Ubuntu Rocky py3.7 is tripping over the async keyword issue. Since we have python-oslo.db 4.40.0 in Ubuntu Rocky I'm planning to cherry-pick the following patch to the nova rocky package:
commit 964832d37dd244f4f4ebc0dba46e4316241a2120 Author: Stephen Finucane <[email protected]> Date: Tue Aug 28 17:15:24 2018 +0100 Revert "Don't use '_TransactionContextManager._async'" ... ** Also affects: nova (Ubuntu) Importance: Undecided Status: New ** Also affects: nova (Ubuntu Cosmic) Importance: Undecided Status: New ** Changed in: nova (Ubuntu Cosmic) Status: New => Incomplete ** Changed in: nova (Ubuntu Cosmic) Status: Incomplete => Triaged ** Changed in: nova (Ubuntu Cosmic) Importance: Undecided => High ** Also affects: cloud-archive Importance: Undecided Status: New ** Also affects: cloud-archive/rocky Importance: Undecided Status: New ** Changed in: cloud-archive/rocky Status: New => Triaged ** Changed in: cloud-archive/rocky Importance: Undecided => High -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1788833 Title: Error during ComputeManager.update_available_resource: AttributeError: '_TransactionContextManager' object has no attribute 'async_ Status in Ubuntu Cloud Archive: Triaged Status in Ubuntu Cloud Archive rocky series: Triaged Status in OpenStack Compute (nova): Fix Released Status in OpenStack Compute (nova) rocky series: Fix Committed Status in nova package in Ubuntu: Triaged Status in nova source package in Cosmic: Triaged Bug description: Hi all, I have a rocky openstack cluster. I am using Mariadb galera cluster (3 galera nodes Active/Active) behind haproxy. When i resize or migrate an instance, I am hitting with the following errors. 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task [req-67381a5e-24e2-4dd2-bfc6-693bd1fabb8d 290bb90f6cbc46548951cbcaee0c0a34 9804c6f8ffe148bc9fa7ed409d41cb16 - default default] Error during ComputeManager._heal_instance_info_cache: AttributeError: '_TransactionContextManager' object has no attribute 'async_' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 126, in _object_dispatch return getattr(target, method)(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 184, in wrapper result = fn(cls, context, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 1351, in get_by_host use_slave=use_slave) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 218, in wrapper reader_mode = get_context_manager(context).async_ AttributeError: '_TransactionContextManager' object has no attribute 'async_' 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task Traceback (most recent call last): 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_service/periodic_task.py", line 220, in run_periodic_tasks 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task task(self, context) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 6632, in _heal_instance_info_cache 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task context, self.host, expected_attrs=[], use_slave=True) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 177, in wrapper 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task args, kwargs) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/nova/conductor/rpcapi.py", line 241, in object_class_action_versions 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task args=args, kwargs=kwargs) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line 179, in call 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task retry=self.retry) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 133, in _send 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task retry=retry) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 584, in send 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task call_monitor_timeout, retry=retry) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 575, in _send 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task raise result 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task AttributeError: '_TransactionContextManager' object has no attribute 'async_' 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task Traceback (most recent call last): 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 126, in _object_dispatch 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task return getattr(target, method)(*args, **kwargs) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 184, in wrapper 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task result = fn(cls, context, *args, **kwargs) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 1351, in get_by_host 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task use_slave=use_slave) 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 218, in wrapper 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task reader_mode = get_context_manager(context).async_ 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task AttributeError: '_TransactionContextManager' object has no attribute 'async_' 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:06:37.668 19857 ERROR oslo_service.periodic_task 2018-08-24 12:07:29.064 19857 INFO nova.compute.resource_tracker [req-67381a5e-24e2-4dd2-bfc6-693bd1fabb8d 290bb90f6cbc46548951cbcaee0c0a34 9804c6f8ffe148bc9fa7ed409d41cb16 - default default] Final resource view: name=kvm4 phys_ram=257618MB used_ram=512MB phys_disk=100816GB used_disk=0GB total_vcpus=40 used_vcpus=0 pci_stats=[] Full log file is at To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1788833/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
