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# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# Author: Endre Karlson <endre.karlson@hpe.com>
#
# 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.
import datetime
from oslo_log import log as logging
from oslo_utils import timeutils
from designate.storage.impl_sqlalchemy import tables
from designate.tests import TestCase
from designate.tests import fixtures
from designate.producer import tasks
LOG = logging.getLogger(__name__)
class DeletedZonePurgeTest(TestCase):
number_of_zones = 20
batch_size = 5
time_threshold = 24 * 60 * 60
def setUp(self):
super(DeletedZonePurgeTest, self).setUp()
self.config(
time_threshold=self.time_threshold,
batch_size=self.batch_size,
group="producer_task:zone_purge"
)
self.purge_task_fixture = self.useFixture(
fixtures.ZoneManagerTaskFixture(tasks.DeletedZonePurgeTask)
)
def _create_deleted_zone(self, name, mock_deletion_time):
# Create a zone and set it as deleted
zone = self.create_zone(name=name)
self._delete_zone(zone, mock_deletion_time)
def _fetch_all_zones(self):
# Fetch all zones including deleted ones.
query = tables.zones.select()
return self.central_service.storage.session.execute(query).fetchall()
def _delete_zone(self, zone, mock_deletion_time):
# Set a zone as deleted
zid = zone.id.replace('-', '')
query = tables.zones.update().where(tables.zones.c.id == zid).values(
action='NONE',
deleted=zid,
deleted_at=mock_deletion_time,
status='DELETED',
)
pxy = self.central_service.storage.session.execute(query)
self.assertEqual(1, pxy.rowcount)
def _create_deleted_zones(self):
# Create a number of deleted zones in the past days.
now = timeutils.utcnow()
for index in range(self.number_of_zones):
age = index * (self.time_threshold // self.number_of_zones * 2)
delta = datetime.timedelta(seconds=age)
deletion_time = now - delta
name = "example%d.org." % index
self._create_deleted_zone(name, deletion_time)
def test_purge_zones(self):
# Create X zones, run producer, check if half of the zones
# are remaining.
self.config(quota_zones=self.number_of_zones)
self._create_deleted_zones()
for remaining in reversed(range(self.number_of_zones // 2,
self.number_of_zones,
self.batch_size)):
self.purge_task_fixture.task()
zones = self._fetch_all_zones()
LOG.info("Number of zones: %d", len(zones))
self.assertEqual(remaining, len(zones))
remaning_zones = self._fetch_all_zones()
self.assertEqual(len(remaning_zones), self.number_of_zones // 2)
class PeriodicGenerateDelayedNotifyTaskTest(TestCase):
number_of_zones = 20
batch_size = 5
def setUp(self):
super(PeriodicGenerateDelayedNotifyTaskTest, self).setUp()
self.config(quota_zones=self.number_of_zones)
self.config(
interval=1,
batch_size=self.batch_size,
group="producer_task:delayed_notify"
)
self.generate_delayed_notify_task_fixture = self.useFixture(
fixtures.ZoneManagerTaskFixture(
tasks.PeriodicGenerateDelayedNotifyTask
)
)
def _fetch_zones(self, query):
# Fetch zones including deleted ones.
return self.central_service.storage.session.execute(query).fetchall()
def _create_zones(self):
# Create a number of zones; half of them with delayed_notify set.
for index in range(self.number_of_zones):
name = "example%d.org." % index
delayed_notify = (index % 2 == 0)
self.create_zone(
name=name,
delayed_notify=delayed_notify,
)
def test_generate_delayed_notify_zones(self):
# Create zones and set some of them as pending update.
self._create_zones()
for remaining in reversed(range(0,
self.number_of_zones // 2,
self.batch_size)):
self.generate_delayed_notify_task_fixture.task()
zones = self._fetch_zones(tables.zones.select().where(
tables.zones.c.delayed_notify))
self.assertEqual(remaining, len(zones))
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