811 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			811 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # vim: tabstop=4 shiftwidth=4 softtabstop=4
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| 
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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."""
 | |
| 
 | |
| 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.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 vm_utils
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| from nova.virt.xenapi.vmops import SimpleDH
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| from nova.virt.xenapi.vmops import VMOps
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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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| 
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| LOG = logging.getLogger('nova.tests.test_xenapi')
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| 
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| FLAGS = flags.FLAGS
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| 
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| 
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| def stub_vm_utils_with_vdi_attached_here(function, should_return=True):
 | |
|     """
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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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| 
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| 
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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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|                   'mac_address': 'aa:bb:cc:dd:ee:ff',
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|                   'os_type': 'linux'}
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         check()
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| 
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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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| 
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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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| 
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| 
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| def reset_network(*args):
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|     pass
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| 
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| 
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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, '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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| 
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|     def test_parallel_builds(self):
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|         stubs.stubout_loopingcall_delay(self.stubs)
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| 
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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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|                 'mac_address': 'aa:bb:cc:dd:ee:ff',
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|                 'os_type': 'linux'}
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|             instance = db.instance_create(self.context, values)
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|             self.conn.spawn(instance, {})
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| 
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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(self):
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|         stubs.stubout_instance_snapshot(self.stubs)
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|         instance = self._create_instance()
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| 
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|         name = "MySnapshot"
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|         template_vm_ref = self.conn.snapshot(instance, name)
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| 
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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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| 
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|             self.assertEquals(vm_labels, ['1'])
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| 
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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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| 
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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
 | |
|                in xenapi_fake.get_all_records('VM').iteritems()
 | |
|                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)
 | |
|         self.assertEquals(self.vm_info['mem'], mem_kib)
 | |
|         self.assertEquals(self.vm['memory_static_max'], mem_bytes)
 | |
|         self.assertEquals(self.vm['memory_dynamic_max'], mem_bytes)
 | |
|         self.assertEquals(self.vm['memory_dynamic_min'], mem_bytes)
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|         self.assertEquals(self.vm['VCPUs_max'], str(vcpus))
 | |
|         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/aabbccddeeff'
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|             xenstore_value = xenstore_data[key]
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|             tcpip_data = ast.literal_eval(xenstore_value)
 | |
|             self.assertEquals(tcpip_data,
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|                               {'label': 'fake_flat_network',
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|                                'broadcast': '10.0.0.255',
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|                                'ips': [{'ip': '10.0.0.3',
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|                                         'netmask':'255.255.255.0',
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|                                         'enabled':'1'}],
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|                                 'ip6s': [{'ip': 'fe80::a8bb:ccff:fedd:eeff',
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|                                           'netmask': '120',
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|                                           'enabled': '1'}],
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|                                 'mac': 'aa:bb:cc:dd:ee:ff',
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|                                 'dns': ['10.0.0.2'],
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|                                 'gateway': '10.0.0.1',
 | |
|                                 'gateway6': 'fe80::a00:1'})
 | |
| 
 | |
|     def check_vm_params_for_windows(self):
 | |
|         self.assertEquals(self.vm['platform']['nx'], 'true')
 | |
|         self.assertEquals(self.vm['HVM_boot_params'], {'order': 'dc'})
 | |
|         self.assertEquals(self.vm['HVM_boot_policy'], 'BIOS order')
 | |
| 
 | |
|         # check that these are not set
 | |
|         self.assertEquals(self.vm['PV_args'], '')
 | |
|         self.assertEquals(self.vm['PV_bootloader'], '')
 | |
|         self.assertEquals(self.vm['PV_kernel'], '')
 | |
|         self.assertEquals(self.vm['PV_ramdisk'], '')
 | |
| 
 | |
|     def check_vm_params_for_linux(self):
 | |
|         self.assertEquals(self.vm['platform']['nx'], 'false')
 | |
|         self.assertEquals(self.vm['PV_args'], '')
 | |
|         self.assertEquals(self.vm['PV_bootloader'], 'pygrub')
 | |
| 
 | |
|         # check that these are not set
 | |
|         self.assertEquals(self.vm['PV_kernel'], '')
 | |
|         self.assertEquals(self.vm['PV_ramdisk'], '')
 | |
|         self.assertEquals(self.vm['HVM_boot_params'], {})
 | |
|         self.assertEquals(self.vm['HVM_boot_policy'], '')
 | |
| 
 | |
|     def check_vm_params_for_linux_with_external_kernel(self):
 | |
|         self.assertEquals(self.vm['platform']['nx'], 'false')
 | |
|         self.assertEquals(self.vm['PV_args'], 'root=/dev/xvda1')
 | |
|         self.assertNotEquals(self.vm['PV_kernel'], '')
 | |
|         self.assertNotEquals(self.vm['PV_ramdisk'], '')
 | |
| 
 | |
|         # check that these are not set
 | |
|         self.assertEquals(self.vm['HVM_boot_params'], {})
 | |
|         self.assertEquals(self.vm['HVM_boot_policy'], '')
 | |
| 
 | |
|     def _test_spawn(self, image_ref, kernel_id, ramdisk_id,
 | |
|                     instance_type_id="3", os_type="linux",
 | |
|                     instance_id=1, check_injection=False, create_record=True):
 | |
|         stubs.stubout_loopingcall_start(self.stubs)
 | |
|         values = {'id': instance_id,
 | |
|                   'project_id': self.project.id,
 | |
|                   'user_id': self.user.id,
 | |
|                   'image_ref': image_ref,
 | |
|                   'kernel_id': kernel_id,
 | |
|                   'ramdisk_id': ramdisk_id,
 | |
|                   'instance_type_id': instance_type_id,
 | |
|                   'mac_address': 'aa:bb:cc:dd:ee:ff',
 | |
|                   'os_type': os_type}
 | |
|         if create_record:
 | |
|             instance = db.instance_create(self.context, values)
 | |
|             self.conn.spawn(instance, None)
 | |
|         else:
 | |
|             instance = db.instance_get(self.context, instance_id)
 | |
|         self.create_vm_record(self.conn, os_type, instance_id)
 | |
|         self.check_vm_record(self.conn, check_injection)
 | |
| 
 | |
|     def test_spawn_not_enough_memory(self):
 | |
|         FLAGS.xenapi_image_service = 'glance'
 | |
|         self.assertRaises(Exception,
 | |
|                           self._test_spawn,
 | |
|                           1, 2, 3, "4")  # m1.xlarge
 | |
| 
 | |
|     def test_spawn_raw_objectstore(self):
 | |
|         FLAGS.xenapi_image_service = 'objectstore'
 | |
|         self._test_spawn(1, None, None)
 | |
| 
 | |
|     def test_spawn_objectstore(self):
 | |
|         FLAGS.xenapi_image_service = 'objectstore'
 | |
|         self._test_spawn(1, 2, 3)
 | |
| 
 | |
|     @stub_vm_utils_with_vdi_attached_here
 | |
|     def test_spawn_raw_glance(self):
 | |
|         FLAGS.xenapi_image_service = 'glance'
 | |
|         self._test_spawn(glance_stubs.FakeGlance.IMAGE_RAW, None, None)
 | |
|         self.check_vm_params_for_linux()
 | |
| 
 | |
|     def test_spawn_vhd_glance_linux(self):
 | |
|         FLAGS.xenapi_image_service = 'glance'
 | |
|         self._test_spawn(glance_stubs.FakeGlance.IMAGE_VHD, None, None,
 | |
|                          os_type="linux")
 | |
|         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")
 | |
|         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 10.0.0.3',
 | |
|                 'netmask 255.255.255.0',
 | |
|                 'broadcast 10.0.0.255',
 | |
|                 'gateway 10.0.0.1',
 | |
|                 'dns-nameservers 10.0.0.2',
 | |
|                 ''])
 | |
|             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(4 * 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
 | |
|             'mac_address': 'aa:bb:cc:dd:ee:ff',
 | |
|             'os_type': 'linux'}
 | |
|         instance = db.instance_create(self.context, values)
 | |
|         self.conn.spawn(instance, None)
 | |
|         return instance
 | |
| 
 | |
| 
 | |
| class XenAPIDiffieHellmanTestCase(test.TestCase):
 | |
|     """Unit tests for Diffie-Hellman code."""
 | |
|     def setUp(self):
 | |
|         super(XenAPIDiffieHellmanTestCase, self).setUp()
 | |
|         self.alice = SimpleDH()
 | |
|         self.bob = 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
 | |
|                   'mac_address': 'aa:bb:cc:dd:ee:ff',
 | |
|                   'os_type': 'linux'}
 | |
| 
 | |
|         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'
 | |
| 
 | |
|     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 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)
 | 
