nova/nova/tests/virt/xenapi/image/test_glance.py

231 lines
9.6 KiB
Python

# Copyright 2013 OpenStack Foundation
# 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 random
import time
import mock
from nova import context
from nova import exception
from nova.openstack.common import log as logging
from nova.tests.virt.xenapi import stubs
from nova.virt.xenapi import driver as xenapi_conn
from nova.virt.xenapi import fake
from nova.virt.xenapi.image import glance
from nova.virt.xenapi import vm_utils
class TestGlanceStore(stubs.XenAPITestBaseNoDB):
def setUp(self):
super(TestGlanceStore, self).setUp()
self.store = glance.GlanceStore()
self.flags(glance_host='1.1.1.1',
glance_port=123,
glance_api_insecure=False)
self.flags(connection_url='test_url',
connection_password='test_pass',
group='xenserver')
self.context = context.RequestContext(
'user', 'project', auth_token='foobar')
fake.reset()
stubs.stubout_session(self.stubs, fake.SessionBase)
driver = xenapi_conn.XenAPIDriver(False)
self.session = driver._session
self.stubs.Set(
vm_utils, 'get_sr_path', lambda *a, **kw: '/fake/sr/path')
self.instance = {'uuid': 'blah',
'system_metadata': [],
'auto_disk_config': True,
'os_type': 'default',
'xenapi_use_agent': 'true'}
def _get_params(self):
return {'image_id': 'fake_image_uuid',
'glance_host': '1.1.1.1',
'glance_port': 123,
'glance_use_ssl': False,
'sr_path': '/fake/sr/path',
'extra_headers': {'X-Service-Catalog': '[]',
'X-Auth-Token': 'foobar',
'X-Roles': '',
'X-Tenant-Id': 'project',
'X-User-Id': 'user',
'X-Identity-Status': 'Confirmed'}}
def _get_download_params(self):
params = self._get_params()
params['uuid_stack'] = ['uuid1']
return params
def test_download_image(self):
params = self._get_download_params()
self.stubs.Set(vm_utils, '_make_uuid_stack',
lambda *a, **kw: ['uuid1'])
self.mox.StubOutWithMock(self.session, 'call_plugin_serialized')
self.session.call_plugin_serialized('glance', 'download_vhd', **params)
self.mox.ReplayAll()
self.store.download_image(self.context, self.session,
'fake_image_uuid')
self.mox.VerifyAll()
@mock.patch.object(vm_utils, '_make_uuid_stack', return_value=['uuid1'])
@mock.patch.object(random, 'shuffle')
@mock.patch.object(time, 'sleep')
@mock.patch.object(logging.getLogger('nova.virt.xenapi.client.session'),
'debug')
def test_download_image_retry(self, mock_log_debug,
mock_sleep, mock_shuffle,
mock_make_uuid_stack):
params = self._get_download_params()
self.flags(glance_num_retries=2)
params.pop("glance_port")
params.pop("glance_host")
calls = [mock.call('glance', 'download_vhd', glance_port=9292,
glance_host='10.0.1.1', **params),
mock.call('glance', 'download_vhd', glance_port=9293,
glance_host='10.0.0.1', **params)]
log_calls = [mock.call(mock.ANY, {'callback_result': '10.0.1.1',
'attempts': 3, 'attempt': 1,
'fn': 'download_vhd',
'plugin': 'glance'}),
mock.call(mock.ANY, {'callback_result': '10.0.0.1',
'attempts': 3, 'attempt': 2,
'fn': 'download_vhd',
'plugin': 'glance'})]
glance_api_servers = ['10.0.1.1:9292',
'http://10.0.0.1:9293']
self.flags(glance_api_servers=glance_api_servers)
with (mock.patch.object(self.session, 'call_plugin_serialized')
) as mock_call_plugin_serialized:
error_details = ["", "", "RetryableError", ""]
error = self.session.XenAPI.Failure(details=error_details)
mock_call_plugin_serialized.side_effect = [error, "success"]
self.store.download_image(self.context, self.session,
'fake_image_uuid')
mock_call_plugin_serialized.assert_has_calls(calls)
mock_log_debug.assert_has_calls(log_calls, any_order=True)
def _get_upload_params(self, auto_disk_config=True,
expected_os_type='default'):
params = self._get_params()
params['vdi_uuids'] = ['fake_vdi_uuid']
params['properties'] = {'auto_disk_config': auto_disk_config,
'os_type': expected_os_type}
return params
def _test_upload_image(self, auto_disk_config, expected_os_type='default'):
params = self._get_upload_params(auto_disk_config, expected_os_type)
self.mox.StubOutWithMock(self.session, 'call_plugin_serialized')
self.session.call_plugin_serialized('glance', 'upload_vhd', **params)
self.mox.ReplayAll()
self.store.upload_image(self.context, self.session, self.instance,
['fake_vdi_uuid'], 'fake_image_uuid')
self.mox.VerifyAll()
def test_upload_image(self):
self._test_upload_image(True)
def test_upload_image_None_os_type(self):
self.instance['os_type'] = None
self._test_upload_image(True, 'linux')
def test_upload_image_no_os_type(self):
del self.instance['os_type']
self._test_upload_image(True, 'linux')
def test_upload_image_auto_config_disk_disabled(self):
sys_meta = [{"key": "image_auto_disk_config", "value": "Disabled"}]
self.instance["system_metadata"] = sys_meta
self._test_upload_image("disabled")
def test_upload_image_raises_exception(self):
params = self._get_upload_params()
self.mox.StubOutWithMock(self.session, 'call_plugin_serialized')
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(RuntimeError)
self.mox.ReplayAll()
self.assertRaises(RuntimeError, self.store.upload_image,
self.context, self.session, self.instance,
['fake_vdi_uuid'], 'fake_image_uuid')
self.mox.VerifyAll()
def test_upload_image_retries_then_raises_exception(self):
self.flags(glance_num_retries=2)
params = self._get_upload_params()
self.mox.StubOutWithMock(self.session, 'call_plugin_serialized')
self.mox.StubOutWithMock(time, 'sleep')
error_details = ["", "", "RetryableError", ""]
error = self.session.XenAPI.Failure(details=error_details)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(error)
time.sleep(0.5)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(error)
time.sleep(1)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(error)
self.mox.ReplayAll()
self.assertRaises(exception.CouldNotUploadImage,
self.store.upload_image,
self.context, self.session, self.instance,
['fake_vdi_uuid'], 'fake_image_uuid')
self.mox.VerifyAll()
def test_upload_image_retries_on_signal_exception(self):
self.flags(glance_num_retries=2)
params = self._get_upload_params()
self.mox.StubOutWithMock(self.session, 'call_plugin_serialized')
self.mox.StubOutWithMock(time, 'sleep')
error_details = ["", "task signaled", "", ""]
error = self.session.XenAPI.Failure(details=error_details)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(error)
time.sleep(0.5)
# Note(johngarbutt) XenServer 6.1 and later has this error
error_details = ["", "signal: SIGTERM", "", ""]
error = self.session.XenAPI.Failure(details=error_details)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params).AndRaise(error)
time.sleep(1)
self.session.call_plugin_serialized('glance', 'upload_vhd',
**params)
self.mox.ReplayAll()
self.store.upload_image(self.context, self.session, self.instance,
['fake_vdi_uuid'], 'fake_image_uuid')
self.mox.VerifyAll()