Hi team,
We have recently finished the upgrade from 'docker-py' to 'docker'. If your
devstack environment run into errors due to the incompatibility between the old
and new docker python package (such as [1]), you could try the commands below:
$ sudo pip uninstall docker-py docker-pycreds
$ sudo pip install -c /opt/stack/requirements/upper-constraints.txt \
-e /opt/stack/zun
$ sudo systemctl restart devstack@kuryr*
$ sudo systemctl restart devstack@zun*
For context, 'docker-py' is the old python-binding library for consuming docker
REST API. It has been renamed to 'docker' and the old package will be dropped
eventually. At the last a few days, there are several reports of errors due to
double installation of both 'docker-py' and 'docker' packages in the
development environment, so we need to migrate from 'docker-py' to 'docker' to
resolve the issue.
Right now, all Zun's components and dependencies has finished the upgrade
[2][3][4], and there is another proposed patch to drop 'docker-py' from global
requirements [5]. The package conflict issue will be entirely resolved when the
upgrade is finished globally.
[1] https://bugs.launchpad.net/zun/+bug/1693425
[2] https://review.openstack.org/#/c/475526/
[3] https://review.openstack.org/#/c/475863/
[4] https://review.openstack.org/#/c/475893/
[5] https://review.openstack.org/#/c/475962/
Best regards,
Hongbin
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