text: # Copyright 2013 IBM Corp.
  # Copyright 2011 OpenStack Foundation
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  import fixtures
  import mock
  from mox3 import mox
  
  from nova import context
  from nova.image import glance
  from nova import objects
  from nova import test
  from nova.tests.unit import fake_instance
  import nova.tests.unit.image.fake
  from nova.tests.unit import utils
  from nova.tests.unit.virt.vmwareapi import fake as vmwareapi_fake
  from nova.tests.unit.virt.vmwareapi import stubs
  from nova.virt import fake
  from nova.virt.vmwareapi import driver
  from nova.virt.vmwareapi import images
  from nova.virt.vmwareapi import vm_util
  from nova.virt.vmwareapi import vmops
  
  
  class ConfigDriveTestCase(test.NoDBTestCase):
  
      REQUIRES_LOCKING = True
  
      @mock.patch.object(driver.VMwareVCDriver, '_register_openstack_extension')
      def setUp(self, mock_register):
          super(ConfigDriveTestCase, self).setUp()
          vm_util.vm_refs_cache_reset()
          self.context = context.RequestContext('fake', 'fake', is_admin=False)
          cluster_name = 'test_cluster'
          self.flags(cluster_name=[cluster_name],
                     host_ip='test_url',
                     host_username='test_username',
                     host_password='test_pass',
                     use_linked_clone=False, group='vmware')
          self.flags(vnc_enabled=False)
          vmwareapi_fake.reset()
          stubs.set_stubs(self.stubs)
          nova.tests.unit.image.fake.stub_out_image_service(self.stubs)
          self.conn = driver.VMwareVCDriver(fake.FakeVirtAPI)
          self.network_info = utils.get_test_network_info()
          self.node_name = '%s(%s)' % (self.conn.dict_mors.keys()[0],
                                       cluster_name)
          image_ref = nova.tests.unit.image.fake.get_valid_image_id()
          instance_values = {
              'vm_state': 'building',
              'project_id': 'fake',
              'user_id': 'fake',
              'name': '1',
              'kernel_id': '1',
              'ramdisk_id': '1',
              'mac_addresses': [{'address': 'de:ad:be:ef:be:ef'}],
              'memory_mb': 8192,
              'flavor': 'm1.large',
              'instance_type_id': 0,
              'vcpus': 4,
              'root_gb': 80,
              'image_ref': image_ref,
              'host': 'fake_host',
              'task_state': 'scheduling',
              'reservation_id': 'r-3t8muvr0',
              'id': 1,
              'uuid': 'fake-uuid',
              'node': self.node_name,
              'metadata': [],
              'expected_attrs': ['system_metadata'],
          }
          self.test_instance = fake_instance.fake_instance_obj(self.context,
                                                               **instance_values)
          self.test_instance.flavor = objects.Flavor(extra_specs={})
  
          (image_service, image_id) = glance.get_remote_image_service(context,
                                      image_ref)
          metadata = image_service.show(context, image_id)
          self.image = {
              'id': image_ref,
              'disk_format': 'vmdk',
              'size': int(metadata['size']),
          }
  
          class FakeInstanceMetadata(object):
              def __init__(self, instance, content=None, extra_md=None):
                  pass
  
              def metadata_for_config_drive(self):
                  return []
  
          self.useFixture(fixtures.MonkeyPatch(
                  'nova.api.metadata.base.InstanceMetadata',
                  FakeInstanceMetadata))
  
          def fake_make_drive(_self, _path):
              pass
          # We can't actually make a config drive v2 because ensure_tree has
          # been faked out
          self.stubs.Set(nova.virt.configdrive.ConfigDriveBuilder,
                         'make_drive', fake_make_drive)
  
          def fake_upload_iso_to_datastore(iso_path, instance, **kwargs):
              pass
          self.stubs.Set(images,
                         'upload_iso_to_datastore',
                         fake_upload_iso_to_datastore)
  
      def tearDown(self):
          super(ConfigDriveTestCase, self).tearDown()
          vmwareapi_fake.cleanup()
          nova.tests.unit.image.fake.FakeImageService_reset()
  
      @mock.patch.object(vmops.VMwareVMOps, '_get_instance_metadata',
                         return_value='fake_metadata')
      def _spawn_vm(self, fake_get_instance_meta,
                    injected_files=None, admin_password=None,
                    block_device_info=None):
  
          injected_files = injected_files or []
          self.conn.spawn(self.context, self.test_instance, self.image,
                          injected_files=injected_files,
                          admin_password=admin_password,
                          network_info=self.network_info,
                          block_device_info=block_device_info)
  
      def test_create_vm_with_config_drive_verify_method_invocation(self):
          self.test_instance.config_drive = 'True'
          self.mox.StubOutWithMock(vmops.VMwareVMOps, '_create_config_drive')
          self.mox.StubOutWithMock(vmops.VMwareVMOps, '_attach_cdrom_to_vm')
          self.conn._vmops._create_config_drive(self.test_instance,
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg()
                                                 ).AndReturn('[ds1] fake.iso')
          self.conn._vmops._attach_cdrom_to_vm(mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg(),
                                                 mox.IgnoreArg())
          self.mox.ReplayAll()
          # if spawn does not call the _create_config_drive or
          # _attach_cdrom_to_vm call with the correct set of parameters
          # then mox's VerifyAll will throw a Expected methods never called
          # Exception
          self._spawn_vm()
  
      def test_create_vm_without_config_drive(self):
          self.test_instance.config_drive = None
          self.mox.StubOutWithMock(vmops.VMwareVMOps, '_create_config_drive')
          self.mox.StubOutWithMock(vmops.VMwareVMOps, '_attach_cdrom_to_vm')
          self.mox.ReplayAll()
          # if spawn ends up calling _create_config_drive or
          # _attach_cdrom_to_vm then mox will log a Unexpected method call
          # exception
          self._spawn_vm()
  
      def test_create_vm_with_config_drive(self):
          self.test_instance.config_drive = 'True'
          self._spawn_vm()
  