Pierre Riteau 2950909d9b Add scenario for flavor-based instance reservation
This scenario is enabled by default, but the configuration option
CONF.resource_reservation.flavor_instance_plugin can be set to False to
skip it.

Zuul configuration of stable branches are updated to skip this scenario.

Change-Id: I54932bb3d74411e324941d295d0241ad3fbae6ac
Depends-On: https://review.opendev.org/c/openstack/blazar/+/927413
2024-08-29 11:50:31 +02:00

127 lines
4.7 KiB
Python

# Copyright 2024 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.
import datetime
import testtools
from oslo_log import log as logging
from tempest.common import waiters
from tempest import config
from tempest.lib import decorators
from blazar_tempest_plugin.tests.scenario import (
resource_reservation_scenario as rrs)
CONF = config.CONF
LOG = logging.getLogger(__name__)
# same as the one at blazar/manager/service
LEASE_DATE_FORMAT = "%Y-%m-%d %H:%M"
class TestFlavorReservationScenario(rrs.ResourceReservationScenarioTest):
"""A scenario that checks the flavor-based instance reservation feature."""
def setUp(self):
super(TestFlavorReservationScenario, self).setUp()
# Setup image and flavor for the test instance
# Support both configured and injected values
if not hasattr(self, 'image_ref'):
self.image_ref = CONF.compute.image_ref
if not hasattr(self, 'flavor_ref'):
self.flavor_ref = CONF.compute.flavor_ref
if not self.is_flavor_enough(self.flavor_ref, self.image_ref):
raise self.skipException(
'{image} does not fit in {flavor}'.format(
image=self.image_ref, flavor=self.flavor_ref
)
)
self.host = self._add_host_once()
def tearDown(self):
super(TestFlavorReservationScenario, self).tearDown()
def get_lease_body(self, lease_name):
current_time = datetime.datetime.utcnow()
end_time = current_time + datetime.timedelta(hours=1)
body = {
"start_date": "now",
"end_date": end_time.strftime(LEASE_DATE_FORMAT),
"name": lease_name,
"events": [],
}
body["reservations"] = [
{
"resource_type": 'flavor:instance',
'flavor_id': self.flavor_ref,
'amount': 1,
'affinity': None,
'resource_properties': '',
}
]
return body
@decorators.attr(type='smoke')
@testtools.skipUnless(
CONF.resource_reservation.flavor_instance_plugin,
'Flavor-based instance reservation tests are disabled.')
def test_flavor_instance_reservation(self):
body = self.get_lease_body('flavor-instance-scenario')
lease = self.reservation_client.create_lease(body)['lease']
reservation = next(iter(lease['reservations']))
self.wait_for_lease_status(lease['id'], 'ACTIVE')
# create an instance within the reservation
create_kwargs = {
'image_id': CONF.compute.image_ref,
'flavor': reservation['id'],
}
server1 = self.create_server(clients=self.os_admin,
**create_kwargs)
# create another instance within the reservation, which is expected to
# fail because we are over the reserved capacity
create_kwargs = {
'image_id': CONF.compute.image_ref,
'flavor': reservation['id'],
}
server2 = self.create_server(clients=self.os_admin,
wait_until=None,
**create_kwargs)
waiters.wait_for_server_status(self.os_admin.servers_client,
server2['id'], 'ERROR',
raise_on_error=False)
# create an instance without specifying a reservation, which is
# expected to fail
create_kwargs = {
'image_id': CONF.compute.image_ref,
'flavor': CONF.compute.flavor_ref,
}
server3 = self.create_server(clients=self.os_admin,
wait_until=None,
**create_kwargs)
waiters.wait_for_server_status(self.os_admin.servers_client,
server3['id'], 'ERROR',
raise_on_error=False)
# delete the lease, which should trigger termination of the instance
self.reservation_client.delete_lease(lease['id'])
waiters.wait_for_server_termination(self.os_admin.servers_client,
server1['id'])