Source code for scenario.test_shelve_instance

# Copyright 2014 Scality
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#    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
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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
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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import testtools

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

CONF = config.CONF


[docs]class TestShelveInstance(manager.ScenarioTest): """This test shelves then unshelves a Nova instance The following is the scenario outline: * boot an instance and create a timestamp file in it * shelve the instance * unshelve the instance * check the existence of the timestamp file in the unshelved instance * check the existence of the timestamp file in the unshelved instance, after a cold migrate """ credentials = ['primary', 'admin'] @classmethod def setup_clients(cls): super(TestShelveInstance, cls).setup_clients() cls.admin_servers_client = cls.os_admin.servers_client @classmethod def skip_checks(cls): super(TestShelveInstance, cls).skip_checks() if not CONF.compute_feature_enabled.shelve: raise cls.skipException("Shelve is not available.") def _shelve_then_unshelve_server(self, server): compute.shelve_server(self.servers_client, server['id'], force_shelve_offload=True) self.servers_client.unshelve_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'ACTIVE') def _cold_migrate_server(self, server): src_host = self.get_host_for_server(server['id']) self.admin_servers_client.migrate_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'VERIFY_RESIZE') self.servers_client.confirm_resize_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'ACTIVE') dst_host = self.get_host_for_server(server['id']) self.assertNotEqual(src_host, dst_host) def _create_server_then_shelve_and_unshelve(self, boot_from_volume=False, cold_migrate=False): keypair = self.create_keypair() security_group = self.create_security_group() security_groups = [{'name': security_group['name']}] server = self.create_server( key_name=keypair['name'], security_groups=security_groups, volume_backed=boot_from_volume) instance_ip = self.get_server_ip(server) timestamp = self.create_timestamp(instance_ip, private_key=keypair['private_key'], server=server) # Prevent bug #1257594 from coming back # Unshelve used to boot the instance with the original image, not # with the instance snapshot self._shelve_then_unshelve_server(server) if cold_migrate: # Prevent bug #1732428 from coming back self._cold_migrate_server(server) timestamp2 = self.get_timestamp(instance_ip, private_key=keypair['private_key'], server=server) self.assertEqual(timestamp, timestamp2)
[docs] @decorators.attr(type='slow') @decorators.idempotent_id('1164e700-0af0-4a4c-8792-35909a88743c') @testtools.skipUnless(CONF.network.public_network_id, 'The public_network_id option must be specified.') @utils.services('compute', 'network', 'image') def test_shelve_instance(self): self._create_server_then_shelve_and_unshelve()
[docs] @decorators.attr(type='slow') @decorators.idempotent_id('c1b6318c-b9da-490b-9c67-9339b627271f') @testtools.skipUnless(CONF.network.public_network_id, 'The public_network_id option must be specified.') @utils.services('compute', 'volume', 'network', 'image') def test_shelve_volume_backed_instance(self): self._create_server_then_shelve_and_unshelve(boot_from_volume=True)
[docs] @decorators.attr(type='slow') @decorators.idempotent_id('1295fd9e-193a-4cf8-b211-55358e021bae') @testtools.skipUnless(CONF.network.public_network_id, 'The public_network_id option must be specified.') @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration, 'Cold migration not available.') @testtools.skipUnless(CONF.compute_feature_enabled.shelve_migrate, 'Shelve migrate not available.') @testtools.skipUnless(CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode ' 'tests.') @utils.services('compute', 'network', 'image') def test_cold_migrate_unshelved_instance(self): self._create_server_then_shelve_and_unshelve(cold_migrate=True)