def get_software_version_data(software, version):
"""
Asynchronously fetches the known data about the given software version from
the master.
:param str software:
The name of the software to get data for
:param str version:
The name of the version to get data for
:return:
Returns information about the given software version from
the master
"""
url = "{master_api}/software/{software}/versions/{version}".\
format(master_api=config.get("master_api"),
software=software, version=version)
while True:
try:
response = yield get_direct(url)
except Exception as error:
delay = http_retry_delay()
logger.error(
"Failed to get data about software %s, version %s: %r. Will "
"retry in %s seconds.", software, version, error, delay)
deferred = Deferred()
reactor.callLater(delay, deferred.callback, None)
yield deferred
else:
if response.code == OK:
data = yield treq.json_content(response)
returnValue(data)
elif response.code >= INTERNAL_SERVER_ERROR:
delay = http_retry_delay()
logger.warning(
"Could not get data for software %s, version %s, server "
"responded with INTERNAL_SERVER_ERROR. Retrying in %s "
"seconds.", software, version, delay)
deferred = Deferred()
reactor.callLater(delay, deferred.callback, None)
yield deferred
elif response.code == NOT_FOUND:
logger.error("Got 404 NOT FOUND from server on getting data "
"for software %s, version %s", software, version)
raise VersionNotFound("This software version was not found or "
"has no discovery code.")
else:
logger.error(
"Failed to get data for software %s, version %s: "
"Unexpected status from server %s", software, version,
response.code)
raise Exception("Unknown return code from master: %s" %
response.code)
def get(self, url, **kwargs):
return get_direct(self.get_url(url), **kwargs)
def __call__(self, *args, **kwargs):
self.hits += 1
if self.hits < 2:
raise Exception("Fail!")
return get_direct(*args, **kwargs)