def get_backend_instance(name):
backend_kwargs = cfg.CONF.auth.backend_kwargs
if backend_kwargs:
try:
kwargs = json.loads(backend_kwargs)
except ValueError as e:
raise ValueError('Failed to JSON parse backend settings for backend "%s": %s' %
(name, six.text_type(e)))
else:
kwargs = {}
cls = driver_loader.get_backend_driver(namespace=BACKENDS_NAMESPACE, name=name)
try:
cls_instance = cls(**kwargs)
except Exception as e:
tb_msg = traceback.format_exc()
class_name = cls.__name__
msg = ('Failed to instantiate auth backend "%s" (class %s) with backend settings '
'"%s": %s' % (name, class_name, str(kwargs), six.text_type(e)))
msg += '\n\n' + tb_msg
exc_cls = type(e)
raise exc_cls(msg)
return cls_instance
def get_backend_instance(name):
backend_kwargs = cfg.CONF.auth.backend_kwargs
if backend_kwargs:
try:
kwargs = json.loads(backend_kwargs)
except ValueError as e:
raise ValueError(
'Failed to JSON parse backend settings for backend "%s": %s' %
(name, six.text_type(e)))
else:
kwargs = {}
cls = driver_loader.get_backend_driver(namespace=BACKENDS_NAMESPACE,
name=name)
try:
cls_instance = cls(**kwargs)
except Exception as e:
tb_msg = traceback.format_exc()
class_name = cls.__name__
msg = (
'Failed to instantiate auth backend "%s" (class %s) with backend settings '
'"%s": %s' % (name, class_name, str(kwargs), six.text_type(e)))
msg += '\n\n' + tb_msg
exc_cls = type(e)
raise exc_cls(msg)
return cls_instance
def get_backend_driver(name):
return driver_loader.get_backend_driver(namespace=BACKENDS_NAMESPACE, name=name)
def get_backend_driver(name):
return driver_loader.get_backend_driver(namespace=BACKENDS_NAMESPACE, name=name)