This bug was fixed in the package nova - 2:18.0.0-0ubuntu5~cloud0
---------------
nova (2:18.0.0-0ubuntu5~cloud0) bionic-rocky; urgency=medium
.
* New update for the Ubuntu Cloud Archive.
.
nova (2:18.0.0-0ubuntu5) cosmic; urgency=medium
.
* d/control: Set min python-oslo.db to rocky version (4.40.0) as
requirements.txt min version is too low (LP: #1793353).
** Changed in: cloud-archive
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1793353
Title:
broken upgrade path q->r requirement for oslo.db
Status in Ubuntu Cloud Archive:
Fix Released
Status in Ubuntu Cloud Archive rocky series:
Fix Released
Status in OpenStack Compute (nova):
Fix Released
Status in nova package in Ubuntu:
Fix Released
Status in nova source package in Cosmic:
Fix Released
Bug description:
Nova is using async_ introduced in oslo.db 4.40.0 but requirements.txt says
oslo.db>=4.27.0
https://github.com/openstack/oslo.db/commit/df6bf3401266f42271627c1e408f87c71a06cef7
So if you still have an old oslo.db version from queens that satisfies
that requirement services will fail with below:
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service Traceback (most
recent call last):
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_service/service.py", line 729, in
run_service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service service.start()
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/service.py", line 180, in start
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
self.manager.pre_start_hook()
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1249, in
pre_start_hook
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service startup=True)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 7757, in
update_available_resource
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service startup=startup)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 7788, in
_get_compute_nodes_in_db
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
use_slave=use_slave)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 177, in
wrapper
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service args, kwargs)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/conductor/rpcapi.py", line 241, in
object_class_action_versions
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service args=args,
kwargs=kwargs)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 179, in
call
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
retry=self.retry)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 133, in
_send
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service retry=retry)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
584, in send
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
call_monitor_timeout, retry=retry)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
575, in _send
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service raise result
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service AttributeError:
'_TransactionContextManager' object has no attribute 'async_'
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service Traceback (most
recent call last):
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 126, in
_object_dispatch
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service return
getattr(target, method)(*args, **kwargs)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 184, in
wrapper
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service result =
fn(cls, context, *args, **kwargs)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/objects/compute_node.py", line 437, in
get_all_by_host
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
use_slave=use_slave)
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 205, in
wrapper
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service reader_mode =
get_context_manager(context).async_
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service
2018-09-19 16:56:35.965 136178 ERROR oslo_service.service AttributeError:
'_TransactionContextManager' object has no attribute 'async_'
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