def resolve_parameter_values(self, parameters_dict, stack_name):
parameters = {}
for key, value in parameters_dict.items():
if isinstance(value, list):
self.logger.debug("List parameter found for {0}".format(key))
value_string = self.convert_list_to_string(value)
parameters[key] = value_string
elif isinstance(value, str):
if DependencyResolver.is_parameter_reference(value):
referenced_stack, output_name = DependencyResolver.parse_stack_reference_value(value)
parameters[key] = str(self.get_output_value(referenced_stack + '.' + output_name))
elif self.is_keep_value(value):
parameters[key] = str(self.get_actual_value(key, value, stack_name))
elif self.is_taupage_ami_reference(value):
parameters[key] = str(self.ec2.get_latest_taupage_image_id())
else:
parameters[key] = value
elif isinstance(value, bool):
parameters[key] = str(value).lower()
elif isinstance(value, int):
parameters[key] = str(value)
elif isinstance(value, float):
parameters[key] = str(value)
else:
raise NotImplementedError("Cannot handle {0} value for key: {1}".format(type(value), key))
return parameters
def test_parse_stack_reference_value_returns_stack_and_output_name_tuple(self):
self.assertEqual(('stack', 'output'), DependencyResolver.parse_stack_reference_value('|ref|stack.output'))
def test_parse_stack_reference_raises_exception_on_empty_reference(self):
with self.assertRaises(CfnSphereException):
DependencyResolver.parse_stack_reference_value('|ref|')
def test_parse_stack_reference_value_returns_none_for_non_reference(self):
self.assertIsNone(DependencyResolver.parse_stack_reference_value('foo'))
def test_parse_stack_reference_raises_exception_on_missing_dot(self):
with self.assertRaises(CfnSphereException):
DependencyResolver.parse_stack_reference_value('|ref|foo')