OpenStack Testing (Tempest) of an existing cloud
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# 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.
import testtools
from tempest.common import utils
from tempest import config
from tempest.lib import decorators
from tempest.scenario import manager
CONF = config.CONF
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
* add version metadata to the snapshot image
* boot a second instance from the snapshot
* check the existence of the timestamp file in the second instance
* snapshot the instance again
"""
@classmethod
def skip_checks(cls):
super(TestSnapshotPattern, cls).skip_checks()
if not CONF.compute_feature_enabled.snapshot:
raise cls.skipException("Snapshotting is not available.")
@decorators.idempotent_id('608e604b-1d63-4a82-8e3e-91bc665c90b4')
@decorators.attr(type='slow')
@testtools.skipUnless(CONF.network.public_network_id,
'The public_network_id option must be specified.')
@utils.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.create_server(
key_name=keypair['name'],
security_groups=[{'name': security_group['name']}])
instance_ip = self.get_server_ip(server)
timestamp = self.create_timestamp(instance_ip,
private_key=keypair['private_key'],
server=server)
# snapshot the instance
snapshot_image = self.create_server_snapshot(server=server)
# add version metadata to the snapshot image
self.image_client.update_image(
snapshot_image['id'], [dict(add='/version',
value='8.0')])
# boot a second instance from the snapshot
server_from_snapshot = self.create_server(
image_id=snapshot_image['id'],
key_name=keypair['name'],
security_groups=[{'name': security_group['name']}])
# check the existence of the timestamp file in the second instance
server_from_snapshot_ip = self.get_server_ip(server_from_snapshot)
timestamp2 = self.get_timestamp(server_from_snapshot_ip,
private_key=keypair['private_key'],
server=server_from_snapshot)
self.assertEqual(timestamp, timestamp2)
# snapshot the instance again
self.create_server_snapshot(server=server_from_snapshot)