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# Copyright 2013 OpenStack Foundation
#
# 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 mock import patch
from oslo_utils import timeutils
from trove.backup import models as bkup_models
from trove.backup import state
from trove.common import exception as t_exception
from trove.common import utils
from trove.conductor import manager as conductor_manager
from trove.instance import models as t_models
from trove.instance.service_status import ServiceStatuses
from trove.tests.unittests import trove_testtools
from trove.tests.unittests.util import util
# See LP bug #1255178
OLD_DBB_SAVE = bkup_models.DBBackup.save
class ConductorMethodTests(trove_testtools.TestCase):
def setUp(self):
# See LP bug #1255178
bkup_models.DBBackup.save = OLD_DBB_SAVE
super(ConductorMethodTests, self).setUp()
util.init_db()
self.cond_mgr = conductor_manager.Manager()
self.instance_id = utils.generate_uuid()
def tearDown(self):
super(ConductorMethodTests, self).tearDown()
def _create_iss(self):
new_id = utils.generate_uuid()
iss = t_models.InstanceServiceStatus(
id=new_id,
instance_id=self.instance_id,
status=ServiceStatuses.NEW)
iss.save()
return new_id
def _get_iss(self, id):
return t_models.InstanceServiceStatus.find_by(id=id)
def _create_backup(self, name='fake backup'):
new_id = utils.generate_uuid()
backup = bkup_models.DBBackup.create(
id=new_id,
name=name,
description='This is a fake backup object.',
tenant_id=utils.generate_uuid(),
state=state.BackupState.NEW,
instance_id=self.instance_id)
backup.save()
return new_id
def _get_backup(self, id):
return bkup_models.DBBackup.find_by(id=id)
# --- Tests for heartbeat ---
def test_heartbeat_instance_not_found(self):
new_id = utils.generate_uuid()
self.assertRaises(t_exception.ModelNotFoundError,
self.cond_mgr.heartbeat, None, new_id, {})
@patch('trove.conductor.manager.LOG')
def test_heartbeat_instance_no_changes(self, mock_logging):
iss_id = self._create_iss()
old_iss = self._get_iss(iss_id)
self.cond_mgr.heartbeat(None, self.instance_id, {})
new_iss = self._get_iss(iss_id)
self.assertEqual(old_iss.status_id, new_iss.status_id)
self.assertEqual(old_iss.status_description,
new_iss.status_description)
@patch('trove.conductor.manager.LOG')
def test_heartbeat_instance_status_bogus_change(self, mock_logging):
iss_id = self._create_iss()
old_iss = self._get_iss(iss_id)
new_status = 'potato salad'
payload = {
'service_status': new_status,
}
self.assertRaises(ValueError, self.cond_mgr.heartbeat,
None, self.instance_id, payload)
new_iss = self._get_iss(iss_id)
self.assertEqual(old_iss.status_id, new_iss.status_id)
self.assertEqual(old_iss.status_description,
new_iss.status_description)
@patch('trove.conductor.manager.LOG')
def test_heartbeat_instance_status_changed(self, mock_logging):
iss_id = self._create_iss()
payload = {'service_status': ServiceStatuses.BUILDING.description}
self.cond_mgr.heartbeat(None, self.instance_id, payload)
iss = self._get_iss(iss_id)
self.assertEqual(ServiceStatuses.BUILDING, iss.status)
# --- Tests for update_backup ---
def test_backup_not_found(self):
new_bkup_id = utils.generate_uuid()
self.assertRaises(t_exception.ModelNotFoundError,
self.cond_mgr.update_backup,
None, self.instance_id, new_bkup_id)
@patch('trove.conductor.manager.LOG')
def test_backup_instance_id_nomatch(self, mock_logging):
new_iid = utils.generate_uuid()
bkup_id = self._create_backup('nomatch')
old_name = self._get_backup(bkup_id).name
self.cond_mgr.update_backup(None, new_iid, bkup_id,
name="remains unchanged")
bkup = self._get_backup(bkup_id)
self.assertEqual(old_name, bkup.name)
@patch('trove.conductor.manager.LOG')
def test_backup_bogus_fields_not_changed(self, mock_logging):
bkup_id = self._create_backup('bogus')
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
not_a_valid_field="INVALID")
bkup = self._get_backup(bkup_id)
self.assertFalse(hasattr(bkup, 'not_a_valid_field'))
@patch('trove.conductor.manager.LOG')
def test_backup_real_fields_changed(self, mock_logging):
bkup_id = self._create_backup('realrenamed')
new_name = "recently renamed"
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
name=new_name)
bkup = self._get_backup(bkup_id)
self.assertEqual(new_name, bkup.name)
# --- Tests for discarding old messages ---
@patch('trove.conductor.manager.LOG')
def test_heartbeat_newer_timestamp_accepted(self, mock_logging):
new_p = {'service_status': ServiceStatuses.NEW.description}
build_p = {'service_status': ServiceStatuses.BUILDING.description}
iss_id = self._create_iss()
iss = self._get_iss(iss_id)
now = timeutils.utcnow_ts(microsecond=True)
future = now + 60
self.cond_mgr.heartbeat(None, self.instance_id, new_p, sent=now)
self.cond_mgr.heartbeat(None, self.instance_id, build_p, sent=future)
iss = self._get_iss(iss_id)
self.assertEqual(ServiceStatuses.BUILDING, iss.status)
@patch('trove.conductor.manager.LOG')
def test_heartbeat_older_timestamp_discarded(self, mock_logging):
new_p = {'service_status': ServiceStatuses.NEW.description}
build_p = {'service_status': ServiceStatuses.BUILDING.description}
iss_id = self._create_iss()
iss = self._get_iss(iss_id)
now = timeutils.utcnow_ts(microsecond=True)
past = now - 60
self.cond_mgr.heartbeat(None, self.instance_id, new_p, sent=past)
self.cond_mgr.heartbeat(None, self.instance_id, build_p, sent=past)
iss = self._get_iss(iss_id)
self.assertEqual(ServiceStatuses.NEW, iss.status)
def test_backup_newer_timestamp_accepted(self):
old_name = "oldname"
new_name = "renamed"
bkup_id = self._create_backup(old_name)
bkup = self._get_backup(bkup_id)
now = timeutils.utcnow_ts(microsecond=True)
future = now + 60
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
sent=now, name=old_name)
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
sent=future, name=new_name)
bkup = self._get_backup(bkup_id)
self.assertEqual(new_name, bkup.name)
def test_backup_older_timestamp_discarded(self):
old_name = "oldname"
new_name = "renamed"
bkup_id = self._create_backup(old_name)
bkup = self._get_backup(bkup_id)
now = timeutils.utcnow_ts(microsecond=True)
past = now - 60
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
sent=now, name=old_name)
self.cond_mgr.update_backup(None, self.instance_id, bkup_id,
sent=past, name=new_name)
bkup = self._get_backup(bkup_id)
self.assertEqual(old_name, bkup.name)
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