def resolve_parameter_values(self, stack_name, stack_config, cli_parameters=None):
resolved_parameters = {}
stack_outputs = self.cfn.get_stacks_outputs()
for key, value in stack_config.parameters.items():
if isinstance(value, list):
self.logger.debug("List parameter found for {0}".format(key))
for i, item in enumerate(value):
if DependencyResolver.is_parameter_reference(item):
referenced_stack, output_name = DependencyResolver.parse_stack_reference_value(item)
value[i] = str(self.get_output_value(stack_outputs, referenced_stack, output_name))
value_string = self.convert_list_to_string(value)
resolved_parameters[key] = value_string
elif isinstance(value, str):
if DependencyResolver.is_parameter_reference(value):
referenced_stack, output_name = DependencyResolver.parse_stack_reference_value(value)
resolved_parameters[key] = str(self.get_output_value(stack_outputs, referenced_stack, output_name))
elif self.is_keep_value(value):
resolved_parameters[key] = str(self.get_latest_value(key, value, stack_name))
elif self.is_taupage_ami_reference(value):
resolved_parameters[key] = str(self.ec2.get_latest_taupage_image_id())
elif self.is_kms(value):
resolved_parameters[key] = str(self.kms.decrypt(value.split('|', 2)[2]))
elif self.is_file(value):
url = value.split('|', 2)[2]
resolved_parameters[key] = FileLoader.get_file(url, stack_config.working_dir)
else:
resolved_parameters[key] = value
elif isinstance(value, bool):
resolved_parameters[key] = str(value).lower()
elif isinstance(value, (int, float)):
resolved_parameters[key] = str(value)
else:
raise NotImplementedError("Cannot handle {0} type for key: {1}".format(type(value), key))
if cli_parameters:
return self.update_parameters_with_cli_parameters(resolved_parameters, cli_parameters, stack_name)
else:
return resolved_parameters
def handle_file_value(value, working_dir):
components = value.split('|', 3)
if len(components) == 3:
url = components[2]
return FileLoader.get_file(url, working_dir)
elif len(components) == 4:
url = components[2]
pattern = components[3]
file_content = FileLoader.get_yaml_or_json_file(url, working_dir)
try:
return jmespath.search(pattern, file_content)
except JMESPathError as e:
raise CfnSphereException(e)
else:
raise CfnSphereException("Invalid format for |File| macro, it must be |File|<path>[|<pattern>]")
def handle_file_value(value, working_dir):
components = value.split('|', 3)
if len(components) == 3:
url = components[2]
return FileLoader.get_file(url, working_dir)
elif len(components) == 4:
url = components[2]
pattern = components[3]
file_content = FileLoader.get_yaml_or_json_file(url, working_dir)
try:
return jmespath.search(pattern, file_content)
except JMESPathError as e:
raise CfnSphereException(e)
else:
raise CfnSphereException(
"Invalid format for |File| macro, it must be |File|<path>[|<pattern>]"
)
def test_get_file_calls_correct_handler_for_fs_path(
self, fs_get_file_mock):
FileLoader.get_file("foo/foo.yml", "/home/user")
fs_get_file_mock.assert_called_with("foo/foo.yml", "/home/user")
def test_get_file_calls_correct_handler_for_S3_prefix(
self, s3_get_file_mock):
FileLoader.get_file("S3://foo/foo.yml", None)
s3_get_file_mock.assert_called_with("S3://foo/foo.yml")
def test_get_file_calls_correct_handler_for_fs_path(self, fs_get_file_mock):
FileLoader.get_file("foo/foo.yml", "/home/user")
fs_get_file_mock.assert_called_with("foo/foo.yml", "/home/user")
def test_get_file_calls_correct_handler_for_S3_prefix(self, s3_get_file_mock):
FileLoader.get_file("S3://foo/foo.yml", None)
s3_get_file_mock.assert_called_with("S3://foo/foo.yml")
