Source code for scenario.test_snapshot_pattern

# Copyright 2013 NEC Corporation
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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
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#         http://www.apache.org/licenses/LICENSE-2.0
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#    Unless required by applicable law or agreed to in writing, software
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import testtools

from tempest.common import utils
from tempest import config
from tempest.lib import decorators
from tempest.scenario import manager

CONF = config.CONF


[docs]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.")
[docs] @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)