893 lines
36 KiB
Python
893 lines
36 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2010 Citrix Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Test suite for XenAPI."""
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import eventlet
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import functools
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import json
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import os
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import re
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import stubout
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import ast
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from nova import db
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from nova import context
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from nova import flags
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from nova import log as logging
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from nova import test
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from nova import utils
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from nova.auth import manager
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from nova.compute import instance_types
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from nova.compute import power_state
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from nova import exception
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from nova.virt import xenapi_conn
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from nova.virt.xenapi import fake as xenapi_fake
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from nova.virt.xenapi import volume_utils
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from nova.virt.xenapi import vmops
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from nova.virt.xenapi import vm_utils
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from nova.tests.db import fakes as db_fakes
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from nova.tests.xenapi import stubs
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from nova.tests.glance import stubs as glance_stubs
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from nova.tests import fake_utils
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LOG = logging.getLogger('nova.tests.test_xenapi')
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FLAGS = flags.FLAGS
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def stub_vm_utils_with_vdi_attached_here(function, should_return=True):
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"""
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vm_utils.with_vdi_attached_here needs to be stubbed out because it
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calls down to the filesystem to attach a vdi. This provides a
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decorator to handle that.
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"""
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@functools.wraps(function)
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def decorated_function(self, *args, **kwargs):
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orig_with_vdi_attached_here = vm_utils.with_vdi_attached_here
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vm_utils.with_vdi_attached_here = lambda *x: should_return
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function(self, *args, **kwargs)
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vm_utils.with_vdi_attached_here = orig_with_vdi_attached_here
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return decorated_function
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class XenAPIVolumeTestCase(test.TestCase):
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"""Unit tests for Volume operations."""
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def setUp(self):
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super(XenAPIVolumeTestCase, self).setUp()
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self.stubs = stubout.StubOutForTesting()
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self.context = context.RequestContext('fake', 'fake', False)
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FLAGS.target_host = '127.0.0.1'
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FLAGS.xenapi_connection_url = 'test_url'
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FLAGS.xenapi_connection_password = 'test_pass'
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db_fakes.stub_out_db_instance_api(self.stubs)
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stubs.stub_out_get_target(self.stubs)
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xenapi_fake.reset()
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self.values = {'id': 1,
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'project_id': 'fake',
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'user_id': 'fake',
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'image_ref': 1,
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'kernel_id': 2,
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'ramdisk_id': 3,
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'instance_type_id': '3', # m1.large
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'os_type': 'linux',
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'architecture': 'x86-64'}
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def _create_volume(self, size='0'):
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"""Create a volume object."""
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vol = {}
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vol['size'] = size
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vol['user_id'] = 'fake'
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vol['project_id'] = 'fake'
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vol['host'] = 'localhost'
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vol['availability_zone'] = FLAGS.storage_availability_zone
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vol['status'] = "creating"
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vol['attach_status'] = "detached"
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return db.volume_create(self.context, vol)
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def test_create_iscsi_storage(self):
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"""This shows how to test helper classes' methods."""
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stubs.stubout_session(self.stubs, stubs.FakeSessionForVolumeTests)
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session = xenapi_conn.XenAPISession('test_url', 'root', 'test_pass')
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helper = volume_utils.VolumeHelper
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helper.XenAPI = session.get_imported_xenapi()
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vol = self._create_volume()
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info = helper.parse_volume_info(vol['id'], '/dev/sdc')
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label = 'SR-%s' % vol['id']
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description = 'Test-SR'
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sr_ref = helper.create_iscsi_storage(session, info, label, description)
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srs = xenapi_fake.get_all('SR')
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self.assertEqual(sr_ref, srs[0])
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db.volume_destroy(context.get_admin_context(), vol['id'])
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def test_parse_volume_info_raise_exception(self):
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"""This shows how to test helper classes' methods."""
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stubs.stubout_session(self.stubs, stubs.FakeSessionForVolumeTests)
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session = xenapi_conn.XenAPISession('test_url', 'root', 'test_pass')
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helper = volume_utils.VolumeHelper
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helper.XenAPI = session.get_imported_xenapi()
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vol = self._create_volume()
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# oops, wrong mount point!
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self.assertRaises(volume_utils.StorageError,
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helper.parse_volume_info,
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vol['id'],
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'/dev/sd')
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db.volume_destroy(context.get_admin_context(), vol['id'])
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def test_attach_volume(self):
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"""This shows how to test Ops classes' methods."""
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stubs.stubout_session(self.stubs, stubs.FakeSessionForVolumeTests)
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conn = xenapi_conn.get_connection(False)
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volume = self._create_volume()
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instance = db.instance_create(self.context, self.values)
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vm = xenapi_fake.create_vm(instance.name, 'Running')
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result = conn.attach_volume(instance.name, volume['id'], '/dev/sdc')
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def check():
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# check that the VM has a VBD attached to it
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# Get XenAPI record for VBD
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vbds = xenapi_fake.get_all('VBD')
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vbd = xenapi_fake.get_record('VBD', vbds[0])
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vm_ref = vbd['VM']
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self.assertEqual(vm_ref, vm)
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check()
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def test_attach_volume_raise_exception(self):
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"""This shows how to test when exceptions are raised."""
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stubs.stubout_session(self.stubs,
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stubs.FakeSessionForVolumeFailedTests)
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conn = xenapi_conn.get_connection(False)
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volume = self._create_volume()
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instance = db.instance_create(self.context, self.values)
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xenapi_fake.create_vm(instance.name, 'Running')
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self.assertRaises(Exception,
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conn.attach_volume,
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instance.name,
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volume['id'],
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'/dev/sdc')
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def tearDown(self):
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super(XenAPIVolumeTestCase, self).tearDown()
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self.stubs.UnsetAll()
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def reset_network(*args):
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pass
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class XenAPIVMTestCase(test.TestCase):
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"""Unit tests for VM operations."""
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def setUp(self):
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super(XenAPIVMTestCase, self).setUp()
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self.manager = manager.AuthManager()
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self.user = self.manager.create_user('fake', 'fake', 'fake',
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admin=True)
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self.project = self.manager.create_project('fake', 'fake', 'fake')
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self.network = utils.import_object(FLAGS.network_manager)
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self.stubs = stubout.StubOutForTesting()
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self.flags(xenapi_connection_url='test_url',
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xenapi_connection_password='test_pass',
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instance_name_template='%d')
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xenapi_fake.reset()
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xenapi_fake.create_local_srs()
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xenapi_fake.create_local_pifs()
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db_fakes.stub_out_db_instance_api(self.stubs)
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xenapi_fake.create_network('fake', FLAGS.flat_network_bridge)
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stubs.stubout_session(self.stubs, stubs.FakeSessionForVMTests)
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stubs.stubout_get_this_vm_uuid(self.stubs)
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stubs.stubout_stream_disk(self.stubs)
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stubs.stubout_is_vdi_pv(self.stubs)
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self.stubs.Set(vmops.VMOps, 'reset_network', reset_network)
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stubs.stub_out_vm_methods(self.stubs)
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glance_stubs.stubout_glance_client(self.stubs)
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fake_utils.stub_out_utils_execute(self.stubs)
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self.context = context.RequestContext('fake', 'fake', False)
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self.conn = xenapi_conn.get_connection(False)
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def test_parallel_builds(self):
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stubs.stubout_loopingcall_delay(self.stubs)
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def _do_build(id, proj, user, *args):
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values = {
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'id': id,
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'project_id': proj,
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'user_id': user,
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'image_ref': 1,
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'kernel_id': 2,
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'ramdisk_id': 3,
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'instance_type_id': '3', # m1.large
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'os_type': 'linux',
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'architecture': 'x86-64'}
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network_info = [({'bridge': 'fa0', 'id': 0, 'injected': False},
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{'broadcast': '192.168.0.255',
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'dns': ['192.168.0.1'],
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'gateway': '192.168.0.1',
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'gateway6': 'dead:beef::1',
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'ip6s': [{'enabled': '1',
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'ip': 'dead:beef::dcad:beff:feef:0',
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'netmask': '64'}],
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'ips': [{'enabled': '1',
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'ip': '192.168.0.100',
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'netmask': '255.255.255.0'}],
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'label': 'fake',
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'mac': 'DE:AD:BE:EF:00:00',
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'rxtx_cap': 3})]
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instance = db.instance_create(self.context, values)
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self.conn.spawn(instance, network_info)
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gt1 = eventlet.spawn(_do_build, 1, self.project.id, self.user.id)
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gt2 = eventlet.spawn(_do_build, 2, self.project.id, self.user.id)
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gt1.wait()
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gt2.wait()
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def test_list_instances_0(self):
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instances = self.conn.list_instances()
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self.assertEquals(instances, [])
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def test_get_diagnostics(self):
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instance = self._create_instance()
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self.conn.get_diagnostics(instance)
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def test_instance_snapshot_fails_with_no_primary_vdi(self):
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def create_bad_vbd(vm_ref, vdi_ref):
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vbd_rec = {'VM': vm_ref,
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'VDI': vdi_ref,
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'userdevice': 'fake',
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'currently_attached': False}
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vbd_ref = xenapi_fake._create_object('VBD', vbd_rec)
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xenapi_fake.after_VBD_create(vbd_ref, vbd_rec)
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return vbd_ref
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self.stubs.Set(xenapi_fake, 'create_vbd', create_bad_vbd)
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stubs.stubout_instance_snapshot(self.stubs)
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instance = self._create_instance()
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name = "MySnapshot"
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self.assertRaises(exception.Error, self.conn.snapshot, instance, name)
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def test_instance_snapshot(self):
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stubs.stubout_instance_snapshot(self.stubs)
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instance = self._create_instance()
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name = "MySnapshot"
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template_vm_ref = self.conn.snapshot(instance, name)
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def ensure_vm_was_torn_down():
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vm_labels = []
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for vm_ref in xenapi_fake.get_all('VM'):
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vm_rec = xenapi_fake.get_record('VM', vm_ref)
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if not vm_rec["is_control_domain"]:
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vm_labels.append(vm_rec["name_label"])
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self.assertEquals(vm_labels, ['1'])
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def ensure_vbd_was_torn_down():
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vbd_labels = []
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for vbd_ref in xenapi_fake.get_all('VBD'):
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vbd_rec = xenapi_fake.get_record('VBD', vbd_ref)
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vbd_labels.append(vbd_rec["vm_name_label"])
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self.assertEquals(vbd_labels, ['1'])
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def ensure_vdi_was_torn_down():
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for vdi_ref in xenapi_fake.get_all('VDI'):
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vdi_rec = xenapi_fake.get_record('VDI', vdi_ref)
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name_label = vdi_rec["name_label"]
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self.assert_(not name_label.endswith('snapshot'))
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def check():
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ensure_vm_was_torn_down()
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ensure_vbd_was_torn_down()
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ensure_vdi_was_torn_down()
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check()
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def create_vm_record(self, conn, os_type, instance_id=1):
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instances = conn.list_instances()
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self.assertEquals(instances, [str(instance_id)])
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# Get Nova record for VM
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vm_info = conn.get_info(instance_id)
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# Get XenAPI record for VM
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vms = [rec for ref, rec
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in xenapi_fake.get_all_records('VM').iteritems()
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if not rec['is_control_domain']]
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vm = vms[0]
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self.vm_info = vm_info
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self.vm = vm
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def check_vm_record(self, conn, check_injection=False):
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# Check that m1.large above turned into the right thing.
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instance_type = db.instance_type_get_by_name(conn, 'm1.large')
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mem_kib = long(instance_type['memory_mb']) << 10
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mem_bytes = str(mem_kib << 10)
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vcpus = instance_type['vcpus']
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self.assertEquals(self.vm_info['max_mem'], mem_kib)
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self.assertEquals(self.vm_info['mem'], mem_kib)
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self.assertEquals(self.vm['memory_static_max'], mem_bytes)
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self.assertEquals(self.vm['memory_dynamic_max'], mem_bytes)
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self.assertEquals(self.vm['memory_dynamic_min'], mem_bytes)
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self.assertEquals(self.vm['VCPUs_max'], str(vcpus))
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self.assertEquals(self.vm['VCPUs_at_startup'], str(vcpus))
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# Check that the VM is running according to Nova
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self.assertEquals(self.vm_info['state'], power_state.RUNNING)
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# Check that the VM is running according to XenAPI.
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self.assertEquals(self.vm['power_state'], 'Running')
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if check_injection:
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xenstore_data = self.vm['xenstore_data']
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key = 'vm-data/networking/DEADBEEF0000'
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xenstore_value = xenstore_data[key]
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tcpip_data = ast.literal_eval(xenstore_value)
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self.assertEquals(tcpip_data,
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{'broadcast': '192.168.0.255',
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'dns': ['192.168.0.1'],
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'gateway': '192.168.0.1',
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'gateway6': 'dead:beef::1',
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'ip6s': [{'enabled': '1',
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'ip': 'dead:beef::dcad:beff:feef:0',
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'netmask': '64'}],
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'ips': [{'enabled': '1',
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'ip': '192.168.0.100',
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'netmask': '255.255.255.0'}],
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'label': 'fake',
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'mac': 'DE:AD:BE:EF:00:00'})
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def check_vm_params_for_windows(self):
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self.assertEquals(self.vm['platform']['nx'], 'true')
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self.assertEquals(self.vm['HVM_boot_params'], {'order': 'dc'})
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self.assertEquals(self.vm['HVM_boot_policy'], 'BIOS order')
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# check that these are not set
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self.assertEquals(self.vm['PV_args'], '')
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self.assertEquals(self.vm['PV_bootloader'], '')
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self.assertEquals(self.vm['PV_kernel'], '')
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self.assertEquals(self.vm['PV_ramdisk'], '')
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def check_vm_params_for_linux(self):
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self.assertEquals(self.vm['platform']['nx'], 'false')
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self.assertEquals(self.vm['PV_args'], '')
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self.assertEquals(self.vm['PV_bootloader'], 'pygrub')
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# check that these are not set
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self.assertEquals(self.vm['PV_kernel'], '')
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self.assertEquals(self.vm['PV_ramdisk'], '')
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self.assertEquals(self.vm['HVM_boot_params'], {})
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self.assertEquals(self.vm['HVM_boot_policy'], '')
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def check_vm_params_for_linux_with_external_kernel(self):
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self.assertEquals(self.vm['platform']['nx'], 'false')
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self.assertEquals(self.vm['PV_args'], 'root=/dev/xvda1')
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self.assertNotEquals(self.vm['PV_kernel'], '')
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self.assertNotEquals(self.vm['PV_ramdisk'], '')
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# check that these are not set
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self.assertEquals(self.vm['HVM_boot_params'], {})
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self.assertEquals(self.vm['HVM_boot_policy'], '')
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def _test_spawn(self, image_ref, kernel_id, ramdisk_id,
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instance_type_id="3", os_type="linux",
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architecture="x86-64", instance_id=1,
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check_injection=False):
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stubs.stubout_loopingcall_start(self.stubs)
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values = {'id': instance_id,
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'project_id': self.project.id,
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'user_id': self.user.id,
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'image_ref': image_ref,
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'kernel_id': kernel_id,
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'ramdisk_id': ramdisk_id,
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'instance_type_id': instance_type_id,
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'os_type': os_type,
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'architecture': architecture}
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instance = db.instance_create(self.context, values)
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network_info = [({'bridge': 'fa0', 'id': 0, 'injected': True},
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{'broadcast': '192.168.0.255',
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'dns': ['192.168.0.1'],
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'gateway': '192.168.0.1',
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'gateway6': 'dead:beef::1',
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'ip6s': [{'enabled': '1',
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'ip': 'dead:beef::dcad:beff:feef:0',
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'netmask': '64'}],
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'ips': [{'enabled': '1',
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'ip': '192.168.0.100',
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'netmask': '255.255.255.0'}],
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'label': 'fake',
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'mac': 'DE:AD:BE:EF:00:00',
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'rxtx_cap': 3})]
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self.conn.spawn(instance, network_info)
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self.create_vm_record(self.conn, os_type, instance_id)
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self.check_vm_record(self.conn, check_injection)
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self.assertTrue(instance.os_type)
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self.assertTrue(instance.architecture)
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def test_spawn_not_enough_memory(self):
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FLAGS.xenapi_image_service = 'glance'
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self.assertRaises(Exception,
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self._test_spawn,
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1, 2, 3, "4") # m1.xlarge
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def test_spawn_raw_objectstore(self):
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FLAGS.xenapi_image_service = 'objectstore'
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self._test_spawn(1, None, None)
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def test_spawn_objectstore(self):
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FLAGS.xenapi_image_service = 'objectstore'
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self._test_spawn(1, 2, 3)
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@stub_vm_utils_with_vdi_attached_here
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def test_spawn_raw_glance(self):
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FLAGS.xenapi_image_service = 'glance'
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self._test_spawn(glance_stubs.FakeGlance.IMAGE_RAW, None, None)
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self.check_vm_params_for_linux()
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def test_spawn_vhd_glance_linux(self):
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|
FLAGS.xenapi_image_service = 'glance'
|
|
self._test_spawn(glance_stubs.FakeGlance.IMAGE_VHD, None, None,
|
|
os_type="linux", architecture="x86-64")
|
|
self.check_vm_params_for_linux()
|
|
|
|
def test_spawn_vhd_glance_swapdisk(self):
|
|
# Change the default host_call_plugin to one that'll return
|
|
# a swap disk
|
|
orig_func = stubs.FakeSessionForVMTests.host_call_plugin
|
|
|
|
stubs.FakeSessionForVMTests.host_call_plugin = \
|
|
stubs.FakeSessionForVMTests.host_call_plugin_swap
|
|
|
|
try:
|
|
# We'll steal the above glance linux test
|
|
self.test_spawn_vhd_glance_linux()
|
|
finally:
|
|
# Make sure to put this back
|
|
stubs.FakeSessionForVMTests.host_call_plugin = orig_func
|
|
|
|
# We should have 2 VBDs.
|
|
self.assertEqual(len(self.vm['VBDs']), 2)
|
|
# Now test that we have 1.
|
|
self.tearDown()
|
|
self.setUp()
|
|
self.test_spawn_vhd_glance_linux()
|
|
self.assertEqual(len(self.vm['VBDs']), 1)
|
|
|
|
def test_spawn_vhd_glance_windows(self):
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
self._test_spawn(glance_stubs.FakeGlance.IMAGE_VHD, None, None,
|
|
os_type="windows", architecture="i386")
|
|
self.check_vm_params_for_windows()
|
|
|
|
def test_spawn_glance(self):
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
self._test_spawn(glance_stubs.FakeGlance.IMAGE_MACHINE,
|
|
glance_stubs.FakeGlance.IMAGE_KERNEL,
|
|
glance_stubs.FakeGlance.IMAGE_RAMDISK)
|
|
self.check_vm_params_for_linux_with_external_kernel()
|
|
|
|
def test_spawn_netinject_file(self):
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
db_fakes.stub_out_db_instance_api(self.stubs, injected=True)
|
|
|
|
self._tee_executed = False
|
|
|
|
def _tee_handler(cmd, **kwargs):
|
|
input = kwargs.get('process_input', None)
|
|
self.assertNotEqual(input, None)
|
|
config = [line.strip() for line in input.split("\n")]
|
|
# Find the start of eth0 configuration and check it
|
|
index = config.index('auto eth0')
|
|
self.assertEquals(config[index + 1:index + 8], [
|
|
'iface eth0 inet static',
|
|
'address 192.168.0.100',
|
|
'netmask 255.255.255.0',
|
|
'broadcast 192.168.0.255',
|
|
'gateway 192.168.0.1',
|
|
'dns-nameservers 192.168.0.1',
|
|
''])
|
|
self._tee_executed = True
|
|
return '', ''
|
|
|
|
fake_utils.fake_execute_set_repliers([
|
|
# Capture the sudo tee .../etc/network/interfaces command
|
|
(r'(sudo\s+)?tee.*interfaces', _tee_handler),
|
|
])
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
self._test_spawn(glance_stubs.FakeGlance.IMAGE_MACHINE,
|
|
glance_stubs.FakeGlance.IMAGE_KERNEL,
|
|
glance_stubs.FakeGlance.IMAGE_RAMDISK,
|
|
check_injection=True)
|
|
self.assertTrue(self._tee_executed)
|
|
|
|
def test_spawn_netinject_xenstore(self):
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
db_fakes.stub_out_db_instance_api(self.stubs, injected=True)
|
|
|
|
self._tee_executed = False
|
|
|
|
def _mount_handler(cmd, *ignore_args, **ignore_kwargs):
|
|
# When mounting, create real files under the mountpoint to simulate
|
|
# files in the mounted filesystem
|
|
|
|
# mount point will be the last item of the command list
|
|
self._tmpdir = cmd[len(cmd) - 1]
|
|
LOG.debug(_('Creating files in %s to simulate guest agent' %
|
|
self._tmpdir))
|
|
os.makedirs(os.path.join(self._tmpdir, 'usr', 'sbin'))
|
|
# Touch the file using open
|
|
open(os.path.join(self._tmpdir, 'usr', 'sbin',
|
|
'xe-update-networking'), 'w').close()
|
|
return '', ''
|
|
|
|
def _umount_handler(cmd, *ignore_args, **ignore_kwargs):
|
|
# Umount would normall make files in the m,ounted filesystem
|
|
# disappear, so do that here
|
|
LOG.debug(_('Removing simulated guest agent files in %s' %
|
|
self._tmpdir))
|
|
os.remove(os.path.join(self._tmpdir, 'usr', 'sbin',
|
|
'xe-update-networking'))
|
|
os.rmdir(os.path.join(self._tmpdir, 'usr', 'sbin'))
|
|
os.rmdir(os.path.join(self._tmpdir, 'usr'))
|
|
return '', ''
|
|
|
|
def _tee_handler(cmd, *ignore_args, **ignore_kwargs):
|
|
self._tee_executed = True
|
|
return '', ''
|
|
|
|
fake_utils.fake_execute_set_repliers([
|
|
(r'(sudo\s+)?mount', _mount_handler),
|
|
(r'(sudo\s+)?umount', _umount_handler),
|
|
(r'(sudo\s+)?tee.*interfaces', _tee_handler)])
|
|
self._test_spawn(1, 2, 3, check_injection=True)
|
|
|
|
# tee must not run in this case, where an injection-capable
|
|
# guest agent is detected
|
|
self.assertFalse(self._tee_executed)
|
|
|
|
@test.skip_test("Never gets an address, not sure why")
|
|
def test_spawn_vlanmanager(self):
|
|
self.flags(xenapi_image_service='glance',
|
|
network_manager='nova.network.manager.VlanManager',
|
|
network_driver='nova.network.xenapi_net',
|
|
vlan_interface='fake0')
|
|
|
|
def dummy(*args, **kwargs):
|
|
pass
|
|
|
|
self.stubs.Set(VMOps, 'create_vifs', dummy)
|
|
# Reset network table
|
|
xenapi_fake.reset_table('network')
|
|
# Instance id = 2 will use vlan network (see db/fakes.py)
|
|
ctxt = self.context.elevated()
|
|
instance_ref = self._create_instance(2)
|
|
network_bk = self.network
|
|
# Ensure we use xenapi_net driver
|
|
self.network = utils.import_object(FLAGS.network_manager)
|
|
networks = self.network.db.network_get_all(ctxt)
|
|
for network in networks:
|
|
self.network.set_network_host(ctxt, network['id'])
|
|
|
|
self.network.allocate_for_instance(ctxt, instance_id=instance_ref.id,
|
|
instance_type_id=1, project_id=self.project.id)
|
|
self.network.setup_compute_network(ctxt, instance_ref.id)
|
|
self._test_spawn(glance_stubs.FakeGlance.IMAGE_MACHINE,
|
|
glance_stubs.FakeGlance.IMAGE_KERNEL,
|
|
glance_stubs.FakeGlance.IMAGE_RAMDISK,
|
|
instance_id=instance_ref.id,
|
|
create_record=False)
|
|
# TODO(salvatore-orlando): a complete test here would require
|
|
# a check for making sure the bridge for the VM's VIF is
|
|
# consistent with bridge specified in nova db
|
|
self.network = network_bk
|
|
|
|
def test_spawn_with_network_qos(self):
|
|
self._create_instance()
|
|
for vif_ref in xenapi_fake.get_all('VIF'):
|
|
vif_rec = xenapi_fake.get_record('VIF', vif_ref)
|
|
self.assertEquals(vif_rec['qos_algorithm_type'], 'ratelimit')
|
|
self.assertEquals(vif_rec['qos_algorithm_params']['kbps'],
|
|
str(3 * 1024))
|
|
|
|
def test_rescue(self):
|
|
self.flags(xenapi_inject_image=False)
|
|
instance = self._create_instance()
|
|
conn = xenapi_conn.get_connection(False)
|
|
conn.rescue(instance, None)
|
|
|
|
def test_unrescue(self):
|
|
instance = self._create_instance()
|
|
conn = xenapi_conn.get_connection(False)
|
|
# Ensure that it will not unrescue a non-rescued instance.
|
|
self.assertRaises(Exception, conn.unrescue, instance, None)
|
|
|
|
def tearDown(self):
|
|
super(XenAPIVMTestCase, self).tearDown()
|
|
self.manager.delete_project(self.project)
|
|
self.manager.delete_user(self.user)
|
|
self.vm_info = None
|
|
self.vm = None
|
|
self.stubs.UnsetAll()
|
|
|
|
def _create_instance(self, instance_id=1):
|
|
"""Creates and spawns a test instance."""
|
|
stubs.stubout_loopingcall_start(self.stubs)
|
|
values = {
|
|
'id': instance_id,
|
|
'project_id': self.project.id,
|
|
'user_id': self.user.id,
|
|
'image_ref': 1,
|
|
'kernel_id': 2,
|
|
'ramdisk_id': 3,
|
|
'instance_type_id': '3', # m1.large
|
|
'os_type': 'linux',
|
|
'architecture': 'x86-64'}
|
|
instance = db.instance_create(self.context, values)
|
|
network_info = [({'bridge': 'fa0', 'id': 0, 'injected': False},
|
|
{'broadcast': '192.168.0.255',
|
|
'dns': ['192.168.0.1'],
|
|
'gateway': '192.168.0.1',
|
|
'gateway6': 'dead:beef::1',
|
|
'ip6s': [{'enabled': '1',
|
|
'ip': 'dead:beef::dcad:beff:feef:0',
|
|
'netmask': '64'}],
|
|
'ips': [{'enabled': '1',
|
|
'ip': '192.168.0.100',
|
|
'netmask': '255.255.255.0'}],
|
|
'label': 'fake',
|
|
'mac': 'DE:AD:BE:EF:00:00',
|
|
'rxtx_cap': 3})]
|
|
self.conn.spawn(instance, network_info)
|
|
return instance
|
|
|
|
|
|
class XenAPIDiffieHellmanTestCase(test.TestCase):
|
|
"""Unit tests for Diffie-Hellman code."""
|
|
def setUp(self):
|
|
super(XenAPIDiffieHellmanTestCase, self).setUp()
|
|
self.alice = vmops.SimpleDH()
|
|
self.bob = vmops.SimpleDH()
|
|
|
|
def test_shared(self):
|
|
alice_pub = self.alice.get_public()
|
|
bob_pub = self.bob.get_public()
|
|
alice_shared = self.alice.compute_shared(bob_pub)
|
|
bob_shared = self.bob.compute_shared(alice_pub)
|
|
self.assertEquals(alice_shared, bob_shared)
|
|
|
|
def _test_encryption(self, message):
|
|
enc = self.alice.encrypt(message)
|
|
self.assertFalse(enc.endswith('\n'))
|
|
dec = self.bob.decrypt(enc)
|
|
self.assertEquals(dec, message)
|
|
|
|
def test_encrypt_simple_message(self):
|
|
self._test_encryption('This is a simple message.')
|
|
|
|
def test_encrypt_message_with_newlines_at_end(self):
|
|
self._test_encryption('This message has a newline at the end.\n')
|
|
|
|
def test_encrypt_many_newlines_at_end(self):
|
|
self._test_encryption('Message with lotsa newlines.\n\n\n')
|
|
|
|
def test_encrypt_newlines_inside_message(self):
|
|
self._test_encryption('Message\nwith\ninterior\nnewlines.')
|
|
|
|
def test_encrypt_with_leading_newlines(self):
|
|
self._test_encryption('\n\nMessage with leading newlines.')
|
|
|
|
def test_encrypt_really_long_message(self):
|
|
self._test_encryption(''.join(['abcd' for i in xrange(1024)]))
|
|
|
|
def tearDown(self):
|
|
super(XenAPIDiffieHellmanTestCase, self).tearDown()
|
|
|
|
|
|
class XenAPIMigrateInstance(test.TestCase):
|
|
"""Unit test for verifying migration-related actions."""
|
|
|
|
def setUp(self):
|
|
super(XenAPIMigrateInstance, self).setUp()
|
|
self.stubs = stubout.StubOutForTesting()
|
|
FLAGS.target_host = '127.0.0.1'
|
|
FLAGS.xenapi_connection_url = 'test_url'
|
|
FLAGS.xenapi_connection_password = 'test_pass'
|
|
db_fakes.stub_out_db_instance_api(self.stubs)
|
|
stubs.stub_out_get_target(self.stubs)
|
|
xenapi_fake.reset()
|
|
xenapi_fake.create_network('fake', FLAGS.flat_network_bridge)
|
|
self.manager = manager.AuthManager()
|
|
self.user = self.manager.create_user('fake', 'fake', 'fake',
|
|
admin=True)
|
|
self.project = self.manager.create_project('fake', 'fake', 'fake')
|
|
self.context = context.RequestContext('fake', 'fake', False)
|
|
self.values = {'id': 1,
|
|
'project_id': self.project.id,
|
|
'user_id': self.user.id,
|
|
'image_ref': 1,
|
|
'kernel_id': None,
|
|
'ramdisk_id': None,
|
|
'local_gb': 5,
|
|
'instance_type_id': '3', # m1.large
|
|
'os_type': 'linux',
|
|
'architecture': 'x86-64'}
|
|
|
|
fake_utils.stub_out_utils_execute(self.stubs)
|
|
stubs.stub_out_migration_methods(self.stubs)
|
|
stubs.stubout_get_this_vm_uuid(self.stubs)
|
|
glance_stubs.stubout_glance_client(self.stubs)
|
|
|
|
def tearDown(self):
|
|
super(XenAPIMigrateInstance, self).tearDown()
|
|
self.manager.delete_project(self.project)
|
|
self.manager.delete_user(self.user)
|
|
self.stubs.UnsetAll()
|
|
|
|
def test_migrate_disk_and_power_off(self):
|
|
instance = db.instance_create(self.context, self.values)
|
|
stubs.stubout_session(self.stubs, stubs.FakeSessionForMigrationTests)
|
|
conn = xenapi_conn.get_connection(False)
|
|
conn.migrate_disk_and_power_off(instance, '127.0.0.1')
|
|
|
|
def test_finish_resize(self):
|
|
instance = db.instance_create(self.context, self.values)
|
|
stubs.stubout_session(self.stubs, stubs.FakeSessionForMigrationTests)
|
|
stubs.stubout_loopingcall_start(self.stubs)
|
|
conn = xenapi_conn.get_connection(False)
|
|
network_info = [({'bridge': 'fa0', 'id': 0, 'injected': False},
|
|
{'broadcast': '192.168.0.255',
|
|
'dns': ['192.168.0.1'],
|
|
'gateway': '192.168.0.1',
|
|
'gateway6': 'dead:beef::1',
|
|
'ip6s': [{'enabled': '1',
|
|
'ip': 'dead:beef::dcad:beff:feef:0',
|
|
'netmask': '64'}],
|
|
'ips': [{'enabled': '1',
|
|
'ip': '192.168.0.100',
|
|
'netmask': '255.255.255.0'}],
|
|
'label': 'fake',
|
|
'mac': 'DE:AD:BE:EF:00:00',
|
|
'rxtx_cap': 3})]
|
|
conn.finish_resize(instance, dict(base_copy='hurr', cow='durr'),
|
|
network_info)
|
|
|
|
|
|
class XenAPIDetermineDiskImageTestCase(test.TestCase):
|
|
"""Unit tests for code that detects the ImageType."""
|
|
def setUp(self):
|
|
super(XenAPIDetermineDiskImageTestCase, self).setUp()
|
|
glance_stubs.stubout_glance_client(self.stubs)
|
|
|
|
class FakeInstance(object):
|
|
pass
|
|
|
|
self.fake_instance = FakeInstance()
|
|
self.fake_instance.id = 42
|
|
self.fake_instance.os_type = 'linux'
|
|
self.fake_instance.architecture = 'x86-64'
|
|
|
|
def assert_disk_type(self, disk_type):
|
|
dt = vm_utils.VMHelper.determine_disk_image_type(
|
|
self.fake_instance)
|
|
self.assertEqual(disk_type, dt)
|
|
|
|
def test_instance_disk(self):
|
|
"""If a kernel is specified, the image type is DISK (aka machine)."""
|
|
FLAGS.xenapi_image_service = 'objectstore'
|
|
self.fake_instance.image_ref = glance_stubs.FakeGlance.IMAGE_MACHINE
|
|
self.fake_instance.kernel_id = glance_stubs.FakeGlance.IMAGE_KERNEL
|
|
self.assert_disk_type(vm_utils.ImageType.DISK)
|
|
|
|
def test_instance_disk_raw(self):
|
|
"""
|
|
If the kernel isn't specified, and we're not using Glance, then
|
|
DISK_RAW is assumed.
|
|
"""
|
|
FLAGS.xenapi_image_service = 'objectstore'
|
|
self.fake_instance.image_ref = glance_stubs.FakeGlance.IMAGE_RAW
|
|
self.fake_instance.kernel_id = None
|
|
self.assert_disk_type(vm_utils.ImageType.DISK_RAW)
|
|
|
|
def test_glance_disk_raw(self):
|
|
"""
|
|
If we're using Glance, then defer to the image_type field, which in
|
|
this case will be 'raw'.
|
|
"""
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
self.fake_instance.image_ref = glance_stubs.FakeGlance.IMAGE_RAW
|
|
self.fake_instance.kernel_id = None
|
|
self.assert_disk_type(vm_utils.ImageType.DISK_RAW)
|
|
|
|
def test_glance_disk_vhd(self):
|
|
"""
|
|
If we're using Glance, then defer to the image_type field, which in
|
|
this case will be 'vhd'.
|
|
"""
|
|
FLAGS.xenapi_image_service = 'glance'
|
|
self.fake_instance.image_ref = glance_stubs.FakeGlance.IMAGE_VHD
|
|
self.fake_instance.kernel_id = None
|
|
self.assert_disk_type(vm_utils.ImageType.DISK_VHD)
|
|
|
|
|
|
class CompareVersionTestCase(test.TestCase):
|
|
def test_less_than(self):
|
|
"""Test that cmp_version compares a as less than b"""
|
|
self.assertTrue(vmops.cmp_version('1.2.3.4', '1.2.3.5') < 0)
|
|
|
|
def test_greater_than(self):
|
|
"""Test that cmp_version compares a as greater than b"""
|
|
self.assertTrue(vmops.cmp_version('1.2.3.5', '1.2.3.4') > 0)
|
|
|
|
def test_equal(self):
|
|
"""Test that cmp_version compares a as equal to b"""
|
|
self.assertTrue(vmops.cmp_version('1.2.3.4', '1.2.3.4') == 0)
|
|
|
|
def test_non_lexical(self):
|
|
"""Test that cmp_version compares non-lexically"""
|
|
self.assertTrue(vmops.cmp_version('1.2.3.10', '1.2.3.4') > 0)
|
|
|
|
def test_length(self):
|
|
"""Test that cmp_version compares by length as last resort"""
|
|
self.assertTrue(vmops.cmp_version('1.2.3', '1.2.3.4') < 0)
|
|
|
|
|
|
class FakeXenApi(object):
|
|
"""Fake XenApi for testing HostState."""
|
|
|
|
class FakeSR(object):
|
|
def get_record(self, ref):
|
|
return {'virtual_allocation': 10000,
|
|
'physical_utilisation': 20000}
|
|
|
|
SR = FakeSR()
|
|
|
|
|
|
class FakeSession(object):
|
|
"""Fake Session class for HostState testing."""
|
|
|
|
def async_call_plugin(self, *args):
|
|
return None
|
|
|
|
def wait_for_task(self, *args):
|
|
vm = {'total': 10,
|
|
'overhead': 20,
|
|
'free': 30,
|
|
'free-computed': 40}
|
|
return json.dumps({'host_memory': vm})
|
|
|
|
def get_xenapi(self):
|
|
return FakeXenApi()
|
|
|
|
|
|
class HostStateTestCase(test.TestCase):
|
|
"""Tests HostState, which holds metrics from XenServer that get
|
|
reported back to the Schedulers."""
|
|
|
|
def _fake_safe_find_sr(self, session):
|
|
"""None SR ref since we're ignoring it in FakeSR."""
|
|
return None
|
|
|
|
def test_host_state(self):
|
|
self.stubs = stubout.StubOutForTesting()
|
|
self.stubs.Set(vm_utils, 'safe_find_sr', self._fake_safe_find_sr)
|
|
host_state = xenapi_conn.HostState(FakeSession())
|
|
stats = host_state._stats
|
|
self.assertEquals(stats['disk_total'], 10000)
|
|
self.assertEquals(stats['disk_used'], 20000)
|
|
self.assertEquals(stats['host_memory_total'], 10)
|
|
self.assertEquals(stats['host_memory_overhead'], 20)
|
|
self.assertEquals(stats['host_memory_free'], 30)
|
|
self.assertEquals(stats['host_memory_free_computed'], 40)
|