340 lines
12 KiB
Python
340 lines
12 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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"""
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Test suite for XenAPI
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"""
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import stubout
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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 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.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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FLAGS = flags.FLAGS
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class XenAPIVolumeTestCase(test.TestCase):
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"""
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Unit tests for Volume operations
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"""
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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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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 = {'name': 1, 'id': 1,
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'project_id': 'fake',
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'user_id': 'fake',
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'image_id': 1,
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'kernel_id': 2,
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'ramdisk_id': 3,
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'instance_type': 'm1.large',
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'mac_address': 'aa:bb:cc:dd:ee:ff',
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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(context.get_admin_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.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.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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"""
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Unit tests for VM operations
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"""
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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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FLAGS.xenapi_connection_url = 'test_url'
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FLAGS.xenapi_connection_password = 'test_pass'
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xenapi_fake.reset()
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xenapi_fake.create_local_srs()
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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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glance_stubs.stubout_glance_client(self.stubs,
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glance_stubs.FakeGlance)
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self.conn = xenapi_conn.get_connection(False)
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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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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 check_vm_record(self, conn):
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instances = conn.list_instances()
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self.assertEquals(instances, [1])
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# Get Nova record for VM
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vm_info = conn.get_info(1)
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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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# Check that m1.large above turned into the right thing.
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instance_type = instance_types.INSTANCE_TYPES['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(vm_info['max_mem'], mem_kib)
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self.assertEquals(vm_info['mem'], mem_kib)
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self.assertEquals(vm['memory_static_max'], mem_bytes)
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self.assertEquals(vm['memory_dynamic_max'], mem_bytes)
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self.assertEquals(vm['memory_dynamic_min'], mem_bytes)
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self.assertEquals(vm['VCPUs_max'], str(vcpus))
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self.assertEquals(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(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(vm['power_state'], 'Running')
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def _test_spawn(self, image_id, kernel_id, ramdisk_id,
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instance_type="m1.large"):
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stubs.stubout_session(self.stubs, stubs.FakeSessionForVMTests)
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values = {'name': 1,
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'id': 1,
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'project_id': self.project.id,
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'user_id': self.user.id,
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'image_id': image_id,
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'kernel_id': kernel_id,
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'ramdisk_id': ramdisk_id,
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'instance_type': instance_type,
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'mac_address': 'aa:bb:cc:dd:ee:ff',
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}
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conn = xenapi_conn.get_connection(False)
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instance = db.instance_create(values)
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conn.spawn(instance)
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self.check_vm_record(conn)
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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, "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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def test_spawn_raw_glance(self):
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FLAGS.xenapi_image_service = 'glance'
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self._test_spawn(1, None, None)
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def test_spawn_glance(self):
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FLAGS.xenapi_image_service = 'glance'
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self._test_spawn(1, 2, 3)
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def tearDown(self):
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super(XenAPIVMTestCase, self).tearDown()
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self.manager.delete_project(self.project)
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self.manager.delete_user(self.user)
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self.stubs.UnsetAll()
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def _create_instance(self):
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"""Creates and spawns a test instance"""
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values = {
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'name': 1,
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'id': 1,
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'project_id': self.project.id,
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'user_id': self.user.id,
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'image_id': 1,
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'kernel_id': 2,
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'ramdisk_id': 3,
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'instance_type': 'm1.large',
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'mac_address': 'aa:bb:cc:dd:ee:ff'}
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instance = db.instance_create(values)
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self.conn.spawn(instance)
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return instance
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class XenAPIDiffieHellmanTestCase(test.TestCase):
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"""
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Unit tests for Diffie-Hellman code
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"""
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def setUp(self):
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super(XenAPIDiffieHellmanTestCase, self).setUp()
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self.alice = SimpleDH()
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self.bob = SimpleDH()
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def test_shared(self):
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alice_pub = self.alice.get_public()
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bob_pub = self.bob.get_public()
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alice_shared = self.alice.compute_shared(bob_pub)
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bob_shared = self.bob.compute_shared(alice_pub)
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self.assertEquals(alice_shared, bob_shared)
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def test_encryption(self):
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msg = "This is a top-secret message"
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enc = self.alice.encrypt(msg)
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dec = self.bob.decrypt(enc)
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self.assertEquals(dec, msg)
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def tearDown(self):
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super(XenAPIDiffieHellmanTestCase, self).tearDown()
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