def do_export(self, resource_id, resource_dict, parent_dir):
"""
If the nested stack template is valid, this method will
export on the nested template, upload the exported template to S3
and set property to URL of the uploaded S3 template
"""
template_path = resource_dict.get(self.PROPERTY_NAME, None)
if (template_path is None or is_s3_url(template_path)
or template_path.startswith(self.uploader.s3.meta.endpoint_url)
or template_path.startswith("https://s3.amazonaws.com/")):
# Nothing to do
return
abs_template_path = make_abs_path(parent_dir, template_path)
if not is_local_file(abs_template_path):
raise exceptions.InvalidTemplateUrlParameterError(
property_name=self.PROPERTY_NAME,
resource_id=resource_id,
template_path=abs_template_path)
exported_template_dict = Template(template_path, parent_dir,
self.uploaders,
self.code_signer).export()
exported_template_str = yaml_dump(exported_template_dict)
with mktempfile() as temporary_file:
temporary_file.write(exported_template_str)
temporary_file.flush()
url = self.uploader.upload_with_dedup(temporary_file.name,
"template")
# TemplateUrl property requires S3 URL to be in path-style format
parts = S3Uploader.parse_s3_url(url, version_property="Version")
s3_path_url = self.uploader.to_path_style_s3_url(
parts["Key"], parts.get("Version", None))
set_value_from_jmespath(resource_dict, self.PROPERTY_NAME,
s3_path_url)
def export(self, resource_id: str, resource_dict: Optional[Dict],
parent_dir: str):
if resource_dict is None:
return
if resource_not_packageable(resource_dict):
return
property_value = jmespath.search(self.PROPERTY_NAME, resource_dict)
if not property_value and not self.PACKAGE_NULL_PROPERTY:
return
if isinstance(property_value, dict):
LOG.debug("Property %s of %s resource is not a URL",
self.PROPERTY_NAME, resource_id)
return
# If property is a file but not a zip file, place file in temp
# folder and send the temp folder to be zipped
temp_dir = None
if is_local_file(property_value) and not is_zip_file(
property_value) and self.FORCE_ZIP:
temp_dir = copy_to_temp_dir(property_value)
set_value_from_jmespath(resource_dict, self.PROPERTY_NAME,
temp_dir)
try:
self.do_export(resource_id, resource_dict, parent_dir)
except Exception as ex:
LOG.debug("Unable to export", exc_info=ex)
raise exceptions.ExportFailedError(
resource_id=resource_id,
property_name=self.PROPERTY_NAME,
property_value=property_value,
ex=ex)
finally:
if temp_dir:
shutil.rmtree(temp_dir)
def include_transform_export_handler(template_dict, uploader, parent_dir):
if template_dict.get("Name", None) != "AWS::Include":
return template_dict
include_location = template_dict.get("Parameters",
{}).get("Location", None)
if not include_location or not is_path_value_valid(
include_location) or is_s3_url(include_location):
# `include_location` is either empty, or not a string, or an S3 URI
return template_dict
# We are confident at this point that `include_location` is a string containing the local path
abs_include_location = os.path.join(parent_dir, include_location)
if is_local_file(abs_include_location):
template_dict["Parameters"]["Location"] = uploader.upload_with_dedup(
abs_include_location)
else:
raise exceptions.InvalidLocalPathError(resource_id="AWS::Include",
property_name="Location",
local_path=abs_include_location)
return template_dict
