[Bug 1831735] Re: Google backup driver fails to backup a volume
Daniele Caiti
1831735 at bugs.launchpad.net
Mon Apr 27 17:52:00 UTC 2020
** Also affects: cinder (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1831735
Title:
Google backup driver fails to backup a volume
Status in Cinder:
Fix Released
Status in cinder package in Ubuntu:
New
Bug description:
Description of problem: Cinder volume backup using Google as backup
backend fails. We suspect this regression was introduced by move to
Python3.
Version-Release number of selected component (if applicable):
rhel8
puppet-cinder-14.4.1-0.20190420083336.1cf0604.el8ost.noarch
openstack-cinder-14.0.1-0.20190524082243.520e6e0.el8ost.noarch
python3-cinderclient-4.2.0-0.20190520060354.953243d.el8ost.noarch
python3-cinder-14.0.1-0.20190524082243.520e6e0.el8ost.noarch
python3-google-api-client-1.6.5-3.el8.noarch
How reproducible:
Every time
Steps to Reproduce:
1. Configure Google backup.
Cinder backup service is enabled and up
$ cinder service-list
+------------------+-------------------------+------+---------+-------+----------------------------+-----------------+
| Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
+------------------+-------------------------+------+---------+-------+----------------------------+-----------------+
| cinder-backup | controller-0 | nova | enabled | up | 2019-06-05T11:17:47.000000 | - |
2. Create a volume
vol id -> 0336a629-25c4-4e05-be06-de51a75afc9d
3. If you try to backup the volume, backup fails
cinder backup logs reports the trace show below
$ cinder backup-list
+--------------------------------------+--------------------------------------+--------+------+------+--------------+----------------+
| ID | Volume ID | Status | Name | Size | Object Count | Container |
+--------------------------------------+--------------------------------------+--------+------+------+--------------+----------------+
| d256989b-a88f-4dcf-95d2-1c7afa12be76 | 0336a629-25c4-4e05-be06-de51a75afc9d | error | - | 1 | 0 | mycinderbucket |
+--------------------------------------+--------------------------------------+--------+------+------+--------------+----------------+
e trace_logging_wrapper /usr/lib/python3.6/site-packages/os_brick/utils.py:170
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server [req-4f591f5c-031a-417e-974c-37cdb2ced102 c45b531877804ab097b8f587497031db ac390c9999244f56aa05cb13e181f0bc - default default] Exception during message handling: cinder.exception.GCSConnectionFailure: Google Cloud Storage connection failure: 'bytes' object has no attribute 'encode'
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/drivers/gcs.py", line 121, in func_wrapper
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server return func(self, *args, **kwargs)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/drivers/gcs.py", line 312, in close
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server md5 = md5.encode('utf-8')
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server AttributeError: 'bytes' object has no attribute 'encode'
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server During handling of the above exception, another exception occurred:
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/oslo_messaging/rpc/server.py", line 166, in _process_incoming
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server res = self.dispatcher.dispatch(message)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/oslo_messaging/rpc/dispatcher.py", line 265, in dispatch
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server return self._do_dispatch(endpoint, method, ctxt, args)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/oslo_messaging/rpc/dispatcher.py", line 194, in _do_dispatch
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server result = func(ctxt, **new_args)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/manager.py", line 406, in create_backup
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server self._update_backup_error(backup, six.text_type(err))
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server self.force_reraise()
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server six.reraise(self.type_, self.value, self.tb)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/six.py", line 693, in reraise
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server raise value
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/manager.py", line 395, in create_backup
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server updates = self._run_backup(context, backup, volume)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/manager.py", line 479, in _run_backup
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server backup, tpool.Proxy(device_file))
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/chunkeddriver.py", line 625, in backup
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server object_meta, extra_metadata)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/chunkeddriver.py", line 374, in _backup_chunk
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server writer.write(output_data)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/eventlet/tpool.py", line 221, in __exit__
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server return proxy_call(self._autowrap, self._obj.__exit__, *exc)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/eventlet/tpool.py", line 148, in proxy_call
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server rv = execute(f, *args, **kwargs)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/eventlet/tpool.py", line 129, in execute
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server six.reraise(c, e, tb)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/six.py", line 693, in reraise
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server raise value
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/eventlet/tpool.py", line 83, in tworker
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server rv = meth(*args, **kwargs)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/drivers/gcs.py", line 293, in __exit__
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server self.close()
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/backup/drivers/gcs.py", line 127, in func_wrapper
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server raise exception.GCSConnectionFailure(reason=err)
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server cinder.exception.GCSConnectionFailure: Google Cloud Storage connection failure: 'bytes' object has no attribute 'encode'
2019-06-05 09:25:26.581 21 ERROR oslo_messaging.rpc.server
2019-06-05 09:25:57.656 21 DEBUG oslo_service.periodic_task [req-dbe4b355-7960-4100-a621-4fba6a5c05ac - - - - -] Running periodic task BackupManager._report_driver_status run_periodic_tasks /usr/lib/python3.6/site-packages/oslo_service/periodic_task.py:217
Actual results:
Cinder backup fails
Expected results:
Cinder backup should successfully complete the backup.
Least this worked on previous openstack release.
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