Error in Glance API Logs : 2018-11-05 10:42:16.145 5846 INFO eventlet.wsgi.server [req-35badfa3-ef75-426d-baa2-485e3be1efa4 db08886119204f4585405585a156d5c2 47441f261db046f9967ef099877369e4 - default default] 172.17.3.15 - - [05/Nov/2018 10:42:16] "GET /v2/images HTTP/1.1" 200 9646 0.069240 2018-11-05 10:42:17.901 5849 WARNING glance.common.scripts.image_import.main [-] Task 2d35894f-24a5-4ab6-8aba-3950008629e6 failed with exception 2018-11-05 10:42:17.904 5849 INFO glance.common.scripts.image_import.main [-] Task 2d35894f-24a5-4ab6-8aba-3950008629e6: Could not import image file https://xxxxxxxxxxxxxxx/log.qcow2 2018-11-05 10:42:18.092 5849 WARNING glance.async.taskflow_executor [-] Task 'import-ImportToStore-2d35894f-24a5-4ab6-8aba-3950008629e6' (371dca54-c94e-46d4-9437-df516c706ec8) transitioned into state 'FAILURE' from state 'RUNNING' 3 predecessors (most recent first): Atom 'import-CreateImage-2d35894f-24a5-4ab6-8aba-3950008629e6' {'intention': 'EXECUTE', 'state': 'SUCCESS', 'requires': {}, 'provides': '02503fd9-d29d-4d78-b31d-b6602a229ad1'} |__Atom 'import_retry' {'intention': 'EXECUTE', 'state': 'SUCCESS', 'requires': {}, 'provides': [(None, {})]} |__Flow 'import' 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor Traceback (most recent call last): 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/taskflow/engines/action_engine/executor.py", line 53, in _execute_task 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor result = task.execute(**arguments) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/glance/async/flows/base_import.py", line 311, in execute 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor image_import.set_image_data(image, file_path or self.uri, self.task_id) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/glance/common/scripts/image_import/main.py", line 158, in set_image_data 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor "task_id": task_id}) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor self.force_reraise() 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor six.reraise(self.type_, self.value, self.tb) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/glance/common/scripts/image_import/main.py", line 149, in set_image_data 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor data_iter = script_utils.get_image_data_iter(uri) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib/python2.7/site-packages/glance/common/scripts/utils.py", line 133, in get_image_data_iter 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor return urllib.request.urlopen(uri) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 154, in urlopen 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor return opener.open(url, data, timeout) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 431, in open 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor response = self._open(req, data) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 449, in _open 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor '_open', req) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor result = func(*args) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 1258, in https_open 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor context=self._context, check_hostname=self._check_hostname) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor File "/usr/lib64/python2.7/urllib2.py", line 1214, in do_open 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor raise URLError(err) 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor URLError: 2018-11-05 10:42:18.092 5849 ERROR glance.async.taskflow_executor 2018-11-05 10:42:18.101 5849 WARNING glance.async.taskflow_executor [-] Task 'import-ImportToStore-2d35894f-24a5-4ab6-8aba-3950008629e6' (371dca54-c94e-46d4-9437-df516c706ec8) transitioned into state 'REVERTED' from state 'REVERTING' 2018-11-05 10:42:18.106 5849 WARNING glance.async.taskflow_executor [-] Task 'import-CreateImage-2d35894f-24a5-4ab6-8aba-3950008629e6' (96e34f5a-413a-4249-8afb-5dd30a10487f) transitioned into state 'REVERTED' from state 'REVERTING' 2018-11-05 10:42:18.111 5849 WARNING glance.async.taskflow_executor [-] Flow 'import' (e1db1385-6888-45d7-959b-378dc468ac85) transitioned into state 'REVERTED' from state 'RUNNING' 2018-11-05 10:42:18.112 5849 ERROR glance.async.taskflow_executor [-] Failed to execute task 2d35894f-24a5-4ab6-8aba-3950008629e6: