tempest/tempest/scenario/test_snapshot_pattern.py

75 lines
2.9 KiB
Python

# Copyright 2013 NEC Corporation
# All Rights Reserved.
#
# 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 oslo_log import log
import testtools
from tempest import config
from tempest.scenario import manager
from tempest import test
CONF = config.CONF
LOG = log.getLogger(__name__)
class TestSnapshotPattern(manager.ScenarioTest):
"""This test is for snapshotting an instance and booting with it.
The following is the scenario outline:
* boot an instance and create a timestamp file in it
* snapshot the instance
* boot a second instance from the snapshot
* check the existence of the timestamp file in the second instance
"""
def _boot_image(self, image_id, keypair, security_group):
security_groups = [{'name': security_group['name']}]
create_kwargs = {
'key_name': keypair['name'],
'security_groups': security_groups
}
return self.create_server(image=image_id, create_kwargs=create_kwargs)
@test.idempotent_id('608e604b-1d63-4a82-8e3e-91bc665c90b4')
@testtools.skipUnless(CONF.compute_feature_enabled.snapshot,
'Snapshotting is not available.')
@test.services('compute', 'network', 'image')
def test_snapshot_pattern(self):
# prepare for booting an instance
keypair = self.create_keypair()
security_group = self._create_security_group()
# boot an instance and create a timestamp file in it
server = self._boot_image(CONF.compute.image_ref, keypair,
security_group)
instance_ip = self.get_server_or_ip(server)
timestamp = self.create_timestamp(instance_ip,
private_key=keypair['private_key'])
# snapshot the instance
snapshot_image = self.create_server_snapshot(server=server)
# boot a second instance from the snapshot
server_from_snapshot = self._boot_image(snapshot_image['id'],
keypair, security_group)
# check the existence of the timestamp file in the second instance
server_from_snapshot_ip = self.get_server_or_ip(server_from_snapshot)
timestamp2 = self.get_timestamp(server_from_snapshot_ip,
private_key=keypair['private_key'])
self.assertEqual(timestamp, timestamp2)