def setUp(self):
        super(ServersControllerCreateTest, self).setUp()

        self.flags(verbose=True,
                   enable_instance_password=True)
        self.instance_cache_num = 0
        self.instance_cache_by_id = {}
        self.instance_cache_by_uuid = {}

        ext_info = extension_info.LoadedExtensionInfo()
        self.controller = servers.ServersController(extension_info=ext_info)
        CONF.set_override('extensions_blacklist', 'os-user-data',
                          'osapi_v21')
        self.no_user_data_controller = servers.ServersController(
            extension_info=ext_info)

        def instance_create(context, inst):
            inst_type = flavors.get_flavor_by_flavor_id(3)
            image_uuid = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
            def_image_ref = 'http://localhost/images/%s' % image_uuid
            self.instance_cache_num += 1
            instance = fake_instance.fake_db_instance(**{
                'id': self.instance_cache_num,
                'display_name': inst['display_name'] or 'test',
                'uuid': FAKE_UUID,
                'instance_type': inst_type,
                'access_ip_v4': '1.2.3.4',
                'access_ip_v6': 'fead::1234',
                'image_ref': inst.get('image_ref', def_image_ref),
                'user_id': 'fake',
                'project_id': 'fake',
                'reservation_id': inst['reservation_id'],
                "created_at": datetime.datetime(2010, 10, 10, 12, 0, 0),
                "updated_at": datetime.datetime(2010, 11, 11, 11, 0, 0),
                user_data.ATTRIBUTE_NAME: None,
                "progress": 0,
                "fixed_ips": [],
                "task_state": "",
                "vm_state": "",
                "root_device_name": inst.get('root_device_name', 'vda'),
            })

            self.instance_cache_by_id[instance['id']] = instance
            self.instance_cache_by_uuid[instance['uuid']] = instance
            return instance

        def instance_get(context, instance_id):
            """Stub for compute/api create() pulling in instance after
            scheduling
            """
            return self.instance_cache_by_id[instance_id]

        def instance_update(context, uuid, values):
            instance = self.instance_cache_by_uuid[uuid]
            instance.update(values)
            return instance

        def server_update(context, instance_uuid, params):
            inst = self.instance_cache_by_uuid[instance_uuid]
            inst.update(params)
            return (inst, inst)

        def fake_method(*args, **kwargs):
            pass

        def project_get_networks(context, user_id):
            return dict(id='1', host='localhost')

        fakes.stub_out_rate_limiting(self.stubs)
        fakes.stub_out_key_pair_funcs(self.stubs)
        fake.stub_out_image_service(self)
        fakes.stub_out_nw_api(self)
        self.stubs.Set(uuid, 'uuid4', fake_gen_uuid)
        self.stub_out('nova.db.instance_add_security_group',
                      return_security_group)
        self.stub_out('nova.db.project_get_networks', project_get_networks)
        self.stub_out('nova.db.instance_create', instance_create)
        self.stub_out('nova.db.instance_system_metadata_update', fake_method)
        self.stub_out('nova.db.instance_get', instance_get)
        self.stub_out('nova.db.instance_update', instance_update)
        self.stub_out('nova.db.instance_update_and_get_original',
                      server_update)
        self.stubs.Set(manager.VlanManager, 'allocate_fixed_ip',
                       fake_method)
Shared implementation for tests below that create instance.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/tests/unit/api/openstack/compute/test_user_data.py/ServersControllerCreateTest.setUp