def test_check_exception_IncompatibleInterface(self, mock_get_interface):
self.config(enabled_management_interfaces=['redfish'])
self.config(default_management_interface=['redfish'])
mock_get_interface.side_effect = exception.IncompatibleInterface(
interface_type='management', hardware_type=self.driver)
self.assertRaises(exception.NoValidDefaultForInterface,
driver_factory.default_interface, self.driver,
'management')
def get_interface(driver_or_hw_type, interface_type, interface_name):
"""Get interface implementation instance.
For hardware types also validates compatibility.
:param driver_or_hw_type: a hardware type or classic driver instance.
:param interface_type: name of the interface type (e.g. 'boot').
:param interface_name: name of the interface implementation from an
appropriate entry point
(ironic.hardware.interfaces.<interface type>).
:returns: instance of the requested interface implementation.
:raises: InterfaceNotFoundInEntrypoint if the entry point was not found.
:raises: IncompatibleInterface if driver_or_hw_type is a hardware type and
the requested implementation is not compatible with it.
"""
factory = _INTERFACE_LOADERS[interface_type]()
try:
impl_instance = factory.get_driver(interface_name)
except KeyError:
raise exception.InterfaceNotFoundInEntrypoint(
iface=interface_name,
entrypoint=factory._entrypoint_name,
valid=factory.names)
if not isinstance(driver_or_hw_type, hardware_type.AbstractHardwareType):
# NOTE(dtantsur): classic drivers do not have notion of compatibility
return impl_instance
if isinstance(driver_or_hw_type, fake_hardware.FakeHardware):
# NOTE(dtantsur): special-case fake hardware type to allow testing with
# any combinations of interface implementations.
return impl_instance
supported_impls = getattr(driver_or_hw_type,
'supported_%s_interfaces' % interface_type)
if type(impl_instance) not in supported_impls:
raise exception.IncompatibleInterface(
interface_type=interface_type,
interface_impl=impl_instance,
hardware_type=driver_or_hw_type.__class__.__name__)
return impl_instance
