def upload(filepaths):
"""
For each path in file paths:
* Determine if a key in S3 exists for the given template. If not,
create it.
* If the key does exist, check to see if we need to update the key. If
not, do nothing.
"""
assert isinstance(filepaths, (list, tuple))
for path in filepaths:
key = get_key(path)
template_data = minify(path)
if key is None:
validate([path])
key = get_key(path, validate=False)
key.set_contents_from_string(template_data)
key.change_storage_class("REDUCED_REDUNDANCY")
url = get_url_for_key(key)
logger.info("Uploaded new template %s", url)
else:
md5 = hashlib.md5(template_data)
if md5.hexdigest() != key.etag.replace('"', ""):
validate([path])
url = get_url_for_key(key)
logger.info("Uploading %s", url)
key.set_contents_from_string(template_data)
key.change_storage_class("REDUCED_REDUNDANCY")
def validate(filepaths):
assert isinstance(filepaths, (list, tuple))
for path in filepaths:
logger.info("Validating %s", path)
template_body = minify(path)
cloud_formation.validate_template(template_body=template_body)
