patrole/patrole_tempest_plugin/tests/api/compute/test_server_volume_attachme...

222 lines
10 KiB
Python

# Copyright 2017 AT&T 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 time
from oslo_log import log as logging
import testtools
from tempest.common import waiters
from tempest import config
from tempest.lib import decorators
from tempest.lib import exceptions as lib_exc
from patrole_tempest_plugin import rbac_rule_validation
from patrole_tempest_plugin.tests.api.compute import rbac_base
CONF = config.CONF
LOG = logging.getLogger(__name__)
# FIXME(felipemonteiro): `@decorators.attr(type='slow')` are added to tests
# below to in effect cause the tests to be non-voting in Zuul due to a high
# rate of spurious failures related to volume attachments. This will be
# revisited at a later date.
class ServerVolumeAttachmentRbacTest(rbac_base.BaseV2ComputeRbacTest):
@classmethod
def setup_credentials(cls):
cls.set_network_resources(network=True, subnet=True, router=True)
super(ServerVolumeAttachmentRbacTest, cls).setup_credentials()
@classmethod
def setup_clients(cls):
super(ServerVolumeAttachmentRbacTest, cls).setup_clients()
cls.volumes_client = cls.os_primary.volumes_client_latest
@classmethod
def skip_checks(cls):
super(ServerVolumeAttachmentRbacTest, cls).skip_checks()
if not CONF.service_available.cinder:
skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
raise cls.skipException(skip_msg)
@classmethod
def resource_setup(cls):
super(ServerVolumeAttachmentRbacTest, cls).resource_setup()
cls.server = cls.create_test_server(wait_until='ACTIVE')
cls.volume = cls.create_volume()
def _detach_volume_and_wait_until_available(self, server, volume):
self.servers_client.detach_volume(server['id'],
volume['id'])
waiters.wait_for_volume_resource_status(self.volumes_client,
volume['id'], 'available')
def _recreate_volume(self):
try:
# In case detachment failed, update the DB status of the volume
# to avoid error getting thrown when deleting the volume.
self.volumes_client.reset_volume_status(
self.volume['id'], status='available',
attach_status='detached')
waiters.wait_for_volume_resource_status(
self.volumes_client, self.volume['id'], 'available')
# Next, forcibly delete the volume.
self.volumes_client.force_delete_volume(self.volume['id'])
self.volumes_client.wait_for_resource_deletion(self.volume['id'])
except lib_exc.TimeoutException:
LOG.exception('Failed to delete volume %s', self.volume['id'])
# Finally, re-create the volume.
self.__class__.volume = self.create_volume()
def _restore_volume_status(self):
# Forcibly detach any attachments still attached to the volume.
try:
attachments = self.volumes_client.show_volume(
self.volume['id'])['volume']['attachments']
if attachments:
# Tests below only ever create one attachment for the volume.
attachment = attachments[0]
self.volumes_client.force_detach_volume(
self.volume['id'], connector=None,
attachment_id=attachment['id'])
waiters.wait_for_volume_resource_status(self.volumes_client,
self.volume['id'],
'available')
except lib_exc.TimeoutException:
# If all else fails, rebuild the volume.
self._recreate_volume()
def setUp(self):
super(ServerVolumeAttachmentRbacTest, self).setUp()
self._restore_volume_status()
def wait_for_server_volume_swap(self, server_id, old_volume_id,
new_volume_id):
"""Waits for a server to swap the old volume to a new one."""
volume_attachments = self.servers_client.list_volume_attachments(
server_id)['volumeAttachments']
attached_volume_ids = [attachment['volumeId']
for attachment in volume_attachments]
start = int(time.time())
while (old_volume_id in attached_volume_ids) \
or (new_volume_id not in attached_volume_ids):
time.sleep(self.servers_client.build_interval)
volume_attachments = self.servers_client.list_volume_attachments(
server_id)['volumeAttachments']
attached_volume_ids = [attachment['volumeId']
for attachment in volume_attachments]
if int(time.time()) - start >= self.servers_client.build_timeout:
old_vol_bdm_status = 'in BDM' \
if old_volume_id in attached_volume_ids else 'not in BDM'
new_vol_bdm_status = 'in BDM' \
if new_volume_id in attached_volume_ids else 'not in BDM'
message = ('Failed to swap old volume %(old_volume_id)s '
'(current %(old_vol_bdm_status)s) to new volume '
'%(new_volume_id)s (current %(new_vol_bdm_status)s)'
' on server %(server_id)s within the required time '
'(%(timeout)s s)' %
{'old_volume_id': old_volume_id,
'old_vol_bdm_status': old_vol_bdm_status,
'new_volume_id': new_volume_id,
'new_vol_bdm_status': new_vol_bdm_status,
'server_id': server_id,
'timeout': self.servers_client.build_timeout})
raise lib_exc.TimeoutException(message)
@rbac_rule_validation.action(
service="nova",
rules=["os_compute_api:os-volumes-attachments:index"])
@decorators.idempotent_id('529b668b-6edb-41d5-8886-d7dbd0614678')
def test_list_volume_attachments(self):
with self.override_role():
self.servers_client.list_volume_attachments(self.server['id'])
@decorators.attr(type='slow')
@rbac_rule_validation.action(
service="nova",
rules=["os_compute_api:os-volumes-attachments:create"])
@decorators.idempotent_id('21c2c3fd-fbe8-41b1-8ef8-115ec47d54c1')
def test_create_volume_attachment(self):
with self.override_role():
self.servers_client.attach_volume(self.server['id'],
volumeId=self.volume['id'])
# On teardown detach the volume and wait for it to be available. This
# is so we don't error out when trying to delete the volume during
# teardown.
self.addCleanup(waiters.wait_for_volume_resource_status,
self.volumes_client, self.volume['id'], 'available')
# Ignore 404s on detach in case the server is deleted or the volume
# is already detached.
self.addCleanup(self._detach_volume, self.server, self.volume)
waiters.wait_for_volume_resource_status(self.volumes_client,
self.volume['id'], 'in-use')
@decorators.attr(type='slow')
@rbac_rule_validation.action(
service="nova",
rules=["os_compute_api:os-volumes-attachments:show"])
@decorators.idempotent_id('997df9c2-6e54-47b6-ab74-e4fdb500f385')
def test_show_volume_attachment(self):
attachment = self.attach_volume(self.server, self.volume)
with self.override_role():
self.servers_client.show_volume_attachment(
self.server['id'], attachment['id'])
@decorators.skip_because(bug='2008051', bug_type='storyboard')
@decorators.attr(type='slow')
@testtools.skipUnless(CONF.compute_feature_enabled.swap_volume,
'In-place swapping of volumes not supported.')
@rbac_rule_validation.action(
service="nova",
rules=["os_compute_api:os-volumes-attachments:update"])
@decorators.idempotent_id('bd667186-eca6-4b78-ab6a-3e2fabcb971f')
def test_update_volume_attachment(self):
volume1 = self.volume
volume2 = self.create_volume()
# Attach "volume1" to server
self.attach_volume(self.server, volume1)
with self.override_role():
# Swap volume from "volume1" to "volume2"
self.servers_client.update_attached_volume(
self.server['id'], volume1['id'], volumeId=volume2['id'])
self.addCleanup(self._detach_volume_and_wait_until_available,
self.server, volume2)
waiters.wait_for_volume_resource_status(self.volumes_client,
volume1['id'], 'available')
waiters.wait_for_volume_resource_status(self.volumes_client,
volume2['id'], 'in-use')
self.wait_for_server_volume_swap(self.server['id'], volume1['id'],
volume2['id'])
@decorators.attr(type='slow')
@rbac_rule_validation.action(
service="nova",
rules=["os_compute_api:os-volumes-attachments:delete"])
@decorators.idempotent_id('12b03e90-d087-46af-9c4d-507d021c4984')
def test_delete_volume_attachment(self):
self.attach_volume(self.server, self.volume)
with self.override_role():
self.servers_client.detach_volume(self.server['id'],
self.volume['id'])
waiters.wait_for_volume_resource_status(self.volumes_client,
self.volume['id'], 'available')