Open Stack

Hello

I'm trying to install a new OpenStack Pike environment using Devstack.  The local.conf is identical to a system built in early October (same base OS - CentOS7, same interfaces, different IP addresses, but that is all).

The system in October installed perfectly.

This system refuses to install falling over at the very first "nova-manage"

2017-12-06 21:36:36.337 | + lib/nova:init_nova:694                   :   /usr/bin/nova-manage --config-file /etc/nova/nova.conf api_db sync
2017-12-06 21:36:38.426 | Traceback (most recent call last):
2017-12-06 21:36:38.426 |   File "/usr/bin/nova-manage", line 6, in <module>
2017-12-06 21:36:38.427 |     from nova.cmd.manage import main
2017-12-06 21:36:38.427 |   File "/opt/stack/nova/nova/cmd/manage.py", line 82, in <module>
2017-12-06 21:36:38.427 |     from nova import config
2017-12-06 21:36:38.427 |   File "/opt/stack/nova/nova/config.py", line 23, in <module>
2017-12-06 21:36:38.427 |     from nova.db.sqlalchemy import api as sqlalchemy_api
2017-12-06 21:36:38.427 |   File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 925, in <module>
2017-12-06 21:36:38.427 |     retry_on_request=True)
2017-12-06 21:36:38.427 | TypeError: __init__() got an unexpected keyword argument 'retry_on_request'

The only difference I can see between the two systems is that the Python libraries are different versions (oslo.db is 4.25.0 on the old system, 4.31.0 on the new one).

I have no idea where to start looking.

Thanks

David


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