cinder/cinder/tests/test_volume_rpcapi.py

307 lines
12 KiB
Python

# Copyright 2012, Intel, Inc.
#
# 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.
"""
Unit Tests for cinder.volume.rpcapi
"""
import copy
from oslo_config import cfg
from oslo_serialization import jsonutils
from cinder import context
from cinder import db
from cinder import test
from cinder.volume import rpcapi as volume_rpcapi
CONF = cfg.CONF
class VolumeRpcAPITestCase(test.TestCase):
def setUp(self):
super(VolumeRpcAPITestCase, self).setUp()
self.context = context.get_admin_context()
vol = {}
vol['host'] = 'fake_host'
vol['availability_zone'] = CONF.storage_availability_zone
vol['status'] = "available"
vol['attach_status'] = "detached"
vol['metadata'] = {"test_key": "test_val"}
volume = db.volume_create(self.context, vol)
snpshot = {
'volume_id': 'fake_id',
'status': "creating",
'progress': '0%',
'volume_size': 0,
'display_name': 'fake_name',
'display_description': 'fake_description'}
snapshot = db.snapshot_create(self.context, snpshot)
self.fake_volume = jsonutils.to_primitive(volume)
self.fake_volume_metadata = volume["volume_metadata"]
self.fake_snapshot = jsonutils.to_primitive(snapshot)
self.fake_reservations = ["RESERVATION"]
def test_serialized_volume_has_id(self):
self.assertIn('id', self.fake_volume)
def _test_volume_api(self, method, rpc_method, **kwargs):
ctxt = context.RequestContext('fake_user', 'fake_project')
if 'rpcapi_class' in kwargs:
rpcapi_class = kwargs['rpcapi_class']
del kwargs['rpcapi_class']
else:
rpcapi_class = volume_rpcapi.VolumeAPI
rpcapi = rpcapi_class()
expected_retval = 'foo' if method == 'call' else None
target = {
"version": kwargs.pop('version', rpcapi.BASE_RPC_API_VERSION)
}
if 'request_spec' in kwargs:
spec = jsonutils.to_primitive(kwargs['request_spec'])
kwargs['request_spec'] = spec
expected_msg = copy.deepcopy(kwargs)
if 'volume' in expected_msg:
volume = expected_msg['volume']
del expected_msg['volume']
expected_msg['volume_id'] = volume['id']
if 'snapshot' in expected_msg:
snapshot = expected_msg['snapshot']
del expected_msg['snapshot']
expected_msg['snapshot_id'] = snapshot['id']
if 'host' in expected_msg:
del expected_msg['host']
if 'dest_host' in expected_msg:
dest_host = expected_msg['dest_host']
dest_host_dict = {'host': dest_host.host,
'capabilities': dest_host.capabilities}
del expected_msg['dest_host']
expected_msg['host'] = dest_host_dict
if 'new_volume' in expected_msg:
volume = expected_msg['new_volume']
del expected_msg['new_volume']
expected_msg['new_volume_id'] = volume['id']
if 'host' in kwargs:
host = kwargs['host']
else:
host = kwargs['volume']['host']
target['server'] = host
target['topic'] = '%s.%s' % (CONF.volume_topic, host)
self.fake_args = None
self.fake_kwargs = None
def _fake_prepare_method(*args, **kwds):
for kwd in kwds:
self.assertEqual(kwds[kwd], target[kwd])
return rpcapi.client
def _fake_rpc_method(*args, **kwargs):
self.fake_args = args
self.fake_kwargs = kwargs
if expected_retval:
return expected_retval
self.stubs.Set(rpcapi.client, "prepare", _fake_prepare_method)
self.stubs.Set(rpcapi.client, rpc_method, _fake_rpc_method)
retval = getattr(rpcapi, method)(ctxt, **kwargs)
self.assertEqual(retval, expected_retval)
expected_args = [ctxt, method]
for arg, expected_arg in zip(self.fake_args, expected_args):
self.assertEqual(arg, expected_arg)
for kwarg, value in self.fake_kwargs.items():
self.assertEqual(value, expected_msg[kwarg])
def test_create_volume(self):
self._test_volume_api('create_volume',
rpc_method='cast',
volume=self.fake_volume,
host='fake_host1',
request_spec='fake_request_spec',
filter_properties='fake_properties',
allow_reschedule=True,
snapshot_id='fake_snapshot_id',
image_id='fake_image_id',
source_volid='fake_src_id',
source_replicaid='fake_replica_id',
consistencygroup_id='fake_cg_id',
version='1.4')
def test_create_volume_serialization(self):
request_spec = {"metadata": self.fake_volume_metadata}
self._test_volume_api('create_volume',
rpc_method='cast',
volume=self.fake_volume,
host='fake_host1',
request_spec=request_spec,
filter_properties='fake_properties',
allow_reschedule=True,
snapshot_id='fake_snapshot_id',
image_id='fake_image_id',
source_volid='fake_src_id',
source_replicaid='fake_replica_id',
consistencygroup_id='fake_cg_id',
version='1.4')
def test_delete_volume(self):
self._test_volume_api('delete_volume',
rpc_method='cast',
volume=self.fake_volume,
unmanage_only=False,
version='1.15')
def test_create_snapshot(self):
self._test_volume_api('create_snapshot',
rpc_method='cast',
volume=self.fake_volume,
snapshot=self.fake_snapshot)
def test_delete_snapshot(self):
self._test_volume_api('delete_snapshot',
rpc_method='cast',
snapshot=self.fake_snapshot,
host='fake_host')
def test_attach_volume_to_instance(self):
self._test_volume_api('attach_volume',
rpc_method='call',
volume=self.fake_volume,
instance_uuid='fake_uuid',
host_name=None,
mountpoint='fake_mountpoint',
mode='ro',
version='1.11')
def test_attach_volume_to_host(self):
self._test_volume_api('attach_volume',
rpc_method='call',
volume=self.fake_volume,
instance_uuid=None,
host_name='fake_host',
mountpoint='fake_mountpoint',
mode='rw',
version='1.11')
def test_detach_volume(self):
self._test_volume_api('detach_volume',
rpc_method='call',
volume=self.fake_volume)
def test_copy_volume_to_image(self):
self._test_volume_api('copy_volume_to_image',
rpc_method='cast',
volume=self.fake_volume,
image_meta={'id': 'fake_image_id',
'container_format': 'fake_type',
'disk_format': 'fake_type'},
version='1.3')
def test_initialize_connection(self):
self._test_volume_api('initialize_connection',
rpc_method='call',
volume=self.fake_volume,
connector='fake_connector')
def test_terminate_connection(self):
self._test_volume_api('terminate_connection',
rpc_method='call',
volume=self.fake_volume,
connector='fake_connector',
force=False)
def test_accept_transfer(self):
self._test_volume_api('accept_transfer',
rpc_method='call',
volume=self.fake_volume,
new_user='e5565fd0-06c8-11e3-'
'8ffd-0800200c9b77',
new_project='e4465fd0-06c8-11e3'
'-8ffd-0800200c9a66',
version='1.9')
def test_extend_volume(self):
self._test_volume_api('extend_volume',
rpc_method='cast',
volume=self.fake_volume,
new_size=1,
reservations=self.fake_reservations,
version='1.14')
def test_migrate_volume(self):
class FakeHost(object):
def __init__(self):
self.host = 'host'
self.capabilities = {}
dest_host = FakeHost()
self._test_volume_api('migrate_volume',
rpc_method='cast',
volume=self.fake_volume,
dest_host=dest_host,
force_host_copy=True,
version='1.8')
def test_migrate_volume_completion(self):
self._test_volume_api('migrate_volume_completion',
rpc_method='call',
volume=self.fake_volume,
new_volume=self.fake_volume,
error=False,
version='1.10')
def test_retype(self):
class FakeHost(object):
def __init__(self):
self.host = 'host'
self.capabilities = {}
dest_host = FakeHost()
self._test_volume_api('retype',
rpc_method='cast',
volume=self.fake_volume,
new_type_id='fake',
dest_host=dest_host,
migration_policy='never',
reservations=None,
version='1.12')
def test_manage_existing(self):
self._test_volume_api('manage_existing',
rpc_method='cast',
volume=self.fake_volume,
ref={'lv_name': 'foo'},
version='1.15')
def test_promote_replica(self):
self._test_volume_api('promote_replica',
rpc_method='cast',
volume=self.fake_volume,
version='1.17')
def test_reenable_replica(self):
self._test_volume_api('reenable_replication',
rpc_method='cast',
volume=self.fake_volume,
version='1.17')