Storage: 'test_bucket_w_retention_period' systest flakes with 503. #9247
Description
From this Kokoro failure:
______________ TestRetentionPolicy.test_bucket_w_retention_period ______________
self = <tests.system.TestRetentionPolicy testMethod=test_bucket_w_retention_period>
def test_bucket_w_retention_period(self):
import datetime
from google.api_core import exceptions
period_secs = 10
new_bucket_name = "w-retention-period" + unique_resource_id("-")
> bucket = retry_429(Config.CLIENT.create_bucket)(new_bucket_name)
tests/system.py:1534:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
../test_utils/test_utils/retry.py:95: in wrapped_function
return to_wrap(*args, **kwargs)
google/cloud/storage/client.py:379: in create_bucket
bucket.create(client=self, project=project)
google/cloud/storage/bucket.py:649: in create
_target_object=self,
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <google.cloud.storage._http.Connection object at 0x7fbd6ea43690>
method = 'POST', path = '/b', query_params = {'project': 'precise-truck-742'}
data = '{"name": "w-retention-period-1568826493867"}'
content_type = 'application/json', headers = None, api_base_url = None
api_version = None, expect_json = True
_target_object = <Bucket: w-retention-period-1568826493867>
def api_request(
self,
method,
path,
query_params=None,
data=None,
content_type=None,
headers=None,
api_base_url=None,
api_version=None,
expect_json=True,
_target_object=None,
):
"""Make a request over the HTTP transport to the API.
...
"""
url = self.build_api_url(
path=path,
query_params=query_params,
api_base_url=api_base_url,
api_version=api_version,
)
# Making the executive decision that any dictionary
# data will be sent properly as JSON.
if data and isinstance(data, dict):
data = json.dumps(data)
content_type = "application/json"
response = self._make_request(
method=method,
url=url,
data=data,
content_type=content_type,
headers=headers,
target_object=_target_object,
)
if not 200 <= response.status_code < 300:
> raise exceptions.from_http_response(response)
E ServiceUnavailable: 503 POST https://www.googleapis.com/storage/v1/b?project=precise-truck-742: Backend Error
../core/google/cloud/_http.py:393: ServiceUnavailable