kayobe/doc/source/development/releases.rst

Releases

The project creator's guide provides information on release management. As Kayobe is not an official project, it cannot use the official release tooling in the openstack/releases repository.

There are various useful files in the openstack-infra/project-config repository. In particular, see the release.sh and make_branch.sh scripts.

Preparing for a release

Update dependencies to upcoming release

Prior to the release, we update the dependencies and upper constraints on the master branch to use the upcoming release. This is now quite easy to do, following the introduction of the openstack_release variable. This is done prior to creating a release candidate. For example, see https://review.opendev.org/#/c/652091.

Synchronise kayobe-config

Ensure that configuration defaults in kayobe-config are in sync with those under etc/kayobe in kayobe. This can be done via:

cp -aR kayobe/etc/kayobe/* kayobe-config/etc/kayobe

Commit the changes and submit for review.

Synchronise kayobe-config-dev

Ensure that configuration defaults in kayobe-config-dev are in sync with those in kayobe-config. This requires a little more care, since some configuration options have been changed from the defaults. Choose a method to suit you and be careful not to lose any configuration.

Commit the changes and submit for review.

Add a prelude to release notes

It's possible to add a prelude to the release notes for a particular release using a prelude section in a reno note.

Creating a release candidate

Prior to cutting a stable branch, the master branch should be tagged as a release candidate. This allows the reno tool to determine where to stop searching for release notes for the next release. The tag should take the following form: <release tag>.0rc$n, where $n is the release candidate number.

The tools/release.sh script in the kayobe repository can be used to tag a release and push it to Gerrit. For example, to tag and release the kayobe deliverable release candidate 4.0.0.0rc1 in the Queens series from the base of the stable/queens branch:

./tools/release.sh kayobe 4.0.0.0rc1 origin/master queens

Creating a stable branch

Stable branches should be cut for each Kayobe deliverable (kayobe, kayobe-config, kayobe-config-dev).

To create a branch <new branch> at commit <ref>:

cd /path/to/repo
git checkout -b <new branch> <ref>
git review -s
git push gerrit <new branch>

After creating the branch, on the new branch:

• update the .gitreview file on the new branch, for example: https://review.openstack.org/609735

For the kayobe repo only, on the master branch:

• update the release notes for the new release series: https://review.openstack.org/609742

Creating a release

Prerequisites

Creating a signed tagged release requires a GPG key to be used. There are various resources for how to set this up, including https://help.ubuntu.com/community/GnuPrivacyGuardHowto. Your default Gerrit email should be added to the key, and the key should be trusted ultimately, see https://wiki.openstack.org/wiki/Oslo/ReleaseProcess#Setting_Up_GPG for information.

Tagging a release

Tags should be created for each deliverable (kayobe, kayobe-config, kayobe-config-dev). Currently the same version is used for each.

The tools/release.sh script in the kayobe repository can be used to tag a release and push it to Gerrit. For example, to tag and release the kayobe deliverable version 4.0.0 in the Queens series from the tip of the stable/queens branch:

./tools/release.sh kayobe 4.0.0 origin/stable/queens queens

Post-release activites

An email will be sent to the release-announce mailing list about the new release.

Continuing Development

After the stable branch has been cut, the master branch can be unfrozen and development on features for the next release can begin. At this point it will still be using dependencies and upper constraints from the release branch, so revert the patch created in releases-preparing-for-a-release. For example, see https://review.opendev.org/676941.