)
|
|
|
|
# make sure every data is rewritten to dest
|
|
i_ref = db.instance_get(c, i_ref['id'])
|
|
c1 = (i_ref['host'] == dest)
|
|
flo_refs = db.floating_ip_get_all_by_host(c, dest)
|
|
c2 = (len(flo_refs) != 0 and flo_refs[0]['address'] == flo_addr)
|
|
|
|
# post operaton
|
|
self.assertTrue(c1 and c2)
|
|
db.instance_destroy(c, instance_id)
|
|
db.volume_destroy(c, v_ref['id'])
|
|
db.floating_ip_destroy(c, flo_addr)
|
|
|
|
def test_run_kill_vm(self):
|
|
"""Detect when a vm is terminated behind the scenes"""
|
|
self.stubs.Set(compute_manager.ComputeManager,
|
|
'_report_driver_status', nop_report_driver_status)
|
|
|
|
instance_id = self._create_instance()
|
|
|
|
self.compute.run_instance(self.context, instance_id)
|
|
|
|
instances = db.instance_get_all(context.get_admin_context())
|
|
LOG.info(_("Running instances: %s"), instances)
|
|
self.assertEqual(len(instances), 1)
|
|
|
|
instance_name = instances[0].name
|
|
self.compute.driver.test_remove_vm(instance_name)
|
|
|
|
# Force the compute manager to do its periodic poll
|
|
error_list = self.compute.periodic_tasks(context.get_admin_context())
|
|
self.assertFalse(error_list)
|
|
|
|
instances = db.instance_get_all(context.get_admin_context())
|
|
LOG.info(_("After force-killing instances: %s"), instances)
|
|
self.assertEqual(len(instances), 1)
|
|
self.assertEqual(power_state.SHUTOFF, instances[0]['state'])
|
|
|
|
@staticmethod
|
|
def _parse_db_block_device_mapping(bdm_ref):
|
|
attr_list = ('delete_on_termination', 'device_name', 'no_device',
|
|
'virtual_name', 'volume_id', 'volume_size', 'snapshot_id')
|
|
bdm = {}
|
|
for attr in attr_list:
|
|
val = bdm_ref.get(attr, None)
|
|
if val:
|
|
bdm[attr] = val
|
|
|
|
return bdm
|
|
|
|
def test_update_block_device_mapping(self):
|
|
swap_size = 1
|
|
instance_type = {'swap': swap_size}
|
|
instance_id = self._create_instance()
|
|
mappings = [
|
|
{'virtual': 'ami', 'device': 'sda1'},
|
|
{'virtual': 'root', 'device': '/dev/sda1'},
|
|
|
|
{'virtual': 'swap', 'device': 'sdb4'},
|
|
{'virtual': 'swap', 'device': 'sdb3'},
|
|
{'virtual': 'swap', 'device': 'sdb2'},
|
|
{'virtual': 'swap', 'device': 'sdb1'},
|
|
|
|
{'virtual': 'ephemeral0', 'device': 'sdc1'},
|
|
{'virtual': 'ephemeral1', 'device': 'sdc2'},
|
|
{'virtual': 'ephemeral2', 'device': 'sdc3'}]
|
|
block_device_mapping = [
|
|
# root
|
|
{'device_name': '/dev/sda1',
|
|
'snapshot_id': 0x12345678,
|
|
'delete_on_termination': False},
|
|
|
|
|
|
# overwrite swap
|
|
{'device_name': '/dev/sdb2',
|
|
'snapshot_id': 0x23456789,
|
|
'delete_on_termination': False},
|
|
{'device_name': '/dev/sdb3',
|
|
'snapshot_id': 0x3456789A},
|
|
{'device_name': '/dev/sdb4',
|
|
'no_device': True},
|
|
|
|
# overwrite ephemeral
|
|
{'device_name': '/dev/sdc2',
|
|
'snapshot_id': 0x456789AB,
|
|
'delete_on_termination': False},
|
|
{'device_name': '/dev/sdc3',
|
|
'snapshot_id': 0x56789ABC},
|
|
{'device_name': '/dev/sdc4',
|
|
'no_device': True},
|
|
|
|
# volume
|
|
{'device_name': '/dev/sdd1',
|
|
'snapshot_id': 0x87654321,
|
|
'delete_on_termination': False},
|
|
{'device_name': '/dev/sdd2',
|
|
'snapshot_id': 0x98765432},
|
|
{'device_name': '/dev/sdd3',
|
|
'snapshot_id': 0xA9875463},
|
|
{'device_name': '/dev/sdd4',
|
|
'no_device': True}]
|
|
|
|
self.compute_api._update_image_block_device_mapping(
|
|
self.context, instance_type, instance_id, mappings)
|
|
|
|
bdms = [self._parse_db_block_device_mapping(bdm_ref)
|
|
for bdm_ref in db.block_device_mapping_get_all_by_instance(
|
|
self.context, instance_id)]
|
|
expected_result = [
|
|
{'virtual_name': 'swap', 'device_name': '/dev/sdb1',
|
|
'volume_size': swap_size},
|
|
{'virtual_name': 'ephemeral0', 'device_name': '/dev/sdc1'},
|
|
|
|
# NOTE(yamahata): ATM only ephemeral0 is supported.
|
|
# they're ignored for now
|
|
#{'virtual_name': 'ephemeral1', 'device_name': '/dev/sdc2'},
|
|
#{'virtual_name': 'ephemeral2', 'device_name': '/dev/sdc3'}
|
|
]
|
|
bdms.sort()
|
|
expected_result.sort()
|
|
self.assertDictListMatch(bdms, expected_result)
|
|
|
|
self.compute_api._update_block_device_mapping(
|
|
self.context, instance_types.get_default_instance_type(),
|
|
instance_id, block_device_mapping)
|
|
bdms = [self._parse_db_block_device_mapping(bdm_ref)
|
|
for bdm_ref in db.block_device_mapping_get_all_by_instance(
|
|
self.context, instance_id)]
|
|
expected_result = [
|
|
{'snapshot_id': 0x12345678, 'device_name': '/dev/sda1'},
|
|
|
|
{'virtual_name': 'swap', 'device_name': '/dev/sdb1',
|
|
'volume_size': swap_size},
|
|
{'snapshot_id': 0x23456789, 'device_name': '/dev/sdb2'},
|
|
{'snapshot_id': 0x3456789A, 'device_name': '/dev/sdb3'},
|
|
{'no_device': True, 'device_name': '/dev/sdb4'},
|
|
|
|
{'virtual_name': 'ephemeral0', 'device_name': '/dev/sdc1'},
|
|
{'snapshot_id': 0x456789AB, 'device_name': '/dev/sdc2'},
|
|
{'snapshot_id': 0x56789ABC, 'device_name': '/dev/sdc3'},
|
|
{'no_device': True, 'device_name': '/dev/sdc4'},
|
|
|
|
{'snapshot_id': 0x87654321, 'device_name': '/dev/sdd1'},
|
|
{'snapshot_id': 0x98765432, 'device_name': '/dev/sdd2'},
|
|
{'snapshot_id': 0xA9875463, 'device_name': '/dev/sdd3'},
|
|
{'no_device': True, 'device_name': '/dev/sdd4'}]
|
|
bdms.sort()
|
|
expected_result.sort()
|
|
self.assertDictListMatch(bdms, expected_result)
|
|
|
|
for bdm in db.block_device_mapping_get_all_by_instance(
|
|
self.context, instance_id):
|
|
db.block_device_mapping_destroy(self.context, bdm['id'])
|
|
self.compute.terminate_instance(self.context, instance_id)
|
|
|
|
def test_ephemeral_size(self):
|
|
local_size = 2
|
|
inst_type = {'local_gb': local_size}
|
|
self.assertEqual(self.compute_api._ephemeral_size(inst_type,
|
|
'ephemeral0'),
|
|
local_size)
|
|
self.assertEqual(self.compute_api._ephemeral_size(inst_type,
|
|
'ephemeral1'),
|
|
0)
|