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# Copyright 2014 Scality
# 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 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
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)
@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()
@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)
@decorators.attr(type=['slow', 'multinode'])
@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)
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